9254ec9246fcdb5e15a891edbebc948c48888d333ea1bd06159275a7fcf1731634857396fc4740e018962ea1b70df5cf6241ce97c29e1d9db4c503029f3dbf1788b19b0a634242db0aa1432da42afddc8e9b143b", @ANYBLOB="68237c42344b43c6700500280964d4171262e548b51ac948fd70704ea9c10246713f7d5c545cb9b5f4a073439990bff952d015261ab0022ddf15c2bf10d70b9d73449fda1371660a9f1bc7aca33796d4ce9e7cba94e1fc84955a21eff2b4ab3cb1c7df1992bc9663437ca492ebf690d84d57c551bb3e1c316c1b0c3caaa851979e56a106310d57211059"]) (async) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)=0x9) 00:51:09 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, 0x0) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:09 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 4) 00:51:09 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) ioctl$KVM_GET_SUPPORTED_CPUID(0xffffffffffffffff, 0xc008ae05, &(0x7f0000000140)=""/4096) 00:51:09 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:09 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:09 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) ioctl$KVM_GET_SUPPORTED_CPUID(0xffffffffffffffff, 0xc008ae05, &(0x7f0000000140)=""/4096) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) ioctl$KVM_GET_SUPPORTED_CPUID(0xffffffffffffffff, 0xc008ae05, &(0x7f0000000140)=""/4096) (async) 00:51:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1203}, 0x0) [ 2741.647791][ T3652] FAULT_INJECTION: forcing a failure. [ 2741.647791][ T3652] name failslab, interval 1, probability 0, space 0, times 0 [ 2741.664576][ T3652] CPU: 0 PID: 3652 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2741.674679][ T3652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2741.684535][ T3652] Call Trace: [ 2741.687672][ T3652] dump_stack_lvl+0x1e2/0x24b [ 2741.692398][ T3652] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2741.697689][ T3652] ? blk_mq_alloc_tag_set+0x3f4/0xd30 [ 2741.702895][ T3652] dump_stack+0x15/0x17 [ 2741.706887][ T3652] should_fail+0x3c6/0x510 [ 2741.711208][ T3652] ? blk_mq_init_tags+0x77/0x390 [ 2741.715925][ T3652] __should_failslab+0xa4/0xe0 [ 2741.720524][ T3652] should_failslab+0x9/0x20 [ 2741.724853][ T3652] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2741.729981][ T3652] ? find_next_bit+0x7f/0x100 [ 2741.734498][ T3652] blk_mq_init_tags+0x77/0x390 [ 2741.739154][ T3652] ? blk_mq_hw_queue_to_node+0xf3/0x110 [ 2741.744474][ T3652] blk_mq_alloc_rq_map+0x7f/0x190 [ 2741.749328][ T3652] __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2741.755138][ T3652] ? cpumask_next+0x23/0x30 [ 2741.759492][ T3652] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2741.765230][ T3652] blk_mq_alloc_tag_set+0x648/0xd30 [ 2741.770244][ T3652] loop_add+0x23a/0x750 [ 2741.774233][ T3652] loop_control_ioctl+0x448/0x620 [ 2741.779107][ T3652] ? loop_remove+0xb0/0xb0 [ 2741.783347][ T3652] ? __fget_files+0x31e/0x380 [ 2741.787870][ T3652] ? security_file_ioctl+0x84/0xb0 [ 2741.792812][ T3652] ? loop_remove+0xb0/0xb0 [ 2741.797163][ T3652] __se_sys_ioctl+0x114/0x190 [ 2741.801671][ T3652] __x64_sys_ioctl+0x7b/0x90 [ 2741.806101][ T3652] do_syscall_64+0x34/0x70 [ 2741.810457][ T3652] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2741.816180][ T3652] RIP: 0033:0x7f21011fbba9 [ 2741.820419][ T3652] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:10 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) ioctl$KVM_GET_SUPPORTED_CPUID(0xffffffffffffffff, 0xc008ae05, &(0x7f0000000140)=""/4096) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) ioctl$KVM_GET_SUPPORTED_CPUID(0xffffffffffffffff, 0xc008ae05, &(0x7f0000000140)=""/4096) (async) 00:51:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1300}, 0x0) 00:51:10 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 5) [ 2741.840931][ T3652] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2741.849347][ T3652] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2741.857152][ T3652] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2741.864976][ T3652] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2741.872773][ T3652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2741.880587][ T3652] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2741.893090][ T3652] blk-mq: reduced tag depth (128 -> 64) 00:51:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1301}, 0x0) [ 2741.941006][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2741.978868][ T3676] FAULT_INJECTION: forcing a failure. [ 2741.978868][ T3676] name failslab, interval 1, probability 0, space 0, times 0 [ 2741.995989][ T3676] CPU: 0 PID: 3676 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2742.006055][ T3676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2742.016028][ T3676] Call Trace: [ 2742.019173][ T3676] dump_stack_lvl+0x1e2/0x24b [ 2742.023675][ T3676] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2742.028972][ T3676] dump_stack+0x15/0x17 [ 2742.032961][ T3676] should_fail+0x3c6/0x510 [ 2742.037216][ T3676] ? sbitmap_queue_init_node+0x156/0x1010 00:51:10 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000240)=ANY=[@ANYRES16=r0, @ANYBLOB="fd4c02af3c72503bdb07bce75b5a1afd3981845ea10848642d7d117d4abf141e37ea0fba7e19031cbe5d34afb62457f601cee4a81c76179ba2101a62106ae2cf42507145ad6d8ed164ccf7fcc46d9997182ceebefbcdbc738196bb957db529e2aba9749fb2acb2d20bf9e2df121aa82a1180b6e5f71ac427b2d6e21df0ffbea7e26853960d588e273fe46a61f1c02d15f2f4199254ec9246fcdb5e15a891edbebc948c48888d333ea1bd06159275a7fcf1731634857396fc4740e018962ea1b70df5cf6241ce97c29e1d9db4c503029f3dbf1788b19b0a634242db0aa1432da42afddc8e9b143b", @ANYBLOB="68237c42344b43c6700500280964d4171262e548b51ac948fd70704ea9c10246713f7d5c545cb9b5f4a073439990bff952d015261ab0022ddf15c2bf10d70b9d73449fda1371660a9f1bc7aca33796d4ce9e7cba94e1fc84955a21eff2b4ab3cb1c7df1992bc9663437ca492ebf690d84d57c551bb3e1c316c1b0c3caaa851979e56a106310d57211059"]) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000240)=ANY=[@ANYRES16=r0, @ANYBLOB="fd4c02af3c72503bdb07bce75b5a1afd3981845ea10848642d7d117d4abf141e37ea0fba7e19031cbe5d34afb62457f601cee4a81c76179ba2101a62106ae2cf42507145ad6d8ed164ccf7fcc46d9997182ceebefbcdbc738196bb957db529e2aba9749fb2acb2d20bf9e2df121aa82a1180b6e5f71ac427b2d6e21df0ffbea7e26853960d588e273fe46a61f1c02d15f2f4199254ec9246fcdb5e15a891edbebc948c48888d333ea1bd06159275a7fcf1731634857396fc4740e018962ea1b70df5cf6241ce97c29e1d9db4c503029f3dbf1788b19b0a634242db0aa1432da42afddc8e9b143b", @ANYBLOB="68237c42344b43c6700500280964d4171262e548b51ac948fd70704ea9c10246713f7d5c545cb9b5f4a073439990bff952d015261ab0022ddf15c2bf10d70b9d73449fda1371660a9f1bc7aca33796d4ce9e7cba94e1fc84955a21eff2b4ab3cb1c7df1992bc9663437ca492ebf690d84d57c551bb3e1c316c1b0c3caaa851979e56a106310d57211059"]) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)=0x9) 00:51:10 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:10 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x6c, 0x0, 0x106, 0x70bd25, 0x25dfdafd, {}, [@IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0xfe}}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2c93}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xfffffffd}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x97d}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040800) syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), r0) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000100)=ANY=[@ANYRES16=r2]) 00:51:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1302}, 0x0) [ 2742.042790][ T3676] __should_failslab+0xa4/0xe0 [ 2742.047395][ T3676] should_failslab+0x9/0x20 [ 2742.051724][ T3676] __kmalloc+0x60/0x330 [ 2742.055728][ T3676] sbitmap_queue_init_node+0x156/0x1010 [ 2742.061097][ T3676] ? kmem_cache_alloc_trace+0x18a/0x2e0 [ 2742.066465][ T3676] blk_mq_init_tags+0x14e/0x390 [ 2742.071185][ T3676] blk_mq_alloc_rq_map+0x7f/0x190 [ 2742.076019][ T3676] __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2742.081820][ T3676] ? cpumask_next+0x23/0x30 [ 2742.086171][ T3676] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2742.091898][ T3676] blk_mq_alloc_tag_set+0x648/0xd30 [ 2742.096930][ T3676] loop_add+0x23a/0x750 [ 2742.100915][ T3676] loop_control_ioctl+0x448/0x620 [ 2742.105788][ T3676] ? loop_remove+0xb0/0xb0 [ 2742.110034][ T3676] ? __fget_files+0x31e/0x380 [ 2742.114553][ T3676] ? security_file_ioctl+0x84/0xb0 [ 2742.119490][ T3676] ? loop_remove+0xb0/0xb0 [ 2742.123757][ T3676] __se_sys_ioctl+0x114/0x190 [ 2742.128269][ T3676] __x64_sys_ioctl+0x7b/0x90 [ 2742.132685][ T3676] do_syscall_64+0x34/0x70 [ 2742.136941][ T3676] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2742.142665][ T3676] RIP: 0033:0x7f21011fbba9 [ 2742.146917][ T3676] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2742.166361][ T3676] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2742.174606][ T3676] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2742.182426][ T3676] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1303}, 0x0) 00:51:10 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 6) 00:51:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x6c, 0x0, 0x106, 0x70bd25, 0x25dfdafd, {}, [@IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0xfe}}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2c93}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xfffffffd}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x97d}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040800) syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), r0) (async, rerun: 32) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000100)=ANY=[@ANYRES16=r2]) [ 2742.190331][ T3676] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2742.198135][ T3676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2742.205954][ T3676] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2742.214667][ T3676] blk-mq: reduced tag depth (128 -> 64) 00:51:10 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:10 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2742.268796][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2742.307068][ T3707] FAULT_INJECTION: forcing a failure. 00:51:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x6c, 0x0, 0x106, 0x70bd25, 0x25dfdafd, {}, [@IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x10000}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0xfe}}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2c93}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xfffffffd}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x97d}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040800) (async) syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), r0) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000100)=ANY=[@ANYRES16=r2]) 00:51:10 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2742.307068][ T3707] name failslab, interval 1, probability 0, space 0, times 0 [ 2742.334157][ T3707] CPU: 1 PID: 3707 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2742.344221][ T3707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2742.354199][ T3707] Call Trace: [ 2742.357381][ T3707] dump_stack_lvl+0x1e2/0x24b [ 2742.361933][ T3707] ? panic+0x80b/0x80b [ 2742.365837][ T3707] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2742.371130][ T3707] ? find_next_bit+0xc7/0x100 [ 2742.375652][ T3707] dump_stack+0x15/0x17 [ 2742.379641][ T3707] should_fail+0x3c6/0x510 [ 2742.383889][ T3707] ? sbitmap_queue_init_node+0x6df/0x1010 [ 2742.389445][ T3707] __should_failslab+0xa4/0xe0 [ 2742.394042][ T3707] should_failslab+0x9/0x20 [ 2742.398386][ T3707] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2742.403595][ T3707] sbitmap_queue_init_node+0x6df/0x1010 [ 2742.408974][ T3707] blk_mq_init_tags+0x14e/0x390 [ 2742.413659][ T3707] blk_mq_alloc_rq_map+0x7f/0x190 [ 2742.418519][ T3707] __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2742.424332][ T3707] ? cpumask_next+0x23/0x30 [ 2742.428679][ T3707] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2742.434408][ T3707] blk_mq_alloc_tag_set+0x648/0xd30 [ 2742.439528][ T3707] loop_add+0x23a/0x750 [ 2742.443512][ T3707] loop_control_ioctl+0x448/0x620 [ 2742.448379][ T3707] ? loop_remove+0xb0/0xb0 [ 2742.452626][ T3707] ? __fget_files+0x31e/0x380 [ 2742.457144][ T3707] ? security_file_ioctl+0x84/0xb0 [ 2742.462082][ T3707] ? loop_remove+0xb0/0xb0 [ 2742.466341][ T3707] __se_sys_ioctl+0x114/0x190 [ 2742.470852][ T3707] __x64_sys_ioctl+0x7b/0x90 [ 2742.475467][ T3707] do_syscall_64+0x34/0x70 [ 2742.479718][ T3707] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2742.485453][ T3707] RIP: 0033:0x7f21011fbba9 [ 2742.489705][ T3707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2742.509140][ T3707] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2742.517379][ T3707] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2742.525366][ T3707] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2742.533177][ T3707] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2742.541003][ T3707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2742.548887][ T3707] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2742.559317][ T3707] blk-mq: reduced tag depth (128 -> 64) [ 2742.613411][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:10 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 7) 00:51:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1400}, 0x0) 00:51:10 executing program 5: ioctl$RFKILL_IOC_MAX_SIZE(0xffffffffffffffff, 0x2, &(0x7f0000000080)=0x7) r0 = socket(0x6, 0x800, 0x1000) setsockopt$bt_hci_HCI_TIME_STAMP(r0, 0x0, 0x3, &(0x7f0000000040)=0x1, 0x4) r1 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r1, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB='\vx!\x00\x00\x00']) 00:51:10 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:10 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:10 executing program 5: ioctl$RFKILL_IOC_MAX_SIZE(0xffffffffffffffff, 0x2, &(0x7f0000000080)=0x7) r0 = socket(0x6, 0x800, 0x1000) setsockopt$bt_hci_HCI_TIME_STAMP(r0, 0x0, 0x3, &(0x7f0000000040)=0x1, 0x4) r1 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r1, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB='\vx!\x00\x00\x00']) ioctl$RFKILL_IOC_MAX_SIZE(0xffffffffffffffff, 0x2, &(0x7f0000000080)=0x7) (async) socket(0x6, 0x800, 0x1000) (async) setsockopt$bt_hci_HCI_TIME_STAMP(r0, 0x0, 0x3, &(0x7f0000000040)=0x1, 0x4) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$RNDADDENTROPY(r1, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB='\vx!\x00\x00\x00']) (async) 00:51:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1401}, 0x0) 00:51:11 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2742.865318][ T3725] FAULT_INJECTION: forcing a failure. [ 2742.865318][ T3725] name failslab, interval 1, probability 0, space 0, times 0 [ 2742.888437][ T3725] CPU: 0 PID: 3725 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2742.898499][ T3725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2742.908394][ T3725] Call Trace: 00:51:11 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000400)={@private1, 0x0, r1}) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg1\x00', 0x0}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'batadv0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) r9 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r9, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r9, 0x8936, &(0x7f0000000400)={@private1, 0x0, r10}) r11 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r11, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r11, 0x8936, &(0x7f0000000400)={@private1, 0x0, r12}) r13 = socket$inet6_udp(0xa, 0x2, 0x0) r14 = socket$vsock_stream(0x28, 0x1, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r14, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r13, 0x8936, &(0x7f0000000400)={@private1, 0x0, r15}) sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000140)={0x234, 0x0, 0x410, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp0\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp0\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}]}, @HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x4}, 0x4000804) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2742.911669][ T3725] dump_stack_lvl+0x1e2/0x24b [ 2742.916136][ T3725] ? panic+0x80b/0x80b [ 2742.920126][ T3725] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2742.925424][ T3725] ? find_next_bit+0xc7/0x100 [ 2742.929932][ T3725] dump_stack+0x15/0x17 [ 2742.933926][ T3725] should_fail+0x3c6/0x510 [ 2742.938379][ T3725] ? sbitmap_queue_init_node+0x6df/0x1010 [ 2742.943942][ T3725] __should_failslab+0xa4/0xe0 [ 2742.948541][ T3725] should_failslab+0x9/0x20 [ 2742.952878][ T3725] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2742.958336][ T3725] sbitmap_queue_init_node+0x6df/0x1010 00:51:11 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000400)={@private1, 0x0, r1}) (async) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg1\x00', 0x0}) (async) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) (async) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'batadv0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) (async) r9 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r9, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r9, 0x8936, &(0x7f0000000400)={@private1, 0x0, r10}) (async) r11 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r11, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r11, 0x8936, &(0x7f0000000400)={@private1, 0x0, r12}) r13 = socket$inet6_udp(0xa, 0x2, 0x0) r14 = socket$vsock_stream(0x28, 0x1, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r14, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r13, 0x8936, &(0x7f0000000400)={@private1, 0x0, r15}) sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000140)={0x234, 0x0, 0x410, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp0\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp0\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}]}, @HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x4}, 0x4000804) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2742.963731][ T3725] blk_mq_init_tags+0x1cd/0x390 [ 2742.968409][ T3725] blk_mq_alloc_rq_map+0x7f/0x190 [ 2742.973264][ T3725] __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2742.979061][ T3725] ? cpumask_next+0x23/0x30 [ 2742.983425][ T3725] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2742.989135][ T3725] blk_mq_alloc_tag_set+0x648/0xd30 [ 2742.994176][ T3725] loop_add+0x23a/0x750 [ 2742.998158][ T3725] loop_control_ioctl+0x448/0x620 [ 2743.003015][ T3725] ? loop_remove+0xb0/0xb0 [ 2743.007264][ T3725] ? __fget_files+0x31e/0x380 [ 2743.011782][ T3725] ? security_file_ioctl+0x84/0xb0 [ 2743.016834][ T3725] ? loop_remove+0xb0/0xb0 [ 2743.021083][ T3725] __se_sys_ioctl+0x114/0x190 [ 2743.025595][ T3725] __x64_sys_ioctl+0x7b/0x90 [ 2743.030025][ T3725] do_syscall_64+0x34/0x70 [ 2743.034285][ T3725] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2743.040008][ T3725] RIP: 0033:0x7f21011fbba9 [ 2743.044261][ T3725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2743.063703][ T3725] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2743.071957][ T3725] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2743.079813][ T3725] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2743.087574][ T3725] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2743.095511][ T3725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2743.103325][ T3725] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1402}, 0x0) 00:51:11 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 8) 00:51:11 executing program 5: ioctl$RFKILL_IOC_MAX_SIZE(0xffffffffffffffff, 0x2, &(0x7f0000000080)=0x7) (async, rerun: 32) r0 = socket(0x6, 0x800, 0x1000) (rerun: 32) setsockopt$bt_hci_HCI_TIME_STAMP(r0, 0x0, 0x3, &(0x7f0000000040)=0x1, 0x4) r1 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r1, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB='\vx!\x00\x00\x00']) [ 2743.111979][ T3725] blk-mq: reduced tag depth (128 -> 64) 00:51:11 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1403}, 0x0) 00:51:11 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2743.178399][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2743.195034][ T3746] FAULT_INJECTION: forcing a failure. [ 2743.195034][ T3746] name failslab, interval 1, probability 0, space 0, times 0 [ 2743.213104][ T3746] CPU: 0 PID: 3746 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2743.223169][ T3746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2743.233182][ T3746] Call Trace: [ 2743.236320][ T3746] dump_stack_lvl+0x1e2/0x24b [ 2743.240825][ T3746] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2743.246273][ T3746] ? kmem_cache_alloc_trace+0x18a/0x2e0 [ 2743.251630][ T3746] dump_stack+0x15/0x17 [ 2743.255611][ T3746] should_fail+0x3c6/0x510 [ 2743.259950][ T3746] ? blk_mq_alloc_rq_map+0xa3/0x190 [ 2743.264991][ T3746] __should_failslab+0xa4/0xe0 [ 2743.269613][ T3746] should_failslab+0x9/0x20 [ 2743.273945][ T3746] __kmalloc+0x60/0x330 [ 2743.278013][ T3746] blk_mq_alloc_rq_map+0xa3/0x190 [ 2743.282976][ T3746] __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2743.288795][ T3746] ? cpumask_next+0x23/0x30 [ 2743.293127][ T3746] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2743.298862][ T3746] blk_mq_alloc_tag_set+0x648/0xd30 [ 2743.303886][ T3746] loop_add+0x23a/0x750 [ 2743.307884][ T3746] loop_control_ioctl+0x448/0x620 [ 2743.312741][ T3746] ? loop_remove+0xb0/0xb0 [ 2743.317081][ T3746] ? __fget_files+0x31e/0x380 [ 2743.321605][ T3746] ? security_file_ioctl+0x84/0xb0 [ 2743.326546][ T3746] ? loop_remove+0xb0/0xb0 [ 2743.330789][ T3746] __se_sys_ioctl+0x114/0x190 [ 2743.335303][ T3746] __x64_sys_ioctl+0x7b/0x90 [ 2743.339730][ T3746] do_syscall_64+0x34/0x70 [ 2743.344000][ T3746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2743.349710][ T3746] RIP: 0033:0x7f21011fbba9 [ 2743.353961][ T3746] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:11 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000400)={@private1, 0x0, r1}) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg1\x00', 0x0}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) (async) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'batadv0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) (async) r9 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r9, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r9, 0x8936, &(0x7f0000000400)={@private1, 0x0, r10}) (async, rerun: 32) r11 = socket$inet6_udp(0xa, 0x2, 0x0) (rerun: 32) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r11, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r11, 0x8936, &(0x7f0000000400)={@private1, 0x0, r12}) r13 = socket$inet6_udp(0xa, 0x2, 0x0) (async) r14 = socket$vsock_stream(0x28, 0x1, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r14, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r13, 0x8936, &(0x7f0000000400)={@private1, 0x0, r15}) (async, rerun: 32) sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000140)={0x234, 0x0, 0x410, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp0\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp0\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}]}, @HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x4}, 0x4000804) (async, rerun: 32) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1500}, 0x0) 00:51:11 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)=ANY=[@ANYBLOB="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"]) [ 2743.373492][ T3746] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2743.381736][ T3746] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2743.389548][ T3746] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2743.397388][ T3746] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2743.405174][ T3746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2743.413087][ T3746] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2743.421196][ T3746] blk-mq: reduced tag depth (128 -> 64) 00:51:11 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 9) 00:51:11 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:11 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:11 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)=ANY=[@ANYBLOB="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"]) 00:51:11 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x208000, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x5) 00:51:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1501}, 0x0) [ 2743.452946][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2743.485708][ T3771] FAULT_INJECTION: forcing a failure. [ 2743.485708][ T3771] name failslab, interval 1, probability 0, space 0, times 0 [ 2743.502086][ T3771] CPU: 1 PID: 3771 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2743.512150][ T3771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2743.522044][ T3771] Call Trace: [ 2743.525179][ T3771] dump_stack_lvl+0x1e2/0x24b [ 2743.529694][ T3771] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2743.534978][ T3771] dump_stack+0x15/0x17 [ 2743.538973][ T3771] should_fail+0x3c6/0x510 [ 2743.543222][ T3771] ? blk_mq_alloc_rq_map+0xe3/0x190 [ 2743.548263][ T3771] __should_failslab+0xa4/0xe0 [ 2743.552899][ T3771] should_failslab+0x9/0x20 [ 2743.557305][ T3771] __kmalloc+0x60/0x330 [ 2743.561275][ T3771] ? blk_mq_alloc_rq_map+0xa3/0x190 [ 2743.566307][ T3771] blk_mq_alloc_rq_map+0xe3/0x190 [ 2743.571355][ T3771] __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2743.577177][ T3771] ? cpumask_next+0x23/0x30 [ 2743.581513][ T3771] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2743.587248][ T3771] blk_mq_alloc_tag_set+0x648/0xd30 [ 2743.592270][ T3771] loop_add+0x23a/0x750 [ 2743.596260][ T3771] loop_control_ioctl+0x448/0x620 [ 2743.601117][ T3771] ? loop_remove+0xb0/0xb0 [ 2743.605380][ T3771] ? __fget_files+0x31e/0x380 [ 2743.609894][ T3771] ? security_file_ioctl+0x84/0xb0 [ 2743.615024][ T3771] ? loop_remove+0xb0/0xb0 [ 2743.619272][ T3771] __se_sys_ioctl+0x114/0x190 [ 2743.623782][ T3771] __x64_sys_ioctl+0x7b/0x90 [ 2743.628270][ T3771] do_syscall_64+0x34/0x70 [ 2743.632459][ T3771] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2743.638188][ T3771] RIP: 0033:0x7f21011fbba9 [ 2743.642449][ T3771] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2743.661889][ T3771] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2743.670330][ T3771] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2743.678138][ T3771] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2743.685943][ T3771] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2743.693753][ T3771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 00:51:11 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 10) 00:51:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1502}, 0x0) 00:51:11 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x208000, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x5) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x208000, 0x0) (async) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x5) (async) 00:51:11 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)=ANY=[@ANYBLOB="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"]) [ 2743.701567][ T3771] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2743.711071][ T3771] blk-mq: reduced tag depth (128 -> 64) 00:51:11 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:11 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:11 executing program 5: sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x8, 0x70bd2a, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x48000}, 0x24040000) r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYRES8=r0]) [ 2743.778349][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2743.799799][ T3789] FAULT_INJECTION: forcing a failure. [ 2743.799799][ T3789] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2743.819044][ T3789] CPU: 0 PID: 3789 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2743.829305][ T3789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2743.839196][ T3789] Call Trace: [ 2743.842336][ T3789] dump_stack_lvl+0x1e2/0x24b [ 2743.846875][ T3789] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2743.852131][ T3789] ? stack_trace_save+0x113/0x1c0 [ 2743.856988][ T3789] ? stack_trace_snprint+0xf0/0xf0 [ 2743.861937][ T3789] ? loop_add+0x23a/0x750 [ 2743.866229][ T3789] dump_stack+0x15/0x17 [ 2743.870223][ T3789] should_fail+0x3c6/0x510 [ 2743.874486][ T3789] should_fail_alloc_page+0x52/0x60 [ 2743.879500][ T3789] __alloc_pages_nodemask+0x1b3/0xaf0 [ 2743.884706][ T3789] ? __blk_mq_alloc_map_and_request+0x93/0x2f0 [ 2743.890698][ T3789] ? blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2743.896600][ T3789] ? __se_sys_ioctl+0x114/0x190 [ 2743.901283][ T3789] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 2743.906669][ T3789] ? cpumask_next+0x23/0x30 [ 2743.911005][ T3789] ? blk_mq_hw_queue_to_node+0xf3/0x110 [ 2743.916393][ T3789] blk_mq_alloc_rqs+0x2f1/0x8e0 [ 2743.921075][ T3789] ? blk_mq_alloc_rq_map+0x190/0x190 [ 2743.926286][ T3789] ? blk_mq_alloc_rq_map+0xe3/0x190 [ 2743.931319][ T3789] ? blk_mq_alloc_rq_map+0x11c/0x190 [ 2743.936552][ T3789] __blk_mq_alloc_map_and_request+0x143/0x2f0 [ 2743.942441][ T3789] blk_mq_alloc_map_and_requests+0xbf/0x520 [ 2743.948306][ T3789] blk_mq_alloc_tag_set+0x648/0xd30 [ 2743.953334][ T3789] loop_add+0x23a/0x750 [ 2743.957313][ T3789] loop_control_ioctl+0x448/0x620 [ 2743.962178][ T3789] ? loop_remove+0xb0/0xb0 [ 2743.966431][ T3789] ? __fget_files+0x31e/0x380 [ 2743.970954][ T3789] ? security_file_ioctl+0x84/0xb0 [ 2743.975886][ T3789] ? loop_remove+0xb0/0xb0 [ 2743.980142][ T3789] __se_sys_ioctl+0x114/0x190 [ 2743.984654][ T3789] __x64_sys_ioctl+0x7b/0x90 [ 2743.989083][ T3789] do_syscall_64+0x34/0x70 [ 2743.993335][ T3789] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2743.999060][ T3789] RIP: 0033:0x7f21011fbba9 [ 2744.003313][ T3789] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1503}, 0x0) 00:51:12 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x208000, 0x0) (async) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x208000, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x5) 00:51:12 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 11) 00:51:12 executing program 5: sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x8, 0x70bd2a, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x48000}, 0x24040000) (async) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x8, 0x70bd2a, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x48000}, 0x24040000) r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYRES8=r0]) [ 2744.022868][ T3789] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2744.031085][ T3789] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2744.038903][ T3789] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2744.046818][ T3789] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2744.054614][ T3789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2744.062822][ T3789] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:12 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(0x0, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1600}, 0x0) 00:51:12 executing program 5: sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x8, 0x70bd2a, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x48000}, 0x24040000) r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYRES8=r0]) 00:51:12 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)) [ 2744.098464][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:12 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) socket$vsock_stream(0x28, 0x1, 0x0) 00:51:12 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1601}, 0x0) [ 2744.144829][ T3817] FAULT_INJECTION: forcing a failure. [ 2744.144829][ T3817] name failslab, interval 1, probability 0, space 0, times 0 [ 2744.161833][ T3817] CPU: 0 PID: 3817 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2744.171989][ T3817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2744.181878][ T3817] Call Trace: [ 2744.185008][ T3817] dump_stack_lvl+0x1e2/0x24b [ 2744.189518][ T3817] ? panic+0x80b/0x80b [ 2744.193421][ T3817] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2744.198726][ T3817] ? blk_mq_alloc_rq_map+0x190/0x190 [ 2744.203842][ T3817] ? blk_mq_alloc_rq_map+0xe3/0x190 [ 2744.208882][ T3817] dump_stack+0x15/0x17 [ 2744.212950][ T3817] should_fail+0x3c6/0x510 [ 2744.217273][ T3817] ? blk_alloc_queue+0x2a/0x640 [ 2744.221903][ T3817] __should_failslab+0xa4/0xe0 [ 2744.226498][ T3817] should_failslab+0x9/0x20 [ 2744.230834][ T3817] kmem_cache_alloc+0x3d/0x2e0 [ 2744.235646][ T3817] blk_alloc_queue+0x2a/0x640 [ 2744.240146][ T3817] ? __mutex_init+0xa2/0xf0 [ 2744.244475][ T3817] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2744.249687][ T3817] blk_mq_init_queue+0x36/0xd0 [ 2744.254455][ T3817] loop_add+0x265/0x750 [ 2744.258446][ T3817] loop_control_ioctl+0x448/0x620 [ 2744.263299][ T3817] ? loop_remove+0xb0/0xb0 [ 2744.267555][ T3817] ? __fget_files+0x31e/0x380 [ 2744.272066][ T3817] ? security_file_ioctl+0x84/0xb0 [ 2744.277013][ T3817] ? loop_remove+0xb0/0xb0 [ 2744.281367][ T3817] __se_sys_ioctl+0x114/0x190 [ 2744.285894][ T3817] __x64_sys_ioctl+0x7b/0x90 [ 2744.290455][ T3817] do_syscall_64+0x34/0x70 [ 2744.294702][ T3817] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2744.300413][ T3817] RIP: 0033:0x7f21011fbba9 [ 2744.304664][ T3817] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2744.324366][ T3817] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2744.332692][ T3817] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:12 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)) (async) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)) 00:51:12 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(0x0, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2744.340504][ T3817] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2744.348321][ T3817] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2744.356249][ T3817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2744.364045][ T3817] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2744.382550][ T3830] __nla_validate_parse: 26 callbacks suppressed 00:51:12 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 12) 00:51:12 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0), 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) socket$vsock_stream(0x28, 0x1, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) socket$vsock_stream(0x28, 0x1, 0x0) (async) 00:51:12 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async, rerun: 32) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) (rerun: 32) syz_genetlink_get_family_id$ethtool(0x0, r0) (async) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)) [ 2744.382562][ T3830] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:12 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) socket$vsock_stream(0x28, 0x1, 0x0) 00:51:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1602}, 0x0) 00:51:12 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(0x0, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)=0xfff) socket$nl_sock_diag(0x10, 0x3, 0x4) [ 2744.426612][ T3838] FAULT_INJECTION: forcing a failure. [ 2744.426612][ T3838] name failslab, interval 1, probability 0, space 0, times 0 [ 2744.447662][ T3838] CPU: 1 PID: 3838 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2744.457726][ T3838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2744.467828][ T3838] Call Trace: [ 2744.471113][ T3838] dump_stack_lvl+0x1e2/0x24b [ 2744.475616][ T3838] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2744.480924][ T3838] dump_stack+0x15/0x17 [ 2744.484990][ T3838] should_fail+0x3c6/0x510 [ 2744.489356][ T3838] ? mempool_init_node+0x12d/0x4a0 [ 2744.494368][ T3838] __should_failslab+0xa4/0xe0 [ 2744.498967][ T3838] should_failslab+0x9/0x20 [ 2744.503311][ T3838] __kmalloc+0x60/0x330 [ 2744.507308][ T3838] mempool_init_node+0x12d/0x4a0 [ 2744.512066][ T3838] ? mempool_alloc_slab+0x30/0x30 [ 2744.516926][ T3838] ? mempool_free+0x310/0x310 [ 2744.521528][ T3838] ? mempool_free+0x310/0x310 [ 2744.526051][ T3838] ? mempool_alloc_slab+0x30/0x30 [ 2744.530899][ T3838] mempool_init+0x3c/0x50 [ 2744.535105][ T3838] bioset_init+0x43f/0x610 [ 2744.539325][ T3838] blk_alloc_queue+0xc7/0x640 [ 2744.543831][ T3838] ? __mutex_init+0xa2/0xf0 [ 2744.548192][ T3838] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2744.553378][ T3838] blk_mq_init_queue+0x36/0xd0 [ 2744.557981][ T3838] loop_add+0x265/0x750 [ 2744.561972][ T3838] loop_control_ioctl+0x448/0x620 [ 2744.566972][ T3838] ? loop_remove+0xb0/0xb0 [ 2744.571212][ T3838] ? __fget_files+0x31e/0x380 [ 2744.575727][ T3838] ? security_file_ioctl+0x84/0xb0 [ 2744.580769][ T3838] ? loop_remove+0xb0/0xb0 [ 2744.585103][ T3838] __se_sys_ioctl+0x114/0x190 [ 2744.589751][ T3838] __x64_sys_ioctl+0x7b/0x90 [ 2744.594180][ T3838] do_syscall_64+0x34/0x70 [ 2744.598415][ T3838] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2744.604132][ T3838] RIP: 0033:0x7f21011fbba9 [ 2744.608391][ T3838] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2744.627999][ T3838] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2744.636331][ T3838] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2744.644152][ T3838] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2744.651956][ T3838] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2744.659762][ T3838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2744.667660][ T3838] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:12 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0), 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x530542, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:12 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0), 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:12 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)=0xfff) socket$nl_sock_diag(0x10, 0x3, 0x4) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)=0xfff) (async) socket$nl_sock_diag(0x10, 0x3, 0x4) (async) 00:51:12 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 13) 00:51:12 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x530542, 0x0) (async) r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x530542, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:12 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(0x0, r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2744.693837][ T3858] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1603}, 0x0) 00:51:12 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)=0xfff) (async, rerun: 32) socket$nl_sock_diag(0x10, 0x3, 0x4) (rerun: 32) [ 2744.744371][ T3871] FAULT_INJECTION: forcing a failure. [ 2744.744371][ T3871] name failslab, interval 1, probability 0, space 0, times 0 [ 2744.759007][ T3871] CPU: 0 PID: 3871 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2744.769176][ T3871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2744.779216][ T3871] Call Trace: [ 2744.782333][ T3871] dump_stack_lvl+0x1e2/0x24b [ 2744.786837][ T3871] ? panic+0x80b/0x80b [ 2744.790736][ T3871] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2744.796040][ T3871] dump_stack+0x15/0x17 [ 2744.800035][ T3871] should_fail+0x3c6/0x510 [ 2744.804293][ T3871] ? mempool_alloc_slab+0x1d/0x30 [ 2744.809154][ T3871] __should_failslab+0xa4/0xe0 [ 2744.813745][ T3871] should_failslab+0x9/0x20 [ 2744.818089][ T3871] kmem_cache_alloc+0x3d/0x2e0 [ 2744.822700][ T3871] ? __kasan_kmalloc+0x9/0x10 [ 2744.827197][ T3871] ? __kmalloc+0x1aa/0x330 [ 2744.831453][ T3871] mempool_alloc_slab+0x1d/0x30 [ 2744.836336][ T3871] ? mempool_free+0x310/0x310 [ 2744.840852][ T3871] mempool_init_node+0x1e2/0x4a0 [ 2744.845693][ T3871] ? mempool_free+0x310/0x310 [ 2744.850197][ T3871] ? mempool_alloc_slab+0x30/0x30 [ 2744.855059][ T3871] mempool_init+0x3c/0x50 [ 2744.859221][ T3871] bioset_init+0x43f/0x610 [ 2744.863650][ T3871] blk_alloc_queue+0xc7/0x640 [ 2744.868166][ T3871] ? __mutex_init+0xa2/0xf0 [ 2744.872674][ T3871] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2744.877880][ T3871] blk_mq_init_queue+0x36/0xd0 [ 2744.882481][ T3871] loop_add+0x265/0x750 [ 2744.886488][ T3871] loop_control_ioctl+0x448/0x620 [ 2744.891338][ T3871] ? loop_remove+0xb0/0xb0 [ 2744.895591][ T3871] ? __fget_files+0x31e/0x380 [ 2744.900109][ T3871] ? security_file_ioctl+0x84/0xb0 [ 2744.905048][ T3871] ? loop_remove+0xb0/0xb0 [ 2744.909302][ T3871] __se_sys_ioctl+0x114/0x190 [ 2744.913823][ T3871] __x64_sys_ioctl+0x7b/0x90 [ 2744.918244][ T3871] do_syscall_64+0x34/0x70 [ 2744.922496][ T3871] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2744.928395][ T3871] RIP: 0033:0x7f21011fbba9 [ 2744.932646][ T3871] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2744.952184][ T3871] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2744.960425][ T3871] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2744.968241][ T3871] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2744.976161][ T3871] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2744.983970][ T3871] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:13 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x530542, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:13 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 14) [ 2744.992006][ T3871] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:13 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(0x0, r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:13 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:13 executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) getpeername$packet(r0, &(0x7f0000000080)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000000c0)=0x14) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:13 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(0x0, r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:13 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200402, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYRES16=r1]) 00:51:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1700}, 0x0) [ 2745.017495][ T3880] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2745.047692][ T3890] FAULT_INJECTION: forcing a failure. [ 2745.047692][ T3890] name failslab, interval 1, probability 0, space 0, times 0 [ 2745.062254][ T3890] CPU: 1 PID: 3890 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2745.072677][ T3890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2745.082988][ T3890] Call Trace: [ 2745.086114][ T3890] dump_stack_lvl+0x1e2/0x24b [ 2745.090705][ T3890] ? panic+0x80b/0x80b [ 2745.094850][ T3890] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2745.100423][ T3890] dump_stack+0x15/0x17 [ 2745.104435][ T3890] should_fail+0x3c6/0x510 [ 2745.108644][ T3890] ? mempool_alloc_slab+0x1d/0x30 [ 2745.113593][ T3890] __should_failslab+0xa4/0xe0 [ 2745.118261][ T3890] should_failslab+0x9/0x20 [ 2745.122533][ T3890] kmem_cache_alloc+0x3d/0x2e0 [ 2745.127133][ T3890] ? kasan_poison+0x5d/0x70 [ 2745.131475][ T3890] ? ____kasan_slab_free+0x10a/0x160 [ 2745.136593][ T3890] mempool_alloc_slab+0x1d/0x30 [ 2745.141282][ T3890] ? mempool_free+0x310/0x310 [ 2745.145797][ T3890] mempool_init_node+0x1e2/0x4a0 [ 2745.150568][ T3890] ? mempool_free+0x310/0x310 [ 2745.155078][ T3890] ? mempool_alloc_slab+0x30/0x30 [ 2745.160025][ T3890] mempool_init+0x3c/0x50 [ 2745.164192][ T3890] bioset_init+0x43f/0x610 [ 2745.168456][ T3890] blk_alloc_queue+0xc7/0x640 [ 2745.172963][ T3890] ? __mutex_init+0xa2/0xf0 [ 2745.177382][ T3890] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2745.182507][ T3890] blk_mq_init_queue+0x36/0xd0 [ 2745.187302][ T3890] loop_add+0x265/0x750 [ 2745.191297][ T3890] loop_control_ioctl+0x448/0x620 [ 2745.196179][ T3890] ? loop_remove+0xb0/0xb0 [ 2745.200411][ T3890] ? __fget_files+0x31e/0x380 [ 2745.205146][ T3890] ? security_file_ioctl+0x84/0xb0 [ 2745.210173][ T3890] ? loop_remove+0xb0/0xb0 [ 2745.214418][ T3890] __se_sys_ioctl+0x114/0x190 [ 2745.219020][ T3890] __x64_sys_ioctl+0x7b/0x90 [ 2745.223441][ T3890] do_syscall_64+0x34/0x70 [ 2745.227722][ T3890] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2745.233417][ T3890] RIP: 0033:0x7f21011fbba9 [ 2745.237671][ T3890] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2745.257197][ T3890] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:13 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 15) [ 2745.265441][ T3890] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2745.273255][ T3890] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2745.281073][ T3890] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2745.288877][ T3890] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2745.296861][ T3890] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:13 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:13 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200402, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYRES16=r1]) openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200402, 0x0) (async) openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) (async) pipe2(&(0x7f00000009c0), 0x0) (async) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYRES16=r1]) (async) 00:51:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1701}, 0x0) [ 2745.323194][ T3901] FAULT_INJECTION: forcing a failure. [ 2745.323194][ T3901] name failslab, interval 1, probability 0, space 0, times 0 [ 2745.336382][ T3901] CPU: 1 PID: 3901 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2745.346538][ T3901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2745.348841][ T3904] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2745.356510][ T3901] Call Trace: [ 2745.356534][ T3901] dump_stack_lvl+0x1e2/0x24b [ 2745.356549][ T3901] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2745.356563][ T3901] dump_stack+0x15/0x17 [ 2745.356578][ T3901] should_fail+0x3c6/0x510 [ 2745.356604][ T3901] ? mempool_init_node+0x12d/0x4a0 [ 2745.391790][ T3901] __should_failslab+0xa4/0xe0 [ 2745.396435][ T3901] should_failslab+0x9/0x20 [ 2745.400818][ T3901] __kmalloc+0x60/0x330 [ 2745.404921][ T3901] mempool_init_node+0x12d/0x4a0 [ 2745.409809][ T3901] ? mempool_alloc_slab+0x30/0x30 [ 2745.414946][ T3901] ? mempool_free+0x310/0x310 [ 2745.419509][ T3901] ? mempool_free+0x310/0x310 [ 2745.424078][ T3901] ? mempool_alloc_slab+0x30/0x30 [ 2745.429097][ T3901] mempool_init+0x3c/0x50 [ 2745.433370][ T3901] bioset_init+0x4e1/0x610 [ 2745.437632][ T3901] blk_alloc_queue+0xc7/0x640 [ 2745.442631][ T3901] ? __mutex_init+0xa2/0xf0 [ 2745.446965][ T3901] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2745.452230][ T3901] blk_mq_init_queue+0x36/0xd0 [ 2745.456863][ T3901] loop_add+0x265/0x750 [ 2745.460852][ T3901] loop_control_ioctl+0x448/0x620 [ 2745.465720][ T3901] ? loop_remove+0xb0/0xb0 [ 2745.470095][ T3901] ? __fget_files+0x31e/0x380 [ 2745.474597][ T3901] ? security_file_ioctl+0x84/0xb0 [ 2745.479636][ T3901] ? loop_remove+0xb0/0xb0 [ 2745.483878][ T3901] __se_sys_ioctl+0x114/0x190 [ 2745.488391][ T3901] __x64_sys_ioctl+0x7b/0x90 [ 2745.492819][ T3901] do_syscall_64+0x34/0x70 [ 2745.497183][ T3901] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2745.503036][ T3901] RIP: 0033:0x7f21011fbba9 00:51:13 executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) getpeername$packet(r0, &(0x7f0000000080)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000000c0)=0x14) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) socket$packet(0x11, 0x2, 0x300) (async) getpeername$packet(r0, &(0x7f0000000080)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000000c0)=0x14) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) 00:51:13 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 16) [ 2745.507287][ T3901] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2745.526902][ T3901] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2745.535148][ T3901] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2745.542952][ T3901] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2745.550768][ T3901] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2745.558580][ T3901] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2745.566473][ T3901] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:13 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:13 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:13 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200402, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) (async) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYRES16=r1]) 00:51:13 executing program 1: socket$packet(0x11, 0x2, 0x300) (async) r0 = socket$packet(0x11, 0x2, 0x300) getpeername$packet(r0, &(0x7f0000000080)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000000c0)=0x14) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2745.598099][ T3924] FAULT_INJECTION: forcing a failure. [ 2745.598099][ T3924] name failslab, interval 1, probability 0, space 0, times 0 [ 2745.604846][ T3920] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2745.612540][ T3924] CPU: 1 PID: 3924 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2745.629620][ T3924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2745.639505][ T3924] Call Trace: [ 2745.642646][ T3924] dump_stack_lvl+0x1e2/0x24b [ 2745.647173][ T3924] ? panic+0x80b/0x80b [ 2745.651049][ T3924] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2745.656343][ T3924] dump_stack+0x15/0x17 [ 2745.660424][ T3924] should_fail+0x3c6/0x510 [ 2745.664673][ T3924] ? mempool_alloc_slab+0x1d/0x30 [ 2745.669658][ T3924] __should_failslab+0xa4/0xe0 [ 2745.674472][ T3924] should_failslab+0x9/0x20 [ 2745.678868][ T3924] kmem_cache_alloc+0x3d/0x2e0 [ 2745.683467][ T3924] ? __kasan_kmalloc+0x9/0x10 [ 2745.687978][ T3924] ? __kmalloc+0x1aa/0x330 [ 2745.692232][ T3924] mempool_alloc_slab+0x1d/0x30 [ 2745.696917][ T3924] ? mempool_free+0x310/0x310 [ 2745.701472][ T3924] mempool_init_node+0x1e2/0x4a0 [ 2745.706304][ T3924] ? mempool_free+0x310/0x310 [ 2745.710853][ T3924] ? mempool_alloc_slab+0x30/0x30 [ 2745.716021][ T3924] mempool_init+0x3c/0x50 [ 2745.720177][ T3924] bioset_init+0x4e1/0x610 [ 2745.724517][ T3924] blk_alloc_queue+0xc7/0x640 [ 2745.729117][ T3924] ? __mutex_init+0xa2/0xf0 [ 2745.733459][ T3924] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2745.738667][ T3924] blk_mq_init_queue+0x36/0xd0 [ 2745.743363][ T3924] loop_add+0x265/0x750 [ 2745.747341][ T3924] loop_control_ioctl+0x448/0x620 [ 2745.752222][ T3924] ? loop_remove+0xb0/0xb0 [ 2745.756458][ T3924] ? __fget_files+0x31e/0x380 [ 2745.760991][ T3924] ? security_file_ioctl+0x84/0xb0 [ 2745.765914][ T3924] ? loop_remove+0xb0/0xb0 [ 2745.770259][ T3924] __se_sys_ioctl+0x114/0x190 [ 2745.774775][ T3924] __x64_sys_ioctl+0x7b/0x90 [ 2745.779224][ T3924] do_syscall_64+0x34/0x70 [ 2745.783545][ T3924] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2745.789265][ T3924] RIP: 0033:0x7f21011fbba9 [ 2745.793517][ T3924] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2745.812958][ T3924] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2745.821376][ T3924] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2745.829446][ T3924] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2745.837450][ T3924] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1702}, 0x0) 00:51:14 executing program 5: r0 = socket(0x0, 0x800, 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000040)=@security={'security\x00', 0xe, 0x4, 0x360, 0xffffffff, 0x0, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x318, 0x318, 0x318, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@loopback, @mcast2, [], [], 'batadv_slave_1\x00', 'veth1\x00'}, 0x0, 0xa8, 0xc8}, @common=@inet=@SET2={0x30}}, {{@ipv6={@private0, @rand_addr=' \x01\x00', [], [], 'ip6tnl0\x00', 'pimreg0\x00'}, 0x0, 0xa8, 0xd0}, @common=@inet=@SET1={0x28}}, {{@ipv6={@private2, @mcast2, [], [], 'ipvlan0\x00', 'veth1_to_hsr\x00'}, 0x0, 0xa8, 0xe8}, @common=@inet=@TCPOPTSTRIP={0x40}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x3c0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) socketpair(0x2a, 0x5, 0x91f9, &(0x7f0000000440)={0xffffffffffffffff}) syz_genetlink_get_family_id$ethtool(0x0, r3) ioctl$TUNSETSTEERINGEBPF(r2, 0x800454e0, &(0x7f0000000400)) syz_genetlink_get_family_id$gtp(&(0x7f0000000040), r0) r4 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="031000002411"]) 00:51:14 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4140c3, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000080)) syz_open_dev$char_usb(0xc, 0xb4, 0x5889) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x5) 00:51:14 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 17) 00:51:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 5: r0 = socket(0x0, 0x800, 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000040)=@security={'security\x00', 0xe, 0x4, 0x360, 0xffffffff, 0x0, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x318, 0x318, 0x318, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@loopback, @mcast2, [], [], 'batadv_slave_1\x00', 'veth1\x00'}, 0x0, 0xa8, 0xc8}, @common=@inet=@SET2={0x30}}, {{@ipv6={@private0, @rand_addr=' \x01\x00', [], [], 'ip6tnl0\x00', 'pimreg0\x00'}, 0x0, 0xa8, 0xd0}, @common=@inet=@SET1={0x28}}, {{@ipv6={@private2, @mcast2, [], [], 'ipvlan0\x00', 'veth1_to_hsr\x00'}, 0x0, 0xa8, 0xe8}, @common=@inet=@TCPOPTSTRIP={0x40}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x3c0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) socketpair(0x2a, 0x5, 0x91f9, &(0x7f0000000440)={0xffffffffffffffff}) syz_genetlink_get_family_id$ethtool(0x0, r3) ioctl$TUNSETSTEERINGEBPF(r2, 0x800454e0, &(0x7f0000000400)) syz_genetlink_get_family_id$gtp(&(0x7f0000000040), r0) r4 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="031000002411"]) socket(0x0, 0x800, 0x2) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000040)=@security={'security\x00', 0xe, 0x4, 0x360, 0xffffffff, 0x0, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x318, 0x318, 0x318, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@loopback, @mcast2, [], [], 'batadv_slave_1\x00', 'veth1\x00'}, 0x0, 0xa8, 0xc8}, @common=@inet=@SET2={0x30}}, {{@ipv6={@private0, @rand_addr=' \x01\x00', [], [], 'ip6tnl0\x00', 'pimreg0\x00'}, 0x0, 0xa8, 0xd0}, @common=@inet=@SET1={0x28}}, {{@ipv6={@private2, @mcast2, [], [], 'ipvlan0\x00', 'veth1_to_hsr\x00'}, 0x0, 0xa8, 0xe8}, @common=@inet=@TCPOPTSTRIP={0x40}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x3c0) (async) pipe2(&(0x7f00000009c0), 0x0) (async) socketpair(0x2a, 0x5, 0x91f9, &(0x7f0000000440)) (async) syz_genetlink_get_family_id$ethtool(0x0, r3) (async) ioctl$TUNSETSTEERINGEBPF(r2, 0x800454e0, &(0x7f0000000400)) (async) syz_genetlink_get_family_id$gtp(&(0x7f0000000040), r0) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="031000002411"]) (async) 00:51:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1703}, 0x0) [ 2745.845256][ T3924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2745.853065][ T3924] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2745.885429][ T3938] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:14 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4140c3, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000080)) syz_open_dev$char_usb(0xc, 0xb4, 0x5889) (async) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x5) [ 2745.927582][ T3943] FAULT_INJECTION: forcing a failure. [ 2745.927582][ T3943] name failslab, interval 1, probability 0, space 0, times 0 [ 2745.942719][ T3943] CPU: 0 PID: 3943 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2745.952871][ T3943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2745.962762][ T3943] Call Trace: [ 2745.966138][ T3943] dump_stack_lvl+0x1e2/0x24b [ 2745.970869][ T3943] ? panic+0x80b/0x80b [ 2745.974768][ T3943] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2745.980062][ T3943] dump_stack+0x15/0x17 [ 2745.984044][ T3943] should_fail+0x3c6/0x510 [ 2745.988300][ T3943] ? mempool_alloc_slab+0x1d/0x30 [ 2745.993169][ T3943] __should_failslab+0xa4/0xe0 [ 2745.997754][ T3943] should_failslab+0x9/0x20 [ 2746.002092][ T3943] kmem_cache_alloc+0x3d/0x2e0 [ 2746.006693][ T3943] ? kasan_poison+0x5d/0x70 [ 2746.011038][ T3943] ? ____kasan_slab_free+0x10a/0x160 [ 2746.016158][ T3943] mempool_alloc_slab+0x1d/0x30 [ 2746.020844][ T3943] ? mempool_free+0x310/0x310 [ 2746.025357][ T3943] mempool_init_node+0x1e2/0x4a0 [ 2746.030270][ T3943] ? mempool_free+0x310/0x310 [ 2746.034771][ T3943] ? mempool_alloc_slab+0x30/0x30 [ 2746.039643][ T3943] mempool_init+0x3c/0x50 [ 2746.043804][ T3943] bioset_init+0x4e1/0x610 [ 2746.048050][ T3943] blk_alloc_queue+0xc7/0x640 [ 2746.052655][ T3943] ? __mutex_init+0xa2/0xf0 [ 2746.056990][ T3943] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2746.062196][ T3943] blk_mq_init_queue+0x36/0xd0 [ 2746.066807][ T3943] loop_add+0x265/0x750 [ 2746.070789][ T3943] loop_control_ioctl+0x448/0x620 [ 2746.075654][ T3943] ? loop_remove+0xb0/0xb0 [ 2746.079904][ T3943] ? __fget_files+0x31e/0x380 [ 2746.084484][ T3943] ? security_file_ioctl+0x84/0xb0 [ 2746.089474][ T3943] ? loop_remove+0xb0/0xb0 [ 2746.093722][ T3943] __se_sys_ioctl+0x114/0x190 [ 2746.098322][ T3943] __x64_sys_ioctl+0x7b/0x90 [ 2746.102758][ T3943] do_syscall_64+0x34/0x70 [ 2746.107092][ T3943] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2746.112809][ T3943] RIP: 0033:0x7f21011fbba9 [ 2746.117066][ T3943] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2746.136592][ T3943] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2746.144839][ T3943] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2746.152657][ T3943] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2746.160463][ T3943] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2746.168266][ T3943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:14 executing program 5: r0 = socket(0x0, 0x800, 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000040)=@security={'security\x00', 0xe, 0x4, 0x360, 0xffffffff, 0x0, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x318, 0x318, 0x318, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@loopback, @mcast2, [], [], 'batadv_slave_1\x00', 'veth1\x00'}, 0x0, 0xa8, 0xc8}, @common=@inet=@SET2={0x30}}, {{@ipv6={@private0, @rand_addr=' \x01\x00', [], [], 'ip6tnl0\x00', 'pimreg0\x00'}, 0x0, 0xa8, 0xd0}, @common=@inet=@SET1={0x28}}, {{@ipv6={@private2, @mcast2, [], [], 'ipvlan0\x00', 'veth1_to_hsr\x00'}, 0x0, 0xa8, 0xe8}, @common=@inet=@TCPOPTSTRIP={0x40}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x3c0) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) (async) socketpair(0x2a, 0x5, 0x91f9, &(0x7f0000000440)={0xffffffffffffffff}) syz_genetlink_get_family_id$ethtool(0x0, r3) (async) ioctl$TUNSETSTEERINGEBPF(r2, 0x800454e0, &(0x7f0000000400)) (async) syz_genetlink_get_family_id$gtp(&(0x7f0000000040), r0) (async) r4 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="031000002411"]) 00:51:14 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1800}, 0x0) 00:51:14 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 18) 00:51:14 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4140c3, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000080)) syz_open_dev$char_usb(0xc, 0xb4, 0x5889) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x5) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4140c3, 0x0) (async) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000080)) (async) syz_open_dev$char_usb(0xc, 0xb4, 0x5889) (async) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x5) (async) [ 2746.176166][ T3943] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2746.192769][ T3963] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:14 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000080)=ANY=[@ANYRESOCT=r1]) accept4$vsock_stream(r1, &(0x7f00000000c0)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x800) 00:51:14 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4a00, 0x0) 00:51:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, 0x0) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2746.234989][ T3978] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2746.259354][ T3987] FAULT_INJECTION: forcing a failure. [ 2746.259354][ T3987] name failslab, interval 1, probability 0, space 0, times 0 00:51:14 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4a00, 0x0) 00:51:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1801}, 0x0) [ 2746.291346][ T3987] CPU: 0 PID: 3987 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2746.301598][ T3987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2746.311605][ T3987] Call Trace: [ 2746.314748][ T3987] dump_stack_lvl+0x1e2/0x24b [ 2746.319254][ T3987] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2746.324540][ T3987] ? kasan_poison+0x5d/0x70 [ 2746.328879][ T3987] ? __kasan_slab_free_mempool+0x76/0xd0 [ 2746.334539][ T3987] dump_stack+0x15/0x17 [ 2746.338518][ T3987] should_fail+0x3c6/0x510 [ 2746.342764][ T3987] ? bdi_alloc+0x4e/0x110 [ 2746.347086][ T3987] __should_failslab+0xa4/0xe0 [ 2746.351688][ T3987] should_failslab+0x9/0x20 [ 2746.356009][ T3987] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2746.361123][ T3987] ? bioset_init+0x52b/0x610 [ 2746.365535][ T3987] bdi_alloc+0x4e/0x110 [ 2746.369544][ T3987] blk_alloc_queue+0x112/0x640 [ 2746.374151][ T3987] ? __mutex_init+0xa2/0xf0 [ 2746.378494][ T3987] ? blk_mq_alloc_tag_set+0xa44/0xd30 [ 2746.383678][ T3987] blk_mq_init_queue+0x36/0xd0 [ 2746.388282][ T3987] loop_add+0x265/0x750 [ 2746.392273][ T3987] loop_control_ioctl+0x448/0x620 [ 2746.397133][ T3987] ? loop_remove+0xb0/0xb0 [ 2746.401387][ T3987] ? __fget_files+0x31e/0x380 [ 2746.405902][ T3987] ? security_file_ioctl+0x84/0xb0 [ 2746.410860][ T3987] ? loop_remove+0xb0/0xb0 [ 2746.415097][ T3987] __se_sys_ioctl+0x114/0x190 [ 2746.419611][ T3987] __x64_sys_ioctl+0x7b/0x90 [ 2746.424036][ T3987] do_syscall_64+0x34/0x70 [ 2746.428290][ T3987] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2746.434016][ T3987] RIP: 0033:0x7f21011fbba9 [ 2746.438275][ T3987] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2746.457817][ T3987] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2746.466131][ T3987] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2746.473941][ T3987] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2746.481756][ T3987] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:14 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000080)=ANY=[@ANYRESOCT=r1]) (async) accept4$vsock_stream(r1, &(0x7f00000000c0)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x800) 00:51:14 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, 0x0, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1802}, 0x0) 00:51:14 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x4a00, 0x0) 00:51:14 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 19) 00:51:14 executing program 5: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000080)=ANY=[@ANYRESOCT=r1]) accept4$vsock_stream(r1, &(0x7f00000000c0)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0x800) [ 2746.489562][ T3987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2746.497412][ T3987] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2746.531276][ T4000] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:14 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, 0x0, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, 0x0) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1803}, 0x0) 00:51:14 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'gretap0\x00', &(0x7f0000000040)={'syztnl0\x00', 0x0, 0x10, 0x10, 0xffffffd0, 0x51cf, {{0x1b, 0x4, 0x2, 0xc, 0x6c, 0x66, 0x0, 0x2, 0x4, 0x0, @initdev={0xac, 0x1e, 0x1, 0x0}, @broadcast, {[@timestamp={0x44, 0xc, 0x6d, 0x0, 0x7, [0xeb, 0x7]}, @timestamp_addr={0x44, 0x24, 0x52, 0x1, 0x8, [{@multicast1, 0x100}, {@loopback, 0xffff}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x8}, {@rand_addr=0x64010101, 0x6}]}, @cipso={0x86, 0x28, 0x2, [{0x7, 0xa, "caf8932fdc69f56a"}, {0x2, 0x2}, {0x0, 0x12, "3955bbc9d0f478ffd1382a9ccbb7abda"}, {0x0, 0x4, "c5bc"}]}]}}}}}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000001c0)={'syztnl0\x00', &(0x7f0000000140)={'syztnl1\x00', 0x0, 0x0, 0x80, 0x0, 0xb46, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x40, 0x76ca08ed6a4b3453, 0xd6b3, 0xffffe7cb}}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00', 0x0}) getpeername$packet(0xffffffffffffffff, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000280)=0x14) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000380)={'syztnl1\x00', &(0x7f00000002c0)={'syztnl2\x00', 0x0, 0x8000, 0x7, 0x8, 0x4f, {{0x1d, 0x4, 0x0, 0x18, 0x74, 0x65, 0x0, 0x7, 0x29, 0x0, @dev={0xac, 0x14, 0x14, 0xa}, @empty, {[@noop, @timestamp_prespec={0x44, 0x1c, 0x46, 0x3, 0x5, [{@initdev={0xac, 0x1e, 0x1, 0x0}, 0x9}, {@empty, 0x20}, {@remote, 0x6}]}, @ssrr={0x89, 0x17, 0x1c, [@private=0xa010100, @rand_addr=0x64010100, @broadcast, @private=0xa010102, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @rr={0x7, 0x13, 0x8f, [@broadcast, @multicast2, @broadcast, @loopback]}, @lsrr={0x83, 0x17, 0xba, [@multicast1, @private=0xa010102, @local, @loopback, @rand_addr=0x64010102]}]}}}}}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000440)={0xffffffffffffffff, 0x58, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000480)={0x1c4, r1, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x4dda2b80b7107a15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x1c4}, 0x1, 0x0, 0x0, 0xc011}, 0x0) 00:51:14 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) setsockopt$bt_hci_HCI_DATA_DIR(r2, 0x0, 0x1, &(0x7f00000001c0)=0x4, 0x4) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000240)={@private0, 0x0, r1}) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@ifindex=r1, 0xe, 0x1, 0x5, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6, 0x0, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) r3 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r3, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) [ 2746.574294][ T4009] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2746.592374][ T4017] FAULT_INJECTION: forcing a failure. [ 2746.592374][ T4017] name failslab, interval 1, probability 0, space 0, times 0 [ 2746.610694][ T4017] CPU: 0 PID: 4017 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 00:51:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, 0x0) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2746.620939][ T4017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2746.630824][ T4017] Call Trace: [ 2746.633959][ T4017] dump_stack_lvl+0x1e2/0x24b [ 2746.638464][ T4017] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2746.643761][ T4017] dump_stack+0x15/0x17 [ 2746.647750][ T4017] should_fail+0x3c6/0x510 [ 2746.652012][ T4017] ? blk_alloc_queue_stats+0x4c/0x100 [ 2746.657219][ T4017] __should_failslab+0xa4/0xe0 [ 2746.661834][ T4017] should_failslab+0x9/0x20 [ 2746.666154][ T4017] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2746.671269][ T4017] ? bdi_init+0x23f/0x380 [ 2746.675439][ T4017] blk_alloc_queue_stats+0x4c/0x100 [ 2746.680473][ T4017] blk_alloc_queue+0x152/0x640 [ 2746.685073][ T4017] ? __mutex_init+0xa2/0xf0 [ 2746.689425][ T4017] blk_mq_init_queue+0x36/0xd0 [ 2746.694009][ T4017] loop_add+0x265/0x750 [ 2746.698097][ T4017] loop_control_ioctl+0x448/0x620 [ 2746.702956][ T4017] ? loop_remove+0xb0/0xb0 [ 2746.707219][ T4017] ? __fget_files+0x31e/0x380 [ 2746.711723][ T4017] ? security_file_ioctl+0x84/0xb0 [ 2746.716662][ T4017] ? loop_remove+0xb0/0xb0 [ 2746.721006][ T4017] __se_sys_ioctl+0x114/0x190 [ 2746.725517][ T4017] __x64_sys_ioctl+0x7b/0x90 [ 2746.729947][ T4017] do_syscall_64+0x34/0x70 [ 2746.734203][ T4017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2746.739924][ T4017] RIP: 0033:0x7f21011fbba9 [ 2746.744183][ T4017] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2746.763710][ T4017] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:14 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 20) 00:51:14 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) setsockopt$bt_hci_HCI_DATA_DIR(r2, 0x0, 0x1, &(0x7f00000001c0)=0x4, 0x4) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000240)={@private0, 0x0, r1}) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@ifindex=r1, 0xe, 0x1, 0x5, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6, 0x0, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) r3 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r3, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) socket$inet6_udp(0xa, 0x2, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) (async) setsockopt$bt_hci_HCI_DATA_DIR(r2, 0x0, 0x1, &(0x7f00000001c0)=0x4, 0x4) (async) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000240)={@private0, 0x0, r1}) (async) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@ifindex=r1, 0xe, 0x1, 0x5, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6, 0x0, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$RNDADDENTROPY(r3, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) 00:51:14 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, 0x0, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'gretap0\x00', &(0x7f0000000040)={'syztnl0\x00', 0x0, 0x10, 0x10, 0xffffffd0, 0x51cf, {{0x1b, 0x4, 0x2, 0xc, 0x6c, 0x66, 0x0, 0x2, 0x4, 0x0, @initdev={0xac, 0x1e, 0x1, 0x0}, @broadcast, {[@timestamp={0x44, 0xc, 0x6d, 0x0, 0x7, [0xeb, 0x7]}, @timestamp_addr={0x44, 0x24, 0x52, 0x1, 0x8, [{@multicast1, 0x100}, {@loopback, 0xffff}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x8}, {@rand_addr=0x64010101, 0x6}]}, @cipso={0x86, 0x28, 0x2, [{0x7, 0xa, "caf8932fdc69f56a"}, {0x2, 0x2}, {0x0, 0x12, "3955bbc9d0f478ffd1382a9ccbb7abda"}, {0x0, 0x4, "c5bc"}]}]}}}}}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000001c0)={'syztnl0\x00', &(0x7f0000000140)={'syztnl1\x00', 0x0, 0x0, 0x80, 0x0, 0xb46, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x40, 0x76ca08ed6a4b3453, 0xd6b3, 0xffffe7cb}}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00', 0x0}) getpeername$packet(0xffffffffffffffff, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000280)=0x14) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000380)={'syztnl1\x00', &(0x7f00000002c0)={'syztnl2\x00', 0x0, 0x8000, 0x7, 0x8, 0x4f, {{0x1d, 0x4, 0x0, 0x18, 0x74, 0x65, 0x0, 0x7, 0x29, 0x0, @dev={0xac, 0x14, 0x14, 0xa}, @empty, {[@noop, @timestamp_prespec={0x44, 0x1c, 0x46, 0x3, 0x5, [{@initdev={0xac, 0x1e, 0x1, 0x0}, 0x9}, {@empty, 0x20}, {@remote, 0x6}]}, @ssrr={0x89, 0x17, 0x1c, [@private=0xa010100, @rand_addr=0x64010100, @broadcast, @private=0xa010102, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @rr={0x7, 0x13, 0x8f, [@broadcast, @multicast2, @broadcast, @loopback]}, @lsrr={0x83, 0x17, 0xba, [@multicast1, @private=0xa010102, @local, @loopback, @rand_addr=0x64010102]}]}}}}}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000440)={0xffffffffffffffff, 0x58, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000480)={0x1c4, r1, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x4dda2b80b7107a15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x1c4}, 0x1, 0x0, 0x0, 0xc011}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) (async) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'gretap0\x00', &(0x7f0000000040)={'syztnl0\x00', 0x0, 0x10, 0x10, 0xffffffd0, 0x51cf, {{0x1b, 0x4, 0x2, 0xc, 0x6c, 0x66, 0x0, 0x2, 0x4, 0x0, @initdev={0xac, 0x1e, 0x1, 0x0}, @broadcast, {[@timestamp={0x44, 0xc, 0x6d, 0x0, 0x7, [0xeb, 0x7]}, @timestamp_addr={0x44, 0x24, 0x52, 0x1, 0x8, [{@multicast1, 0x100}, {@loopback, 0xffff}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x8}, {@rand_addr=0x64010101, 0x6}]}, @cipso={0x86, 0x28, 0x2, [{0x7, 0xa, "caf8932fdc69f56a"}, {0x2, 0x2}, {0x0, 0x12, "3955bbc9d0f478ffd1382a9ccbb7abda"}, {0x0, 0x4, "c5bc"}]}]}}}}}) (async) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000001c0)={'syztnl0\x00', &(0x7f0000000140)={'syztnl1\x00', 0x0, 0x0, 0x80, 0x0, 0xb46, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x40, 0x76ca08ed6a4b3453, 0xd6b3, 0xffffe7cb}}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) (async) getpeername$packet(0xffffffffffffffff, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000280)=0x14) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000380)={'syztnl1\x00', &(0x7f00000002c0)={'syztnl2\x00', 0x0, 0x8000, 0x7, 0x8, 0x4f, {{0x1d, 0x4, 0x0, 0x18, 0x74, 0x65, 0x0, 0x7, 0x29, 0x0, @dev={0xac, 0x14, 0x14, 0xa}, @empty, {[@noop, @timestamp_prespec={0x44, 0x1c, 0x46, 0x3, 0x5, [{@initdev={0xac, 0x1e, 0x1, 0x0}, 0x9}, {@empty, 0x20}, {@remote, 0x6}]}, @ssrr={0x89, 0x17, 0x1c, [@private=0xa010100, @rand_addr=0x64010100, @broadcast, @private=0xa010102, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @rr={0x7, 0x13, 0x8f, [@broadcast, @multicast2, @broadcast, @loopback]}, @lsrr={0x83, 0x17, 0xba, [@multicast1, @private=0xa010102, @local, @loopback, @rand_addr=0x64010102]}]}}}}}) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000440)={0xffffffffffffffff, 0x58, &(0x7f00000003c0)}, 0x10) (async) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000480)={0x1c4, r1, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x4dda2b80b7107a15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x1c4}, 0x1, 0x0, 0x0, 0xc011}, 0x0) (async) [ 2746.771965][ T4017] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2746.779760][ T4017] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2746.787569][ T4017] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2746.795384][ T4017] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2746.803191][ T4017] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, 0x0) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1900}, 0x0) 00:51:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1901}, 0x0) 00:51:15 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) setsockopt$bt_hci_HCI_DATA_DIR(r2, 0x0, 0x1, &(0x7f00000001c0)=0x4, 0x4) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000240)={@private0, 0x0, r1}) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000180)={@ifindex=r1, 0xe, 0x1, 0x5, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6, 0x0, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) (async) r3 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r3, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:15 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'gretap0\x00', &(0x7f0000000040)={'syztnl0\x00', 0x0, 0x10, 0x10, 0xffffffd0, 0x51cf, {{0x1b, 0x4, 0x2, 0xc, 0x6c, 0x66, 0x0, 0x2, 0x4, 0x0, @initdev={0xac, 0x1e, 0x1, 0x0}, @broadcast, {[@timestamp={0x44, 0xc, 0x6d, 0x0, 0x7, [0xeb, 0x7]}, @timestamp_addr={0x44, 0x24, 0x52, 0x1, 0x8, [{@multicast1, 0x100}, {@loopback, 0xffff}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x8}, {@rand_addr=0x64010101, 0x6}]}, @cipso={0x86, 0x28, 0x2, [{0x7, 0xa, "caf8932fdc69f56a"}, {0x2, 0x2}, {0x0, 0x12, "3955bbc9d0f478ffd1382a9ccbb7abda"}, {0x0, 0x4, "c5bc"}]}]}}}}}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f00000001c0)={'syztnl0\x00', &(0x7f0000000140)={'syztnl1\x00', 0x0, 0x0, 0x80, 0x0, 0xb46, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x40, 0x76ca08ed6a4b3453, 0xd6b3, 0xffffe7cb}}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00', 0x0}) (async) getpeername$packet(0xffffffffffffffff, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000280)=0x14) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000380)={'syztnl1\x00', &(0x7f00000002c0)={'syztnl2\x00', 0x0, 0x8000, 0x7, 0x8, 0x4f, {{0x1d, 0x4, 0x0, 0x18, 0x74, 0x65, 0x0, 0x7, 0x29, 0x0, @dev={0xac, 0x14, 0x14, 0xa}, @empty, {[@noop, @timestamp_prespec={0x44, 0x1c, 0x46, 0x3, 0x5, [{@initdev={0xac, 0x1e, 0x1, 0x0}, 0x9}, {@empty, 0x20}, {@remote, 0x6}]}, @ssrr={0x89, 0x17, 0x1c, [@private=0xa010100, @rand_addr=0x64010100, @broadcast, @private=0xa010102, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @rr={0x7, 0x13, 0x8f, [@broadcast, @multicast2, @broadcast, @loopback]}, @lsrr={0x83, 0x17, 0xba, [@multicast1, @private=0xa010102, @local, @loopback, @rand_addr=0x64010102]}]}}}}}) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000440)={0xffffffffffffffff, 0x58, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000480)={0x1c4, r1, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x4dda2b80b7107a15}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x1c4}, 0x1, 0x0, 0x0, 0xc011}, 0x0) [ 2746.875310][ T4047] FAULT_INJECTION: forcing a failure. [ 2746.875310][ T4047] name failslab, interval 1, probability 0, space 0, times 0 [ 2746.890451][ T4047] CPU: 1 PID: 4047 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2746.900528][ T4047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2746.910408][ T4047] Call Trace: [ 2746.913552][ T4047] dump_stack_lvl+0x1e2/0x24b [ 2746.918045][ T4047] ? panic+0x80b/0x80b [ 2746.921955][ T4047] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2746.927261][ T4047] ? find_next_bit+0xc7/0x100 [ 2746.931875][ T4047] dump_stack+0x15/0x17 [ 2746.935871][ T4047] should_fail+0x3c6/0x510 [ 2746.940125][ T4047] ? percpu_ref_init+0xad/0x310 [ 2746.944806][ T4047] __should_failslab+0xa4/0xe0 [ 2746.949408][ T4047] should_failslab+0x9/0x20 [ 2746.953749][ T4047] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2746.958869][ T4047] percpu_ref_init+0xad/0x310 [ 2746.963380][ T4047] ? blk_timeout_work+0x10/0x10 [ 2746.968073][ T4047] ? __kasan_check_write+0x14/0x20 [ 2746.973017][ T4047] blk_alloc_queue+0x444/0x640 [ 2746.977629][ T4047] blk_mq_init_queue+0x36/0xd0 [ 2746.982214][ T4047] loop_add+0x265/0x750 [ 2746.986207][ T4047] loop_control_ioctl+0x448/0x620 [ 2746.991072][ T4047] ? loop_remove+0xb0/0xb0 [ 2746.995321][ T4047] ? __fget_files+0x31e/0x380 [ 2746.999837][ T4047] ? security_file_ioctl+0x84/0xb0 [ 2747.004794][ T4047] ? loop_remove+0xb0/0xb0 [ 2747.009037][ T4047] __se_sys_ioctl+0x114/0x190 [ 2747.013558][ T4047] __x64_sys_ioctl+0x7b/0x90 [ 2747.017983][ T4047] do_syscall_64+0x34/0x70 [ 2747.022228][ T4047] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2747.027953][ T4047] RIP: 0033:0x7f21011fbba9 [ 2747.032203][ T4047] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2747.051649][ T4047] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2747.059895][ T4047] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2747.067699][ T4047] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:15 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, 0x0) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1902}, 0x0) [ 2747.075512][ T4047] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2747.083510][ T4047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2747.091311][ T4047] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:15 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 21) 00:51:15 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, 0x0) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x1c800, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x2080c0, 0x0) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x80080) ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f00000000c0)=0x80000001) 00:51:15 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x1c800, 0x0) (async, rerun: 64) openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x2080c0, 0x0) (rerun: 64) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x80080) ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f00000000c0)=0x80000001) 00:51:15 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000003c923d884135203f37b036ea10f829af72e03dd1d5a7912ec58308f911be6067210d582efda73eaf6dc56dbcb1415d6fc954bda5103e30dab2e1efd0cbff2e481931deb6a9fd1e8bbf2a59cb999033cc32ba90c46f9adba61a3083322a17a9acca1c141d724b8927272f82cb617b49c8d2241d030f53cf23bcde3a9942dae45586dc1b5b5b3b338329e4c9955fa45cb400192a5a647782c6876c1ebc40cab9b51619e363eb58c759cef703723eb4de6087c2f7bf57ee28a72cf7d752e97bbd0379d2b8e1"]) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f0000000040)=0x7) 00:51:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1903}, 0x0) [ 2747.155564][ T4082] FAULT_INJECTION: forcing a failure. [ 2747.155564][ T4082] name failslab, interval 1, probability 0, space 0, times 0 [ 2747.168892][ T4082] CPU: 0 PID: 4082 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2747.178953][ T4082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2747.188851][ T4082] Call Trace: [ 2747.191968][ T4082] dump_stack_lvl+0x1e2/0x24b [ 2747.196476][ T4082] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2747.201771][ T4082] dump_stack+0x15/0x17 [ 2747.205768][ T4082] should_fail+0x3c6/0x510 [ 2747.210023][ T4082] ? blkg_alloc+0x6f/0x550 [ 2747.214269][ T4082] __should_failslab+0xa4/0xe0 [ 2747.218869][ T4082] should_failslab+0x9/0x20 [ 2747.223205][ T4082] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2747.228328][ T4082] blkg_alloc+0x6f/0x550 [ 2747.232411][ T4082] ? kmem_cache_alloc_trace+0x18a/0x2e0 [ 2747.237806][ T4082] ? percpu_ref_init+0xad/0x310 [ 2747.242491][ T4082] blkcg_init_queue+0x2d/0x320 [ 2747.247083][ T4082] blk_alloc_queue+0x49f/0x640 [ 2747.251674][ T4082] blk_mq_init_queue+0x36/0xd0 [ 2747.256279][ T4082] loop_add+0x265/0x750 [ 2747.260280][ T4082] loop_control_ioctl+0x448/0x620 [ 2747.265225][ T4082] ? loop_remove+0xb0/0xb0 [ 2747.269563][ T4082] ? __fget_files+0x31e/0x380 [ 2747.274072][ T4082] ? security_file_ioctl+0x84/0xb0 [ 2747.279018][ T4082] ? loop_remove+0xb0/0xb0 [ 2747.283269][ T4082] __se_sys_ioctl+0x114/0x190 [ 2747.287789][ T4082] __x64_sys_ioctl+0x7b/0x90 [ 2747.292221][ T4082] do_syscall_64+0x34/0x70 [ 2747.296483][ T4082] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2747.302274][ T4082] RIP: 0033:0x7f21011fbba9 [ 2747.306527][ T4082] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2747.326116][ T4082] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2747.334304][ T4082] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2747.342110][ T4082] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:15 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x0, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1a00}, 0x0) 00:51:15 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 22) [ 2747.350181][ T4082] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2747.357988][ T4082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2747.365802][ T4082] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:15 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:15 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x1c800, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000000000), 0x2080c0, 0x0) (async, rerun: 32) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x80080) (rerun: 32) ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f00000000c0)=0x80000001) 00:51:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1a01}, 0x0) [ 2747.442094][ T4105] FAULT_INJECTION: forcing a failure. [ 2747.442094][ T4105] name failslab, interval 1, probability 0, space 0, times 0 [ 2747.461013][ T4105] CPU: 0 PID: 4105 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2747.471081][ T4105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2747.481061][ T4105] Call Trace: [ 2747.484207][ T4105] dump_stack_lvl+0x1e2/0x24b [ 2747.488722][ T4105] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2747.494011][ T4105] ? find_next_bit+0xc7/0x100 [ 2747.498516][ T4105] ? cpumask_next+0x11/0x30 [ 2747.502959][ T4105] dump_stack+0x15/0x17 [ 2747.507037][ T4105] should_fail+0x3c6/0x510 [ 2747.511283][ T4105] ? percpu_ref_init+0xad/0x310 [ 2747.516055][ T4105] __should_failslab+0xa4/0xe0 [ 2747.520658][ T4105] should_failslab+0x9/0x20 [ 2747.525084][ T4105] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2747.530314][ T4105] percpu_ref_init+0xad/0x310 [ 2747.534919][ T4105] ? blk_cgroup_bio_start+0x320/0x320 [ 2747.540126][ T4105] ? blkg_alloc+0x6f/0x550 [ 2747.544384][ T4105] blkg_alloc+0x8c/0x550 [ 2747.548460][ T4105] ? kmem_cache_alloc_trace+0x18a/0x2e0 [ 2747.553842][ T4105] ? percpu_ref_init+0xad/0x310 [ 2747.558529][ T4105] blkcg_init_queue+0x2d/0x320 [ 2747.563129][ T4105] blk_alloc_queue+0x49f/0x640 [ 2747.567733][ T4105] blk_mq_init_queue+0x36/0xd0 [ 2747.572315][ T4105] loop_add+0x265/0x750 [ 2747.576307][ T4105] loop_control_ioctl+0x448/0x620 [ 2747.581161][ T4105] ? loop_remove+0xb0/0xb0 [ 2747.585423][ T4105] ? __fget_files+0x31e/0x380 [ 2747.589944][ T4105] ? security_file_ioctl+0x84/0xb0 [ 2747.595053][ T4105] ? loop_remove+0xb0/0xb0 [ 2747.599302][ T4105] __se_sys_ioctl+0x114/0x190 [ 2747.603820][ T4105] __x64_sys_ioctl+0x7b/0x90 [ 2747.608246][ T4105] do_syscall_64+0x34/0x70 [ 2747.612517][ T4105] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2747.618226][ T4105] RIP: 0033:0x7f21011fbba9 [ 2747.622592][ T4105] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:15 executing program 1: r0 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, 0x0, @host}, 0x10, 0x100000) socketpair(0x22, 0x80a, 0x309, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000340)={r4, 0x1, 0x6, @local}, 0x10) accept4$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x0, @hyper}, 0x10, 0x80000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r7 = socket(0x18, 0x6, 0xffff) sendmsg$GTP_CMD_NEWPDP(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000d80)=ANY=[@ANYRESHEX=r0, @ANYRES16=0x0, @ANYBLOB="00032abd7000fedbdf25000000000600020000aa83a6c633f2feb0300004009aae3c34020d53d006725c08f3073fcf1039fd9b5cc6916879f7c6df801d74c2fe6022715b061007de89a2fb24d8d7de"], 0x1c}, 0x1, 0x0, 0x0, 0x20000802}, 0x4) syz_genetlink_get_family_id$ethtool(0x0, r5) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r9 = syz_genetlink_get_family_id$ethtool(0x0, r8) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r10, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r11, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) r13 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCSIFADDR(r13, 0x8916, &(0x7f0000000600)={@dev={0xfe, 0x80, '\x00', 0x1b}, 0x26, r4}) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000480)={'team0\x00', 0x0}) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r15) sendmsg$IPVS_CMD_FLUSH(r15, &(0x7f0000000900)={&(0x7f0000000840), 0xc, &(0x7f00000008c0)={&(0x7f0000000880)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x1c}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r5, 0x89f1, &(0x7f00000005c0)={'ip_vti0\x00', &(0x7f00000004c0)={'ip_vti0\x00', 0x0, 0x80, 0x40, 0x6, 0xc000000, {{0x26, 0x4, 0x3, 0x3d, 0x98, 0x68, 0x0, 0x6, 0x4, 0x0, @empty, @multicast1, {[@cipso={0x86, 0x6, 0x3}, @generic={0x1c4, 0x4, "0324"}, @timestamp_addr={0x44, 0x24, 0xa6, 0x1, 0x2, [{@dev={0xac, 0x14, 0x14, 0x19}, 0x4}, {@rand_addr=0x64010101, 0x4}, {@dev={0xac, 0x14, 0x14, 0x44}, 0x9}, {@loopback, 0x1}]}, @cipso={0x86, 0x24, 0x2, [{0x6, 0xa, "3818c3e6548d5537"}, {0x5, 0x4, "aec1"}, {0x6, 0x10, "421726be834ab8975a4a1577477c"}]}, @timestamp={0x44, 0x4, 0x3f, 0x0, 0x1}, @cipso={0x86, 0x2e, 0x2, [{0x6, 0x11, "2dcc46eba203a269de9ec2d1d9173b"}, {0x0, 0xe, "69f52a6dd9cdbd5486029db3"}, {0x5, 0x9, "035cf820d99a9f"}]}]}}}}}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000680)={'gretap0\x00', &(0x7f0000000940)=ANY=[@ANYBLOB='si\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\t\f\x00\x00\x00\x00', @ANYRES32=r4, @ANYBLOB="0010008000007fff000000024ab5002800680000022f9078e0000001ac1414aa861282abab5265bcae87372186b0c58990410000"]}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r12, &(0x7f0000000800)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000007c0)={&(0x7f00000006c0)={0xd4, r9, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r14}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r16}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r17}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40}, 0x0) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(0xffffffffffffffff, &(0x7f00000013c0)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000001380)={&(0x7f0000000a80)=ANY=[@ANYBLOB="ac020000", @ANYRES16=0x0, @ANYBLOB="000028bd7000fddbdf250d00000014000180080003000100000008000300000000000c00018008000100", @ANYRES32=r4, @ANYBLOB="88090000000000000000000014000200677265300000000000000000000000000800010059071c53fd8ad5d2b6ee4e4879616c4bb72d8614442f661700"/76, @ANYRES32=r4, @ANYBLOB="14000200626f6e645f736c6176655f31000000001400020070696d3672656730000000000000000014000200766972745f7769666930000000000000080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="1400020076657468305f6d61637674617000000030000180080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="140002000000000000000000000000000000000008000100", @ANYRES32=0x0, @ANYBLOB="3400018014000200726f73653000000000000000000000001400020070696d3672656730000000000000000008000300010000003c0001801400020076657468315f746f5f6272696467650008000100", @ANYRES32=r14, @ANYBLOB="1400020076657468315f766972745f776966690008000300010000005c0001801400020076657468305f746f5f627269646765001400020069703667726530000000000000000000080003000300000008000100", @ANYRES32=0x0, @ANYBLOB="080003000300000008000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="3c0001801400020076657468315f746f5f6873720000000008000100", @ANYRES32=r16, @ANYBLOB="1400020076657468315f746f5f62617461647600080003000000000054000180080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="14000200766972745f776966693000000000000008000100", @ANYRES32=r4, @ANYBLOB="1400020076657468305f746f5f626f6e64000000080003000100000064000180080003000100000008000300010000000800030002000000080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="14000200677265300000000000000000000000001400020076657468305f746f5f6873720000000008000300000000000800030000000000"], 0x2ac}, 0x1, 0x0, 0x0, 0x10}, 0x4004000) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000f40)=ANY=[@ANYBLOB="23d4523761e95261b6f3", @ANYBLOB="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", @ANYRES64, @ANYRES16, @ANYRES16=r11], 0x24}, 0x1, 0x0, 0x0, 0x20004044}, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000140), r8) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:15 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x0, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2747.642436][ T4105] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2747.650785][ T4105] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2747.658577][ T4105] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2747.666474][ T4105] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2747.674282][ T4105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2747.682094][ T4105] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:16 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000003c923d884135203f37b036ea10f829af72e03dd1d5a7912ec58308f911be6067210d582efda73eaf6dc56dbcb1415d6fc954bda5103e30dab2e1efd0cbff2e481931deb6a9fd1e8bbf2a59cb999033cc32ba90c46f9adba61a3083322a17a9acca1c141d724b8927272f82cb617b49c8d2241d030f53cf23bcde3a9942dae45586dc1b5b5b3b338329e4c9955fa45cb400192a5a647782c6876c1ebc40cab9b51619e363eb58c759cef703723eb4de6087c2f7bf57ee28a72cf7d752e97bbd0379d2b8e1"]) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f0000000040)=0x7) 00:51:16 executing program 1: r0 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, 0x0, @host}, 0x10, 0x100000) (async) socketpair(0x22, 0x80a, 0x309, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 64) r3 = socket$inet6_udp(0xa, 0x2, 0x0) (rerun: 64) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) (async) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000340)={r4, 0x1, 0x6, @local}, 0x10) (async) accept4$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x0, @hyper}, 0x10, 0x80000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) (async) r7 = socket(0x18, 0x6, 0xffff) sendmsg$GTP_CMD_NEWPDP(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000d80)=ANY=[@ANYRESHEX=r0, @ANYRES16=0x0, @ANYBLOB="00032abd7000fedbdf25000000000600020000aa83a6c633f2feb0300004009aae3c34020d53d006725c08f3073fcf1039fd9b5cc6916879f7c6df801d74c2fe6022715b061007de89a2fb24d8d7de"], 0x1c}, 0x1, 0x0, 0x0, 0x20000802}, 0x4) syz_genetlink_get_family_id$ethtool(0x0, r5) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r9 = syz_genetlink_get_family_id$ethtool(0x0, r8) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r10, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r11, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) (async) r13 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCSIFADDR(r13, 0x8916, &(0x7f0000000600)={@dev={0xfe, 0x80, '\x00', 0x1b}, 0x26, r4}) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000480)={'team0\x00', 0x0}) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r15) sendmsg$IPVS_CMD_FLUSH(r15, &(0x7f0000000900)={&(0x7f0000000840), 0xc, &(0x7f00000008c0)={&(0x7f0000000880)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x1c}}, 0x0) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r5, 0x89f1, &(0x7f00000005c0)={'ip_vti0\x00', &(0x7f00000004c0)={'ip_vti0\x00', 0x0, 0x80, 0x40, 0x6, 0xc000000, {{0x26, 0x4, 0x3, 0x3d, 0x98, 0x68, 0x0, 0x6, 0x4, 0x0, @empty, @multicast1, {[@cipso={0x86, 0x6, 0x3}, @generic={0x1c4, 0x4, "0324"}, @timestamp_addr={0x44, 0x24, 0xa6, 0x1, 0x2, [{@dev={0xac, 0x14, 0x14, 0x19}, 0x4}, {@rand_addr=0x64010101, 0x4}, {@dev={0xac, 0x14, 0x14, 0x44}, 0x9}, {@loopback, 0x1}]}, @cipso={0x86, 0x24, 0x2, [{0x6, 0xa, "3818c3e6548d5537"}, {0x5, 0x4, "aec1"}, {0x6, 0x10, "421726be834ab8975a4a1577477c"}]}, @timestamp={0x44, 0x4, 0x3f, 0x0, 0x1}, @cipso={0x86, 0x2e, 0x2, [{0x6, 0x11, "2dcc46eba203a269de9ec2d1d9173b"}, {0x0, 0xe, "69f52a6dd9cdbd5486029db3"}, {0x5, 0x9, "035cf820d99a9f"}]}]}}}}}) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000680)={'gretap0\x00', &(0x7f0000000940)=ANY=[@ANYBLOB='si\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\t\f\x00\x00\x00\x00', @ANYRES32=r4, @ANYBLOB="0010008000007fff000000024ab5002800680000022f9078e0000001ac1414aa861282abab5265bcae87372186b0c58990410000"]}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r12, &(0x7f0000000800)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000007c0)={&(0x7f00000006c0)={0xd4, r9, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r14}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r16}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r17}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40}, 0x0) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(0xffffffffffffffff, &(0x7f00000013c0)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000001380)={&(0x7f0000000a80)=ANY=[@ANYBLOB="ac020000", @ANYRES16=0x0, @ANYBLOB="000028bd7000fddbdf250d00000014000180080003000100000008000300000000000c00018008000100", @ANYRES32=r4, @ANYBLOB="88090000000000000000000014000200677265300000000000000000000000000800010059071c53fd8ad5d2b6ee4e4879616c4bb72d8614442f661700"/76, @ANYRES32=r4, @ANYBLOB="14000200626f6e645f736c6176655f31000000001400020070696d3672656730000000000000000014000200766972745f7769666930000000000000080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="1400020076657468305f6d61637674617000000030000180080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="140002000000000000000000000000000000000008000100", @ANYRES32=0x0, @ANYBLOB="3400018014000200726f73653000000000000000000000001400020070696d3672656730000000000000000008000300010000003c0001801400020076657468315f746f5f6272696467650008000100", @ANYRES32=r14, @ANYBLOB="1400020076657468315f766972745f776966690008000300010000005c0001801400020076657468305f746f5f627269646765001400020069703667726530000000000000000000080003000300000008000100", @ANYRES32=0x0, @ANYBLOB="080003000300000008000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="3c0001801400020076657468315f746f5f6873720000000008000100", @ANYRES32=r16, @ANYBLOB="1400020076657468315f746f5f62617461647600080003000000000054000180080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="14000200766972745f776966693000000000000008000100", @ANYRES32=r4, @ANYBLOB="1400020076657468305f746f5f626f6e64000000080003000100000064000180080003000100000008000300010000000800030002000000080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="14000200677265300000000000000000000000001400020076657468305f746f5f6873720000000008000300000000000800030000000000"], 0x2ac}, 0x1, 0x0, 0x0, 0x10}, 0x4004000) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000f40)=ANY=[@ANYBLOB="23d4523761e95261b6f3", @ANYBLOB="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", @ANYRES64, @ANYRES16, @ANYRES16=r11], 0x24}, 0x1, 0x0, 0x0, 0x20004044}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$team(&(0x7f0000000140), r8) (async, rerun: 32) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:16 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r8 = ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:16 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 23) 00:51:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1a02}, 0x0) 00:51:16 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x0, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:16 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x0, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:16 executing program 1: r0 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, 0x0, @host}, 0x10, 0x100000) socketpair(0x22, 0x80a, 0x309, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) socket$inet6_udp(0xa, 0x2, 0x0) (async) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) (async) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000340)={r4, 0x1, 0x6, @local}, 0x10) accept4$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x0, @hyper}, 0x10, 0x80000) pipe2(&(0x7f00000009c0), 0x0) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket(0x18, 0x6, 0xffff) (async) r7 = socket(0x18, 0x6, 0xffff) sendmsg$GTP_CMD_NEWPDP(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000d80)=ANY=[@ANYRESHEX=r0, @ANYRES16=0x0, @ANYBLOB="00032abd7000fedbdf25000000000600020000aa83a6c633f2feb0300004009aae3c34020d53d006725c08f3073fcf1039fd9b5cc6916879f7c6df801d74c2fe6022715b061007de89a2fb24d8d7de"], 0x1c}, 0x1, 0x0, 0x0, 0x20000802}, 0x4) syz_genetlink_get_family_id$ethtool(0x0, r5) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r8) (async) r9 = syz_genetlink_get_family_id$ethtool(0x0, r8) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r10, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r11, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) (async) sendmsg$ETHTOOL_MSG_STRSET_GET(r10, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r11, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}]}, @ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x44}}, 0x0) r12 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_udplite(0xa, 0x2, 0x88) (async) r13 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCSIFADDR(r13, 0x8916, &(0x7f0000000600)={@dev={0xfe, 0x80, '\x00', 0x1b}, 0x26, r4}) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000480)={'team0\x00', 0x0}) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r15) sendmsg$IPVS_CMD_FLUSH(r15, &(0x7f0000000900)={&(0x7f0000000840), 0xc, &(0x7f00000008c0)={&(0x7f0000000880)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}]}, 0x1c}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r5, 0x89f1, &(0x7f00000005c0)={'ip_vti0\x00', &(0x7f00000004c0)={'ip_vti0\x00', 0x0, 0x80, 0x40, 0x6, 0xc000000, {{0x26, 0x4, 0x3, 0x3d, 0x98, 0x68, 0x0, 0x6, 0x4, 0x0, @empty, @multicast1, {[@cipso={0x86, 0x6, 0x3}, @generic={0x1c4, 0x4, "0324"}, @timestamp_addr={0x44, 0x24, 0xa6, 0x1, 0x2, [{@dev={0xac, 0x14, 0x14, 0x19}, 0x4}, {@rand_addr=0x64010101, 0x4}, {@dev={0xac, 0x14, 0x14, 0x44}, 0x9}, {@loopback, 0x1}]}, @cipso={0x86, 0x24, 0x2, [{0x6, 0xa, "3818c3e6548d5537"}, {0x5, 0x4, "aec1"}, {0x6, 0x10, "421726be834ab8975a4a1577477c"}]}, @timestamp={0x44, 0x4, 0x3f, 0x0, 0x1}, @cipso={0x86, 0x2e, 0x2, [{0x6, 0x11, "2dcc46eba203a269de9ec2d1d9173b"}, {0x0, 0xe, "69f52a6dd9cdbd5486029db3"}, {0x5, 0x9, "035cf820d99a9f"}]}]}}}}}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000680)={'gretap0\x00', &(0x7f0000000940)=ANY=[@ANYBLOB='si\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\t\f\x00\x00\x00\x00', @ANYRES32=r4, @ANYBLOB="0010008000007fff000000024ab5002800680000022f9078e0000001ac1414aa861282abab5265bcae87372186b0c58990410000"]}) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000680)={'gretap0\x00', &(0x7f0000000940)=ANY=[@ANYBLOB='si\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\t\f\x00\x00\x00\x00', @ANYRES32=r4, @ANYBLOB="0010008000007fff000000024ab5002800680000022f9078e0000001ac1414aa861282abab5265bcae87372186b0c58990410000"]}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r12, &(0x7f0000000800)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000007c0)={&(0x7f00000006c0)={0xd4, r9, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r14}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r16}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r17}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r12, &(0x7f0000000800)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000007c0)={&(0x7f00000006c0)={0xd4, r9, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r14}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_vlan\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r16}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r17}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40}, 0x0) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(0xffffffffffffffff, &(0x7f00000013c0)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000001380)={&(0x7f0000000a80)=ANY=[@ANYBLOB="ac020000", @ANYRES16=0x0, @ANYBLOB="000028bd7000fddbdf250d00000014000180080003000100000008000300000000000c00018008000100", @ANYRES32=r4, @ANYBLOB="88090000000000000000000014000200677265300000000000000000000000000800010059071c53fd8ad5d2b6ee4e4879616c4bb72d8614442f661700"/76, @ANYRES32=r4, @ANYBLOB="14000200626f6e645f736c6176655f31000000001400020070696d3672656730000000000000000014000200766972745f7769666930000000000000080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="1400020076657468305f6d61637674617000000030000180080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="140002000000000000000000000000000000000008000100", @ANYRES32=0x0, @ANYBLOB="3400018014000200726f73653000000000000000000000001400020070696d3672656730000000000000000008000300010000003c0001801400020076657468315f746f5f6272696467650008000100", @ANYRES32=r14, @ANYBLOB="1400020076657468315f766972745f776966690008000300010000005c0001801400020076657468305f746f5f627269646765001400020069703667726530000000000000000000080003000300000008000100", @ANYRES32=0x0, @ANYBLOB="080003000300000008000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="3c0001801400020076657468315f746f5f6873720000000008000100", @ANYRES32=r16, @ANYBLOB="1400020076657468315f746f5f62617461647600080003000000000054000180080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="14000200766972745f776966693000000000000008000100", @ANYRES32=r4, @ANYBLOB="1400020076657468305f746f5f626f6e64000000080003000100000064000180080003000100000008000300010000000800030002000000080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="14000200677265300000000000000000000000001400020076657468305f746f5f6873720000000008000300000000000800030000000000"], 0x2ac}, 0x1, 0x0, 0x0, 0x10}, 0x4004000) (async) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(0xffffffffffffffff, &(0x7f00000013c0)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000001380)={&(0x7f0000000a80)=ANY=[@ANYBLOB="ac020000", @ANYRES16=0x0, @ANYBLOB="000028bd7000fddbdf250d00000014000180080003000100000008000300000000000c00018008000100", @ANYRES32=r4, @ANYBLOB="88090000000000000000000014000200677265300000000000000000000000000800010059071c53fd8ad5d2b6ee4e4879616c4bb72d8614442f661700"/76, @ANYRES32=r4, @ANYBLOB="14000200626f6e645f736c6176655f31000000001400020070696d3672656730000000000000000014000200766972745f7769666930000000000000080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="1400020076657468305f6d61637674617000000030000180080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="140002000000000000000000000000000000000008000100", @ANYRES32=0x0, @ANYBLOB="3400018014000200726f73653000000000000000000000001400020070696d3672656730000000000000000008000300010000003c0001801400020076657468315f746f5f6272696467650008000100", @ANYRES32=r14, @ANYBLOB="1400020076657468315f766972745f776966690008000300010000005c0001801400020076657468305f746f5f627269646765001400020069703667726530000000000000000000080003000300000008000100", @ANYRES32=0x0, @ANYBLOB="080003000300000008000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="3c0001801400020076657468315f746f5f6873720000000008000100", @ANYRES32=r16, @ANYBLOB="1400020076657468315f746f5f62617461647600080003000000000054000180080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="14000200766972745f776966693000000000000008000100", @ANYRES32=r4, @ANYBLOB="1400020076657468305f746f5f626f6e64000000080003000100000064000180080003000100000008000300010000000800030002000000080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="14000200677265300000000000000000000000001400020076657468305f746f5f6873720000000008000300000000000800030000000000"], 0x2ac}, 0x1, 0x0, 0x0, 0x10}, 0x4004000) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000f40)=ANY=[@ANYBLOB="23d4523761e95261b6f3", @ANYBLOB="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", @ANYRES64, @ANYRES16, @ANYRES16=r11], 0x24}, 0x1, 0x0, 0x0, 0x20004044}, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000140), r8) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2747.899412][ T4125] FAULT_INJECTION: forcing a failure. [ 2747.899412][ T4125] name failslab, interval 1, probability 0, space 0, times 0 [ 2747.917274][ T4125] CPU: 0 PID: 4125 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2747.927679][ T4125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2747.937569][ T4125] Call Trace: [ 2747.940916][ T4125] dump_stack_lvl+0x1e2/0x24b [ 2747.945423][ T4125] ? panic+0x80b/0x80b [ 2747.949321][ T4125] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2747.954676][ T4125] ? cpumask_next+0x11/0x30 [ 2747.958959][ T4125] dump_stack+0x15/0x17 [ 2747.962951][ T4125] should_fail+0x3c6/0x510 [ 2747.967202][ T4125] ? blk_ioprio_init+0x54/0x200 [ 2747.971897][ T4125] __should_failslab+0xa4/0xe0 [ 2747.976585][ T4125] should_failslab+0x9/0x20 [ 2747.981050][ T4125] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2747.986159][ T4125] blk_ioprio_init+0x54/0x200 [ 2747.990782][ T4125] ? blkcg_init_queue+0x186/0x320 [ 2747.995710][ T4125] blkcg_init_queue+0x191/0x320 [ 2748.000407][ T4125] blk_alloc_queue+0x49f/0x640 [ 2748.005143][ T4125] blk_mq_init_queue+0x36/0xd0 [ 2748.009721][ T4125] loop_add+0x265/0x750 [ 2748.013726][ T4125] loop_control_ioctl+0x448/0x620 [ 2748.018569][ T4125] ? loop_remove+0xb0/0xb0 [ 2748.022822][ T4125] ? __fget_files+0x31e/0x380 [ 2748.027350][ T4125] ? security_file_ioctl+0x84/0xb0 [ 2748.032290][ T4125] ? loop_remove+0xb0/0xb0 [ 2748.036532][ T4125] __se_sys_ioctl+0x114/0x190 [ 2748.041049][ T4125] __x64_sys_ioctl+0x7b/0x90 [ 2748.045472][ T4125] do_syscall_64+0x34/0x70 [ 2748.049847][ T4125] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2748.055563][ T4125] RIP: 0033:0x7f21011fbba9 [ 2748.059888][ T4125] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2748.080042][ T4125] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2748.088369][ T4125] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1a03}, 0x0) 00:51:16 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 24) 00:51:16 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:16 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x0, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2748.096197][ T4125] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2748.104160][ T4125] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2748.111984][ T4125] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2748.119773][ T4125] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2748.175153][ T4151] FAULT_INJECTION: forcing a failure. [ 2748.175153][ T4151] name failslab, interval 1, probability 0, space 0, times 0 [ 2748.187592][ T4151] CPU: 1 PID: 4151 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2748.197640][ T4151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2748.207702][ T4151] Call Trace: [ 2748.210843][ T4151] dump_stack_lvl+0x1e2/0x24b [ 2748.215713][ T4151] ? panic+0x80b/0x80b [ 2748.219613][ T4151] ? loop_add+0x265/0x750 [ 2748.223779][ T4151] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2748.229072][ T4151] ? do_syscall_64+0x34/0x70 [ 2748.233490][ T4151] dump_stack+0x15/0x17 [ 2748.237732][ T4151] should_fail+0x3c6/0x510 [ 2748.242006][ T4151] ? ioprio_alloc_pd+0x58/0x60 [ 2748.246608][ T4151] __should_failslab+0xa4/0xe0 [ 2748.251204][ T4151] should_failslab+0x9/0x20 [ 2748.255545][ T4151] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2748.260676][ T4151] ? ioprio_free_cpd+0x20/0x20 [ 2748.265270][ T4151] ioprio_alloc_pd+0x58/0x60 [ 2748.269697][ T4151] blkcg_activate_policy+0x243/0xe00 [ 2748.274816][ T4151] blk_ioprio_init+0x6e/0x200 [ 2748.279381][ T4151] ? blkcg_init_queue+0x186/0x320 [ 2748.284185][ T4151] blkcg_init_queue+0x191/0x320 [ 2748.289023][ T4151] blk_alloc_queue+0x49f/0x640 [ 2748.293593][ T4151] blk_mq_init_queue+0x36/0xd0 [ 2748.298188][ T4151] loop_add+0x265/0x750 [ 2748.302179][ T4151] loop_control_ioctl+0x448/0x620 [ 2748.307054][ T4151] ? loop_remove+0xb0/0xb0 [ 2748.311303][ T4151] ? __fget_files+0x31e/0x380 [ 2748.316006][ T4151] ? security_file_ioctl+0x84/0xb0 [ 2748.320935][ T4151] ? loop_remove+0xb0/0xb0 [ 2748.325179][ T4151] __se_sys_ioctl+0x114/0x190 [ 2748.329779][ T4151] __x64_sys_ioctl+0x7b/0x90 [ 2748.334216][ T4151] do_syscall_64+0x34/0x70 [ 2748.338468][ T4151] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2748.344985][ T4151] RIP: 0033:0x7f21011fbba9 [ 2748.349221][ T4151] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2748.369245][ T4151] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2748.377490][ T4151] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2748.385290][ T4151] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2748.393104][ T4151] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2748.400999][ T4151] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2748.408819][ T4151] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:16 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000003c923d884135203f37b036ea10f829af72e03dd1d5a7912ec58308f911be6067210d582efda73eaf6dc56dbcb1415d6fc954bda5103e30dab2e1efd0cbff2e481931deb6a9fd1e8bbf2a59cb999033cc32ba90c46f9adba61a3083322a17a9acca1c141d724b8927272f82cb617b49c8d2241d030f53cf23bcde3a9942dae45586dc1b5b5b3b338329e4c9955fa45cb400192a5a647782c6876c1ebc40cab9b51619e363eb58c759cef703723eb4de6087c2f7bf57ee28a72cf7d752e97bbd0379d2b8e1"]) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f0000000040)=0x7) 00:51:16 executing program 1: bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000002340)={{0xffffffffffffffff, 0xffffffffffffffff}, &(0x7f00000022c0), &(0x7f0000002300)}, 0x20) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000002480)={@map=r0, 0x0, 0x0, 0x1, &(0x7f0000002380)=[0x0, 0x0, 0x0, 0x0], 0x4, 0x0, &(0x7f00000023c0)=[0x0, 0x0, 0x0], &(0x7f0000002400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000002440)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg2\x00', 0x0}) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000002280)={&(0x7f0000000040), 0xc, &(0x7f0000002240)={&(0x7f00000000c0)={0x2164, 0x13, 0x300, 0x70bd28, 0x4, {0xf, 0x0, 0x1, 0x1, {0x4e23, 0x4e24, [0x800, 0x10001, 0x1, 0x5], [0x400, 0x4, 0xc52, 0x67ec8f5f], r1, [0x6, 0x8]}, 0x401, 0x9}, [@INET_DIAG_REQ_BYTECODE={0x1b, 0x1, "8011bddac7a97f030a82855d1e116a3b09fdf68f3e7906"}, @INET_DIAG_REQ_BYTECODE={0x7a, 0x1, "9bab598765c3f8aecc8efff1297a992c61ab9466c1cc3ab0d8b25c3dbd7e077549d9eabfc52b505b246315ac5c371723d1bc1df0426c1dee9029d2a46f5244c5ded6f77858d503da9de4fa1300a38f461950be63cfd3bb8822d3dd6277c6f89a722888100c31c5b31c23b46916fa5e43d19364132250"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x58, 0x1, "40ff0d92cfbf059694cd2a8ec4e96ebdd1f5584558a78b6f582a89b40b09f83f308d1db9647854d9e08480f7e950d8aa86637ccde8638c28e95f309337760f72fc412ae0c094507dd65f78d01f9c3504bee467d6"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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@INET_DIAG_REQ_BYTECODE={0x20, 0x1, "62bb1edbbff7932d7d3831696cbdbddd54d3dac798c437b38fe0695d"}]}, 0x2164}, 0x1, 0x0, 0x0, 0x44}, 0x11) 00:51:16 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1b00}, 0x0) 00:51:16 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 25) 00:51:16 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x0, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:16 executing program 1: bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000002340)={{0xffffffffffffffff, 0xffffffffffffffff}, &(0x7f00000022c0), &(0x7f0000002300)}, 0x20) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000002480)={@map=r0, 0x0, 0x0, 0x1, &(0x7f0000002380)=[0x0, 0x0, 0x0, 0x0], 0x4, 0x0, &(0x7f00000023c0)=[0x0, 0x0, 0x0], &(0x7f0000002400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000002440)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg2\x00', 0x0}) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000002280)={&(0x7f0000000040), 0xc, &(0x7f0000002240)={&(0x7f00000000c0)={0x2164, 0x13, 0x300, 0x70bd28, 0x4, {0xf, 0x0, 0x1, 0x1, {0x4e23, 0x4e24, [0x800, 0x10001, 0x1, 0x5], [0x400, 0x4, 0xc52, 0x67ec8f5f], r1, [0x6, 0x8]}, 0x401, 0x9}, [@INET_DIAG_REQ_BYTECODE={0x1b, 0x1, "8011bddac7a97f030a82855d1e116a3b09fdf68f3e7906"}, @INET_DIAG_REQ_BYTECODE={0x7a, 0x1, "9bab598765c3f8aecc8efff1297a992c61ab9466c1cc3ab0d8b25c3dbd7e077549d9eabfc52b505b246315ac5c371723d1bc1df0426c1dee9029d2a46f5244c5ded6f77858d503da9de4fa1300a38f461950be63cfd3bb8822d3dd6277c6f89a722888100c31c5b31c23b46916fa5e43d19364132250"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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"}, @INET_DIAG_REQ_BYTECODE={0x58, 0x1, "40ff0d92cfbf059694cd2a8ec4e96ebdd1f5584558a78b6f582a89b40b09f83f308d1db9647854d9e08480f7e950d8aa86637ccde8638c28e95f309337760f72fc412ae0c094507dd65f78d01f9c3504bee467d6"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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@INET_DIAG_REQ_BYTECODE={0x20, 0x1, "62bb1edbbff7932d7d3831696cbdbddd54d3dac798c437b38fe0695d"}]}, 0x2164}, 0x1, 0x0, 0x0, 0x44}, 0x11) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000002340)={{}, &(0x7f00000022c0), &(0x7f0000002300)}, 0x20) (async) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000002480)={@map=r0, 0x0, 0x0, 0x1, &(0x7f0000002380)=[0x0, 0x0, 0x0, 0x0], 0x4, 0x0, &(0x7f00000023c0)=[0x0, 0x0, 0x0], &(0x7f0000002400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000002440)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg2\x00'}) (async) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000002280)={&(0x7f0000000040), 0xc, &(0x7f0000002240)={&(0x7f00000000c0)={0x2164, 0x13, 0x300, 0x70bd28, 0x4, {0xf, 0x0, 0x1, 0x1, {0x4e23, 0x4e24, [0x800, 0x10001, 0x1, 0x5], [0x400, 0x4, 0xc52, 0x67ec8f5f], r1, [0x6, 0x8]}, 0x401, 0x9}, [@INET_DIAG_REQ_BYTECODE={0x1b, 0x1, "8011bddac7a97f030a82855d1e116a3b09fdf68f3e7906"}, @INET_DIAG_REQ_BYTECODE={0x7a, 0x1, "9bab598765c3f8aecc8efff1297a992c61ab9466c1cc3ab0d8b25c3dbd7e077549d9eabfc52b505b246315ac5c371723d1bc1df0426c1dee9029d2a46f5244c5ded6f77858d503da9de4fa1300a38f461950be63cfd3bb8822d3dd6277c6f89a722888100c31c5b31c23b46916fa5e43d19364132250"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x58, 0x1, "40ff0d92cfbf059694cd2a8ec4e96ebdd1f5584558a78b6f582a89b40b09f83f308d1db9647854d9e08480f7e950d8aa86637ccde8638c28e95f309337760f72fc412ae0c094507dd65f78d01f9c3504bee467d6"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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"}, @INET_DIAG_REQ_BYTECODE={0x20, 0x1, "62bb1edbbff7932d7d3831696cbdbddd54d3dac798c437b38fe0695d"}]}, 0x2164}, 0x1, 0x0, 0x0, 0x44}, 0x11) (async) 00:51:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1b01}, 0x0) [ 2748.557811][ T4162] FAULT_INJECTION: forcing a failure. [ 2748.557811][ T4162] name failslab, interval 1, probability 0, space 0, times 0 [ 2748.574590][ T4162] CPU: 1 PID: 4162 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2748.584690][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2748.594551][ T4162] Call Trace: [ 2748.597791][ T4162] dump_stack_lvl+0x1e2/0x24b [ 2748.602285][ T4162] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2748.607766][ T4162] ? __percpu_ref_switch_mode+0x365/0x620 [ 2748.613320][ T4162] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 2748.619045][ T4162] dump_stack+0x15/0x17 [ 2748.623052][ T4162] should_fail+0x3c6/0x510 [ 2748.627377][ T4162] ? blk_stat_alloc_callback+0x60/0x210 [ 2748.632857][ T4162] __should_failslab+0xa4/0xe0 [ 2748.637539][ T4162] should_failslab+0x9/0x20 [ 2748.641992][ T4162] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2748.647100][ T4162] ? __kasan_check_write+0x14/0x20 [ 2748.652052][ T4162] ? mutex_unlock+0x1c/0x40 00:51:16 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2748.656384][ T4162] ? blk_mq_poll_stats_fn+0x120/0x120 [ 2748.661682][ T4162] blk_stat_alloc_callback+0x60/0x210 [ 2748.666887][ T4162] ? blk_mq_free_tag_set+0x680/0x680 [ 2748.672010][ T4162] ? blk_ioprio_init+0x1cb/0x200 [ 2748.676798][ T4162] blk_mq_init_allocated_queue+0x8d/0x1790 [ 2748.682437][ T4162] ? blk_set_default_limits+0x184/0x420 [ 2748.687808][ T4162] ? blk_alloc_queue+0x579/0x640 [ 2748.693286][ T4162] blk_mq_init_queue+0x6d/0xd0 [ 2748.697878][ T4162] loop_add+0x265/0x750 [ 2748.701870][ T4162] loop_control_ioctl+0x448/0x620 [ 2748.706724][ T4162] ? loop_remove+0xb0/0xb0 [ 2748.710978][ T4162] ? __fget_files+0x31e/0x380 [ 2748.715497][ T4162] ? security_file_ioctl+0x84/0xb0 [ 2748.720469][ T4162] ? loop_remove+0xb0/0xb0 [ 2748.724691][ T4162] __se_sys_ioctl+0x114/0x190 [ 2748.729207][ T4162] __x64_sys_ioctl+0x7b/0x90 [ 2748.733637][ T4162] do_syscall_64+0x34/0x70 [ 2748.737896][ T4162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2748.743704][ T4162] RIP: 0033:0x7f21011fbba9 [ 2748.747954][ T4162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2748.767486][ T4162] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2748.775722][ T4162] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2748.783532][ T4162] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2748.791345][ T4162] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2748.799157][ T4162] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:16 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 26) 00:51:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1b02}, 0x0) 00:51:16 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2748.806964][ T4162] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2748.875030][ T4184] FAULT_INJECTION: forcing a failure. [ 2748.875030][ T4184] name failslab, interval 1, probability 0, space 0, times 0 [ 2748.890563][ T4184] CPU: 0 PID: 4184 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2748.900640][ T4184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2748.910612][ T4184] Call Trace: [ 2748.913766][ T4184] dump_stack_lvl+0x1e2/0x24b [ 2748.918262][ T4184] ? panic+0x80b/0x80b 00:51:17 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@report={0x80, 0x20, 0x2, 0x60bd2a, 0x25dfdbfb, {0x0, {@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @loopback}, 0x4e24, 0x7fff, 0x4e20, 0x6200, 0xa, 0xa0, 0x80, 0x62, 0x0, 0xee00}}, [@XFRMA_IF_ID={0x8, 0x1f, 0x3}, @user_kmaddress={0x2c, 0x13, {@in6=@mcast2, @in=@rand_addr=0x64010100, 0x0, 0x1}}]}, 0x80}, 0x1, 0x0, 0x0, 0x48890}, 0x34000000) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:17 executing program 1: bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000002340)={{0xffffffffffffffff, 0xffffffffffffffff}, &(0x7f00000022c0), &(0x7f0000002300)}, 0x20) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000002480)={@map=r0, 0x0, 0x0, 0x1, &(0x7f0000002380)=[0x0, 0x0, 0x0, 0x0], 0x4, 0x0, &(0x7f00000023c0)=[0x0, 0x0, 0x0], &(0x7f0000002400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000002440)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg2\x00', 0x0}) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000002280)={&(0x7f0000000040), 0xc, &(0x7f0000002240)={&(0x7f00000000c0)={0x2164, 0x13, 0x300, 0x70bd28, 0x4, {0xf, 0x0, 0x1, 0x1, {0x4e23, 0x4e24, [0x800, 0x10001, 0x1, 0x5], [0x400, 0x4, 0xc52, 0x67ec8f5f], r1, [0x6, 0x8]}, 0x401, 0x9}, [@INET_DIAG_REQ_BYTECODE={0x1b, 0x1, "8011bddac7a97f030a82855d1e116a3b09fdf68f3e7906"}, @INET_DIAG_REQ_BYTECODE={0x7a, 0x1, "9bab598765c3f8aecc8efff1297a992c61ab9466c1cc3ab0d8b25c3dbd7e077549d9eabfc52b505b246315ac5c371723d1bc1df0426c1dee9029d2a46f5244c5ded6f77858d503da9de4fa1300a38f461950be63cfd3bb8822d3dd6277c6f89a722888100c31c5b31c23b46916fa5e43d19364132250"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x58, 0x1, "40ff0d92cfbf059694cd2a8ec4e96ebdd1f5584558a78b6f582a89b40b09f83f308d1db9647854d9e08480f7e950d8aa86637ccde8638c28e95f309337760f72fc412ae0c094507dd65f78d01f9c3504bee467d6"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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@INET_DIAG_REQ_BYTECODE={0x20, 0x1, "62bb1edbbff7932d7d3831696cbdbddd54d3dac798c437b38fe0695d"}]}, 0x2164}, 0x1, 0x0, 0x0, 0x44}, 0x11) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000002340)={{}, &(0x7f00000022c0), &(0x7f0000002300)}, 0x20) (async) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000002480)={@map=r0, 0x0, 0x0, 0x1, &(0x7f0000002380)=[0x0, 0x0, 0x0, 0x0], 0x4, 0x0, &(0x7f00000023c0)=[0x0, 0x0, 0x0], &(0x7f0000002400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000002440)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg2\x00'}) (async) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000002280)={&(0x7f0000000040), 0xc, &(0x7f0000002240)={&(0x7f00000000c0)={0x2164, 0x13, 0x300, 0x70bd28, 0x4, {0xf, 0x0, 0x1, 0x1, {0x4e23, 0x4e24, [0x800, 0x10001, 0x1, 0x5], [0x400, 0x4, 0xc52, 0x67ec8f5f], r1, [0x6, 0x8]}, 0x401, 0x9}, [@INET_DIAG_REQ_BYTECODE={0x1b, 0x1, "8011bddac7a97f030a82855d1e116a3b09fdf68f3e7906"}, @INET_DIAG_REQ_BYTECODE={0x7a, 0x1, "9bab598765c3f8aecc8efff1297a992c61ab9466c1cc3ab0d8b25c3dbd7e077549d9eabfc52b505b246315ac5c371723d1bc1df0426c1dee9029d2a46f5244c5ded6f77858d503da9de4fa1300a38f461950be63cfd3bb8822d3dd6277c6f89a722888100c31c5b31c23b46916fa5e43d19364132250"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "8f85572b1b53bfd2f3183d53fefa832d656ece91f1dc0400ddedf945b162400eeb437bf3625cb876da593fbd39d33f67af67fa13e8c2ebc88789276a369e28d173246958ff9168d5d09af9f615d4dbf9ca8a86553bca6124c5831f4aa75902e97e19aefd466700e80d68a5dfbbc4020fc8040df441fce1bed3773ef93fe504dc563452371cf5546946776a051c9e2dbf3feb2ba7464bc85f7e3d6c9ecc3597d03f71817273212ec7e8ec43a5dd76d4c72d3e4b0153e3e9c2cfc89177f2cf6e3881af6f780c241ed4e4609d94b36273a0eb3ac4f27346ef60e59cac84b564704c1f7ba9c4940bffc3044ee933a4a751f3484aaecd861978fbc1994090dab9ed05eac9b737edd7ffeca41516d8a85e960ec5169679d23578305e7b400100a05052e170e21ec43b349d892913a29b5d1933306bfd9d543401530a32174a0feb3bd7d6412d2aeca5c430980b58fca344948a5f3100249d58297fe744d8b16b34436fef55e5660f1e0a9d5b8ad80c4d90b1c7fa19d69e7ec29f96788000e22a57a45db234676404e977ed6d8b2631d5a58e6680f100bb466db823263f7af8757a459177bd299c76a0f4efd06ce47d91a535e914ffa470a94f1ae20a8604239e2de1b4a4446931706a64fb80aa903af7f5daf0bedfcd81e2482e1cca739f179afc98511c2cb15f9ecdcd5423dd4b7912b55699c6b8a80b702972c08f3fffc1e501e50e7150c0f7a671d83d2711f465f3f0664a3c02ec89f40bc84259c203a7027a0206600adc754fc9add0056255dee6fab351f670b6fb6e839e047145b1367678bf90f9280670c5dc450d84d0e5336ec35551d23585febe51b9e681f2b535d70dba240fb75c1c785c2a1d972598d6abef61a8debee7d742141fe78a54d0896f8d9e9c0b760c39fb37387aefb83d39b669bf53c4ad474f26f0b1fe7695f65dd0fe77018be94aff4dae4389bd1f358fcd5173101cfd136567d7c4ba73efb78cd7948eb302c3fdebd8a937284bb065bfe7a13da9b8b239ab2d52293773bea3cf1ffcd130241116ea7637b274933478bbb5c7bbd73c48d3f7ab662d4b92907c17afa985950b482a1b2c9ff05aadd3e4dc38bac8124cbd5214db9033a806b889e6356129e8f9ac7bf9ad13dfaca2f756b609751aee4024fc4fbb3f2a936cb2e60b425646d2cc9f354a076d46a2535b7856ddc76c08dba7f58c8a3ed806a7c560c0ed5bc8401a896d73d6be3e5dfb97cb5d936d1c803ba5312e51f08d8898d8279877fb424319c0ddab1277b2a8119ef66be689c0ce080913616efc8a43ac07034c25f2419595f1d834f4eb204a0acf9199a16488d7328c0ee757762d2bce95d0a1c410c0636502632383717420444bfc041c885b89cdd9617bad7840b0a84b9390168bfef0de1f163d94a43f97c39af07975ae63512224cc5c582f5ad8b40d2dee35fb59339566e44a989f56fdb8770d0ebce4929a95b0b9d46a4781fbe1b1f6830a196f6d57b6efc37e3f8cb35297f281dc0f52e7c7c72d5e41db2fa91f420ef1b3a1c7371af1849b1c88934e71b72cf8c099f00d8b74aaa574792ed6e1521d5d57c2d6de599b9f9cfd627cff189c2b54b154a605420712617e9e01971fff3eced896737c8b171a81f8ffc093ebeeb60d932b4d38b4cfbc4b2fb07c23eec2d46ce4a619baf70e79d93eb3090f13923b71107b4313cb1bef9785add2a23dbf0468a75c89978f8fa886438193c551666c7b9025b99f224cd9a637a259ff7415d46c92bb2567ffda135cb3e5f23068e68549f9d6dfc29e266f3d2d46a3b52cb9f7c077ecafee3b6c24190a9cb918f7e99dfb3fa90b7530a8cb4c215d59c9ec7003e4a24b98955d939b927da26fcdab4771dd2447c3271f90611c15a876ff72f666127dad4076f8deb2a495f350c3de98fdc4b96e79037feee92f0249d426deedcfdca2462ffc55b590d64464d4dba9c62e551820d5229cacaf7a2c310a83b7a18360b6da3d9fb1bd00c0755d4ba48e76b54843f384b4a18867d6c022922d45d1f9f964d9fd19d7e91ac3b97553cf7f6618b23450aff462ed9b031716bab1d5745328cdd8bb5e9d388ec655c40bcd39091d97d6c3ddc43dc0bdfa76d10a2c9d78ffe377d268d25ffff8eb1ee94b6a9e6b80baf5538a2e70133b82583d289f376b33ab3b3b6c75b3765b64284e91ad84be52992500c3e27b49547b9038c787aec78b610b000d717794cb4fbd967d9e14e975206dfed4666fbe0e490abe5218183ed788692338a24735cdf6c154403999626fdcc0e1ff629bc53a0bd4f0cb05d00c8733bf12a10e6a643882ce58478c9decfc8cc035e0c4ad0f89fb1dc660b58d9f4a386f878d2cd98b6f2eb9b8e45d1aa9225f7008c20467df1b419ca4076be69d6768e90b2a9ea62523845e547103e472caba9255e7898e828e8e3de74c35219cc470750a2f0990018a99669415d24d01c8047d73defe65af990d64575c2bcd78d7f52d4a3f69db5841b6f93764f51a5386920ec50a1da11b4b289c9b0d392c73d765600e0d823de9ec7a36624d3c3172dd43267f4e3791a30ee012faf0ce6d8826f9f6ae97527124cf98fd24fd18ee1a431b87c59f2fbe503b02f11695f2b3e85507dc9365d440831bc22efdeebbfe9e88d05e49e5d6c8b772fb3d650a6df39023e7c870cf3bcfc0df45a78d08c3ef6e07c7ddca88d2b735b059df282234fda1d09fd759cb3d5749a1079d8d930cfcfe7d6f8033afacbd3ba884d730b8565380bba00cb07fbbe21a84b135ed67e604e46121d7630faa8d8f5525ce337a50f1b44e6c01c1513d3f1f59d3f311c2f5fb4ff2dc904b2dcbb5407cb7ca7117cd74d0617edfba1390bb66700e6ab0fbeaa282c01be8b2fee1f1432e02d98c64aac6144dea6c0cdfe206bcdf049eef6a8c9f45260bb60f036f70d9ed0490f01423b0849bab1ce1ddec6f1f6964a51dc82ad88a20fcbcd472d5132f1e466908509b91eefebbedf097ff2fb73c5aec3d80345d34a34a5a66c1d6e87c057400579c25273249c40ccabf994d231b9b49ce128e2b452a48e78c524b84233c707d6f15b68b7acf13c8ea3cff6783856ef05dc7361d72c13e9dacbf3afc6692abc5f0a5ac4bd386e792b8d5f7e28a316ad8186a51b8c35c7c810c121b811d2558a101f238f38b1720337972790ec512247e15c0173ced400fa1e286ff4cc91a769953c64f95468861631d780657246f3670afce31779730d187a1bf7b6fd7a70cb3721be1880aebaa261351a40714c78c564a8f491c91cfdf3f53956d64954a1cebea258b2863b69c15e5199471fa725398a6c361247888181efadf439b092ccebb014995a2af7f4e47fc3d4e2d55e5187dcdfd6bef17800c80f80d391b7adfd9f5fa76ada73599035967e8febfd5f63cd74d93cd9704766f435a01503c5b042e953a9d8017523f20f67fdec46f54bb39947b8803d1ce9556d9671afa50a2867684854f7a1f72799dd1038100be1828c1a9b3aca44ad3a4e430778f9eae55866ecfe2855de2dbaa25ec5147e1db6062c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@INET_DIAG_REQ_BYTECODE={0x58, 0x1, "40ff0d92cfbf059694cd2a8ec4e96ebdd1f5584558a78b6f582a89b40b09f83f308d1db9647854d9e08480f7e950d8aa86637ccde8638c28e95f309337760f72fc412ae0c094507dd65f78d01f9c3504bee467d6"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x20, 0x1, "62bb1edbbff7932d7d3831696cbdbddd54d3dac798c437b38fe0695d"}]}, 0x2164}, 0x1, 0x0, 0x0, 0x44}, 0x11) (async) 00:51:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1b03}, 0x0) 00:51:17 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:17 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2748.922172][ T4184] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2748.927472][ T4184] dump_stack+0x15/0x17 [ 2748.931459][ T4184] should_fail+0x3c6/0x510 [ 2748.935716][ T4184] ? blk_stat_alloc_callback+0x8e/0x210 [ 2748.941096][ T4184] __should_failslab+0xa4/0xe0 [ 2748.945694][ T4184] should_failslab+0x9/0x20 [ 2748.950038][ T4184] __kmalloc+0x60/0x330 [ 2748.954027][ T4184] ? kmem_cache_alloc_trace+0x18a/0x2e0 [ 2748.959403][ T4184] ? __kasan_check_write+0x14/0x20 [ 2748.964352][ T4184] ? blk_stat_alloc_callback+0x60/0x210 [ 2748.969738][ T4184] ? blk_mq_poll_stats_fn+0x120/0x120 00:51:17 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getpeername$packet(r0, 0x0, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r1 = socket(0x2, 0x800, 0x3) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f0000000040)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', r3}, 0x14) 00:51:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1c00}, 0x0) [ 2748.974949][ T4184] blk_stat_alloc_callback+0x8e/0x210 [ 2748.980151][ T4184] ? blk_mq_free_tag_set+0x680/0x680 [ 2748.985270][ T4184] ? blk_mq_poll_stats_fn+0x120/0x120 [ 2748.990482][ T4184] blk_mq_init_allocated_queue+0x8d/0x1790 [ 2748.996127][ T4184] ? blk_set_default_limits+0x184/0x420 [ 2749.001485][ T4184] ? blk_alloc_queue+0x579/0x640 [ 2749.006264][ T4184] blk_mq_init_queue+0x6d/0xd0 [ 2749.010869][ T4184] loop_add+0x265/0x750 [ 2749.014870][ T4184] loop_control_ioctl+0x448/0x620 [ 2749.019736][ T4184] ? loop_remove+0xb0/0xb0 [ 2749.023974][ T4184] ? __fget_files+0x31e/0x380 [ 2749.028476][ T4184] ? security_file_ioctl+0x84/0xb0 [ 2749.033424][ T4184] ? loop_remove+0xb0/0xb0 [ 2749.037671][ T4184] __se_sys_ioctl+0x114/0x190 [ 2749.042274][ T4184] __x64_sys_ioctl+0x7b/0x90 [ 2749.046703][ T4184] do_syscall_64+0x34/0x70 [ 2749.050951][ T4184] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2749.056684][ T4184] RIP: 0033:0x7f21011fbba9 [ 2749.060930][ T4184] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2749.080374][ T4184] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2749.088705][ T4184] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2749.096525][ T4184] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2749.104326][ T4184] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2749.112136][ T4184] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:17 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@report={0x80, 0x20, 0x2, 0x60bd2a, 0x25dfdbfb, {0x0, {@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @loopback}, 0x4e24, 0x7fff, 0x4e20, 0x6200, 0xa, 0xa0, 0x80, 0x62, 0x0, 0xee00}}, [@XFRMA_IF_ID={0x8, 0x1f, 0x3}, @user_kmaddress={0x2c, 0x13, {@in6=@mcast2, @in=@rand_addr=0x64010100, 0x0, 0x1}}]}, 0x80}, 0x1, 0x0, 0x0, 0x48890}, 0x34000000) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) (async) pipe2(&(0x7f00000009c0), 0x0) (async) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@report={0x80, 0x20, 0x2, 0x60bd2a, 0x25dfdbfb, {0x0, {@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @loopback}, 0x4e24, 0x7fff, 0x4e20, 0x6200, 0xa, 0xa0, 0x80, 0x62, 0x0, 0xee00}}, [@XFRMA_IF_ID={0x8, 0x1f, 0x3}, @user_kmaddress={0x2c, 0x13, {@in6=@mcast2, @in=@rand_addr=0x64010100, 0x0, 0x1}}]}, 0x80}, 0x1, 0x0, 0x0, 0x48890}, 0x34000000) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) 00:51:17 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getpeername$packet(r0, 0x0, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r1 = socket(0x2, 0x800, 0x3) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f0000000040)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', r3}, 0x14) socket$inet6_udp(0xa, 0x2, 0x0) (async) getpeername$packet(r0, 0x0, 0x0) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) socket(0x2, 0x800, 0x3) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) (async) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f0000000040)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', r3}, 0x14) (async) [ 2749.119952][ T4184] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:17 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 27) 00:51:17 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:17 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1c01}, 0x0) 00:51:17 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getpeername$packet(r0, 0x0, 0x0) (async, rerun: 64) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async, rerun: 64) r1 = socket(0x2, 0x800, 0x3) (async, rerun: 32) r2 = socket$inet6_udp(0xa, 0x2, 0x0) (rerun: 32) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) (async) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f0000000040)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', r3}, 0x14) 00:51:17 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:17 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r1) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@report={0x80, 0x20, 0x2, 0x60bd2a, 0x25dfdbfb, {0x0, {@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @loopback}, 0x4e24, 0x7fff, 0x4e20, 0x6200, 0xa, 0xa0, 0x80, 0x62, 0x0, 0xee00}}, [@XFRMA_IF_ID={0x8, 0x1f, 0x3}, @user_kmaddress={0x2c, 0x13, {@in6=@mcast2, @in=@rand_addr=0x64010100, 0x0, 0x1}}]}, 0x80}, 0x1, 0x0, 0x0, 0x48890}, 0x34000000) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) (async) pipe2(&(0x7f00000009c0), 0x0) (async) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) sendmsg$nl_xfrm(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@report={0x80, 0x20, 0x2, 0x60bd2a, 0x25dfdbfb, {0x0, {@in=@local, @in6=@ipv4={'\x00', '\xff\xff', @loopback}, 0x4e24, 0x7fff, 0x4e20, 0x6200, 0xa, 0xa0, 0x80, 0x62, 0x0, 0xee00}}, [@XFRMA_IF_ID={0x8, 0x1f, 0x3}, @user_kmaddress={0x2c, 0x13, {@in6=@mcast2, @in=@rand_addr=0x64010100, 0x0, 0x1}}]}, 0x80}, 0x1, 0x0, 0x0, 0x48890}, 0x34000000) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) 00:51:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1c02}, 0x0) 00:51:17 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2749.200966][ T4225] FAULT_INJECTION: forcing a failure. [ 2749.200966][ T4225] name failslab, interval 1, probability 0, space 0, times 0 [ 2749.214645][ T4225] CPU: 1 PID: 4225 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2749.224706][ T4225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2749.234594][ T4225] Call Trace: [ 2749.237734][ T4225] dump_stack_lvl+0x1e2/0x24b [ 2749.242250][ T4225] ? panic+0x80b/0x80b [ 2749.246149][ T4225] ? cpumask_next+0x11/0x30 [ 2749.250489][ T4225] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2749.255783][ T4225] ? pcpu_alloc+0xfa0/0x1420 [ 2749.260209][ T4225] dump_stack+0x15/0x17 [ 2749.264201][ T4225] should_fail+0x3c6/0x510 [ 2749.268454][ T4225] ? blk_mq_init_allocated_queue+0xf5/0x1790 [ 2749.274438][ T4225] __should_failslab+0xa4/0xe0 [ 2749.279109][ T4225] should_failslab+0x9/0x20 [ 2749.283458][ T4225] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2749.288570][ T4225] ? blk_mq_free_tag_set+0x680/0x680 [ 2749.293689][ T4225] ? blk_mq_poll_stats_fn+0x120/0x120 [ 2749.298896][ T4225] blk_mq_init_allocated_queue+0xf5/0x1790 [ 2749.306167][ T4225] ? blk_set_default_limits+0x184/0x420 [ 2749.311502][ T4225] ? blk_alloc_queue+0x579/0x640 [ 2749.316275][ T4225] blk_mq_init_queue+0x6d/0xd0 [ 2749.320873][ T4225] loop_add+0x265/0x750 [ 2749.324865][ T4225] loop_control_ioctl+0x448/0x620 [ 2749.329727][ T4225] ? loop_remove+0xb0/0xb0 [ 2749.333980][ T4225] ? __fget_files+0x31e/0x380 [ 2749.338498][ T4225] ? security_file_ioctl+0x84/0xb0 [ 2749.343442][ T4225] ? loop_remove+0xb0/0xb0 [ 2749.347694][ T4225] __se_sys_ioctl+0x114/0x190 [ 2749.352204][ T4225] __x64_sys_ioctl+0x7b/0x90 [ 2749.356632][ T4225] do_syscall_64+0x34/0x70 [ 2749.361059][ T4225] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2749.366785][ T4225] RIP: 0033:0x7f21011fbba9 [ 2749.371040][ T4225] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2749.390765][ T4225] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:17 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 28) 00:51:17 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:17 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)=ANY=[@ANYBLOB="03e7ffff2311e6d6df9fdbcbb897fdebad58f1cb851af797b6335c4c4e51606aae2dfe6938f948d7afa7fce504d3749202000a8bb93db0ac"]) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000780)={&(0x7f0000000800)=ANY=[@ANYBLOB="d0000000290000042abd7000fbdbdf2500000000", @ANYRES32=r2, @ANYBLOB="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"], 0xd0}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', &(0x7f00000000c0)={'ip_vti0\x00', 0x0, 0x0, 0x8, 0x3, 0xce, {{0x48, 0x4, 0x2, 0x2, 0x120, 0x65, 0x0, 0x7, 0x4, 0x0, @multicast2, @remote, {[@noop, @generic={0x86, 0xa, "d8397fa65d1dbce1"}, @rr={0x7, 0x7, 0x6a, [@remote]}, @timestamp_prespec={0x44, 0x2c, 0xa1, 0x3, 0x9, [{@multicast2, 0x1000}, {@empty, 0x7fffffff}, {@multicast2, 0x9}, {@rand_addr=0x64010100, 0x3}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x1}]}, @cipso={0x86, 0x49, 0x3, [{0x6, 0x4, "b525"}, {0x7, 0xf, "39bdf2091e0d8fc8102571ea9c"}, {0x5, 0x5, "7488a8"}, {0x6, 0x12, "6e3da518b71e4fa546b314bc6fb18730"}, {0x7, 0xa, "6b7da88f5e423888"}, {0x5, 0x5, "4db2fd"}, {0x6, 0xa, "f359d8ab87d67131"}]}, @ssrr={0x89, 0x7, 0x27, [@broadcast]}, @noop, @ssrr={0x89, 0x2b, 0xca, [@empty, @dev={0xac, 0x14, 0x14, 0x3b}, @remote, @loopback, @remote, @rand_addr=0x64010101, @multicast1, @rand_addr=0x64010100, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}]}, @timestamp_addr={0x44, 0x24, 0xe2, 0x1, 0x8, [{@broadcast, 0x401}, {@private=0xa010100, 0x80000001}, {@empty, 0x6}, {@multicast1, 0x81}]}, @timestamp_addr={0x44, 0x2c, 0x7b, 0x1, 0x8, [{@multicast1, 0x1}, {@remote, 0x8}, {@multicast1, 0x800}, {@broadcast, 0x6}, {@multicast2, 0x8}]}]}}}}}) sendmsg$nl_xfrm(r3, &(0x7f0000000600)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000240)=@newsa={0x374, 0x10, 0x8, 0x70bd2b, 0x25dfdbfd, {{@in6=@mcast1, @in=@multicast1, 0x4e24, 0x0, 0x4e24, 0x3, 0xa, 0xa0, 0x20, 0x73, 0x0, 0xffffffffffffffff}, {@in=@multicast1, 0x4d4, 0x33}, @in=@broadcast, {0x1000, 0xfffffffffffffffd, 0xfff, 0x1, 0x0, 0x8000000000000000, 0x9, 0x6}, {0x1, 0x9, 0x400000, 0x2}, {0x5, 0x3, 0x3}, 0x70bd26, 0x34ff, 0x2, 0x3, 0xda, 0x4}, [@algo_auth_trunc={0xf4, 0x14, {{'xcbc(aes)\x00'}, 0x540, 0x80, "c020199fa67c032606937583a1d789e9c03035d99c00975e8db98abf4ea69a66d4e6507e2f0de2dff0a8f6b520d6dcf602498a95b4f0855a5188f75f1f1d438b1e0efaf7044b6d01b247e420abb329fa91e6f25a01aa6d2d10cc8b8e68cb07412af394135cde0621da200a73b9625e9e2182d426720788c79966cdc1ebd5e28a550ee63d57e31544cf3ca666dc445aebcff8623e785cb1f76f7b96c6661dda35ab29d6cd2db6866e"}}, @extra_flags={0x8, 0x18, 0x47}, @offload={0xc, 0x1c, {0x0, 0x2}}, @address_filter={0x28, 0x1a, {@in6=@initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, @in=@rand_addr=0x64010100, 0x2, 0x68, 0x1}}, @offload={0xc, 0x1c, {r4, 0x2}}, @proto={0x5, 0x19, 0x3c}, @user_kmaddress={0x2c, 0x13, {@in6=@loopback, @in6=@loopback, 0x0, 0x2}}, @algo_auth={0x113, 0x1, {{'sha3-384-generic\x00'}, 0x658, "6a1c81a212b5d1368a5af618cbec46b0518d054a6225408fe9fc9dd6fcb1ccdb9017c5232bd7b204e5d4969195248fb935095d9c3b23744d08fd9e4480906c64d037b023183a920de8ccaa7780a6ae58eac854414e3c8e0cd81e31ff18a8829b03682262e86b37eff23575afb8c592cf6858744bcdee67c4f5d56cbf2f6e6bf3fc7c26e90d412c06aaa4cee82c1c41a6671caf6accf899aa1ed9945d1e3e41233cee7e89ef91d809884f6790dec537b5014d8b61b1be899e705a745dca43ab2b1ffb4713afe0f57f8ecc72"}}]}, 0x374}}, 0x40050) [ 2749.399009][ T4225] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2749.406829][ T4225] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2749.414745][ T4225] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2749.422553][ T4225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2749.430362][ T4225] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:17 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)=ANY=[@ANYBLOB="03e7ffff2311e6d6df9fdbcbb897fdebad58f1cb851af797b6335c4c4e51606aae2dfe6938f948d7afa7fce504d3749202000a8bb93db0ac"]) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000780)={&(0x7f0000000800)=ANY=[@ANYBLOB="d0000000290000042abd7000fbdbdf2500000000", @ANYRES32=r2, @ANYBLOB="f8ffe0ff0b000100060000000b00010064736d61726b00000c000200050004000700000006000500093f000006000500029a000009000000540002001000030004000000060000000008000010000300b500001000030002000000400000000600000010000200ff070000040000000500000010000100060000000100000003000000090001007072696f00000000070001006d71000006000500400600000600050005003a00000000000000000000364520ed28cebd55a0cc5dd85dbbeb95435e32bd5d5b7b34e98ded325c98557ab50cc0eedbcc7f846c7d0b2d8ccb4c794b8de417d9d1491c920b88f30d755151e3bb9b5b6377c31c734097fe644a00b302b1a4103a92f0f6943df50e87f250bad76add78d5936ed1a5bbf6504eae3c30753b8739acc12fa59789d1b87c9e1d8bda2fd7ffa71f"], 0xd0}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', &(0x7f00000000c0)={'ip_vti0\x00', 0x0, 0x0, 0x8, 0x3, 0xce, {{0x48, 0x4, 0x2, 0x2, 0x120, 0x65, 0x0, 0x7, 0x4, 0x0, @multicast2, @remote, {[@noop, @generic={0x86, 0xa, "d8397fa65d1dbce1"}, @rr={0x7, 0x7, 0x6a, [@remote]}, @timestamp_prespec={0x44, 0x2c, 0xa1, 0x3, 0x9, [{@multicast2, 0x1000}, {@empty, 0x7fffffff}, {@multicast2, 0x9}, {@rand_addr=0x64010100, 0x3}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x1}]}, @cipso={0x86, 0x49, 0x3, [{0x6, 0x4, "b525"}, {0x7, 0xf, "39bdf2091e0d8fc8102571ea9c"}, {0x5, 0x5, "7488a8"}, {0x6, 0x12, "6e3da518b71e4fa546b314bc6fb18730"}, {0x7, 0xa, "6b7da88f5e423888"}, {0x5, 0x5, "4db2fd"}, {0x6, 0xa, "f359d8ab87d67131"}]}, @ssrr={0x89, 0x7, 0x27, [@broadcast]}, @noop, @ssrr={0x89, 0x2b, 0xca, [@empty, @dev={0xac, 0x14, 0x14, 0x3b}, @remote, @loopback, @remote, @rand_addr=0x64010101, @multicast1, @rand_addr=0x64010100, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}]}, @timestamp_addr={0x44, 0x24, 0xe2, 0x1, 0x8, [{@broadcast, 0x401}, {@private=0xa010100, 0x80000001}, {@empty, 0x6}, {@multicast1, 0x81}]}, @timestamp_addr={0x44, 0x2c, 0x7b, 0x1, 0x8, [{@multicast1, 0x1}, {@remote, 0x8}, {@multicast1, 0x800}, {@broadcast, 0x6}, {@multicast2, 0x8}]}]}}}}}) sendmsg$nl_xfrm(r3, &(0x7f0000000600)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000240)=@newsa={0x374, 0x10, 0x8, 0x70bd2b, 0x25dfdbfd, {{@in6=@mcast1, @in=@multicast1, 0x4e24, 0x0, 0x4e24, 0x3, 0xa, 0xa0, 0x20, 0x73, 0x0, 0xffffffffffffffff}, {@in=@multicast1, 0x4d4, 0x33}, @in=@broadcast, {0x1000, 0xfffffffffffffffd, 0xfff, 0x1, 0x0, 0x8000000000000000, 0x9, 0x6}, {0x1, 0x9, 0x400000, 0x2}, {0x5, 0x3, 0x3}, 0x70bd26, 0x34ff, 0x2, 0x3, 0xda, 0x4}, [@algo_auth_trunc={0xf4, 0x14, {{'xcbc(aes)\x00'}, 0x540, 0x80, "c020199fa67c032606937583a1d789e9c03035d99c00975e8db98abf4ea69a66d4e6507e2f0de2dff0a8f6b520d6dcf602498a95b4f0855a5188f75f1f1d438b1e0efaf7044b6d01b247e420abb329fa91e6f25a01aa6d2d10cc8b8e68cb07412af394135cde0621da200a73b9625e9e2182d426720788c79966cdc1ebd5e28a550ee63d57e31544cf3ca666dc445aebcff8623e785cb1f76f7b96c6661dda35ab29d6cd2db6866e"}}, @extra_flags={0x8, 0x18, 0x47}, @offload={0xc, 0x1c, {0x0, 0x2}}, @address_filter={0x28, 0x1a, {@in6=@initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, @in=@rand_addr=0x64010100, 0x2, 0x68, 0x1}}, @offload={0xc, 0x1c, {r4, 0x2}}, @proto={0x5, 0x19, 0x3c}, @user_kmaddress={0x2c, 0x13, {@in6=@loopback, @in6=@loopback, 0x0, 0x2}}, @algo_auth={0x113, 0x1, {{'sha3-384-generic\x00'}, 0x658, "6a1c81a212b5d1368a5af618cbec46b0518d054a6225408fe9fc9dd6fcb1ccdb9017c5232bd7b204e5d4969195248fb935095d9c3b23744d08fd9e4480906c64d037b023183a920de8ccaa7780a6ae58eac854414e3c8e0cd81e31ff18a8829b03682262e86b37eff23575afb8c592cf6858744bcdee67c4f5d56cbf2f6e6bf3fc7c26e90d412c06aaa4cee82c1c41a6671caf6accf899aa1ed9945d1e3e41233cee7e89ef91d809884f6790dec537b5014d8b61b1be899e705a745dca43ab2b1ffb4713afe0f57f8ecc72"}}]}, 0x374}}, 0x40050) 00:51:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1c03}, 0x0) 00:51:17 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x60c0, 0x0) [ 2749.480660][ T4249] __nla_validate_parse: 15 callbacks suppressed [ 2749.480671][ T4249] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2749.499191][ T4253] FAULT_INJECTION: forcing a failure. [ 2749.499191][ T4253] name failslab, interval 1, probability 0, space 0, times 0 [ 2749.513612][ T4253] CPU: 0 PID: 4253 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2749.523682][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2749.533573][ T4253] Call Trace: [ 2749.536705][ T4253] dump_stack_lvl+0x1e2/0x24b [ 2749.541270][ T4253] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2749.546622][ T4253] ? pcpu_block_update_hint_alloc+0x93c/0xcf0 [ 2749.552517][ T4253] dump_stack+0x15/0x17 [ 2749.556618][ T4253] should_fail+0x3c6/0x510 [ 2749.561043][ T4253] ? blk_mq_realloc_hw_ctxs+0xc1/0x1750 [ 2749.566425][ T4253] __should_failslab+0xa4/0xe0 [ 2749.571013][ T4253] should_failslab+0x9/0x20 [ 2749.575357][ T4253] __kmalloc+0x60/0x330 [ 2749.579354][ T4253] blk_mq_realloc_hw_ctxs+0xc1/0x1750 [ 2749.584553][ T4253] ? pcpu_alloc+0xfa0/0x1420 [ 2749.588983][ T4253] ? find_next_bit+0xc7/0x100 [ 2749.593494][ T4253] ? cpumask_next+0x11/0x30 [ 2749.597834][ T4253] ? blk_mq_sysfs_init+0x1c3/0x200 [ 2749.602779][ T4253] blk_mq_init_allocated_queue+0x3ea/0x1790 [ 2749.608508][ T4253] ? blk_set_default_limits+0x184/0x420 [ 2749.613886][ T4253] ? blk_alloc_queue+0x579/0x640 [ 2749.618662][ T4253] blk_mq_init_queue+0x6d/0xd0 [ 2749.623264][ T4253] loop_add+0x265/0x750 [ 2749.627255][ T4253] loop_control_ioctl+0x448/0x620 [ 2749.632112][ T4253] ? loop_remove+0xb0/0xb0 [ 2749.636374][ T4253] ? __fget_files+0x31e/0x380 [ 2749.640884][ T4253] ? security_file_ioctl+0x84/0xb0 [ 2749.645824][ T4253] ? loop_remove+0xb0/0xb0 [ 2749.650079][ T4253] __se_sys_ioctl+0x114/0x190 [ 2749.654593][ T4253] __x64_sys_ioctl+0x7b/0x90 [ 2749.659020][ T4253] do_syscall_64+0x34/0x70 [ 2749.663271][ T4253] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2749.669016][ T4253] RIP: 0033:0x7f21011fbba9 [ 2749.673265][ T4253] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2749.692781][ T4253] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2749.701110][ T4253] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2749.708921][ T4253] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2749.716732][ T4253] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:17 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 29) 00:51:17 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2749.725613][ T4253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2749.733655][ T4253] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2749.764180][ T4263] FAULT_INJECTION: forcing a failure. [ 2749.764180][ T4263] name failslab, interval 1, probability 0, space 0, times 0 00:51:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1c20}, 0x0) 00:51:17 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:17 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x60c0, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x60c0, 0x0) (async) [ 2749.765494][ T4264] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2749.788231][ T4263] CPU: 1 PID: 4263 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2749.798305][ T4263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2749.808198][ T4263] Call Trace: [ 2749.811335][ T4263] dump_stack_lvl+0x1e2/0x24b [ 2749.815833][ T4263] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2749.821124][ T4263] dump_stack+0x15/0x17 [ 2749.825125][ T4263] should_fail+0x3c6/0x510 [ 2749.829367][ T4263] ? blk_mq_realloc_hw_ctxs+0x435/0x1750 [ 2749.834833][ T4263] __should_failslab+0xa4/0xe0 [ 2749.839525][ T4263] should_failslab+0x9/0x20 [ 2749.843880][ T4263] __kmalloc+0x60/0x330 [ 2749.847861][ T4263] ? blk_mq_hw_queue_to_node+0xf3/0x110 [ 2749.853254][ T4263] blk_mq_realloc_hw_ctxs+0x435/0x1750 [ 2749.858538][ T4263] blk_mq_init_allocated_queue+0x3ea/0x1790 [ 2749.864263][ T4263] ? blk_set_default_limits+0x184/0x420 [ 2749.869643][ T4263] ? blk_alloc_queue+0x579/0x640 [ 2749.874413][ T4263] blk_mq_init_queue+0x6d/0xd0 [ 2749.879024][ T4263] loop_add+0x265/0x750 [ 2749.883007][ T4263] loop_control_ioctl+0x448/0x620 [ 2749.887863][ T4263] ? loop_remove+0xb0/0xb0 [ 2749.892121][ T4263] ? __fget_files+0x31e/0x380 [ 2749.896633][ T4263] ? security_file_ioctl+0x84/0xb0 [ 2749.901578][ T4263] ? loop_remove+0xb0/0xb0 [ 2749.905832][ T4263] __se_sys_ioctl+0x114/0x190 [ 2749.910352][ T4263] __x64_sys_ioctl+0x7b/0x90 [ 2749.914808][ T4263] do_syscall_64+0x34/0x70 [ 2749.919027][ T4263] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2749.924749][ T4263] RIP: 0033:0x7f21011fbba9 [ 2749.929004][ T4263] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2749.948448][ T4263] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2749.956778][ T4263] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2749.964802][ T4263] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2749.972608][ T4263] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:18 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)=ANY=[@ANYBLOB="03e7ffff2311e6d6df9fdbcbb897fdebad58f1cb851af797b6335c4c4e51606aae2dfe6938f948d7afa7fce504d3749202000a8bb93db0ac"]) (async) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000780)={&(0x7f0000000800)=ANY=[@ANYBLOB="d0000000290000042abd7000fbdbdf2500000000", @ANYRES32=r2, @ANYBLOB="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"], 0xd0}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000200)={'syztnl0\x00', &(0x7f00000000c0)={'ip_vti0\x00', 0x0, 0x0, 0x8, 0x3, 0xce, {{0x48, 0x4, 0x2, 0x2, 0x120, 0x65, 0x0, 0x7, 0x4, 0x0, @multicast2, @remote, {[@noop, @generic={0x86, 0xa, "d8397fa65d1dbce1"}, @rr={0x7, 0x7, 0x6a, [@remote]}, @timestamp_prespec={0x44, 0x2c, 0xa1, 0x3, 0x9, [{@multicast2, 0x1000}, {@empty, 0x7fffffff}, {@multicast2, 0x9}, {@rand_addr=0x64010100, 0x3}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x1}]}, @cipso={0x86, 0x49, 0x3, [{0x6, 0x4, "b525"}, {0x7, 0xf, "39bdf2091e0d8fc8102571ea9c"}, {0x5, 0x5, "7488a8"}, {0x6, 0x12, "6e3da518b71e4fa546b314bc6fb18730"}, {0x7, 0xa, "6b7da88f5e423888"}, {0x5, 0x5, "4db2fd"}, {0x6, 0xa, "f359d8ab87d67131"}]}, @ssrr={0x89, 0x7, 0x27, [@broadcast]}, @noop, @ssrr={0x89, 0x2b, 0xca, [@empty, @dev={0xac, 0x14, 0x14, 0x3b}, @remote, @loopback, @remote, @rand_addr=0x64010101, @multicast1, @rand_addr=0x64010100, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}]}, @timestamp_addr={0x44, 0x24, 0xe2, 0x1, 0x8, [{@broadcast, 0x401}, {@private=0xa010100, 0x80000001}, {@empty, 0x6}, {@multicast1, 0x81}]}, @timestamp_addr={0x44, 0x2c, 0x7b, 0x1, 0x8, [{@multicast1, 0x1}, {@remote, 0x8}, {@multicast1, 0x800}, {@broadcast, 0x6}, {@multicast2, 0x8}]}]}}}}}) sendmsg$nl_xfrm(r3, &(0x7f0000000600)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000240)=@newsa={0x374, 0x10, 0x8, 0x70bd2b, 0x25dfdbfd, {{@in6=@mcast1, @in=@multicast1, 0x4e24, 0x0, 0x4e24, 0x3, 0xa, 0xa0, 0x20, 0x73, 0x0, 0xffffffffffffffff}, {@in=@multicast1, 0x4d4, 0x33}, @in=@broadcast, {0x1000, 0xfffffffffffffffd, 0xfff, 0x1, 0x0, 0x8000000000000000, 0x9, 0x6}, {0x1, 0x9, 0x400000, 0x2}, {0x5, 0x3, 0x3}, 0x70bd26, 0x34ff, 0x2, 0x3, 0xda, 0x4}, [@algo_auth_trunc={0xf4, 0x14, {{'xcbc(aes)\x00'}, 0x540, 0x80, "c020199fa67c032606937583a1d789e9c03035d99c00975e8db98abf4ea69a66d4e6507e2f0de2dff0a8f6b520d6dcf602498a95b4f0855a5188f75f1f1d438b1e0efaf7044b6d01b247e420abb329fa91e6f25a01aa6d2d10cc8b8e68cb07412af394135cde0621da200a73b9625e9e2182d426720788c79966cdc1ebd5e28a550ee63d57e31544cf3ca666dc445aebcff8623e785cb1f76f7b96c6661dda35ab29d6cd2db6866e"}}, @extra_flags={0x8, 0x18, 0x47}, @offload={0xc, 0x1c, {0x0, 0x2}}, @address_filter={0x28, 0x1a, {@in6=@initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, @in=@rand_addr=0x64010100, 0x2, 0x68, 0x1}}, @offload={0xc, 0x1c, {r4, 0x2}}, @proto={0x5, 0x19, 0x3c}, @user_kmaddress={0x2c, 0x13, {@in6=@loopback, @in6=@loopback, 0x0, 0x2}}, @algo_auth={0x113, 0x1, {{'sha3-384-generic\x00'}, 0x658, "6a1c81a212b5d1368a5af618cbec46b0518d054a6225408fe9fc9dd6fcb1ccdb9017c5232bd7b204e5d4969195248fb935095d9c3b23744d08fd9e4480906c64d037b023183a920de8ccaa7780a6ae58eac854414e3c8e0cd81e31ff18a8829b03682262e86b37eff23575afb8c592cf6858744bcdee67c4f5d56cbf2f6e6bf3fc7c26e90d412c06aaa4cee82c1c41a6671caf6accf899aa1ed9945d1e3e41233cee7e89ef91d809884f6790dec537b5014d8b61b1be899e705a745dca43ab2b1ffb4713afe0f57f8ecc72"}}]}, 0x374}}, 0x40050) 00:51:18 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 30) [ 2749.980424][ T4263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2749.988406][ T4263] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2750.019559][ T4275] FAULT_INJECTION: forcing a failure. [ 2750.019559][ T4275] name failslab, interval 1, probability 0, space 0, times 0 00:51:18 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x60c0, 0x0) 00:51:18 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:18 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1d00}, 0x0) 00:51:18 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2750.032115][ T4278] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2750.043642][ T4275] CPU: 1 PID: 4275 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2750.053707][ T4275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2750.065952][ T4275] Call Trace: [ 2750.069085][ T4275] dump_stack_lvl+0x1e2/0x24b [ 2750.073612][ T4275] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2750.078894][ T4275] dump_stack+0x15/0x17 00:51:18 executing program 5: pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f00000003c0)=0x1605) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r1, 0x89f0, &(0x7f0000000300)={'ip6_vti0\x00', &(0x7f0000000280)={'syztnl2\x00', 0x0, 0x2f, 0x0, 0xfd, 0xef200, 0x18, @private2={0xfc, 0x2, '\x00', 0x1}, @local, 0x20, 0x40, 0xa6, 0x6}}) sendmsg$MPTCP_PM_CMD_SET_FLAGS(r4, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xfffffffffffffff5, &(0x7f0000000340)={&(0x7f00000004c0)={0xac, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_ADDR={0x60, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @remote}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @local}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x2}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e20}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x3a}}]}, @MPTCP_PM_ATTR_LOC_ID={0x5, 0x5, 0x1}, @MPTCP_PM_ATTR_ADDR={0x30, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r5}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @dev={0xfe, 0x80, '\x00', 0x18}}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x80}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x14}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r3) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000d40)={&(0x7f0000000cc0)={0x4c, r6, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3e7c}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}]}, 0x4c}}, 0x0) sendmsg$IPVS_CMD_DEL_DEST(r4, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xdc, r6, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DAEMON={0x20, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3c}]}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0x1}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0xd}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x55}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}]}, @IPVS_CMD_ATTR_DEST={0x44, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x5d}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4010}, 0x20000011) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000040)=ANY=[@ANYRESOCT=r3]) [ 2750.082887][ T4275] should_fail+0x3c6/0x510 [ 2750.087144][ T4275] ? blk_mq_realloc_hw_ctxs+0x765/0x1750 [ 2750.092609][ T4275] __should_failslab+0xa4/0xe0 [ 2750.097207][ T4275] should_failslab+0x9/0x20 [ 2750.101536][ T4275] __kmalloc+0x60/0x330 [ 2750.105703][ T4275] ? init_timer_key+0x8b/0x1d0 [ 2750.110299][ T4275] blk_mq_realloc_hw_ctxs+0x765/0x1750 [ 2750.115591][ T4275] blk_mq_init_allocated_queue+0x3ea/0x1790 [ 2750.121316][ T4275] ? blk_set_default_limits+0x184/0x420 [ 2750.126828][ T4275] ? blk_alloc_queue+0x579/0x640 [ 2750.131583][ T4275] blk_mq_init_queue+0x6d/0xd0 [ 2750.136194][ T4275] loop_add+0x265/0x750 [ 2750.140230][ T4275] loop_control_ioctl+0x448/0x620 [ 2750.145156][ T4275] ? loop_remove+0xb0/0xb0 [ 2750.149408][ T4275] ? __fget_files+0x31e/0x380 [ 2750.153933][ T4275] ? security_file_ioctl+0x84/0xb0 [ 2750.158892][ T4275] ? loop_remove+0xb0/0xb0 [ 2750.163126][ T4275] __se_sys_ioctl+0x114/0x190 [ 2750.167633][ T4275] __x64_sys_ioctl+0x7b/0x90 [ 2750.172065][ T4275] do_syscall_64+0x34/0x70 [ 2750.176402][ T4275] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2750.182131][ T4275] RIP: 0033:0x7f21011fbba9 [ 2750.186383][ T4275] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2750.205822][ T4275] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2750.214065][ T4275] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2750.221877][ T4275] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:18 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 31) 00:51:18 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:18 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x3e9181, 0x0) [ 2750.229691][ T4275] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2750.237502][ T4275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2750.245439][ T4275] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2750.268292][ T4288] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:18 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x44, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x44}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:18 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x3e9181, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x3e9181, 0x0) (async) [ 2750.298189][ T4298] FAULT_INJECTION: forcing a failure. [ 2750.298189][ T4298] name failslab, interval 1, probability 0, space 0, times 0 [ 2750.311203][ T4298] CPU: 0 PID: 4298 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2750.321308][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2750.331151][ T4298] Call Trace: [ 2750.334533][ T4298] dump_stack_lvl+0x1e2/0x24b [ 2750.339027][ T4298] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2750.344307][ T4298] dump_stack+0x15/0x17 [ 2750.348301][ T4298] should_fail+0x3c6/0x510 [ 2750.352592][ T4298] ? sbitmap_init_node+0x148/0x3d0 [ 2750.357497][ T4298] __should_failslab+0xa4/0xe0 [ 2750.362226][ T4298] should_failslab+0x9/0x20 [ 2750.366570][ T4298] __kmalloc+0x60/0x330 [ 2750.370574][ T4298] sbitmap_init_node+0x148/0x3d0 [ 2750.375337][ T4298] blk_mq_realloc_hw_ctxs+0x7e9/0x1750 [ 2750.380636][ T4298] blk_mq_init_allocated_queue+0x3ea/0x1790 [ 2750.386534][ T4298] ? blk_set_default_limits+0x184/0x420 [ 2750.391922][ T4298] ? blk_alloc_queue+0x579/0x640 00:51:18 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1d01}, 0x0) [ 2750.396774][ T4298] blk_mq_init_queue+0x6d/0xd0 [ 2750.401366][ T4298] loop_add+0x265/0x750 [ 2750.405361][ T4298] loop_control_ioctl+0x448/0x620 [ 2750.410223][ T4298] ? loop_remove+0xb0/0xb0 [ 2750.414473][ T4298] ? __fget_files+0x31e/0x380 [ 2750.418994][ T4298] ? security_file_ioctl+0x84/0xb0 [ 2750.423930][ T4298] ? loop_remove+0xb0/0xb0 [ 2750.428195][ T4298] __se_sys_ioctl+0x114/0x190 [ 2750.432730][ T4298] __x64_sys_ioctl+0x7b/0x90 [ 2750.437510][ T4298] do_syscall_64+0x34/0x70 [ 2750.441743][ T4298] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2750.447484][ T4298] RIP: 0033:0x7f21011fbba9 [ 2750.451903][ T4298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2750.471953][ T4298] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2750.480277][ T4298] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2750.488077][ T4298] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:18 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:18 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x44, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x44}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:18 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 32) 00:51:18 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x3e9181, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x3e9181, 0x0) (async) [ 2750.495896][ T4298] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2750.503701][ T4298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2750.511517][ T4298] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2750.536246][ T4311] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:18 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1d02}, 0x0) [ 2750.565180][ T4316] FAULT_INJECTION: forcing a failure. [ 2750.565180][ T4316] name failslab, interval 1, probability 0, space 0, times 0 [ 2750.580729][ T4316] CPU: 1 PID: 4316 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2750.590802][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2750.601075][ T4316] Call Trace: [ 2750.604213][ T4316] dump_stack_lvl+0x1e2/0x24b [ 2750.608724][ T4316] ? panic+0x80b/0x80b [ 2750.612624][ T4316] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2750.618008][ T4316] dump_stack+0x15/0x17 [ 2750.622003][ T4316] should_fail+0x3c6/0x510 [ 2750.626337][ T4316] ? blk_alloc_flush_queue+0x62/0x220 [ 2750.631635][ T4316] __should_failslab+0xa4/0xe0 [ 2750.636341][ T4316] should_failslab+0x9/0x20 [ 2750.640832][ T4316] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2750.645956][ T4316] blk_alloc_flush_queue+0x62/0x220 [ 2750.651273][ T4316] blk_mq_realloc_hw_ctxs+0xc01/0x1750 [ 2750.657644][ T4316] blk_mq_init_allocated_queue+0x3ea/0x1790 [ 2750.663363][ T4316] ? blk_set_default_limits+0x184/0x420 [ 2750.668938][ T4316] ? blk_alloc_queue+0x579/0x640 [ 2750.673713][ T4316] blk_mq_init_queue+0x6d/0xd0 [ 2750.678312][ T4316] loop_add+0x265/0x750 [ 2750.682330][ T4316] loop_control_ioctl+0x448/0x620 [ 2750.687159][ T4316] ? loop_remove+0xb0/0xb0 [ 2750.691411][ T4316] ? __fget_files+0x31e/0x380 [ 2750.695933][ T4316] ? security_file_ioctl+0x84/0xb0 [ 2750.700872][ T4316] ? loop_remove+0xb0/0xb0 [ 2750.705128][ T4316] __se_sys_ioctl+0x114/0x190 [ 2750.709916][ T4316] __x64_sys_ioctl+0x7b/0x90 00:51:18 executing program 5: pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) (async) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f00000003c0)=0x1605) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r1, 0x89f0, &(0x7f0000000300)={'ip6_vti0\x00', &(0x7f0000000280)={'syztnl2\x00', 0x0, 0x2f, 0x0, 0xfd, 0xef200, 0x18, @private2={0xfc, 0x2, '\x00', 0x1}, @local, 0x20, 0x40, 0xa6, 0x6}}) sendmsg$MPTCP_PM_CMD_SET_FLAGS(r4, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xfffffffffffffff5, &(0x7f0000000340)={&(0x7f00000004c0)={0xac, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_ADDR={0x60, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @remote}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @local}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x2}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e20}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x3a}}]}, @MPTCP_PM_ATTR_LOC_ID={0x5, 0x5, 0x1}, @MPTCP_PM_ATTR_ADDR={0x30, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r5}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @dev={0xfe, 0x80, '\x00', 0x18}}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x80}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x14}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$ethtool(0x0, r3) (async, rerun: 32) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000d40)={&(0x7f0000000cc0)={0x4c, r6, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3e7c}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}]}, 0x4c}}, 0x0) (async) sendmsg$IPVS_CMD_DEL_DEST(r4, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xdc, r6, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DAEMON={0x20, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3c}]}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0x1}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0xd}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x55}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}]}, @IPVS_CMD_ATTR_DEST={0x44, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x5d}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4010}, 0x20000011) (async) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000040)=ANY=[@ANYRESOCT=r3]) [ 2750.714331][ T4316] do_syscall_64+0x34/0x70 [ 2750.718582][ T4316] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2750.724310][ T4316] RIP: 0033:0x7f21011fbba9 [ 2750.728583][ T4316] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2750.748348][ T4316] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2750.756763][ T4316] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:18 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 33) [ 2750.764938][ T4316] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2750.772841][ T4316] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2750.780676][ T4316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2750.788635][ T4316] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2750.802929][ T4321] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:18 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:18 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1d03}, 0x0) 00:51:18 executing program 1: pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd0, r1, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x19}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private0}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffe}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff0149}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ipvlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wg0\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xd3}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xfffffffa}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x75}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1000}]}, 0xd0}, 0x1, 0x0, 0x0, 0x20000000}, 0x20008010) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) 00:51:18 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x44, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x44}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2750.830222][ T4327] FAULT_INJECTION: forcing a failure. [ 2750.830222][ T4327] name failslab, interval 1, probability 0, space 0, times 0 [ 2750.847542][ T4335] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2750.848421][ T4327] CPU: 1 PID: 4327 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2750.866640][ T4327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2750.876537][ T4327] Call Trace: 00:51:19 executing program 1: pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) (async) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd0, r1, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x19}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private0}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffe}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff0149}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ipvlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wg0\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xd3}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xfffffffa}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x75}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1000}]}, 0xd0}, 0x1, 0x0, 0x0, 0x20000000}, 0x20008010) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) [ 2750.879670][ T4327] dump_stack_lvl+0x1e2/0x24b [ 2750.884181][ T4327] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2750.889755][ T4327] dump_stack+0x15/0x17 [ 2750.893738][ T4327] should_fail+0x3c6/0x510 [ 2750.897993][ T4327] ? blk_alloc_flush_queue+0xca/0x220 [ 2750.903198][ T4327] __should_failslab+0xa4/0xe0 [ 2750.907887][ T4327] should_failslab+0x9/0x20 [ 2750.912238][ T4327] __kmalloc+0x60/0x330 [ 2750.916230][ T4327] ? kmem_cache_alloc_trace+0x18a/0x2e0 [ 2750.921596][ T4327] ? blk_alloc_flush_queue+0x62/0x220 [ 2750.926911][ T4327] blk_alloc_flush_queue+0xca/0x220 [ 2750.931947][ T4327] blk_mq_realloc_hw_ctxs+0xc01/0x1750 [ 2750.937254][ T4327] blk_mq_init_allocated_queue+0x3ea/0x1790 [ 2750.942981][ T4327] ? blk_set_default_limits+0x184/0x420 [ 2750.948432][ T4327] ? blk_alloc_queue+0x579/0x640 [ 2750.953284][ T4327] blk_mq_init_queue+0x6d/0xd0 [ 2750.958074][ T4327] loop_add+0x265/0x750 [ 2750.962063][ T4327] loop_control_ioctl+0x448/0x620 [ 2750.967212][ T4327] ? loop_remove+0xb0/0xb0 [ 2750.971452][ T4327] ? __fget_files+0x31e/0x380 [ 2750.976047][ T4327] ? security_file_ioctl+0x84/0xb0 [ 2750.981350][ T4327] ? loop_remove+0xb0/0xb0 [ 2750.985590][ T4327] __se_sys_ioctl+0x114/0x190 [ 2750.990096][ T4327] __x64_sys_ioctl+0x7b/0x90 [ 2750.994527][ T4327] do_syscall_64+0x34/0x70 [ 2750.998780][ T4327] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2751.004592][ T4327] RIP: 0033:0x7f21011fbba9 [ 2751.008981][ T4327] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 00:51:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1e00}, 0x0) [ 2751.028531][ T4327] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2751.036861][ T4327] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2751.044666][ T4327] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2751.053122][ T4327] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2751.061074][ T4327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2751.068871][ T4327] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:19 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:19 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:19 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 34) 00:51:19 executing program 1: pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) (async) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd0, r1, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x19}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private0}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffe}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffff0149}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ipvlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wg0\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xd3}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xfffffffa}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x75}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1000}]}, 0xd0}, 0x1, 0x0, 0x0, 0x20000000}, 0x20008010) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) [ 2751.093644][ T4342] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2751.117015][ T4346] FAULT_INJECTION: forcing a failure. [ 2751.117015][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 2751.134849][ T4346] CPU: 1 PID: 4346 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2751.144922][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2751.154896][ T4346] Call Trace: [ 2751.158121][ T4346] dump_stack_lvl+0x1e2/0x24b [ 2751.162622][ T4346] ? panic+0x80b/0x80b [ 2751.166533][ T4346] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2751.171847][ T4346] dump_stack+0x15/0x17 [ 2751.175832][ T4346] should_fail+0x3c6/0x510 [ 2751.180071][ T4346] ? __alloc_disk_node+0x76/0x570 [ 2751.184950][ T4346] __should_failslab+0xa4/0xe0 [ 2751.189697][ T4346] should_failslab+0x9/0x20 [ 2751.194094][ T4346] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2751.199210][ T4346] __alloc_disk_node+0x76/0x570 [ 2751.203892][ T4346] loop_add+0x32d/0x750 [ 2751.207969][ T4346] loop_control_ioctl+0x448/0x620 [ 2751.213051][ T4346] ? loop_remove+0xb0/0xb0 [ 2751.217283][ T4346] ? __fget_files+0x31e/0x380 [ 2751.221993][ T4346] ? security_file_ioctl+0x84/0xb0 [ 2751.226914][ T4346] ? loop_remove+0xb0/0xb0 [ 2751.231166][ T4346] __se_sys_ioctl+0x114/0x190 [ 2751.235680][ T4346] __x64_sys_ioctl+0x7b/0x90 [ 2751.240112][ T4346] do_syscall_64+0x34/0x70 [ 2751.244463][ T4346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2751.250176][ T4346] RIP: 0033:0x7f21011fbba9 [ 2751.254521][ T4346] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2751.275915][ T4346] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2751.284153][ T4346] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:19 executing program 5: pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r0) (async, rerun: 32) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f00000003c0)=0x1605) (rerun: 32) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r1, 0x89f0, &(0x7f0000000300)={'ip6_vti0\x00', &(0x7f0000000280)={'syztnl2\x00', 0x0, 0x2f, 0x0, 0xfd, 0xef200, 0x18, @private2={0xfc, 0x2, '\x00', 0x1}, @local, 0x20, 0x40, 0xa6, 0x6}}) sendmsg$MPTCP_PM_CMD_SET_FLAGS(r4, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xfffffffffffffff5, &(0x7f0000000340)={&(0x7f00000004c0)={0xac, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_ADDR={0x60, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @remote}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @local}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x2}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e20}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x3a}}]}, @MPTCP_PM_ATTR_LOC_ID={0x5, 0x5, 0x1}, @MPTCP_PM_ATTR_ADDR={0x30, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r5}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @dev={0xfe, 0x80, '\x00', 0x18}}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x80}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x14}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r3) (async) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000d40)={&(0x7f0000000cc0)={0x4c, r6, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3e7c}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}]}, 0x4c}}, 0x0) (async) sendmsg$IPVS_CMD_DEL_DEST(r4, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xdc, r6, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DAEMON={0x20, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3c}]}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, '\x00', 0x1}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0xd}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x55}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}]}, @IPVS_CMD_ATTR_DEST={0x44, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x5d}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e23}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4010}, 0x20000011) (async) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000040)=ANY=[@ANYRESOCT=r3]) 00:51:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1e01}, 0x0) 00:51:19 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 35) 00:51:19 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2751.292308][ T4346] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2751.300117][ T4346] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2751.307934][ T4346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2751.315743][ T4346] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:19 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200202, 0x0) 00:51:19 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2751.349713][ T4355] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2751.364357][ T4364] FAULT_INJECTION: forcing a failure. [ 2751.364357][ T4364] name failslab, interval 1, probability 0, space 0, times 0 [ 2751.386709][ T4364] CPU: 0 PID: 4364 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2751.396988][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2751.406962][ T4364] Call Trace: [ 2751.410101][ T4364] dump_stack_lvl+0x1e2/0x24b [ 2751.414604][ T4364] ? panic+0x80b/0x80b [ 2751.418510][ T4364] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2751.423903][ T4364] ? find_next_bit+0xc7/0x100 [ 2751.428424][ T4364] ? cpumask_next+0x11/0x30 [ 2751.432758][ T4364] dump_stack+0x15/0x17 [ 2751.436747][ T4364] should_fail+0x3c6/0x510 [ 2751.441014][ T4364] ? __alloc_disk_node+0x2f4/0x570 [ 2751.445967][ T4364] __should_failslab+0xa4/0xe0 [ 2751.450548][ T4364] should_failslab+0x9/0x20 [ 2751.454889][ T4364] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2751.460024][ T4364] __alloc_disk_node+0x2f4/0x570 [ 2751.464800][ T4364] loop_add+0x32d/0x750 [ 2751.468841][ T4364] loop_control_ioctl+0x448/0x620 [ 2751.473636][ T4364] ? loop_remove+0xb0/0xb0 [ 2751.477889][ T4364] ? __fget_files+0x31e/0x380 [ 2751.482417][ T4364] ? security_file_ioctl+0x84/0xb0 [ 2751.487348][ T4364] ? loop_remove+0xb0/0xb0 [ 2751.491702][ T4364] __se_sys_ioctl+0x114/0x190 [ 2751.496210][ T4364] __x64_sys_ioctl+0x7b/0x90 [ 2751.500630][ T4364] do_syscall_64+0x34/0x70 [ 2751.504883][ T4364] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2751.510613][ T4364] RIP: 0033:0x7f21011fbba9 [ 2751.514878][ T4364] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2751.534298][ T4364] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2751.542541][ T4364] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1e02}, 0x0) [ 2751.550358][ T4364] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2751.558165][ T4364] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2751.565977][ T4364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2751.573786][ T4364] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:19 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:19 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200202, 0x0) 00:51:19 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:19 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 36) 00:51:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1e03}, 0x0) [ 2751.600350][ T4373] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2751.653654][ T4381] FAULT_INJECTION: forcing a failure. [ 2751.653654][ T4381] name failslab, interval 1, probability 0, space 0, times 0 [ 2751.671366][ T4381] CPU: 1 PID: 4381 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2751.681573][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2751.691515][ T4381] Call Trace: [ 2751.694654][ T4381] dump_stack_lvl+0x1e2/0x24b [ 2751.699276][ T4381] ? panic+0x80b/0x80b [ 2751.703162][ T4381] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2751.708451][ T4381] ? find_next_bit+0xc7/0x100 [ 2751.712964][ T4381] ? cpumask_next+0x11/0x30 [ 2751.717319][ T4381] dump_stack+0x15/0x17 [ 2751.721289][ T4381] should_fail+0x3c6/0x510 [ 2751.725590][ T4381] ? __alloc_disk_node+0x2f4/0x570 [ 2751.730498][ T4381] __should_failslab+0xa4/0xe0 [ 2751.735285][ T4381] should_failslab+0x9/0x20 [ 2751.739627][ T4381] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2751.744743][ T4381] __alloc_disk_node+0x2f4/0x570 [ 2751.749604][ T4381] loop_add+0x32d/0x750 [ 2751.753597][ T4381] loop_control_ioctl+0x448/0x620 [ 2751.758455][ T4381] ? loop_remove+0xb0/0xb0 [ 2751.763282][ T4381] ? __fget_files+0x31e/0x380 [ 2751.767954][ T4381] ? security_file_ioctl+0x84/0xb0 [ 2751.772895][ T4381] ? loop_remove+0xb0/0xb0 [ 2751.777151][ T4381] __se_sys_ioctl+0x114/0x190 [ 2751.781664][ T4381] __x64_sys_ioctl+0x7b/0x90 [ 2751.786099][ T4381] do_syscall_64+0x34/0x70 [ 2751.790348][ T4381] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2751.796073][ T4381] RIP: 0033:0x7f21011fbba9 [ 2751.800324][ T4381] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2751.819852][ T4381] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2751.828346][ T4381] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2751.836148][ T4381] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2751.843958][ T4381] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:20 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000080)={'wg1\x00', 0x0}) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f0000000140)={0x1b, 0x0, 0x0, 0x0, 0x0, r1, 0x4, '\x00', r3, r4, 0x0, 0x0, 0x2}, 0x48) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDADDTOENTCNT(r1, 0x40045201, &(0x7f0000000040)=0x463) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="03007400"]) 00:51:20 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x200202, 0x0) 00:51:20 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1f00}, 0x0) 00:51:20 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1f01}, 0x0) 00:51:20 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 37) 00:51:20 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:20 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:20 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000080)={'wg1\x00', 0x0}) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) (async) bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f0000000140)={0x1b, 0x0, 0x0, 0x0, 0x0, r1, 0x4, '\x00', r3, r4, 0x0, 0x0, 0x2}, 0x48) syz_genetlink_get_family_id$ethtool(0x0, r1) (async) ioctl$RNDADDTOENTCNT(r1, 0x40045201, &(0x7f0000000040)=0x463) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="03007400"]) [ 2751.851775][ T4381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2751.859922][ T4381] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:20 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r0 = socket(0x5, 0xa, 0xff) syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), r0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'vxcan0\x00', 0x0}) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r2) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), r0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000500)={0xffffffffffffffff, 0xe0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000240)=[0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x1, 0x6, &(0x7f0000000280)=[0x0], &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000300)=[{}, {}], 0x10, 0x10, &(0x7f0000000340), &(0x7f0000000380), 0x8, 0x10, 0x8, 0x8, &(0x7f00000003c0)}}, 0x10) sendmsg$ETHTOOL_MSG_WOL_GET(r2, &(0x7f0000000640)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0xa4, r3, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'caif0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0xa4}}, 0x20000014) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000080)={'tunl0\x00', r1, 0x0, 0x10, 0x2, 0x7, {{0x22, 0x4, 0x2, 0x4, 0x88, 0x68, 0x0, 0x1, 0x29, 0x0, @empty, @remote, {[@timestamp_addr={0x44, 0x1c, 0xcf, 0x1, 0x2, [{@broadcast, 0xfff}, {@initdev={0xac, 0x1e, 0x1, 0x0}}, {@rand_addr=0x64010101, 0x1}]}, @timestamp={0x44, 0x1c, 0x11, 0x0, 0x5, [0x6, 0x80000000, 0x4, 0x37f52a13, 0x0, 0x767c]}, @timestamp={0x44, 0x18, 0x54, 0x0, 0x5, [0x8001, 0x34400, 0x7, 0x41, 0x20]}, @rr={0x7, 0x17, 0xbb, [@rand_addr=0x64010102, @private=0xa010101, @private=0xa010100, @multicast2, @multicast2]}, @lsrr={0x83, 0x7, 0x92, [@multicast1]}, @ra={0x94, 0x4}]}}}}}) 00:51:20 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async, rerun: 64) r0 = socket(0x5, 0xa, 0xff) (rerun: 64) syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), r0) (async, rerun: 64) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'vxcan0\x00', 0x0}) (async, rerun: 64) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r2) (async) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), r0) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000500)={0xffffffffffffffff, 0xe0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000240)=[0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x1, 0x6, &(0x7f0000000280)=[0x0], &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000300)=[{}, {}], 0x10, 0x10, &(0x7f0000000340), &(0x7f0000000380), 0x8, 0x10, 0x8, 0x8, &(0x7f00000003c0)}}, 0x10) sendmsg$ETHTOOL_MSG_WOL_GET(r2, &(0x7f0000000640)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0xa4, r3, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'caif0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0xa4}}, 0x20000014) (async, rerun: 32) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000080)={'tunl0\x00', r1, 0x0, 0x10, 0x2, 0x7, {{0x22, 0x4, 0x2, 0x4, 0x88, 0x68, 0x0, 0x1, 0x29, 0x0, @empty, @remote, {[@timestamp_addr={0x44, 0x1c, 0xcf, 0x1, 0x2, [{@broadcast, 0xfff}, {@initdev={0xac, 0x1e, 0x1, 0x0}}, {@rand_addr=0x64010101, 0x1}]}, @timestamp={0x44, 0x1c, 0x11, 0x0, 0x5, [0x6, 0x80000000, 0x4, 0x37f52a13, 0x0, 0x767c]}, @timestamp={0x44, 0x18, 0x54, 0x0, 0x5, [0x8001, 0x34400, 0x7, 0x41, 0x20]}, @rr={0x7, 0x17, 0xbb, [@rand_addr=0x64010102, @private=0xa010101, @private=0xa010100, @multicast2, @multicast2]}, @lsrr={0x83, 0x7, 0x92, [@multicast1]}, @ra={0x94, 0x4}]}}}}}) (rerun: 32) [ 2751.924636][ T4397] FAULT_INJECTION: forcing a failure. [ 2751.924636][ T4397] name failslab, interval 1, probability 0, space 0, times 0 [ 2751.937949][ T4397] CPU: 1 PID: 4397 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2751.948125][ T4397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2751.958113][ T4397] Call Trace: [ 2751.961241][ T4397] dump_stack_lvl+0x1e2/0x24b [ 2751.965882][ T4397] ? panic+0x80b/0x80b [ 2751.969796][ T4397] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2751.975080][ T4397] dump_stack+0x15/0x17 [ 2751.979330][ T4397] should_fail+0x3c6/0x510 [ 2751.983581][ T4397] ? rand_initialize_disk+0x4f/0xa8 [ 2751.988911][ T4397] __should_failslab+0xa4/0xe0 [ 2751.993517][ T4397] should_failslab+0x9/0x20 [ 2751.997862][ T4397] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2752.002990][ T4397] ? percpu_ref_init+0x224/0x310 [ 2752.007749][ T4397] ? hd_ref_init+0x40/0x40 [ 2752.012011][ T4397] rand_initialize_disk+0x4f/0xa8 [ 2752.016874][ T4397] __alloc_disk_node+0x3e0/0x570 [ 2752.021662][ T4397] loop_add+0x32d/0x750 [ 2752.025624][ T4397] loop_control_ioctl+0x448/0x620 [ 2752.030489][ T4397] ? loop_remove+0xb0/0xb0 [ 2752.034802][ T4397] ? __fget_files+0x31e/0x380 [ 2752.039262][ T4397] ? security_file_ioctl+0x84/0xb0 [ 2752.044207][ T4397] ? loop_remove+0xb0/0xb0 [ 2752.048450][ T4397] __se_sys_ioctl+0x114/0x190 [ 2752.052963][ T4397] __x64_sys_ioctl+0x7b/0x90 [ 2752.057405][ T4397] do_syscall_64+0x34/0x70 [ 2752.061761][ T4397] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2752.067456][ T4397] RIP: 0033:0x7f21011fbba9 [ 2752.071712][ T4397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2752.091153][ T4397] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2752.099483][ T4397] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2752.107311][ T4397] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2752.115114][ T4397] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1f02}, 0x0) 00:51:20 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) pipe2(&(0x7f00000009c0), 0x0) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000080)={'wg1\x00', 0x0}) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) (async) syz_genetlink_get_family_id$ethtool(0x0, r4) bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f0000000140)={0x1b, 0x0, 0x0, 0x0, 0x0, r1, 0x4, '\x00', r3, r4, 0x0, 0x0, 0x2}, 0x48) syz_genetlink_get_family_id$ethtool(0x0, r1) ioctl$RNDADDTOENTCNT(r1, 0x40045201, &(0x7f0000000040)=0x463) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="03007400"]) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="03007400"]) 00:51:20 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 38) [ 2752.122959][ T4397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2752.130818][ T4397] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:20 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r0 = socket(0x5, 0xa, 0xff) syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), r0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), r0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'vxcan0\x00', 0x0}) pipe2(&(0x7f00000009c0), 0x0) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r2) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), r0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000500)={0xffffffffffffffff, 0xe0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000240)=[0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x1, 0x6, &(0x7f0000000280)=[0x0], &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000300)=[{}, {}], 0x10, 0x10, &(0x7f0000000340), &(0x7f0000000380), 0x8, 0x10, 0x8, 0x8, &(0x7f00000003c0)}}, 0x10) sendmsg$ETHTOOL_MSG_WOL_GET(r2, &(0x7f0000000640)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0xa4, r3, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'caif0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0xa4}}, 0x20000014) (async) sendmsg$ETHTOOL_MSG_WOL_GET(r2, &(0x7f0000000640)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0xa4, r3, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'caif0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0xa4}}, 0x20000014) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000140)={'gre0\x00', &(0x7f0000000080)={'tunl0\x00', r1, 0x0, 0x10, 0x2, 0x7, {{0x22, 0x4, 0x2, 0x4, 0x88, 0x68, 0x0, 0x1, 0x29, 0x0, @empty, @remote, {[@timestamp_addr={0x44, 0x1c, 0xcf, 0x1, 0x2, [{@broadcast, 0xfff}, {@initdev={0xac, 0x1e, 0x1, 0x0}}, {@rand_addr=0x64010101, 0x1}]}, @timestamp={0x44, 0x1c, 0x11, 0x0, 0x5, [0x6, 0x80000000, 0x4, 0x37f52a13, 0x0, 0x767c]}, @timestamp={0x44, 0x18, 0x54, 0x0, 0x5, [0x8001, 0x34400, 0x7, 0x41, 0x20]}, @rr={0x7, 0x17, 0xbb, [@rand_addr=0x64010102, @private=0xa010101, @private=0xa010100, @multicast2, @multicast2]}, @lsrr={0x83, 0x7, 0x92, [@multicast1]}, @ra={0x94, 0x4}]}}}}}) 00:51:20 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) r5 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(r5, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:20 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x1f03}, 0x0) 00:51:20 executing program 5: ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg0\x00', 0x0}) sendmsg$GTP_CMD_DELPDP(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@GTPA_I_TEI={0x8, 0x8, 0x1}, @GTPA_FLOW={0x6, 0x6, 0x4}, @GTPA_MS_ADDRESS={0x8, 0x5, @remote}, @GTPA_TID={0xc, 0x3, 0x1}, @GTPA_LINK={0x8, 0x1, r0}, @GTPA_NET_NS_FD={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000040}, 0x4000825) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x78d000, 0x0) [ 2752.185146][ T4421] FAULT_INJECTION: forcing a failure. [ 2752.185146][ T4421] name failslab, interval 1, probability 0, space 0, times 0 [ 2752.206688][ T4421] CPU: 1 PID: 4421 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2752.216845][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2752.226906][ T4421] Call Trace: [ 2752.230152][ T4421] dump_stack_lvl+0x1e2/0x24b [ 2752.234657][ T4421] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2752.239955][ T4421] dump_stack+0x15/0x17 [ 2752.243942][ T4421] should_fail+0x3c6/0x510 [ 2752.248303][ T4421] ? device_create+0x11d/0x2e0 [ 2752.252802][ T4421] __should_failslab+0xa4/0xe0 [ 2752.258285][ T4421] should_failslab+0x9/0x20 [ 2752.262711][ T4421] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2752.267832][ T4421] device_create+0x11d/0x2e0 [ 2752.272249][ T4421] ? root_device_unregister+0x80/0x80 [ 2752.277540][ T4421] ? memset+0x35/0x40 [ 2752.281531][ T4421] ? number+0xb5a/0xf80 [ 2752.285526][ T4421] bdi_register_va+0x93/0x610 [ 2752.290044][ T4421] bdi_register+0xd1/0x120 [ 2752.294306][ T4421] ? vsnprintf+0x1e1/0x1c70 [ 2752.298637][ T4421] ? __device_add_disk+0x552/0x11a0 [ 2752.303666][ T4421] ? bdi_register_va+0x610/0x610 [ 2752.308441][ T4421] ? __kasan_check_read+0x11/0x20 [ 2752.313387][ T4421] ? blk_alloc_devt+0xd7/0x330 [ 2752.317989][ T4421] __device_add_disk+0x5de/0x11a0 [ 2752.322859][ T4421] ? device_add_disk+0x40/0x40 [ 2752.327442][ T4421] ? vsprintf+0x40/0x40 [ 2752.331438][ T4421] ? device_initialize+0x1e1/0x420 [ 2752.336411][ T4421] device_add_disk+0x2a/0x40 [ 2752.340822][ T4421] loop_add+0x580/0x750 [ 2752.344906][ T4421] loop_control_ioctl+0x448/0x620 [ 2752.349804][ T4421] ? loop_remove+0xb0/0xb0 [ 2752.354013][ T4421] ? __fget_files+0x31e/0x380 [ 2752.358745][ T4421] ? security_file_ioctl+0x84/0xb0 [ 2752.363684][ T4421] ? loop_remove+0xb0/0xb0 [ 2752.367927][ T4421] __se_sys_ioctl+0x114/0x190 [ 2752.372441][ T4421] __x64_sys_ioctl+0x7b/0x90 [ 2752.376878][ T4421] do_syscall_64+0x34/0x70 [ 2752.381121][ T4421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2752.386933][ T4421] RIP: 0033:0x7f21011fbba9 [ 2752.391187][ T4421] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2752.410638][ T4421] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2752.419223][ T4421] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2752.427205][ T4421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2752.435022][ T4421] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2752.442823][ T4421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2752.451503][ T4421] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2752.460773][ T4421] ------------[ cut here ]------------ [ 2752.466354][ T4421] WARNING: CPU: 0 PID: 4421 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2752.475292][ T4421] Modules linked in: [ 2752.479233][ T4421] CPU: 0 PID: 4421 Comm: syz-executor.3 Not tainted 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2752.489468][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2752.499448][ T4421] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2752.505056][ T4421] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2752.524633][ T4421] RSP: 0018:ffffc90008b3fbe0 EFLAGS: 00010283 [ 2752.530606][ T4421] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2752.538538][ T4421] RDX: ffffc90003b20000 RSI: 00000000000083ad RDI: 00000000000083ae [ 2752.546336][ T4421] RBP: ffffc90008b3fd30 R08: ffffffff82471949 R09: fffffbfff0d0742f [ 2752.554125][ T4421] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888160fa8068 [ 2752.562065][ T4421] R13: ffff888160fa8000 R14: ffff888160fa8348 R15: ffff88810df37000 [ 2752.569850][ T4421] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2752.578879][ T4421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2752.585259][ T4421] CR2: 0000555556fb5818 CR3: 000000010f074000 CR4: 00000000003506b0 [ 2752.593122][ T4421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2752.600906][ T4421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2752.608710][ T4421] Call Trace: [ 2752.611829][ T4421] ? show_regs+0x58/0x60 [ 2752.615897][ T4421] ? __warn+0x160/0x2f0 [ 2752.619961][ T4421] ? __device_add_disk+0xe1e/0x11a0 [ 2752.624941][ T4421] ? report_bug+0x3d9/0x5b0 [ 2752.629390][ T4421] ? __device_add_disk+0xe1e/0x11a0 [ 2752.634394][ T4421] ? handle_bug+0x41/0x70 [ 2752.638592][ T4421] ? exc_invalid_op+0x1b/0x50 [ 2752.643261][ T4421] ? asm_exc_invalid_op+0x12/0x20 [ 2752.648289][ T4421] ? __device_add_disk+0x5e9/0x11a0 [ 2752.653264][ T4421] ? __device_add_disk+0xe1e/0x11a0 [ 2752.658329][ T4421] ? __device_add_disk+0xe1e/0x11a0 [ 2752.663335][ T4421] ? device_add_disk+0x40/0x40 [ 2752.668160][ T4421] ? vsprintf+0x40/0x40 [ 2752.672197][ T4421] ? device_initialize+0x1e1/0x420 [ 2752.677226][ T4421] device_add_disk+0x2a/0x40 [ 2752.681568][ T4421] loop_add+0x580/0x750 [ 2752.685729][ T4421] loop_control_ioctl+0x448/0x620 [ 2752.690801][ T4421] ? loop_remove+0xb0/0xb0 [ 2752.695029][ T4421] ? __fget_files+0x31e/0x380 [ 2752.699571][ T4421] ? security_file_ioctl+0x84/0xb0 [ 2752.704480][ T4421] ? loop_remove+0xb0/0xb0 [ 2752.709034][ T4421] __se_sys_ioctl+0x114/0x190 [ 2752.713509][ T4421] __x64_sys_ioctl+0x7b/0x90 [ 2752.717970][ T4421] do_syscall_64+0x34/0x70 [ 2752.722275][ T4421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2752.728033][ T4421] RIP: 0033:0x7f21011fbba9 [ 2752.732259][ T4421] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2752.751769][ T4421] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2752.760304][ T4421] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2752.768125][ T4421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2752.775901][ T4421] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:20 executing program 5: ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg0\x00', 0x0}) sendmsg$GTP_CMD_DELPDP(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@GTPA_I_TEI={0x8, 0x8, 0x1}, @GTPA_FLOW={0x6, 0x6, 0x4}, @GTPA_MS_ADDRESS={0x8, 0x5, @remote}, @GTPA_TID={0xc, 0x3, 0x1}, @GTPA_LINK={0x8, 0x1, r0}, @GTPA_NET_NS_FD={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000040}, 0x4000825) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x78d000, 0x0) 00:51:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2000}, 0x0) 00:51:20 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000040)={0x0, 0x1, 0x5, 0x8000, @vifc_lcl_addr=@private=0xa010101, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) 00:51:20 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 39) [ 2752.783748][ T4421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2752.791545][ T4421] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2752.799458][ T4421] ---[ end trace e38559e1ffcc9c65 ]--- 00:51:21 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) r5 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(r5, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:21 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:21 executing program 5: ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wg0\x00', 0x0}) sendmsg$GTP_CMD_DELPDP(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@GTPA_I_TEI={0x8, 0x8, 0x1}, @GTPA_FLOW={0x6, 0x6, 0x4}, @GTPA_MS_ADDRESS={0x8, 0x5, @remote}, @GTPA_TID={0xc, 0x3, 0x1}, @GTPA_LINK={0x8, 0x1, r0}, @GTPA_NET_NS_FD={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000040}, 0x4000825) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x78d000, 0x0) 00:51:21 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2001}, 0x0) 00:51:21 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000040)={0x0, 0x1, 0x5, 0x8000, @vifc_lcl_addr=@private=0xa010101, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000040)={0x0, 0x1, 0x5, 0x8000, @vifc_lcl_addr=@private=0xa010101, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) (async) [ 2752.905951][ T4444] FAULT_INJECTION: forcing a failure. [ 2752.905951][ T4444] name failslab, interval 1, probability 0, space 0, times 0 [ 2752.920955][ T4444] CPU: 1 PID: 4444 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2752.932411][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2752.942302][ T4444] Call Trace: [ 2752.945447][ T4444] dump_stack_lvl+0x1e2/0x24b [ 2752.949953][ T4444] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2752.955244][ T4444] dump_stack+0x15/0x17 [ 2752.959248][ T4444] should_fail+0x3c6/0x510 [ 2752.963493][ T4444] ? kvasprintf_const+0x13b/0x190 [ 2752.968444][ T4444] __should_failslab+0xa4/0xe0 [ 2752.973042][ T4444] should_failslab+0x9/0x20 [ 2752.977375][ T4444] __kmalloc_track_caller+0x5f/0x320 [ 2752.982502][ T4444] ? __hrtimer_init+0x17c/0x260 [ 2752.987185][ T4444] kstrdup_const+0x55/0x90 [ 2752.991577][ T4444] kvasprintf_const+0x13b/0x190 [ 2752.996229][ T4444] kobject_set_name_vargs+0x61/0x120 [ 2753.001358][ T4444] device_create+0x223/0x2e0 [ 2753.005788][ T4444] ? root_device_unregister+0x80/0x80 [ 2753.011072][ T4444] ? memset+0x35/0x40 [ 2753.014885][ T4444] ? number+0xb5a/0xf80 [ 2753.019065][ T4444] bdi_register_va+0x93/0x610 [ 2753.023571][ T4444] bdi_register+0xd1/0x120 [ 2753.027836][ T4444] ? vsnprintf+0x1e1/0x1c70 [ 2753.032159][ T4444] ? __device_add_disk+0x552/0x11a0 [ 2753.037220][ T4444] ? bdi_register_va+0x610/0x610 [ 2753.041970][ T4444] ? __kasan_check_read+0x11/0x20 [ 2753.046913][ T4444] ? blk_alloc_devt+0xd7/0x330 [ 2753.051517][ T4444] __device_add_disk+0x5de/0x11a0 [ 2753.056478][ T4444] ? device_add_disk+0x40/0x40 [ 2753.061146][ T4444] ? vsprintf+0x40/0x40 [ 2753.065147][ T4444] ? device_initialize+0x1e1/0x420 [ 2753.070093][ T4444] device_add_disk+0x2a/0x40 [ 2753.074514][ T4444] loop_add+0x580/0x750 [ 2753.078509][ T4444] loop_control_ioctl+0x448/0x620 [ 2753.083375][ T4444] ? loop_remove+0xb0/0xb0 [ 2753.087619][ T4444] ? __fget_files+0x31e/0x380 [ 2753.092148][ T4444] ? security_file_ioctl+0x84/0xb0 [ 2753.097085][ T4444] ? loop_remove+0xb0/0xb0 [ 2753.101346][ T4444] __se_sys_ioctl+0x114/0x190 [ 2753.106050][ T4444] __x64_sys_ioctl+0x7b/0x90 [ 2753.110467][ T4444] do_syscall_64+0x34/0x70 [ 2753.114811][ T4444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2753.120534][ T4444] RIP: 0033:0x7f21011fbba9 [ 2753.124797][ T4444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2753.144323][ T4444] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2753.152553][ T4444] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2753.160361][ T4444] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2753.168189][ T4444] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2753.176335][ T4444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2753.184139][ T4444] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2753.194987][ T4444] ------------[ cut here ]------------ [ 2753.200357][ T4444] WARNING: CPU: 1 PID: 4444 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2753.209535][ T4444] Modules linked in: [ 2753.213291][ T4444] CPU: 1 PID: 4444 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2753.224805][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2753.234715][ T4444] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2753.240340][ T4444] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2753.259898][ T4444] RSP: 0018:ffffc90008d3fbe0 EFLAGS: 00010283 [ 2753.265891][ T4444] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2753.273849][ T4444] RDX: ffffc90003b20000 RSI: 0000000000008f75 RDI: 0000000000008f76 [ 2753.281734][ T4444] RBP: ffffc90008d3fd30 R08: ffffffff82471949 R09: 0000000000000003 [ 2753.289565][ T4444] R10: fffff520011a7e8c R11: dffffc0000000001 R12: ffff888118aae068 [ 2753.297347][ T4444] R13: ffff888118aae000 R14: ffff888118aae348 R15: ffff888118aac000 [ 2753.305131][ T4444] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2753.313987][ T4444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2753.320820][ T4444] CR2: 00007f56351fed58 CR3: 000000010a8ac000 CR4: 00000000003506b0 [ 2753.328722][ T4444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2753.336547][ T4444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2753.344311][ T4444] Call Trace: [ 2753.347609][ T4444] ? show_regs+0x58/0x60 [ 2753.351769][ T4444] ? __warn+0x160/0x2f0 [ 2753.355732][ T4444] ? __device_add_disk+0xe1e/0x11a0 [ 2753.360911][ T4444] ? report_bug+0x3d9/0x5b0 [ 2753.365207][ T4444] ? __device_add_disk+0xe1e/0x11a0 [ 2753.370268][ T4444] ? handle_bug+0x41/0x70 [ 2753.374605][ T4444] ? exc_invalid_op+0x1b/0x50 [ 2753.379293][ T4444] ? asm_exc_invalid_op+0x12/0x20 [ 2753.384309][ T4444] ? __device_add_disk+0x5e9/0x11a0 [ 2753.389673][ T4444] ? __device_add_disk+0xe1e/0x11a0 [ 2753.394813][ T4444] ? __device_add_disk+0xe1e/0x11a0 [ 2753.400233][ T4444] ? device_add_disk+0x40/0x40 [ 2753.405438][ T4444] ? vsprintf+0x40/0x40 [ 2753.409466][ T4444] ? device_initialize+0x1e1/0x420 [ 2753.414712][ T4444] device_add_disk+0x2a/0x40 [ 2753.419957][ T4444] loop_add+0x580/0x750 [ 2753.424437][ T4444] loop_control_ioctl+0x448/0x620 [ 2753.429446][ T4444] ? loop_remove+0xb0/0xb0 [ 2753.434157][ T4444] ? __fget_files+0x31e/0x380 [ 2753.438749][ T4444] ? security_file_ioctl+0x84/0xb0 [ 2753.443797][ T4444] ? loop_remove+0xb0/0xb0 [ 2753.448384][ T4444] __se_sys_ioctl+0x114/0x190 [ 2753.453300][ T4444] __x64_sys_ioctl+0x7b/0x90 [ 2753.457971][ T4444] do_syscall_64+0x34/0x70 [ 2753.462301][ T4444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2753.468445][ T4444] RIP: 0033:0x7f21011fbba9 [ 2753.472725][ T4444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2753.492563][ T4444] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:21 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) r5 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(r5, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:21 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0xc2, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:21 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2002}, 0x0) 00:51:21 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 40) [ 2753.501286][ T4444] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2753.509313][ T4444] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2753.517195][ T4444] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2753.525004][ T4444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2753.532831][ T4444] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2753.540607][ T4444] ---[ end trace e38559e1ffcc9c66 ]--- 00:51:21 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2003}, 0x0) 00:51:21 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:21 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:21 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0xc2, 0x0) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) [ 2753.588009][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:21 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:21 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000040)={0x0, 0x1, 0x5, 0x8000, @vifc_lcl_addr=@private=0xa010101, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) setsockopt$MRT_ADD_VIF(0xffffffffffffffff, 0x0, 0xca, &(0x7f0000000040)={0x0, 0x1, 0x5, 0x8000, @vifc_lcl_addr=@private=0xa010101, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) (async) [ 2753.635643][ T4475] FAULT_INJECTION: forcing a failure. [ 2753.635643][ T4475] name failslab, interval 1, probability 0, space 0, times 0 [ 2753.649535][ T4475] CPU: 1 PID: 4475 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2753.661443][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2753.671328][ T4475] Call Trace: [ 2753.674465][ T4475] dump_stack_lvl+0x1e2/0x24b [ 2753.678975][ T4475] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2753.684291][ T4475] dump_stack+0x15/0x17 [ 2753.688353][ T4475] should_fail+0x3c6/0x510 [ 2753.692601][ T4475] ? device_add+0xbe/0xbc0 [ 2753.696939][ T4475] __should_failslab+0xa4/0xe0 [ 2753.701541][ T4475] should_failslab+0x9/0x20 [ 2753.705886][ T4475] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2753.711175][ T4475] ? __kasan_check_write+0x14/0x20 [ 2753.716138][ T4475] device_add+0xbe/0xbc0 [ 2753.720199][ T4475] ? kobject_set_name_vargs+0xce/0x120 [ 2753.725497][ T4475] device_create+0x259/0x2e0 [ 2753.729923][ T4475] ? root_device_unregister+0x80/0x80 [ 2753.735133][ T4475] ? memset+0x35/0x40 [ 2753.738944][ T4475] ? number+0xb5a/0xf80 [ 2753.742938][ T4475] bdi_register_va+0x93/0x610 [ 2753.747597][ T4475] bdi_register+0xd1/0x120 [ 2753.751858][ T4475] ? vsnprintf+0x1e1/0x1c70 [ 2753.756179][ T4475] ? __device_add_disk+0x552/0x11a0 [ 2753.761233][ T4475] ? bdi_register_va+0x610/0x610 [ 2753.766004][ T4475] ? __kasan_check_read+0x11/0x20 [ 2753.770847][ T4475] ? blk_alloc_devt+0xd7/0x330 [ 2753.775444][ T4475] __device_add_disk+0x5de/0x11a0 [ 2753.780371][ T4475] ? device_add_disk+0x40/0x40 [ 2753.784924][ T4475] ? vsprintf+0x40/0x40 [ 2753.788988][ T4475] ? device_initialize+0x1e1/0x420 [ 2753.793956][ T4475] device_add_disk+0x2a/0x40 [ 2753.798361][ T4475] loop_add+0x580/0x750 [ 2753.802348][ T4475] loop_control_ioctl+0x448/0x620 [ 2753.807208][ T4475] ? loop_remove+0xb0/0xb0 [ 2753.811474][ T4475] ? __fget_files+0x31e/0x380 [ 2753.815983][ T4475] ? security_file_ioctl+0x84/0xb0 [ 2753.820923][ T4475] ? loop_remove+0xb0/0xb0 [ 2753.825176][ T4475] __se_sys_ioctl+0x114/0x190 [ 2753.829690][ T4475] __x64_sys_ioctl+0x7b/0x90 [ 2753.834120][ T4475] do_syscall_64+0x34/0x70 [ 2753.838373][ T4475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2753.844219][ T4475] RIP: 0033:0x7f21011fbba9 [ 2753.848601][ T4475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2753.868036][ T4475] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2753.876462][ T4475] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:22 executing program 5: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0xc2, 0x0) (async) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) 00:51:22 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x201c}, 0x0) [ 2753.884618][ T4475] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2753.892513][ T4475] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2753.900455][ T4475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2753.908477][ T4475] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2753.918709][ T4475] ------------[ cut here ]------------ [ 2753.924226][ T4475] WARNING: CPU: 0 PID: 4475 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2753.933414][ T4475] Modules linked in: [ 2753.937309][ T4475] CPU: 1 PID: 4475 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2753.949053][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2753.959363][ T4475] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2753.965024][ T4475] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2753.985029][ T4475] RSP: 0018:ffffc90008d87be0 EFLAGS: 00010283 [ 2753.991125][ T4475] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2753.999309][ T4475] RDX: ffffc90003b20000 RSI: 0000000000008ee5 RDI: 0000000000008ee6 [ 2754.007272][ T4475] RBP: ffffc90008d87d30 R08: ffffffff82471949 R09: 0000000000000003 [ 2754.015083][ T4475] R10: fffff520011b0e94 R11: dffffc0000000001 R12: ffff888117aab068 [ 2754.023183][ T4475] R13: ffff888117aab000 R14: ffff888117aab348 R15: ffff888117aac000 [ 2754.031122][ T4475] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2754.040316][ T4475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2754.046905][ T4475] CR2: 00007f461758bd58 CR3: 000000012ee27000 CR4: 00000000003506a0 [ 2754.054733][ T4475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2754.062941][ T4475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2754.070860][ T4475] Call Trace: [ 2754.073944][ T4475] ? show_regs+0x58/0x60 [ 2754.078150][ T4475] ? __warn+0x160/0x2f0 [ 2754.082309][ T4475] ? __device_add_disk+0xe1e/0x11a0 [ 2754.087531][ T4475] ? report_bug+0x3d9/0x5b0 [ 2754.091954][ T4475] ? __device_add_disk+0xe1e/0x11a0 [ 2754.097027][ T4475] ? handle_bug+0x41/0x70 [ 2754.101260][ T4475] ? exc_invalid_op+0x1b/0x50 [ 2754.105772][ T4475] ? asm_exc_invalid_op+0x12/0x20 [ 2754.110813][ T4475] ? __device_add_disk+0x5e9/0x11a0 [ 2754.115929][ T4475] ? __device_add_disk+0xe1e/0x11a0 [ 2754.121108][ T4475] ? __device_add_disk+0xe1e/0x11a0 [ 2754.126242][ T4475] ? device_add_disk+0x40/0x40 [ 2754.130917][ T4475] ? vsprintf+0x40/0x40 [ 2754.135072][ T4475] ? device_initialize+0x1e1/0x420 [ 2754.140460][ T4475] device_add_disk+0x2a/0x40 [ 2754.145293][ T4475] loop_add+0x580/0x750 [ 2754.149532][ T4475] loop_control_ioctl+0x448/0x620 [ 2754.154438][ T4475] ? loop_remove+0xb0/0xb0 [ 2754.158857][ T4475] ? __fget_files+0x31e/0x380 [ 2754.163523][ T4475] ? security_file_ioctl+0x84/0xb0 [ 2754.168641][ T4475] ? loop_remove+0xb0/0xb0 [ 2754.172964][ T4475] __se_sys_ioctl+0x114/0x190 [ 2754.177643][ T4475] __x64_sys_ioctl+0x7b/0x90 [ 2754.182099][ T4475] do_syscall_64+0x34/0x70 [ 2754.186498][ T4475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2754.192398][ T4475] RIP: 0033:0x7f21011fbba9 [ 2754.196841][ T4475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2754.216378][ T4475] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2754.224824][ T4475] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:22 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 41) [ 2754.232672][ T4475] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2754.240557][ T4475] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2754.248506][ T4475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2754.256376][ T4475] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2754.264704][ T4475] ---[ end trace e38559e1ffcc9c67 ]--- 00:51:22 executing program 5: pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$HCIINQUIRY(r1, 0x800448f0, &(0x7f00000000c0)={0x3, 0x6, "5296a6", 0x40, 0x1f}) syz_genetlink_get_family_id$ethtool(0x0, r0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r3) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) getpeername$packet(r0, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000140)={0x2, 0x4, 0x8, 0x1, 0x80, r4, 0x1000, '\x00', r5, r0, 0x4, 0x5, 0x5}, 0x48) ioctl$RFKILL_IOCTL_NOINPUT(r3, 0x5201) 00:51:22 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2100}, 0x0) 00:51:22 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:22 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x18f1c0, 0x0) 00:51:22 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:22 executing program 5: pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$HCIINQUIRY(r1, 0x800448f0, &(0x7f00000000c0)={0x3, 0x6, "5296a6", 0x40, 0x1f}) (async) syz_genetlink_get_family_id$ethtool(0x0, r0) (async) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) (async, rerun: 32) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r3) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) getpeername$packet(r0, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000140)={0x2, 0x4, 0x8, 0x1, 0x80, r4, 0x1000, '\x00', r5, r0, 0x4, 0x5, 0x5}, 0x48) (async) ioctl$RFKILL_IOCTL_NOINPUT(r3, 0x5201) [ 2754.310803][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:22 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x18f1c0, 0x0) 00:51:22 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2101}, 0x0) [ 2754.364985][ T4500] FAULT_INJECTION: forcing a failure. [ 2754.364985][ T4500] name failslab, interval 1, probability 0, space 0, times 0 [ 2754.379055][ T4500] CPU: 1 PID: 4500 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2754.390884][ T4500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2754.400751][ T4500] Call Trace: [ 2754.404048][ T4500] dump_stack_lvl+0x1e2/0x24b [ 2754.408553][ T4500] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2754.413852][ T4500] dump_stack+0x15/0x17 [ 2754.417838][ T4500] should_fail+0x3c6/0x510 [ 2754.422175][ T4500] ? device_add+0xbe/0xbc0 [ 2754.426581][ T4500] __should_failslab+0xa4/0xe0 [ 2754.431156][ T4500] should_failslab+0x9/0x20 [ 2754.435488][ T4500] kmem_cache_alloc_trace+0x3a/0x2e0 [ 2754.440614][ T4500] ? __kasan_check_write+0x14/0x20 [ 2754.445558][ T4500] device_add+0xbe/0xbc0 [ 2754.449635][ T4500] ? kobject_set_name_vargs+0xce/0x120 [ 2754.454927][ T4500] device_create+0x259/0x2e0 [ 2754.459534][ T4500] ? root_device_unregister+0x80/0x80 [ 2754.464737][ T4500] ? memset+0x35/0x40 [ 2754.468556][ T4500] ? number+0xb5a/0xf80 [ 2754.472723][ T4500] bdi_register_va+0x93/0x610 [ 2754.477244][ T4500] bdi_register+0xd1/0x120 [ 2754.481487][ T4500] ? vsnprintf+0x1e1/0x1c70 [ 2754.485842][ T4500] ? __device_add_disk+0x552/0x11a0 [ 2754.490883][ T4500] ? bdi_register_va+0x610/0x610 [ 2754.495636][ T4500] ? __kasan_check_read+0x11/0x20 [ 2754.500503][ T4500] ? blk_alloc_devt+0xd7/0x330 [ 2754.505123][ T4500] __device_add_disk+0x5de/0x11a0 [ 2754.509962][ T4500] ? device_add_disk+0x40/0x40 [ 2754.514554][ T4500] ? vsprintf+0x40/0x40 [ 2754.518548][ T4500] ? device_initialize+0x1e1/0x420 [ 2754.523493][ T4500] device_add_disk+0x2a/0x40 [ 2754.527919][ T4500] loop_add+0x580/0x750 [ 2754.531912][ T4500] loop_control_ioctl+0x448/0x620 [ 2754.536770][ T4500] ? loop_remove+0xb0/0xb0 [ 2754.541025][ T4500] ? __fget_files+0x31e/0x380 [ 2754.545542][ T4500] ? security_file_ioctl+0x84/0xb0 [ 2754.550508][ T4500] ? loop_remove+0xb0/0xb0 [ 2754.554766][ T4500] __se_sys_ioctl+0x114/0x190 [ 2754.559280][ T4500] __x64_sys_ioctl+0x7b/0x90 [ 2754.563700][ T4500] do_syscall_64+0x34/0x70 [ 2754.567941][ T4500] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2754.573692][ T4500] RIP: 0033:0x7f21011fbba9 [ 2754.577917][ T4500] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2754.597353][ T4500] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2754.605596][ T4500] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2754.613436][ T4500] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2754.621233][ T4500] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2754.629048][ T4500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2754.636868][ T4500] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2754.647173][ T4500] ------------[ cut here ]------------ [ 2754.652580][ T4500] WARNING: CPU: 1 PID: 4500 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2754.661582][ T4500] Modules linked in: [ 2754.665307][ T4500] CPU: 0 PID: 4500 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2754.677014][ T4500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2754.687042][ T4500] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2754.692622][ T4500] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2754.712481][ T4500] RSP: 0018:ffffc9000901fbe0 EFLAGS: 00010287 [ 2754.718426][ T4500] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2754.726215][ T4500] RDX: ffffc90003b20000 RSI: 0000000000008c58 RDI: 0000000000008c59 [ 2754.734265][ T4500] RBP: ffffc9000901fd30 R08: ffffffff82471949 R09: ffffc9000901f630 [ 2754.742132][ T4500] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88811a78c068 [ 2754.749890][ T4500] R13: ffff88811a78c000 R14: ffff88811a78c348 R15: ffff88810f5ce000 [ 2754.757716][ T4500] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2754.766469][ T4500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2754.772878][ T4500] CR2: 00007f56351ddd58 CR3: 000000012cb47000 CR4: 00000000003506b0 [ 2754.780727][ T4500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2754.788513][ T4500] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2754.796558][ T4500] Call Trace: [ 2754.799650][ T4500] ? show_regs+0x58/0x60 [ 2754.803729][ T4500] ? __warn+0x160/0x2f0 [ 2754.807745][ T4500] ? __device_add_disk+0xe1e/0x11a0 [ 2754.812755][ T4500] ? report_bug+0x3d9/0x5b0 [ 2754.817124][ T4500] ? __device_add_disk+0xe1e/0x11a0 [ 2754.822263][ T4500] ? handle_bug+0x41/0x70 [ 2754.826500][ T4500] ? exc_invalid_op+0x1b/0x50 [ 2754.830922][ T4500] ? asm_exc_invalid_op+0x12/0x20 [ 2754.835813][ T4500] ? __device_add_disk+0x5e9/0x11a0 [ 2754.841031][ T4500] ? __device_add_disk+0xe1e/0x11a0 [ 2754.846023][ T4500] ? __device_add_disk+0xe1e/0x11a0 [ 2754.851102][ T4500] ? device_add_disk+0x40/0x40 [ 2754.855640][ T4500] ? vsprintf+0x40/0x40 [ 2754.859675][ T4500] ? device_initialize+0x1e1/0x420 [ 2754.864578][ T4500] device_add_disk+0x2a/0x40 [ 2754.869038][ T4500] loop_add+0x580/0x750 [ 2754.872994][ T4500] loop_control_ioctl+0x448/0x620 [ 2754.877908][ T4500] ? loop_remove+0xb0/0xb0 [ 2754.882114][ T4500] ? __fget_files+0x31e/0x380 [ 2754.886665][ T4500] ? security_file_ioctl+0x84/0xb0 [ 2754.891572][ T4500] ? loop_remove+0xb0/0xb0 [ 2754.895834][ T4500] __se_sys_ioctl+0x114/0x190 [ 2754.900373][ T4500] __x64_sys_ioctl+0x7b/0x90 [ 2754.904767][ T4500] do_syscall_64+0x34/0x70 [ 2754.909059][ T4500] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2754.914741][ T4500] RIP: 0033:0x7f21011fbba9 [ 2754.919033][ T4500] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2754.938477][ T4500] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2754.946831][ T4500] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2754.954606][ T4500] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:23 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 42) 00:51:23 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x18f1c0, 0x0) [ 2754.962485][ T4500] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2754.970330][ T4500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2754.978164][ T4500] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2754.985939][ T4500] ---[ end trace e38559e1ffcc9c68 ]--- 00:51:23 executing program 5: pipe2(&(0x7f00000009c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$HCIINQUIRY(r1, 0x800448f0, &(0x7f00000000c0)={0x3, 0x6, "5296a6", 0x40, 0x1f}) (async) syz_genetlink_get_family_id$ethtool(0x0, r0) (async) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) (async) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f0000000100)=ANY=[@ANYBLOB="030000002411"]) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r3) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r4) (async) getpeername$packet(r0, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000140)={0x2, 0x4, 0x8, 0x1, 0x80, r4, 0x1000, '\x00', r5, r0, 0x4, 0x5, 0x5}, 0x48) (async) ioctl$RFKILL_IOCTL_NOINPUT(r3, 0x5201) 00:51:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2102}, 0x0) 00:51:23 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2755.019757][ T4517] __nla_validate_parse: 11 callbacks suppressed [ 2755.019768][ T4517] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2755.041043][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2755.059422][ T4525] FAULT_INJECTION: forcing a failure. 00:51:23 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2103}, 0x0) [ 2755.059422][ T4525] name failslab, interval 1, probability 0, space 0, times 0 [ 2755.065597][ T4526] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2755.076571][ T4525] CPU: 1 PID: 4525 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2755.092412][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2755.102293][ T4525] Call Trace: [ 2755.105430][ T4525] dump_stack_lvl+0x1e2/0x24b [ 2755.110084][ T4525] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2755.115363][ T4525] dump_stack+0x15/0x17 [ 2755.119349][ T4525] should_fail+0x3c6/0x510 [ 2755.123661][ T4525] ? __kernfs_new_node+0xdb/0x700 [ 2755.128482][ T4525] __should_failslab+0xa4/0xe0 [ 2755.133060][ T4525] should_failslab+0x9/0x20 [ 2755.137401][ T4525] kmem_cache_alloc+0x3d/0x2e0 [ 2755.142018][ T4525] __kernfs_new_node+0xdb/0x700 [ 2755.146685][ T4525] ? kernfs_new_node+0x170/0x170 [ 2755.151460][ T4525] ? stack_trace_save+0x113/0x1c0 [ 2755.156337][ T4525] ? kasan_unpoison+0x61/0x80 [ 2755.160831][ T4525] ? stack_trace_snprint+0xf0/0xf0 [ 2755.165778][ T4525] ? __kasan_slab_alloc+0x63/0xe0 [ 2755.170762][ T4525] ? device_add+0xbe/0xbc0 [ 2755.175013][ T4525] kernfs_create_dir_ns+0x9b/0x230 [ 2755.179953][ T4525] sysfs_create_dir_ns+0x185/0x390 [ 2755.184906][ T4525] ? sysfs_warn_dup+0xa0/0xa0 [ 2755.189451][ T4525] kobject_add_internal+0x763/0xd90 [ 2755.194459][ T4525] kobject_add+0x14e/0x210 [ 2755.198709][ T4525] ? _raw_spin_lock+0xa4/0x1b0 [ 2755.203313][ T4525] ? kobject_init+0x1e0/0x1e0 [ 2755.207820][ T4525] ? __kasan_check_write+0x14/0x20 [ 2755.212767][ T4525] ? mutex_unlock+0x1c/0x40 [ 2755.217100][ T4525] ? get_device_parent+0x2a1/0x410 [ 2755.222165][ T4525] device_add+0x3be/0xbc0 [ 2755.226325][ T4525] device_create+0x259/0x2e0 [ 2755.230761][ T4525] ? root_device_unregister+0x80/0x80 [ 2755.235955][ T4525] ? memset+0x35/0x40 [ 2755.239771][ T4525] ? number+0xb5a/0xf80 [ 2755.243766][ T4525] bdi_register_va+0x93/0x610 [ 2755.248277][ T4525] bdi_register+0xd1/0x120 [ 2755.252527][ T4525] ? vsnprintf+0x1e1/0x1c70 [ 2755.256874][ T4525] ? __device_add_disk+0x552/0x11a0 [ 2755.261905][ T4525] ? bdi_register_va+0x610/0x610 [ 2755.266685][ T4525] ? __kasan_check_read+0x11/0x20 [ 2755.271537][ T4525] ? blk_alloc_devt+0xd7/0x330 [ 2755.276144][ T4525] __device_add_disk+0x5de/0x11a0 [ 2755.281001][ T4525] ? device_add_disk+0x40/0x40 [ 2755.285598][ T4525] ? vsprintf+0x40/0x40 [ 2755.289600][ T4525] ? device_initialize+0x1e1/0x420 [ 2755.294541][ T4525] device_add_disk+0x2a/0x40 [ 2755.299076][ T4525] loop_add+0x580/0x750 [ 2755.303066][ T4525] loop_control_ioctl+0x448/0x620 [ 2755.307926][ T4525] ? loop_remove+0xb0/0xb0 [ 2755.312178][ T4525] ? __fget_files+0x31e/0x380 [ 2755.316701][ T4525] ? security_file_ioctl+0x84/0xb0 [ 2755.321642][ T4525] ? loop_remove+0xb0/0xb0 [ 2755.326039][ T4525] __se_sys_ioctl+0x114/0x190 [ 2755.330551][ T4525] __x64_sys_ioctl+0x7b/0x90 [ 2755.334973][ T4525] do_syscall_64+0x34/0x70 [ 2755.339212][ T4525] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2755.344936][ T4525] RIP: 0033:0x7f21011fbba9 [ 2755.349212][ T4525] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2755.368637][ T4525] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2755.376886][ T4525] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2755.384773][ T4525] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2755.392583][ T4525] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2755.400512][ T4525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2755.408325][ T4525] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:23 executing program 1: ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000140)={'ip_vti0\x00', &(0x7f0000000080)={'sit0\x00', 0x0, 0x7800, 0x1, 0x2, 0xfffffffd, {{0x1f, 0x4, 0x0, 0x32, 0x7c, 0x67, 0x0, 0x28, 0x4, 0x0, @rand_addr=0x64010102, @local, {[@lsrr={0x83, 0xf, 0x57, [@remote, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x3e}]}, @noop, @timestamp_prespec={0x44, 0x24, 0x78, 0x3, 0x6, [{@private=0xa010101, 0x36b8}, {@dev={0xac, 0x14, 0x14, 0x24}, 0x8}, {@local, 0x1ff}, {@rand_addr=0x64010101, 0xfffffff7}]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0x8, 0x2e, 0x0, 0x1, [0x5]}, @timestamp={0x44, 0x1c, 0x4b, 0x0, 0xe, [0x20, 0x4, 0x2, 0xffff, 0x5, 0x2]}, @timestamp={0x44, 0xc, 0xf2, 0x0, 0x7, [0x81, 0x0]}]}}}}}) r1 = socket$inet(0x2, 0x0, 0x7) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000340)={'erspan0\x00', &(0x7f0000000380)={'syztnl1\x00', r3, 0x8000, 0x8700, 0x61, 0x4, {{0x17, 0x4, 0x2, 0x0, 0x5c, 0x67, 0x0, 0x2, 0x29, 0x0, @empty, @loopback, {[@timestamp_prespec={0x44, 0x34, 0x93, 0x3, 0x1, [{@dev={0xac, 0x14, 0x14, 0x2a}, 0x10001}, {@local}, {@dev={0xac, 0x14, 0x14, 0x30}}, {@dev={0xac, 0x14, 0x14, 0x1e}, 0xdb54}, {@broadcast, 0x6000000}, {@rand_addr=0x64010101, 0xffffffff}]}, @timestamp_prespec={0x44, 0x14, 0x4d, 0x3, 0x6, [{@initdev={0xac, 0x1e, 0x0, 0x0}, 0x7}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x9e}]}]}}}}}) r4 = socket$inet_udplite(0x2, 0x2, 0x88) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r4, 0x89f2, &(0x7f0000000280)={'syztnl0\x00', &(0x7f00000001c0)={'tunl0\x00', r6, 0xc1, 0x7, 0x7fffffff, 0x2, {{0x1a, 0x4, 0x2, 0x7, 0x68, 0x68, 0x0, 0x5, 0x29, 0x0, @broadcast, @rand_addr=0x64010102, {[@ssrr={0x89, 0x17, 0xd7, [@initdev={0xac, 0x1e, 0x1, 0x0}, @local, @broadcast, @private=0xa010100, @loopback]}, @lsrr={0x83, 0x7, 0x13, [@remote]}, @lsrr={0x83, 0x13, 0xa5, [@private=0xa010100, @empty, @broadcast, @empty]}, @generic={0x88, 0x6, "6424ba25"}, @end, @end, @ra={0x94, 0x4, 0x1}, @timestamp_prespec={0x44, 0x14, 0xfe, 0x3, 0x0, [{@local, 0x17d0}, {@multicast2, 0x5}]}]}}}}}) bind$packet(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x4, r0, 0x1, 0x5, 0x6, @multicast}, 0x14) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000d40)={&(0x7f0000000cc0)={0x4c, r8, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3e7c}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}]}, 0x4c}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(r7, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x40, r8, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x7}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffff6e3}]}, 0x40}}, 0x8000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r9) ioctl$RNDZAPENTCNT(r9, 0x5204, &(0x7f0000000040)=0x80000001) [ 2755.418715][ T4525] kobject_add_internal failed for 7:0 (error: -12 parent: bdi) [ 2755.426310][ T4525] ------------[ cut here ]------------ [ 2755.431882][ T4525] WARNING: CPU: 1 PID: 4525 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2755.440878][ T4525] Modules linked in: [ 2755.444674][ T4525] CPU: 1 PID: 4525 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2755.456467][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2755.466664][ T4525] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2755.472339][ T4525] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2755.491956][ T4525] RSP: 0018:ffffc90008f97be0 EFLAGS: 00010283 [ 2755.497950][ T4525] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2755.505784][ T4525] RDX: ffffc90003b20000 RSI: 0000000000019f28 RDI: 0000000000019f29 [ 2755.513629][ T4525] RBP: ffffc90008f97d30 R08: ffffffff82471949 R09: ffffc90008f97630 [ 2755.521416][ T4525] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812bb00068 [ 2755.529257][ T4525] R13: ffff88812bb00000 R14: ffff88812bb00348 R15: ffff88812bb07000 [ 2755.537041][ T4525] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2755.545783][ T4525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2755.552257][ T4525] CR2: 00005555573d2818 CR3: 0000000118f1e000 CR4: 00000000003506a0 [ 2755.560218][ T4525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2755.567997][ T4525] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2755.575779][ T4525] Call Trace: [ 2755.578940][ T4525] ? show_regs+0x58/0x60 [ 2755.582985][ T4525] ? __warn+0x160/0x2f0 [ 2755.587020][ T4525] ? __device_add_disk+0xe1e/0x11a0 [ 2755.592020][ T4525] ? report_bug+0x3d9/0x5b0 [ 2755.596378][ T4525] ? __device_add_disk+0xe1e/0x11a0 [ 2755.601389][ T4525] ? handle_bug+0x41/0x70 [ 2755.605540][ T4525] ? exc_invalid_op+0x1b/0x50 [ 2755.610097][ T4525] ? asm_exc_invalid_op+0x12/0x20 [ 2755.614944][ T4525] ? __device_add_disk+0x5e9/0x11a0 [ 2755.619989][ T4525] ? __device_add_disk+0xe1e/0x11a0 [ 2755.625080][ T4525] ? __device_add_disk+0xe1e/0x11a0 [ 2755.630235][ T4525] ? device_add_disk+0x40/0x40 [ 2755.634863][ T4525] ? vsprintf+0x40/0x40 [ 2755.638933][ T4525] ? device_initialize+0x1e1/0x420 [ 2755.643834][ T4525] device_add_disk+0x2a/0x40 [ 2755.648280][ T4525] loop_add+0x580/0x750 [ 2755.652345][ T4525] loop_control_ioctl+0x448/0x620 [ 2755.657266][ T4525] ? loop_remove+0xb0/0xb0 [ 2755.661497][ T4525] ? __fget_files+0x31e/0x380 [ 2755.665959][ T4525] ? security_file_ioctl+0x84/0xb0 [ 2755.670925][ T4525] ? loop_remove+0xb0/0xb0 [ 2755.675228][ T4525] __se_sys_ioctl+0x114/0x190 [ 2755.679766][ T4525] __x64_sys_ioctl+0x7b/0x90 [ 2755.684280][ T4525] do_syscall_64+0x34/0x70 [ 2755.688624][ T4525] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2755.694434][ T4525] RIP: 0033:0x7f21011fbba9 [ 2755.698855][ T4525] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:23 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 43) [ 2755.718459][ T4525] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2755.727025][ T4525] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2755.734815][ T4525] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2755.742691][ T4525] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2755.750459][ T4525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2755.758284][ T4525] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2755.766103][ T4525] ---[ end trace e38559e1ffcc9c69 ]--- 00:51:23 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2200}, 0x0) 00:51:23 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2755.785127][ T4536] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2755.818387][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:23 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2755.842076][ T4546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2755.856556][ T4548] FAULT_INJECTION: forcing a failure. [ 2755.856556][ T4548] name failslab, interval 1, probability 0, space 0, times 0 [ 2755.869042][ T4548] CPU: 0 PID: 4548 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2755.880430][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 00:51:24 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2201}, 0x0) 00:51:24 executing program 1: ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000140)={'ip_vti0\x00', &(0x7f0000000080)={'sit0\x00', 0x0, 0x7800, 0x1, 0x2, 0xfffffffd, {{0x1f, 0x4, 0x0, 0x32, 0x7c, 0x67, 0x0, 0x28, 0x4, 0x0, @rand_addr=0x64010102, @local, {[@lsrr={0x83, 0xf, 0x57, [@remote, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x3e}]}, @noop, @timestamp_prespec={0x44, 0x24, 0x78, 0x3, 0x6, [{@private=0xa010101, 0x36b8}, {@dev={0xac, 0x14, 0x14, 0x24}, 0x8}, {@local, 0x1ff}, {@rand_addr=0x64010101, 0xfffffff7}]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0x8, 0x2e, 0x0, 0x1, [0x5]}, @timestamp={0x44, 0x1c, 0x4b, 0x0, 0xe, [0x20, 0x4, 0x2, 0xffff, 0x5, 0x2]}, @timestamp={0x44, 0xc, 0xf2, 0x0, 0x7, [0x81, 0x0]}]}}}}}) r1 = socket$inet(0x2, 0x0, 0x7) (async) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000340)={'erspan0\x00', &(0x7f0000000380)={'syztnl1\x00', r3, 0x8000, 0x8700, 0x61, 0x4, {{0x17, 0x4, 0x2, 0x0, 0x5c, 0x67, 0x0, 0x2, 0x29, 0x0, @empty, @loopback, {[@timestamp_prespec={0x44, 0x34, 0x93, 0x3, 0x1, [{@dev={0xac, 0x14, 0x14, 0x2a}, 0x10001}, {@local}, {@dev={0xac, 0x14, 0x14, 0x30}}, {@dev={0xac, 0x14, 0x14, 0x1e}, 0xdb54}, {@broadcast, 0x6000000}, {@rand_addr=0x64010101, 0xffffffff}]}, @timestamp_prespec={0x44, 0x14, 0x4d, 0x3, 0x6, [{@initdev={0xac, 0x1e, 0x0, 0x0}, 0x7}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x9e}]}]}}}}}) (async) r4 = socket$inet_udplite(0x2, 0x2, 0x88) (async) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r4, 0x89f2, &(0x7f0000000280)={'syztnl0\x00', &(0x7f00000001c0)={'tunl0\x00', r6, 0xc1, 0x7, 0x7fffffff, 0x2, {{0x1a, 0x4, 0x2, 0x7, 0x68, 0x68, 0x0, 0x5, 0x29, 0x0, @broadcast, @rand_addr=0x64010102, {[@ssrr={0x89, 0x17, 0xd7, [@initdev={0xac, 0x1e, 0x1, 0x0}, @local, @broadcast, @private=0xa010100, @loopback]}, @lsrr={0x83, 0x7, 0x13, [@remote]}, @lsrr={0x83, 0x13, 0xa5, [@private=0xa010100, @empty, @broadcast, @empty]}, @generic={0x88, 0x6, "6424ba25"}, @end, @end, @ra={0x94, 0x4, 0x1}, @timestamp_prespec={0x44, 0x14, 0xfe, 0x3, 0x0, [{@local, 0x17d0}, {@multicast2, 0x5}]}]}}}}}) bind$packet(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x4, r0, 0x1, 0x5, 0x6, @multicast}, 0x14) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000d40)={&(0x7f0000000cc0)={0x4c, r8, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3e7c}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}]}, 0x4c}}, 0x0) (async) sendmsg$IPVS_CMD_DEL_DAEMON(r7, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x40, r8, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x7}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffff6e3}]}, 0x40}}, 0x8000) (async) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r9) ioctl$RNDZAPENTCNT(r9, 0x5204, &(0x7f0000000040)=0x80000001) [ 2755.890665][ T4548] Call Trace: [ 2755.893792][ T4548] dump_stack_lvl+0x1e2/0x24b [ 2755.898318][ T4548] ? panic+0x80b/0x80b [ 2755.902211][ T4548] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2755.907593][ T4548] ? stack_trace_save+0x113/0x1c0 [ 2755.912453][ T4548] ? stack_trace_snprint+0xf0/0xf0 [ 2755.917488][ T4548] dump_stack+0x15/0x17 [ 2755.921483][ T4548] should_fail+0x3c6/0x510 [ 2755.925822][ T4548] ? radix_tree_node_alloc+0x198/0x3c0 [ 2755.931120][ T4548] __should_failslab+0xa4/0xe0 [ 2755.935741][ T4548] should_failslab+0x9/0x20 [ 2755.940126][ T4548] kmem_cache_alloc+0x3d/0x2e0 [ 2755.944739][ T4548] ? kobject_add+0x14e/0x210 [ 2755.949161][ T4548] ? device_add+0x3be/0xbc0 [ 2755.953496][ T4548] ? device_create+0x259/0x2e0 [ 2755.958107][ T4548] radix_tree_node_alloc+0x198/0x3c0 [ 2755.963219][ T4548] ? do_syscall_64+0x34/0x70 [ 2755.967650][ T4548] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2755.973545][ T4548] idr_get_free+0x281/0x8e0 [ 2755.977888][ T4548] idr_alloc_cyclic+0x1dc/0x5d0 [ 2755.982708][ T4548] ? idr_alloc+0x2f0/0x2f0 [ 2755.987051][ T4548] ? __kasan_check_write+0x14/0x20 [ 2755.992097][ T4548] ? _raw_spin_lock+0xa4/0x1b0 [ 2755.996765][ T4548] ? debug_smp_processor_id+0x17/0x20 [ 2756.002107][ T4548] __kernfs_new_node+0x124/0x700 [ 2756.006864][ T4548] ? kernfs_new_node+0x170/0x170 [ 2756.011721][ T4548] ? stack_trace_save+0x113/0x1c0 [ 2756.016610][ T4548] ? kasan_unpoison+0x61/0x80 [ 2756.021113][ T4548] ? stack_trace_snprint+0xf0/0xf0 [ 2756.026066][ T4548] ? __kasan_slab_alloc+0x63/0xe0 [ 2756.030931][ T4548] ? device_add+0xbe/0xbc0 [ 2756.035273][ T4548] kernfs_create_dir_ns+0x9b/0x230 [ 2756.040223][ T4548] sysfs_create_dir_ns+0x185/0x390 [ 2756.045160][ T4548] ? sysfs_warn_dup+0xa0/0xa0 [ 2756.049681][ T4548] kobject_add_internal+0x763/0xd90 [ 2756.054710][ T4548] kobject_add+0x14e/0x210 [ 2756.059101][ T4548] ? _raw_spin_lock+0xa4/0x1b0 [ 2756.063780][ T4548] ? kobject_init+0x1e0/0x1e0 [ 2756.068581][ T4548] ? __kasan_check_write+0x14/0x20 [ 2756.073578][ T4548] ? mutex_unlock+0x1c/0x40 [ 2756.077872][ T4548] ? get_device_parent+0x2a1/0x410 [ 2756.082815][ T4548] device_add+0x3be/0xbc0 [ 2756.086983][ T4548] device_create+0x259/0x2e0 [ 2756.091509][ T4548] ? root_device_unregister+0x80/0x80 [ 2756.096853][ T4548] ? memset+0x35/0x40 [ 2756.100863][ T4548] ? number+0xb5a/0xf80 [ 2756.104831][ T4548] bdi_register_va+0x93/0x610 [ 2756.109344][ T4548] bdi_register+0xd1/0x120 [ 2756.113703][ T4548] ? vsnprintf+0x1e1/0x1c70 [ 2756.118317][ T4548] ? __device_add_disk+0x552/0x11a0 [ 2756.123342][ T4548] ? bdi_register_va+0x610/0x610 [ 2756.128259][ T4548] ? __kasan_check_read+0x11/0x20 [ 2756.133062][ T4548] ? blk_alloc_devt+0xd7/0x330 [ 2756.137655][ T4548] __device_add_disk+0x5de/0x11a0 [ 2756.142522][ T4548] ? device_add_disk+0x40/0x40 [ 2756.147122][ T4548] ? vsprintf+0x40/0x40 [ 2756.151125][ T4548] ? device_initialize+0x1e1/0x420 [ 2756.156063][ T4548] device_add_disk+0x2a/0x40 [ 2756.160480][ T4548] loop_add+0x580/0x750 [ 2756.164484][ T4548] loop_control_ioctl+0x448/0x620 [ 2756.169337][ T4548] ? loop_remove+0xb0/0xb0 [ 2756.173705][ T4548] ? __fget_files+0x31e/0x380 [ 2756.178223][ T4548] ? security_file_ioctl+0x84/0xb0 [ 2756.183237][ T4548] ? loop_remove+0xb0/0xb0 [ 2756.187660][ T4548] __se_sys_ioctl+0x114/0x190 [ 2756.192178][ T4548] __x64_sys_ioctl+0x7b/0x90 [ 2756.196685][ T4548] do_syscall_64+0x34/0x70 [ 2756.200940][ T4548] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2756.206665][ T4548] RIP: 0033:0x7f21011fbba9 [ 2756.210931][ T4548] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2756.230362][ T4548] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:24 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 44) [ 2756.238619][ T4548] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2756.246502][ T4548] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2756.254312][ T4548] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2756.262560][ T4548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2756.270469][ T4548] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2202}, 0x0) 00:51:24 executing program 1: ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000140)={'ip_vti0\x00', &(0x7f0000000080)={'sit0\x00', 0x0, 0x7800, 0x1, 0x2, 0xfffffffd, {{0x1f, 0x4, 0x0, 0x32, 0x7c, 0x67, 0x0, 0x28, 0x4, 0x0, @rand_addr=0x64010102, @local, {[@lsrr={0x83, 0xf, 0x57, [@remote, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x3e}]}, @noop, @timestamp_prespec={0x44, 0x24, 0x78, 0x3, 0x6, [{@private=0xa010101, 0x36b8}, {@dev={0xac, 0x14, 0x14, 0x24}, 0x8}, {@local, 0x1ff}, {@rand_addr=0x64010101, 0xfffffff7}]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0x8, 0x2e, 0x0, 0x1, [0x5]}, @timestamp={0x44, 0x1c, 0x4b, 0x0, 0xe, [0x20, 0x4, 0x2, 0xffff, 0x5, 0x2]}, @timestamp={0x44, 0xc, 0xf2, 0x0, 0x7, [0x81, 0x0]}]}}}}}) (async) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000140)={'ip_vti0\x00', &(0x7f0000000080)={'sit0\x00', 0x0, 0x7800, 0x1, 0x2, 0xfffffffd, {{0x1f, 0x4, 0x0, 0x32, 0x7c, 0x67, 0x0, 0x28, 0x4, 0x0, @rand_addr=0x64010102, @local, {[@lsrr={0x83, 0xf, 0x57, [@remote, @rand_addr=0x64010101, @dev={0xac, 0x14, 0x14, 0x3e}]}, @noop, @timestamp_prespec={0x44, 0x24, 0x78, 0x3, 0x6, [{@private=0xa010101, 0x36b8}, {@dev={0xac, 0x14, 0x14, 0x24}, 0x8}, {@local, 0x1ff}, {@rand_addr=0x64010101, 0xfffffff7}]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0x8, 0x2e, 0x0, 0x1, [0x5]}, @timestamp={0x44, 0x1c, 0x4b, 0x0, 0xe, [0x20, 0x4, 0x2, 0xffff, 0x5, 0x2]}, @timestamp={0x44, 0xc, 0xf2, 0x0, 0x7, [0x81, 0x0]}]}}}}}) r1 = socket$inet(0x2, 0x0, 0x7) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000400)={@private1, 0x0, r3}) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000340)={'erspan0\x00', &(0x7f0000000380)={'syztnl1\x00', r3, 0x8000, 0x8700, 0x61, 0x4, {{0x17, 0x4, 0x2, 0x0, 0x5c, 0x67, 0x0, 0x2, 0x29, 0x0, @empty, @loopback, {[@timestamp_prespec={0x44, 0x34, 0x93, 0x3, 0x1, [{@dev={0xac, 0x14, 0x14, 0x2a}, 0x10001}, {@local}, {@dev={0xac, 0x14, 0x14, 0x30}}, {@dev={0xac, 0x14, 0x14, 0x1e}, 0xdb54}, {@broadcast, 0x6000000}, {@rand_addr=0x64010101, 0xffffffff}]}, @timestamp_prespec={0x44, 0x14, 0x4d, 0x3, 0x6, [{@initdev={0xac, 0x1e, 0x0, 0x0}, 0x7}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x9e}]}]}}}}}) (async) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r1, 0x89f1, &(0x7f0000000340)={'erspan0\x00', &(0x7f0000000380)={'syztnl1\x00', r3, 0x8000, 0x8700, 0x61, 0x4, {{0x17, 0x4, 0x2, 0x0, 0x5c, 0x67, 0x0, 0x2, 0x29, 0x0, @empty, @loopback, {[@timestamp_prespec={0x44, 0x34, 0x93, 0x3, 0x1, [{@dev={0xac, 0x14, 0x14, 0x2a}, 0x10001}, {@local}, {@dev={0xac, 0x14, 0x14, 0x30}}, {@dev={0xac, 0x14, 0x14, 0x1e}, 0xdb54}, {@broadcast, 0x6000000}, {@rand_addr=0x64010101, 0xffffffff}]}, @timestamp_prespec={0x44, 0x14, 0x4d, 0x3, 0x6, [{@initdev={0xac, 0x1e, 0x0, 0x0}, 0x7}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x9e}]}]}}}}}) r4 = socket$inet_udplite(0x2, 0x2, 0x88) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r4, 0x89f2, &(0x7f0000000280)={'syztnl0\x00', &(0x7f00000001c0)={'tunl0\x00', r6, 0xc1, 0x7, 0x7fffffff, 0x2, {{0x1a, 0x4, 0x2, 0x7, 0x68, 0x68, 0x0, 0x5, 0x29, 0x0, @broadcast, @rand_addr=0x64010102, {[@ssrr={0x89, 0x17, 0xd7, [@initdev={0xac, 0x1e, 0x1, 0x0}, @local, @broadcast, @private=0xa010100, @loopback]}, @lsrr={0x83, 0x7, 0x13, [@remote]}, @lsrr={0x83, 0x13, 0xa5, [@private=0xa010100, @empty, @broadcast, @empty]}, @generic={0x88, 0x6, "6424ba25"}, @end, @end, @ra={0x94, 0x4, 0x1}, @timestamp_prespec={0x44, 0x14, 0xfe, 0x3, 0x0, [{@local, 0x17d0}, {@multicast2, 0x5}]}]}}}}}) bind$packet(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x4, r0, 0x1, 0x5, 0x6, @multicast}, 0x14) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) (async) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DEST(0xffffffffffffffff, &(0x7f0000000d80)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000d40)={&(0x7f0000000cc0)={0x4c, r8, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x3e7c}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}]}, 0x4c}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(r7, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x40, r8, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x7}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffff6e3}]}, 0x40}}, 0x8000) (async) sendmsg$IPVS_CMD_DEL_DAEMON(r7, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x40, r8, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x7}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffff6e3}]}, 0x40}}, 0x8000) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(0x0, r9) ioctl$RNDZAPENTCNT(r9, 0x5204, &(0x7f0000000040)=0x80000001) (async) ioctl$RNDZAPENTCNT(r9, 0x5204, &(0x7f0000000040)=0x80000001) 00:51:24 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:24 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:24 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2756.292163][ T4564] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2756.312302][T29091] udevd[29091]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2756.331910][ T4571] FAULT_INJECTION: forcing a failure. [ 2756.331910][ T4571] name failslab, interval 1, probability 0, space 0, times 0 00:51:24 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x2, 0x70bd26, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x18}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e20}, @IPVS_SVC_ATTR_PROTOCOL={0x6}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x20}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}]}]}, 0x84}, 0x1, 0x0, 0x0, 0xcf878b9fed0312f3}, 0x40000) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2756.347504][ T4569] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2756.348249][ T4571] CPU: 0 PID: 4571 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2756.368551][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2756.378449][ T4571] Call Trace: [ 2756.381594][ T4571] dump_stack_lvl+0x1e2/0x24b [ 2756.386089][ T4571] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2756.391698][ T4571] dump_stack+0x15/0x17 [ 2756.395843][ T4571] should_fail+0x3c6/0x510 [ 2756.400215][ T4571] ? __kernfs_new_node+0xdb/0x700 [ 2756.405838][ T4571] __should_failslab+0xa4/0xe0 [ 2756.410883][ T4571] should_failslab+0x9/0x20 [ 2756.415366][ T4571] kmem_cache_alloc+0x3d/0x2e0 [ 2756.420181][ T4571] __kernfs_new_node+0xdb/0x700 [ 2756.425110][ T4571] ? kernfs_new_node+0x170/0x170 [ 2756.429847][ T4571] ? stack_trace_save+0x113/0x1c0 [ 2756.435079][ T4571] ? kasan_unpoison+0x61/0x80 [ 2756.439732][ T4571] ? stack_trace_snprint+0xf0/0xf0 [ 2756.444772][ T4571] ? __kasan_slab_alloc+0x63/0xe0 [ 2756.449883][ T4571] ? device_add+0xbe/0xbc0 [ 2756.454420][ T4571] kernfs_create_dir_ns+0x9b/0x230 [ 2756.459331][ T4571] sysfs_create_dir_ns+0x185/0x390 [ 2756.464267][ T4571] ? sysfs_warn_dup+0xa0/0xa0 [ 2756.468785][ T4571] kobject_add_internal+0x763/0xd90 [ 2756.473810][ T4571] kobject_add+0x14e/0x210 [ 2756.478064][ T4571] ? _raw_spin_lock+0xa4/0x1b0 [ 2756.482657][ T4571] ? kobject_init+0x1e0/0x1e0 [ 2756.487259][ T4571] ? __kasan_check_write+0x14/0x20 [ 2756.492219][ T4571] ? mutex_unlock+0x1c/0x40 [ 2756.496546][ T4571] ? get_device_parent+0x2a1/0x410 [ 2756.501489][ T4571] device_add+0x3be/0xbc0 [ 2756.505768][ T4571] device_create+0x259/0x2e0 [ 2756.510258][ T4571] ? root_device_unregister+0x80/0x80 [ 2756.515469][ T4571] ? memset+0x35/0x40 [ 2756.519279][ T4571] ? number+0xb5a/0xf80 [ 2756.523274][ T4571] bdi_register_va+0x93/0x610 [ 2756.527901][ T4571] bdi_register+0xd1/0x120 [ 2756.532159][ T4571] ? vsnprintf+0x1e1/0x1c70 [ 2756.536494][ T4571] ? __device_add_disk+0x552/0x11a0 [ 2756.541522][ T4571] ? bdi_register_va+0x610/0x610 [ 2756.546308][ T4571] ? __kasan_check_read+0x11/0x20 [ 2756.551242][ T4571] ? blk_alloc_devt+0xd7/0x330 [ 2756.555846][ T4571] __device_add_disk+0x5de/0x11a0 [ 2756.560893][ T4571] ? device_add_disk+0x40/0x40 [ 2756.565589][ T4571] ? vsprintf+0x40/0x40 [ 2756.569573][ T4571] ? device_initialize+0x1e1/0x420 [ 2756.574607][ T4571] device_add_disk+0x2a/0x40 [ 2756.579045][ T4571] loop_add+0x580/0x750 [ 2756.583240][ T4571] loop_control_ioctl+0x448/0x620 [ 2756.588090][ T4571] ? loop_remove+0xb0/0xb0 [ 2756.592347][ T4571] ? __fget_files+0x31e/0x380 [ 2756.596862][ T4571] ? security_file_ioctl+0x84/0xb0 [ 2756.601799][ T4571] ? loop_remove+0xb0/0xb0 [ 2756.606055][ T4571] __se_sys_ioctl+0x114/0x190 [ 2756.610599][ T4571] __x64_sys_ioctl+0x7b/0x90 [ 2756.614996][ T4571] do_syscall_64+0x34/0x70 [ 2756.619257][ T4571] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2756.624981][ T4571] RIP: 0033:0x7f21011fbba9 [ 2756.629232][ T4571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2203}, 0x0) [ 2756.648793][ T4571] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2756.657235][ T4571] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2756.665043][ T4571] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2756.673041][ T4571] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2756.681074][ T4571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2756.689093][ T4571] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2756.699912][ T4571] kobject_add_internal failed for 7:0 (error: -12 parent: bdi) [ 2756.707489][ T4571] ------------[ cut here ]------------ [ 2756.712847][ T4571] WARNING: CPU: 1 PID: 4571 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2756.721872][ T4571] Modules linked in: [ 2756.725847][ T4571] CPU: 0 PID: 4571 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2756.737776][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2756.748644][ T4571] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2756.754322][ T4571] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2756.773876][ T4571] RSP: 0018:ffffc900093afbe0 EFLAGS: 00010287 [ 2756.779873][ T4571] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2756.787954][ T4571] RDX: ffffc90003b20000 RSI: 00000000000275e3 RDI: 00000000000275e4 [ 2756.795796][ T4571] RBP: ffffc900093afd30 R08: ffffffff82471949 R09: ffffc900093af630 [ 2756.803762][ T4571] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88811cc7e068 [ 2756.811531][ T4571] R13: ffff88811cc7e000 R14: ffff88811cc7e348 R15: ffff88811cc7d000 [ 2756.819443][ T4571] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2756.828201][ T4571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2756.834597][ T4571] CR2: 0000555555aa7818 CR3: 0000000117435000 CR4: 00000000003506b0 [ 2756.842436][ T4571] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2756.850394][ T4571] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2756.858228][ T4571] Call Trace: [ 2756.861300][ T4571] ? show_regs+0x58/0x60 [ 2756.865379][ T4571] ? __warn+0x160/0x2f0 [ 2756.869399][ T4571] ? __device_add_disk+0xe1e/0x11a0 [ 2756.874412][ T4571] ? report_bug+0x3d9/0x5b0 [ 2756.878773][ T4571] ? __device_add_disk+0xe1e/0x11a0 [ 2756.883930][ T4571] ? handle_bug+0x41/0x70 [ 2756.888122][ T4571] ? exc_invalid_op+0x1b/0x50 [ 2756.892599][ T4571] ? asm_exc_invalid_op+0x12/0x20 [ 2756.897519][ T4571] ? __device_add_disk+0x5e9/0x11a0 [ 2756.902494][ T4571] ? __device_add_disk+0xe1e/0x11a0 [ 2756.907729][ T4571] ? __device_add_disk+0xe1e/0x11a0 [ 2756.912816][ T4571] ? device_add_disk+0x40/0x40 [ 2756.917445][ T4571] ? vsprintf+0x40/0x40 [ 2756.921394][ T4571] ? device_initialize+0x1e1/0x420 [ 2756.926359][ T4571] device_add_disk+0x2a/0x40 [ 2756.930765][ T4571] loop_add+0x580/0x750 [ 2756.934753][ T4571] loop_control_ioctl+0x448/0x620 [ 2756.939807][ T4571] ? loop_remove+0xb0/0xb0 [ 2756.944049][ T4571] ? __fget_files+0x31e/0x380 [ 2756.948677][ T4571] ? security_file_ioctl+0x84/0xb0 [ 2756.953601][ T4571] ? loop_remove+0xb0/0xb0 [ 2756.957880][ T4571] __se_sys_ioctl+0x114/0x190 [ 2756.962362][ T4571] __x64_sys_ioctl+0x7b/0x90 [ 2756.966894][ T4571] do_syscall_64+0x34/0x70 [ 2756.971212][ T4571] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2756.976979][ T4571] RIP: 0033:0x7f21011fbba9 [ 2756.981354][ T4571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2757.000954][ T4571] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2757.009336][ T4571] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2757.017400][ T4571] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2757.025161][ T4571] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2757.033013][ T4571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2757.040808][ T4571] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:25 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 45) 00:51:25 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x2, 0x70bd26, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x18}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e20}, @IPVS_SVC_ATTR_PROTOCOL={0x6}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x20}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}]}]}, 0x84}, 0x1, 0x0, 0x0, 0xcf878b9fed0312f3}, 0x40000) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2757.048669][ T4571] ---[ end trace e38559e1ffcc9c6a ]--- 00:51:25 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2300}, 0x0) 00:51:25 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:25 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:25 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2757.114265][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2757.118333][ T4588] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2757.147439][ T4593] FAULT_INJECTION: forcing a failure. [ 2757.147439][ T4593] name failslab, interval 1, probability 0, space 0, times 0 00:51:25 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x2, 0x70bd26, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x18}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e20}, @IPVS_SVC_ATTR_PROTOCOL={0x6}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfff}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x20}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}]}]}, 0x84}, 0x1, 0x0, 0x0, 0xcf878b9fed0312f3}, 0x40000) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2757.163923][ T4593] CPU: 0 PID: 4593 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2757.175503][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2757.185394][ T4593] Call Trace: [ 2757.188530][ T4593] dump_stack_lvl+0x1e2/0x24b [ 2757.193168][ T4593] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2757.198457][ T4593] ? __kasan_check_write+0x14/0x20 [ 2757.203404][ T4593] dump_stack+0x15/0x17 [ 2757.207483][ T4593] should_fail+0x3c6/0x510 [ 2757.211735][ T4593] ? __kernfs_new_node+0xdb/0x700 [ 2757.216593][ T4593] __should_failslab+0xa4/0xe0 [ 2757.221283][ T4593] should_failslab+0x9/0x20 [ 2757.225617][ T4593] kmem_cache_alloc+0x3d/0x2e0 [ 2757.230238][ T4593] ? mutex_trylock+0xa0/0xa0 [ 2757.234652][ T4593] __kernfs_new_node+0xdb/0x700 [ 2757.239336][ T4593] ? __kasan_check_write+0x14/0x20 [ 2757.244298][ T4593] ? mutex_unlock+0x1c/0x40 [ 2757.248621][ T4593] ? kernfs_new_node+0x170/0x170 [ 2757.253394][ T4593] ? kernfs_add_one+0x4b5/0x5d0 [ 2757.258282][ T4593] ? kernfs_create_dir_ns+0x1ec/0x230 [ 2757.263549][ T4593] kernfs_new_node+0x97/0x170 [ 2757.268958][ T4593] __kernfs_create_file+0x4a/0x270 [ 2757.274088][ T4593] sysfs_add_file_mode_ns+0x273/0x320 [ 2757.279293][ T4593] sysfs_create_file_ns+0x196/0x2a0 [ 2757.284448][ T4593] ? sysfs_add_file_mode_ns+0x320/0x320 [ 2757.289822][ T4593] device_create_file+0x112/0x1d0 [ 2757.294690][ T4593] device_add+0x48a/0xbc0 [ 2757.299014][ T4593] device_create+0x259/0x2e0 [ 2757.303581][ T4593] ? root_device_unregister+0x80/0x80 [ 2757.308780][ T4593] ? memset+0x35/0x40 [ 2757.312594][ T4593] ? number+0xb5a/0xf80 [ 2757.316587][ T4593] bdi_register_va+0x93/0x610 [ 2757.321145][ T4593] bdi_register+0xd1/0x120 [ 2757.325360][ T4593] ? vsnprintf+0x1e1/0x1c70 [ 2757.329697][ T4593] ? __device_add_disk+0x552/0x11a0 [ 2757.334726][ T4593] ? bdi_register_va+0x610/0x610 [ 2757.339502][ T4593] ? __kasan_check_read+0x11/0x20 [ 2757.344448][ T4593] ? blk_alloc_devt+0xd7/0x330 [ 2757.349047][ T4593] __device_add_disk+0x5de/0x11a0 [ 2757.353907][ T4593] ? device_add_disk+0x40/0x40 [ 2757.358686][ T4593] ? vsprintf+0x40/0x40 [ 2757.362671][ T4593] ? device_initialize+0x1e1/0x420 [ 2757.367621][ T4593] device_add_disk+0x2a/0x40 [ 2757.372047][ T4593] loop_add+0x580/0x750 [ 2757.376038][ T4593] loop_control_ioctl+0x448/0x620 [ 2757.381122][ T4593] ? loop_remove+0xb0/0xb0 [ 2757.385330][ T4593] ? __fget_files+0x31e/0x380 [ 2757.389842][ T4593] ? security_file_ioctl+0x84/0xb0 [ 2757.394786][ T4593] ? loop_remove+0xb0/0xb0 [ 2757.399038][ T4593] __se_sys_ioctl+0x114/0x190 [ 2757.403584][ T4593] __x64_sys_ioctl+0x7b/0x90 [ 2757.408071][ T4593] do_syscall_64+0x34/0x70 [ 2757.412327][ T4593] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2757.418047][ T4593] RIP: 0033:0x7f21011fbba9 [ 2757.422421][ T4593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2757.441859][ T4593] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2757.450341][ T4593] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2757.458290][ T4593] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2757.466039][ T4593] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2757.473851][ T4593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2757.481664][ T4593] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2757.490296][ T4593] ------------[ cut here ]------------ [ 2757.495611][ T4593] WARNING: CPU: 1 PID: 4593 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2757.505301][ T4593] Modules linked in: [ 2757.509665][ T4593] CPU: 1 PID: 4593 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2757.521262][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2757.531280][ T4593] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2757.537102][ T4593] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2757.556716][ T4593] RSP: 0018:ffffc90009427be0 EFLAGS: 00010287 [ 2757.562732][ T4593] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2757.570565][ T4593] RDX: ffffc90003b20000 RSI: 000000000000b668 RDI: 000000000000b669 [ 2757.578354][ T4593] RBP: ffffc90009427d30 R08: ffffffff82471949 R09: ffffc90009427630 [ 2757.586169][ T4593] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff888117d06068 [ 2757.593949][ T4593] R13: ffff888117d06000 R14: ffff888117d06348 R15: ffff888117d03000 [ 2757.601805][ T4593] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2757.610618][ T4593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2757.617162][ T4593] CR2: 00007f461758bd58 CR3: 000000011887c000 CR4: 00000000003506b0 [ 2757.624997][ T4593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2757.632796][ T4593] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2757.640582][ T4593] Call Trace: [ 2757.643700][ T4593] ? show_regs+0x58/0x60 [ 2757.647807][ T4593] ? __warn+0x160/0x2f0 [ 2757.651817][ T4593] ? __device_add_disk+0xe1e/0x11a0 [ 2757.657070][ T4593] ? report_bug+0x3d9/0x5b0 [ 2757.661620][ T4593] ? __device_add_disk+0xe1e/0x11a0 [ 2757.666911][ T4593] ? handle_bug+0x41/0x70 [ 2757.671363][ T4593] ? exc_invalid_op+0x1b/0x50 [ 2757.675865][ T4593] ? asm_exc_invalid_op+0x12/0x20 [ 2757.680927][ T4593] ? __device_add_disk+0x5e9/0x11a0 [ 2757.686002][ T4593] ? __device_add_disk+0xe1e/0x11a0 [ 2757.691287][ T4593] ? __device_add_disk+0xe1e/0x11a0 [ 2757.696474][ T4593] ? device_add_disk+0x40/0x40 [ 2757.701092][ T4593] ? vsprintf+0x40/0x40 [ 2757.705385][ T4593] ? device_initialize+0x1e1/0x420 [ 2757.710662][ T4593] device_add_disk+0x2a/0x40 [ 2757.715111][ T4593] loop_add+0x580/0x750 [ 2757.719158][ T4593] loop_control_ioctl+0x448/0x620 [ 2757.723972][ T4593] ? loop_remove+0xb0/0xb0 [ 2757.728324][ T4593] ? __fget_files+0x31e/0x380 [ 2757.732884][ T4593] ? security_file_ioctl+0x84/0xb0 [ 2757.737915][ T4593] ? loop_remove+0xb0/0xb0 [ 2757.742179][ T4593] __se_sys_ioctl+0x114/0x190 [ 2757.746818][ T4593] __x64_sys_ioctl+0x7b/0x90 [ 2757.751728][ T4593] do_syscall_64+0x34/0x70 [ 2757.755984][ T4593] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2757.761715][ T4593] RIP: 0033:0x7f21011fbba9 [ 2757.765935][ T4593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2757.785417][ T4593] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2757.794442][ T4593] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2757.802466][ T4593] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:25 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x4000, 0x0) 00:51:25 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 46) 00:51:25 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2301}, 0x0) [ 2757.810436][ T4593] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2757.818312][ T4593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2757.826141][ T4593] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2757.833962][ T4593] ---[ end trace e38559e1ffcc9c6b ]--- [ 2757.852951][ T4605] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:26 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:26 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:26 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x4000, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x4000, 0x0) (async) 00:51:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2302}, 0x0) [ 2757.904522][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2757.936512][ T4612] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2757.947080][ T4615] FAULT_INJECTION: forcing a failure. [ 2757.947080][ T4615] name failslab, interval 1, probability 0, space 0, times 0 [ 2757.960045][ T4615] CPU: 0 PID: 4615 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2757.971491][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2757.981369][ T4615] Call Trace: [ 2757.984627][ T4615] dump_stack_lvl+0x1e2/0x24b [ 2757.989132][ T4615] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2757.994416][ T4615] ? __kasan_check_write+0x14/0x20 [ 2757.999366][ T4615] dump_stack+0x15/0x17 [ 2758.003353][ T4615] should_fail+0x3c6/0x510 [ 2758.007694][ T4615] ? __kernfs_new_node+0xdb/0x700 [ 2758.012552][ T4615] __should_failslab+0xa4/0xe0 [ 2758.017164][ T4615] should_failslab+0x9/0x20 [ 2758.021495][ T4615] kmem_cache_alloc+0x3d/0x2e0 [ 2758.026095][ T4615] ? mutex_trylock+0xa0/0xa0 [ 2758.030577][ T4615] __kernfs_new_node+0xdb/0x700 [ 2758.035204][ T4615] ? __kasan_check_write+0x14/0x20 [ 2758.040150][ T4615] ? mutex_unlock+0x1c/0x40 [ 2758.044581][ T4615] ? kernfs_new_node+0x170/0x170 [ 2758.049486][ T4615] ? kernfs_add_one+0x4b5/0x5d0 [ 2758.054138][ T4615] ? kernfs_create_dir_ns+0x1ec/0x230 [ 2758.059543][ T4615] kernfs_new_node+0x97/0x170 [ 2758.064128][ T4615] __kernfs_create_file+0x4a/0x270 [ 2758.069251][ T4615] sysfs_add_file_mode_ns+0x273/0x320 [ 2758.074544][ T4615] sysfs_create_file_ns+0x196/0x2a0 [ 2758.079665][ T4615] ? sysfs_add_file_mode_ns+0x320/0x320 [ 2758.085164][ T4615] device_create_file+0x112/0x1d0 [ 2758.090025][ T4615] device_add+0x48a/0xbc0 [ 2758.094190][ T4615] device_create+0x259/0x2e0 [ 2758.098628][ T4615] ? root_device_unregister+0x80/0x80 [ 2758.103819][ T4615] ? memset+0x35/0x40 [ 2758.107637][ T4615] ? number+0xb5a/0xf80 [ 2758.111629][ T4615] bdi_register_va+0x93/0x610 [ 2758.116286][ T4615] bdi_register+0xd1/0x120 [ 2758.120544][ T4615] ? vsnprintf+0x1e1/0x1c70 [ 2758.124951][ T4615] ? __device_add_disk+0x552/0x11a0 [ 2758.129996][ T4615] ? bdi_register_va+0x610/0x610 [ 2758.135020][ T4615] ? __kasan_check_read+0x11/0x20 [ 2758.140015][ T4615] ? blk_alloc_devt+0xd7/0x330 [ 2758.144565][ T4615] __device_add_disk+0x5de/0x11a0 [ 2758.149520][ T4615] ? device_add_disk+0x40/0x40 [ 2758.154113][ T4615] ? vsprintf+0x40/0x40 [ 2758.158107][ T4615] ? device_initialize+0x1e1/0x420 [ 2758.163052][ T4615] device_add_disk+0x2a/0x40 [ 2758.167564][ T4615] loop_add+0x580/0x750 [ 2758.171560][ T4615] loop_control_ioctl+0x448/0x620 [ 2758.176416][ T4615] ? loop_remove+0xb0/0xb0 [ 2758.180673][ T4615] ? __fget_files+0x31e/0x380 [ 2758.185218][ T4615] ? security_file_ioctl+0x84/0xb0 [ 2758.190131][ T4615] ? loop_remove+0xb0/0xb0 [ 2758.194388][ T4615] __se_sys_ioctl+0x114/0x190 [ 2758.198899][ T4615] __x64_sys_ioctl+0x7b/0x90 [ 2758.203328][ T4615] do_syscall_64+0x34/0x70 [ 2758.207578][ T4615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2758.213308][ T4615] RIP: 0033:0x7f21011fbba9 [ 2758.217557][ T4615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2758.236998][ T4615] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2758.245244][ T4615] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2758.253138][ T4615] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2758.261037][ T4615] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2758.269031][ T4615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2758.276833][ T4615] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2758.285479][ T4615] ------------[ cut here ]------------ [ 2758.290979][ T4615] WARNING: CPU: 0 PID: 4615 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2758.299926][ T4615] Modules linked in: [ 2758.303611][ T4615] CPU: 0 PID: 4615 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2758.315472][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2758.325677][ T4615] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2758.331412][ T4615] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2758.351464][ T4615] RSP: 0018:ffffc9000956fbe0 EFLAGS: 00010287 [ 2758.357875][ T4615] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2758.365875][ T4615] RDX: ffffc90003b20000 RSI: 000000000000b42c RDI: 000000000000b42d [ 2758.373987][ T4615] RBP: ffffc9000956fd30 R08: ffffffff82471949 R09: ffffc9000956f630 [ 2758.382035][ T4615] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff8881335e4068 [ 2758.390171][ T4615] R13: ffff8881335e4000 R14: ffff8881335e4348 R15: ffff8881335e2000 [ 2758.398136][ T4615] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2758.406861][ T4615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2758.413270][ T4615] CR2: 0000000000000000 CR3: 000000011b15a000 CR4: 00000000003506a0 [ 2758.421907][ T4615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2758.429919][ T4615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2758.438089][ T4615] Call Trace: [ 2758.441188][ T4615] ? show_regs+0x58/0x60 [ 2758.445338][ T4615] ? __warn+0x160/0x2f0 [ 2758.449458][ T4615] ? __device_add_disk+0xe1e/0x11a0 [ 2758.454467][ T4615] ? report_bug+0x3d9/0x5b0 [ 2758.458870][ T4615] ? __device_add_disk+0xe1e/0x11a0 [ 2758.463853][ T4615] ? handle_bug+0x41/0x70 [ 2758.468031][ T4615] ? exc_invalid_op+0x1b/0x50 [ 2758.472524][ T4615] ? asm_exc_invalid_op+0x12/0x20 [ 2758.477840][ T4615] ? __device_add_disk+0x5e9/0x11a0 [ 2758.482844][ T4615] ? __device_add_disk+0xe1e/0x11a0 [ 2758.488697][ T4615] ? __device_add_disk+0xe1e/0x11a0 [ 2758.494136][ T4615] ? device_add_disk+0x40/0x40 [ 2758.498771][ T4615] ? vsprintf+0x40/0x40 [ 2758.502838][ T4615] ? device_initialize+0x1e1/0x420 [ 2758.508134][ T4615] device_add_disk+0x2a/0x40 [ 2758.513515][ T4615] loop_add+0x580/0x750 [ 2758.517859][ T4615] loop_control_ioctl+0x448/0x620 [ 2758.522954][ T4615] ? loop_remove+0xb0/0xb0 [ 2758.527381][ T4615] ? __fget_files+0x31e/0x380 [ 2758.531945][ T4615] ? security_file_ioctl+0x84/0xb0 [ 2758.537278][ T4615] ? loop_remove+0xb0/0xb0 [ 2758.541589][ T4615] __se_sys_ioctl+0x114/0x190 [ 2758.546153][ T4615] __x64_sys_ioctl+0x7b/0x90 [ 2758.550661][ T4615] do_syscall_64+0x34/0x70 [ 2758.554892][ T4615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2758.560771][ T4615] RIP: 0033:0x7f21011fbba9 [ 2758.565147][ T4615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2758.584809][ T4615] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2758.593343][ T4615] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2758.601277][ T4615] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2758.609214][ T4615] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2758.617125][ T4615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2758.625042][ T4615] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2758.632904][ T4615] ---[ end trace e38559e1ffcc9c6c ]--- 00:51:26 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 47) 00:51:26 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x4000, 0x0) 00:51:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2303}, 0x0) [ 2758.650085][ T4627] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2758.688093][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2758.703408][ T4631] FAULT_INJECTION: forcing a failure. [ 2758.703408][ T4631] name failslab, interval 1, probability 0, space 0, times 0 [ 2758.716320][ T4631] CPU: 0 PID: 4631 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2758.727768][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2758.737836][ T4631] Call Trace: [ 2758.740972][ T4631] dump_stack_lvl+0x1e2/0x24b [ 2758.745622][ T4631] ? panic+0x80b/0x80b [ 2758.749472][ T4631] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2758.754770][ T4631] ? selinux_kernfs_init_security+0x14a/0x720 [ 2758.760759][ T4631] ? idr_alloc_cyclic+0x369/0x5d0 [ 2758.765742][ T4631] dump_stack+0x15/0x17 [ 2758.769737][ T4631] should_fail+0x3c6/0x510 [ 2758.773993][ T4631] ? __kernfs_new_node+0x99/0x700 [ 2758.778845][ T4631] __should_failslab+0xa4/0xe0 [ 2758.783571][ T4631] should_failslab+0x9/0x20 [ 2758.787995][ T4631] __kmalloc_track_caller+0x5f/0x320 [ 2758.793343][ T4631] kstrdup_const+0x55/0x90 [ 2758.797965][ T4631] __kernfs_new_node+0x99/0x700 [ 2758.802828][ T4631] ? kernfs_activate+0x31a/0x330 [ 2758.807934][ T4631] ? __kasan_check_write+0x14/0x20 [ 2758.813549][ T4631] ? mutex_lock+0xa5/0x110 [ 2758.817762][ T4631] ? kernfs_new_node+0x170/0x170 [ 2758.822619][ T4631] ? __kasan_check_write+0x14/0x20 [ 2758.827760][ T4631] ? mutex_unlock+0x1c/0x40 [ 2758.832123][ T4631] ? kernfs_activate+0x31a/0x330 [ 2758.836983][ T4631] kernfs_new_node+0x97/0x170 [ 2758.841497][ T4631] kernfs_create_link+0xba/0x210 [ 2758.846449][ T4631] sysfs_do_create_link_sd+0x89/0x110 [ 2758.851808][ T4631] sysfs_create_link+0x68/0x80 [ 2758.856397][ T4631] device_add_class_symlinks+0x222/0x2a0 [ 2758.862117][ T4631] device_add+0x4b7/0xbc0 [ 2758.866365][ T4631] device_create+0x259/0x2e0 [ 2758.870979][ T4631] ? root_device_unregister+0x80/0x80 [ 2758.876313][ T4631] ? memset+0x35/0x40 [ 2758.880473][ T4631] ? number+0xb5a/0xf80 [ 2758.884939][ T4631] bdi_register_va+0x93/0x610 [ 2758.889645][ T4631] bdi_register+0xd1/0x120 [ 2758.894129][ T4631] ? vsnprintf+0x1e1/0x1c70 [ 2758.898551][ T4631] ? __device_add_disk+0x552/0x11a0 [ 2758.903800][ T4631] ? bdi_register_va+0x610/0x610 [ 2758.908856][ T4631] ? __kasan_check_read+0x11/0x20 [ 2758.913693][ T4631] ? blk_alloc_devt+0xd7/0x330 [ 2758.918462][ T4631] __device_add_disk+0x5de/0x11a0 [ 2758.923238][ T4631] ? device_add_disk+0x40/0x40 [ 2758.927930][ T4631] ? vsprintf+0x40/0x40 [ 2758.931916][ T4631] ? device_initialize+0x1e1/0x420 [ 2758.936862][ T4631] device_add_disk+0x2a/0x40 [ 2758.941463][ T4631] loop_add+0x580/0x750 [ 2758.946068][ T4631] loop_control_ioctl+0x448/0x620 [ 2758.951006][ T4631] ? loop_remove+0xb0/0xb0 [ 2758.955308][ T4631] ? __fget_files+0x31e/0x380 [ 2758.959790][ T4631] ? security_file_ioctl+0x84/0xb0 [ 2758.964987][ T4631] ? loop_remove+0xb0/0xb0 [ 2758.969243][ T4631] __se_sys_ioctl+0x114/0x190 [ 2758.973747][ T4631] __x64_sys_ioctl+0x7b/0x90 [ 2758.978174][ T4631] do_syscall_64+0x34/0x70 [ 2758.982432][ T4631] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2758.988150][ T4631] RIP: 0033:0x7f21011fbba9 [ 2758.992415][ T4631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2759.011936][ T4631] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2759.020176][ T4631] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2759.028162][ T4631] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:27 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) 00:51:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2400}, 0x0) 00:51:27 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:27 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2759.036876][ T4631] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2759.044987][ T4631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2759.053108][ T4631] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2759.068285][ T4631] ------------[ cut here ]------------ [ 2759.076063][ T4631] WARNING: CPU: 1 PID: 4631 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2759.085627][ T4631] Modules linked in: [ 2759.089777][ T4631] CPU: 1 PID: 4631 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2759.101894][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2759.112620][ T4631] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2759.118599][ T4631] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2759.138320][ T4631] RSP: 0018:ffffc900096cfbe0 EFLAGS: 00010283 [ 2759.144241][ T4631] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2759.152220][ T4631] RDX: ffffc90003b20000 RSI: 000000000000beca RDI: 000000000000becb [ 2759.160171][ T4631] RBP: ffffc900096cfd30 R08: ffffffff82471949 R09: ffffc900096cf630 [ 2759.167979][ T4631] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff888111020068 [ 2759.175758][ T4631] R13: ffff888111020000 R14: ffff888111020348 R15: ffff888111021000 [ 2759.183620][ T4631] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2759.192363][ T4631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2759.198786][ T4631] CR2: 00007fff28e3ccb8 CR3: 000000011ce43000 CR4: 00000000003506a0 [ 2759.206649][ T4631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2759.214581][ T4631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2759.222373][ T4631] Call Trace: [ 2759.225474][ T4631] ? show_regs+0x58/0x60 [ 2759.229603][ T4631] ? __warn+0x160/0x2f0 [ 2759.233740][ T4631] ? __device_add_disk+0xe1e/0x11a0 [ 2759.238814][ T4631] ? report_bug+0x3d9/0x5b0 [ 2759.243123][ T4631] ? __device_add_disk+0xe1e/0x11a0 [ 2759.248188][ T4631] ? handle_bug+0x41/0x70 [ 2759.252394][ T4631] ? exc_invalid_op+0x1b/0x50 [ 2759.257480][ T4631] ? asm_exc_invalid_op+0x12/0x20 [ 2759.262288][ T4631] ? __device_add_disk+0x5e9/0x11a0 [ 2759.267400][ T4631] ? __device_add_disk+0xe1e/0x11a0 [ 2759.272359][ T4631] ? __device_add_disk+0xe1e/0x11a0 [ 2759.277517][ T4631] ? device_add_disk+0x40/0x40 [ 2759.282190][ T4631] ? vsprintf+0x40/0x40 [ 2759.286218][ T4631] ? device_initialize+0x1e1/0x420 [ 2759.291228][ T4631] device_add_disk+0x2a/0x40 [ 2759.295717][ T4631] loop_add+0x580/0x750 [ 2759.299751][ T4631] loop_control_ioctl+0x448/0x620 [ 2759.304832][ T4631] ? loop_remove+0xb0/0xb0 [ 2759.309106][ T4631] ? __fget_files+0x31e/0x380 [ 2759.313664][ T4631] ? security_file_ioctl+0x84/0xb0 [ 2759.318706][ T4631] ? loop_remove+0xb0/0xb0 [ 2759.322987][ T4631] __se_sys_ioctl+0x114/0x190 [ 2759.327759][ T4631] __x64_sys_ioctl+0x7b/0x90 [ 2759.332325][ T4631] do_syscall_64+0x34/0x70 [ 2759.336782][ T4631] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2759.342588][ T4631] RIP: 0033:0x7f21011fbba9 [ 2759.346907][ T4631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2759.366650][ T4631] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2759.375133][ T4631] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2401}, 0x0) 00:51:27 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 48) 00:51:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x25}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x805) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r1) sendmsg$ETHTOOL_MSG_FEATURES_SET(r1, &(0x7f0000000680)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000640)={&(0x7f0000000380)={0x2b4, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@ETHTOOL_A_FEATURES_WANTED={0xb4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x200}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffffffee}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x2}, @ETHTOOL_A_BITSET_BITS={0x98, 0x3, 0x0, 0x1, [{0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '^%\\[[\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',&\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3c5d}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x20}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '--}\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'erspan0\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2c7048e0}]}]}]}, @ETHTOOL_A_FEATURES_WANTED={0x1ec, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xe2, 0x5, "4550d3a4b4be0486df231cb7ea44780d08605fc55a2d713b0cd86d58536b252a53254b1a5f9de239ecaed7a84582c7b4d6040e176ffbbd5a08ff1594775a9cb5fd50e80df72e521cc4710c6a58cb0330cbacb423491184d5f9ebc1ab8e72c0fec636d5cf37dfc29d3291d14de6f2a60daa3047957896850ced7f00c420d6f71f67e67eced66879ba065a4dc1979cbd69483a0c2d48fb50627fe47e18905ffbd0896c087e2567e649ed1ad833c5c7934e7832c14da16c10960291db8693ca52b958c71ff54697fb7029e8ba632d49937547e559191d4253edd0fd9938b145"}, @ETHTOOL_A_BITSET_VALUE={0x93, 0x4, "01f1fd2dcec91be5f2306c411dc56195a6f285e53001acf00650c6d4b697379875cfadc8cf78df97af2d86b87bc96129e9ad788ca68bd8d99270ad9bdd63533dad33ca772ab3588468bab469bb61d65c516bf74fab8e7709ec0402a9727235e12dcb23e80380eeeea362db64a7f0547a223febcf10abd7d160e12288d74b27bf801844403c149b3c09890493a04214"}, @ETHTOOL_A_BITSET_VALUE={0x6e, 0x4, "c96c14e58dbf40434941b928988a505549e052ff4a41130f18fbe7b68be80a30a86e0e28e5169899638bca354b8f74840271e488b358bdb71a8450fd688731dbeaccfd98d29c36f2c38dc3a9c1e6247a7bb00c133ab4e8d0d61bc508ba12b8d084b092ff44e2e5e4e83c"}]}]}, 0x2b4}, 0x1, 0x0, 0x0, 0x41}, 0x80) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r2, 0x800, 0x70bd2a, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'erspan0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5}, @IPVS_CMD_ATTR_SERVICE={0x10, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8d24}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x96013d7a}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0xc0c0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) [ 2759.383422][ T4631] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2759.391562][ T4631] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2759.400035][ T4631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2759.408018][ T4631] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2759.415883][ T4631] ---[ end trace e38559e1ffcc9c6d ]--- 00:51:27 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x25}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x805) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r1) sendmsg$ETHTOOL_MSG_FEATURES_SET(r1, &(0x7f0000000680)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000640)={&(0x7f0000000380)={0x2b4, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@ETHTOOL_A_FEATURES_WANTED={0xb4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x200}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffffffee}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x2}, @ETHTOOL_A_BITSET_BITS={0x98, 0x3, 0x0, 0x1, [{0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '^%\\[[\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',&\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3c5d}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x20}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '--}\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'erspan0\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2c7048e0}]}]}]}, @ETHTOOL_A_FEATURES_WANTED={0x1ec, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xe2, 0x5, "4550d3a4b4be0486df231cb7ea44780d08605fc55a2d713b0cd86d58536b252a53254b1a5f9de239ecaed7a84582c7b4d6040e176ffbbd5a08ff1594775a9cb5fd50e80df72e521cc4710c6a58cb0330cbacb423491184d5f9ebc1ab8e72c0fec636d5cf37dfc29d3291d14de6f2a60daa3047957896850ced7f00c420d6f71f67e67eced66879ba065a4dc1979cbd69483a0c2d48fb50627fe47e18905ffbd0896c087e2567e649ed1ad833c5c7934e7832c14da16c10960291db8693ca52b958c71ff54697fb7029e8ba632d49937547e559191d4253edd0fd9938b145"}, @ETHTOOL_A_BITSET_VALUE={0x93, 0x4, "01f1fd2dcec91be5f2306c411dc56195a6f285e53001acf00650c6d4b697379875cfadc8cf78df97af2d86b87bc96129e9ad788ca68bd8d99270ad9bdd63533dad33ca772ab3588468bab469bb61d65c516bf74fab8e7709ec0402a9727235e12dcb23e80380eeeea362db64a7f0547a223febcf10abd7d160e12288d74b27bf801844403c149b3c09890493a04214"}, @ETHTOOL_A_BITSET_VALUE={0x6e, 0x4, "c96c14e58dbf40434941b928988a505549e052ff4a41130f18fbe7b68be80a30a86e0e28e5169899638bca354b8f74840271e488b358bdb71a8450fd688731dbeaccfd98d29c36f2c38dc3a9c1e6247a7bb00c133ab4e8d0d61bc508ba12b8d084b092ff44e2e5e4e83c"}]}]}, 0x2b4}, 0x1, 0x0, 0x0, 0x41}, 0x80) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r2, 0x800, 0x70bd2a, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'erspan0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5}, @IPVS_CMD_ATTR_SERVICE={0x10, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8d24}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x96013d7a}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0xc0c0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x25}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x805) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r1) (async) sendmsg$ETHTOOL_MSG_FEATURES_SET(r1, &(0x7f0000000680)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000640)={&(0x7f0000000380)={0x2b4, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@ETHTOOL_A_FEATURES_WANTED={0xb4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x200}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffffffee}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x2}, @ETHTOOL_A_BITSET_BITS={0x98, 0x3, 0x0, 0x1, [{0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '^%\\[[\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',&\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3c5d}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x20}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '--}\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'erspan0\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2c7048e0}]}]}]}, @ETHTOOL_A_FEATURES_WANTED={0x1ec, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xe2, 0x5, "4550d3a4b4be0486df231cb7ea44780d08605fc55a2d713b0cd86d58536b252a53254b1a5f9de239ecaed7a84582c7b4d6040e176ffbbd5a08ff1594775a9cb5fd50e80df72e521cc4710c6a58cb0330cbacb423491184d5f9ebc1ab8e72c0fec636d5cf37dfc29d3291d14de6f2a60daa3047957896850ced7f00c420d6f71f67e67eced66879ba065a4dc1979cbd69483a0c2d48fb50627fe47e18905ffbd0896c087e2567e649ed1ad833c5c7934e7832c14da16c10960291db8693ca52b958c71ff54697fb7029e8ba632d49937547e559191d4253edd0fd9938b145"}, @ETHTOOL_A_BITSET_VALUE={0x93, 0x4, "01f1fd2dcec91be5f2306c411dc56195a6f285e53001acf00650c6d4b697379875cfadc8cf78df97af2d86b87bc96129e9ad788ca68bd8d99270ad9bdd63533dad33ca772ab3588468bab469bb61d65c516bf74fab8e7709ec0402a9727235e12dcb23e80380eeeea362db64a7f0547a223febcf10abd7d160e12288d74b27bf801844403c149b3c09890493a04214"}, @ETHTOOL_A_BITSET_VALUE={0x6e, 0x4, "c96c14e58dbf40434941b928988a505549e052ff4a41130f18fbe7b68be80a30a86e0e28e5169899638bca354b8f74840271e488b358bdb71a8450fd688731dbeaccfd98d29c36f2c38dc3a9c1e6247a7bb00c133ab4e8d0d61bc508ba12b8d084b092ff44e2e5e4e83c"}]}]}, 0x2b4}, 0x1, 0x0, 0x0, 0x41}, 0x80) (async) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r2, 0x800, 0x70bd2a, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'erspan0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5}, @IPVS_CMD_ATTR_SERVICE={0x10, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8d24}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x96013d7a}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0xc0c0) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) 00:51:27 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2402}, 0x0) 00:51:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x25}}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x805) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) (async) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000340), r1) sendmsg$ETHTOOL_MSG_FEATURES_SET(r1, &(0x7f0000000680)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000640)={&(0x7f0000000380)={0x2b4, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@ETHTOOL_A_FEATURES_WANTED={0xb4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x200}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffffffee}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x2}, @ETHTOOL_A_BITSET_BITS={0x98, 0x3, 0x0, 0x1, [{0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '^%\\[[\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',&\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3c5d}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x20}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '--}\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'sip\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'erspan0\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2c7048e0}]}]}]}, @ETHTOOL_A_FEATURES_WANTED={0x1ec, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xe2, 0x5, "4550d3a4b4be0486df231cb7ea44780d08605fc55a2d713b0cd86d58536b252a53254b1a5f9de239ecaed7a84582c7b4d6040e176ffbbd5a08ff1594775a9cb5fd50e80df72e521cc4710c6a58cb0330cbacb423491184d5f9ebc1ab8e72c0fec636d5cf37dfc29d3291d14de6f2a60daa3047957896850ced7f00c420d6f71f67e67eced66879ba065a4dc1979cbd69483a0c2d48fb50627fe47e18905ffbd0896c087e2567e649ed1ad833c5c7934e7832c14da16c10960291db8693ca52b958c71ff54697fb7029e8ba632d49937547e559191d4253edd0fd9938b145"}, @ETHTOOL_A_BITSET_VALUE={0x93, 0x4, "01f1fd2dcec91be5f2306c411dc56195a6f285e53001acf00650c6d4b697379875cfadc8cf78df97af2d86b87bc96129e9ad788ca68bd8d99270ad9bdd63533dad33ca772ab3588468bab469bb61d65c516bf74fab8e7709ec0402a9727235e12dcb23e80380eeeea362db64a7f0547a223febcf10abd7d160e12288d74b27bf801844403c149b3c09890493a04214"}, @ETHTOOL_A_BITSET_VALUE={0x6e, 0x4, "c96c14e58dbf40434941b928988a505549e052ff4a41130f18fbe7b68be80a30a86e0e28e5169899638bca354b8f74840271e488b358bdb71a8450fd688731dbeaccfd98d29c36f2c38dc3a9c1e6247a7bb00c133ab4e8d0d61bc508ba12b8d084b092ff44e2e5e4e83c"}]}]}, 0x2b4}, 0x1, 0x0, 0x0, 0x41}, 0x80) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8800000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r2, 0x800, 0x70bd2a, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'erspan0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5}, @IPVS_CMD_ATTR_SERVICE={0x10, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'none\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8d24}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_PE_NAME={0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x96013d7a}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0xc0c0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:27 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) 00:51:27 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2403}, 0x0) [ 2759.542510][ T4661] FAULT_INJECTION: forcing a failure. [ 2759.542510][ T4661] name failslab, interval 1, probability 0, space 0, times 0 [ 2759.556949][ T4661] CPU: 1 PID: 4661 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2759.568668][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2759.578556][ T4661] Call Trace: [ 2759.581693][ T4661] dump_stack_lvl+0x1e2/0x24b [ 2759.586198][ T4661] ? panic+0x80b/0x80b [ 2759.590275][ T4661] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2759.595653][ T4661] ? selinux_kernfs_init_security+0x14a/0x720 [ 2759.601657][ T4661] ? idr_alloc_cyclic+0x369/0x5d0 [ 2759.606617][ T4661] dump_stack+0x15/0x17 [ 2759.610697][ T4661] should_fail+0x3c6/0x510 [ 2759.614938][ T4661] ? __kernfs_new_node+0x99/0x700 [ 2759.619797][ T4661] __should_failslab+0xa4/0xe0 [ 2759.624504][ T4661] should_failslab+0x9/0x20 [ 2759.628822][ T4661] __kmalloc_track_caller+0x5f/0x320 [ 2759.634074][ T4661] kstrdup_const+0x55/0x90 [ 2759.638323][ T4661] __kernfs_new_node+0x99/0x700 [ 2759.643201][ T4661] ? kernfs_activate+0x31a/0x330 [ 2759.647958][ T4661] ? __kasan_check_write+0x14/0x20 [ 2759.652989][ T4661] ? mutex_lock+0xa5/0x110 [ 2759.657255][ T4661] ? kernfs_new_node+0x170/0x170 [ 2759.662280][ T4661] ? __kasan_check_write+0x14/0x20 [ 2759.667790][ T4661] ? mutex_unlock+0x1c/0x40 [ 2759.672122][ T4661] ? kernfs_activate+0x31a/0x330 [ 2759.676907][ T4661] kernfs_new_node+0x97/0x170 [ 2759.681516][ T4661] kernfs_create_link+0xba/0x210 [ 2759.686378][ T4661] sysfs_do_create_link_sd+0x89/0x110 [ 2759.691823][ T4661] sysfs_create_link+0x68/0x80 [ 2759.696412][ T4661] device_add_class_symlinks+0x222/0x2a0 [ 2759.701876][ T4661] device_add+0x4b7/0xbc0 [ 2759.706055][ T4661] device_create+0x259/0x2e0 [ 2759.710541][ T4661] ? root_device_unregister+0x80/0x80 [ 2759.715697][ T4661] ? memset+0x35/0x40 [ 2759.719578][ T4661] ? number+0xb5a/0xf80 [ 2759.723570][ T4661] bdi_register_va+0x93/0x610 [ 2759.728342][ T4661] bdi_register+0xd1/0x120 [ 2759.732548][ T4661] ? vsnprintf+0x1e1/0x1c70 [ 2759.737029][ T4661] ? __device_add_disk+0x552/0x11a0 [ 2759.742134][ T4661] ? bdi_register_va+0x610/0x610 [ 2759.746879][ T4661] ? __kasan_check_read+0x11/0x20 [ 2759.751845][ T4661] ? blk_alloc_devt+0xd7/0x330 [ 2759.756782][ T4661] __device_add_disk+0x5de/0x11a0 [ 2759.761792][ T4661] ? device_add_disk+0x40/0x40 [ 2759.766380][ T4661] ? vsprintf+0x40/0x40 [ 2759.770527][ T4661] ? device_initialize+0x1e1/0x420 [ 2759.775715][ T4661] device_add_disk+0x2a/0x40 [ 2759.780269][ T4661] loop_add+0x580/0x750 [ 2759.784256][ T4661] loop_control_ioctl+0x448/0x620 [ 2759.789115][ T4661] ? loop_remove+0xb0/0xb0 [ 2759.793364][ T4661] ? __fget_files+0x31e/0x380 [ 2759.797878][ T4661] ? security_file_ioctl+0x84/0xb0 [ 2759.802819][ T4661] ? loop_remove+0xb0/0xb0 [ 2759.807071][ T4661] __se_sys_ioctl+0x114/0x190 [ 2759.811584][ T4661] __x64_sys_ioctl+0x7b/0x90 [ 2759.816112][ T4661] do_syscall_64+0x34/0x70 [ 2759.820355][ T4661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2759.826166][ T4661] RIP: 0033:0x7f21011fbba9 [ 2759.830505][ T4661] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2759.850293][ T4661] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2759.858674][ T4661] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2759.866496][ T4661] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2759.874296][ T4661] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2759.882123][ T4661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2759.890087][ T4661] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2759.898957][ T4661] ------------[ cut here ]------------ [ 2759.904315][ T4661] WARNING: CPU: 0 PID: 4661 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2759.914363][ T4661] Modules linked in: [ 2759.918505][ T4661] CPU: 1 PID: 4661 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2759.930113][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2759.940127][ T4661] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2759.945820][ T4661] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2759.965547][ T4661] RSP: 0018:ffffc90009657be0 EFLAGS: 00010287 [ 2759.971535][ T4661] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2759.979469][ T4661] RDX: ffffc90003b20000 RSI: 000000000000bf04 RDI: 000000000000bf05 [ 2759.987228][ T4661] RBP: ffffc90009657d30 R08: ffffffff82471949 R09: ffffc90009657630 [ 2759.995026][ T4661] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812eeb7068 [ 2760.002887][ T4661] R13: ffff88812eeb7000 R14: ffff88812eeb7348 R15: ffff888126d87000 [ 2760.010678][ T4661] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2760.019483][ T4661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2760.025844][ T4661] CR2: 00007f461896b988 CR3: 000000010e57f000 CR4: 00000000003506a0 [ 2760.033800][ T4661] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2760.041582][ T4661] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2760.049666][ T4661] Call Trace: [ 2760.052752][ T4661] ? show_regs+0x58/0x60 [ 2760.056943][ T4661] ? __warn+0x160/0x2f0 [ 2760.061001][ T4661] ? __device_add_disk+0xe1e/0x11a0 [ 2760.066289][ T4661] ? report_bug+0x3d9/0x5b0 [ 2760.070584][ T4661] ? __device_add_disk+0xe1e/0x11a0 [ 2760.075699][ T4661] ? handle_bug+0x41/0x70 [ 2760.079900][ T4661] ? exc_invalid_op+0x1b/0x50 [ 2760.084378][ T4661] ? asm_exc_invalid_op+0x12/0x20 [ 2760.089273][ T4661] ? __device_add_disk+0x5e9/0x11a0 [ 2760.094273][ T4661] ? __device_add_disk+0xe1e/0x11a0 [ 2760.099346][ T4661] ? __device_add_disk+0xe1e/0x11a0 [ 2760.104361][ T4661] ? device_add_disk+0x40/0x40 [ 2760.109156][ T4661] ? vsprintf+0x40/0x40 [ 2760.113270][ T4661] ? device_initialize+0x1e1/0x420 [ 2760.118271][ T4661] device_add_disk+0x2a/0x40 [ 2760.122656][ T4661] loop_add+0x580/0x750 [ 2760.126682][ T4661] loop_control_ioctl+0x448/0x620 [ 2760.131600][ T4661] ? loop_remove+0xb0/0xb0 [ 2760.135839][ T4661] ? __fget_files+0x31e/0x380 [ 2760.140395][ T4661] ? security_file_ioctl+0x84/0xb0 [ 2760.145304][ T4661] ? loop_remove+0xb0/0xb0 [ 2760.149610][ T4661] __se_sys_ioctl+0x114/0x190 [ 2760.154204][ T4661] __x64_sys_ioctl+0x7b/0x90 [ 2760.158671][ T4661] do_syscall_64+0x34/0x70 [ 2760.163059][ T4661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2760.168983][ T4661] RIP: 0033:0x7f21011fbba9 [ 2760.173210][ T4661] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2760.192770][ T4661] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2760.200993][ T4661] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2760.208833][ T4661] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2760.216616][ T4661] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2760.224505][ T4661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2760.232453][ T4661] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2760.240210][ T4661] ---[ end trace e38559e1ffcc9c6e ]--- 00:51:28 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 49) 00:51:28 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) 00:51:28 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:28 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:28 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2500}, 0x0) 00:51:28 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) [ 2760.311466][ T4679] __nla_validate_parse: 4 callbacks suppressed [ 2760.311476][ T4679] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2760.340902][ T4687] FAULT_INJECTION: forcing a failure. [ 2760.340902][ T4687] name failslab, interval 1, probability 0, space 0, times 0 00:51:28 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2760.353523][ T4687] CPU: 1 PID: 4687 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2760.365094][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2760.375054][ T4687] Call Trace: [ 2760.378190][ T4687] dump_stack_lvl+0x1e2/0x24b [ 2760.382703][ T4687] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2760.388033][ T4687] ? selinux_kernfs_init_security+0x14a/0x720 [ 2760.393902][ T4687] ? idr_alloc_cyclic+0x369/0x5d0 [ 2760.399207][ T4687] dump_stack+0x15/0x17 [ 2760.403182][ T4687] should_fail+0x3c6/0x510 [ 2760.407552][ T4687] ? __kernfs_new_node+0xdb/0x700 [ 2760.412413][ T4687] __should_failslab+0xa4/0xe0 [ 2760.417116][ T4687] should_failslab+0x9/0x20 [ 2760.421436][ T4687] kmem_cache_alloc+0x3d/0x2e0 [ 2760.426064][ T4687] __kernfs_new_node+0xdb/0x700 [ 2760.430719][ T4687] ? __kasan_check_write+0x14/0x20 [ 2760.435756][ T4687] ? mutex_lock+0xa5/0x110 [ 2760.440005][ T4687] ? kernfs_new_node+0x170/0x170 [ 2760.444794][ T4687] ? __kasan_check_write+0x14/0x20 [ 2760.449820][ T4687] ? mutex_unlock+0x1c/0x40 [ 2760.454155][ T4687] ? kernfs_activate+0x31a/0x330 [ 2760.459091][ T4687] kernfs_new_node+0x97/0x170 [ 2760.463595][ T4687] __kernfs_create_file+0x4a/0x270 [ 2760.468548][ T4687] sysfs_add_file_mode_ns+0x273/0x320 [ 2760.473878][ T4687] internal_create_group+0x573/0xf00 [ 2760.478979][ T4687] ? kernfs_activate+0x31a/0x330 [ 2760.483746][ T4687] ? sysfs_create_group+0x30/0x30 [ 2760.488603][ T4687] ? kernfs_put+0x4e5/0x520 [ 2760.492985][ T4687] ? kernfs_create_link+0x1a3/0x210 [ 2760.497980][ T4687] sysfs_create_groups+0x5b/0x130 [ 2760.503804][ T4687] device_add_attrs+0x8b/0x3e0 [ 2760.508522][ T4687] ? device_add_class_symlinks+0x27c/0x2a0 [ 2760.514266][ T4687] device_add+0x4da/0xbc0 [ 2760.518434][ T4687] device_create+0x259/0x2e0 [ 2760.522855][ T4687] ? root_device_unregister+0x80/0x80 [ 2760.528133][ T4687] ? memset+0x35/0x40 [ 2760.532144][ T4687] ? number+0xb5a/0xf80 [ 2760.536323][ T4687] bdi_register_va+0x93/0x610 [ 2760.540828][ T4687] bdi_register+0xd1/0x120 [ 2760.545118][ T4687] ? vsnprintf+0x1e1/0x1c70 [ 2760.549421][ T4687] ? __device_add_disk+0x552/0x11a0 [ 2760.554451][ T4687] ? bdi_register_va+0x610/0x610 [ 2760.559247][ T4687] ? __kasan_check_read+0x11/0x20 [ 2760.564179][ T4687] ? blk_alloc_devt+0xd7/0x330 [ 2760.568787][ T4687] __device_add_disk+0x5de/0x11a0 [ 2760.573634][ T4687] ? device_add_disk+0x40/0x40 [ 2760.578232][ T4687] ? vsprintf+0x40/0x40 [ 2760.582223][ T4687] ? device_initialize+0x1e1/0x420 [ 2760.587173][ T4687] device_add_disk+0x2a/0x40 [ 2760.591603][ T4687] loop_add+0x580/0x750 [ 2760.595589][ T4687] loop_control_ioctl+0x448/0x620 [ 2760.600451][ T4687] ? loop_remove+0xb0/0xb0 [ 2760.604702][ T4687] ? __fget_files+0x31e/0x380 [ 2760.609225][ T4687] ? security_file_ioctl+0x84/0xb0 [ 2760.614161][ T4687] ? loop_remove+0xb0/0xb0 [ 2760.619130][ T4687] __se_sys_ioctl+0x114/0x190 [ 2760.623795][ T4687] __x64_sys_ioctl+0x7b/0x90 [ 2760.628232][ T4687] do_syscall_64+0x34/0x70 [ 2760.632490][ T4687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2760.638199][ T4687] RIP: 0033:0x7f21011fbba9 [ 2760.642541][ T4687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2760.661980][ T4687] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2760.670228][ T4687] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2760.678036][ T4687] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2760.685845][ T4687] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2760.693666][ T4687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2760.701471][ T4687] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2760.710693][ T4687] ------------[ cut here ]------------ [ 2760.716219][ T4687] WARNING: CPU: 1 PID: 4687 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2760.725142][ T4687] Modules linked in: [ 2760.728939][ T4687] CPU: 1 PID: 4687 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2760.740494][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2760.750469][ T4687] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2760.756223][ T4687] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2760.775607][ T4687] RSP: 0018:ffffc900099a7be0 EFLAGS: 00010287 [ 2760.781539][ T4687] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2760.789315][ T4687] RDX: ffffc90003b20000 RSI: 000000000000c8e3 RDI: 000000000000c8e4 [ 2760.797240][ T4687] RBP: ffffc900099a7d30 R08: ffffffff82471949 R09: ffffc900099a7630 [ 2760.805016][ T4687] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff888101bc8068 [ 2760.812874][ T4687] R13: ffff888101bc8000 R14: ffff888101bc8348 R15: ffff888101bcc000 [ 2760.820650][ T4687] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2760.829458][ T4687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2760.835826][ T4687] CR2: 00007f20fff7dff8 CR3: 000000010e4bb000 CR4: 00000000003506a0 [ 2760.843701][ T4687] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2760.851461][ T4687] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2760.859290][ T4687] Call Trace: [ 2760.862395][ T4687] ? show_regs+0x58/0x60 [ 2760.866489][ T4687] ? __warn+0x160/0x2f0 [ 2760.870455][ T4687] ? __device_add_disk+0xe1e/0x11a0 [ 2760.875477][ T4687] ? report_bug+0x3d9/0x5b0 [ 2760.879865][ T4687] ? __device_add_disk+0xe1e/0x11a0 [ 2760.884874][ T4687] ? handle_bug+0x41/0x70 [ 2760.889179][ T4687] ? exc_invalid_op+0x1b/0x50 [ 2760.893746][ T4687] ? asm_exc_invalid_op+0x12/0x20 [ 2760.898765][ T4687] ? __device_add_disk+0x5e9/0x11a0 [ 2760.904020][ T4687] ? __device_add_disk+0xe1e/0x11a0 [ 2760.909292][ T4687] ? __device_add_disk+0xe1e/0x11a0 [ 2760.914372][ T4687] ? device_add_disk+0x40/0x40 [ 2760.918998][ T4687] ? vsprintf+0x40/0x40 [ 2760.922970][ T4687] ? device_initialize+0x1e1/0x420 [ 2760.928081][ T4687] device_add_disk+0x2a/0x40 [ 2760.932545][ T4687] loop_add+0x580/0x750 [ 2760.936694][ T4687] loop_control_ioctl+0x448/0x620 [ 2760.941579][ T4687] ? loop_remove+0xb0/0xb0 [ 2760.945823][ T4687] ? __fget_files+0x31e/0x380 [ 2760.950382][ T4687] ? security_file_ioctl+0x84/0xb0 [ 2760.955315][ T4687] ? loop_remove+0xb0/0xb0 [ 2760.959602][ T4687] __se_sys_ioctl+0x114/0x190 [ 2760.964051][ T4687] __x64_sys_ioctl+0x7b/0x90 [ 2760.968516][ T4687] do_syscall_64+0x34/0x70 [ 2760.972855][ T4687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2760.978598][ T4687] RIP: 0033:0x7f21011fbba9 [ 2760.982922][ T4687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2761.002371][ T4687] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2761.010678][ T4687] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2761.018659][ T4687] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2761.026517][ T4687] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2761.034301][ T4687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2761.042171][ T4687] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2761.049980][ T4687] ---[ end trace e38559e1ffcc9c6f ]--- 00:51:29 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 50) 00:51:29 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) 00:51:29 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) 00:51:29 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2501}, 0x0) 00:51:29 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2761.062309][ T4695] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2761.098422][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:29 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(0xffffffffffffffff, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:29 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x301003, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x4) [ 2761.127251][ T4700] FAULT_INJECTION: forcing a failure. [ 2761.127251][ T4700] name failslab, interval 1, probability 0, space 0, times 0 [ 2761.140104][ T4700] CPU: 0 PID: 4700 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2761.144786][ T4708] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2761.151644][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2761.151650][ T4700] Call Trace: [ 2761.151676][ T4700] dump_stack_lvl+0x1e2/0x24b [ 2761.151690][ T4700] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2761.151705][ T4700] ? selinux_kernfs_init_security+0x14a/0x720 [ 2761.151717][ T4700] ? idr_alloc_cyclic+0x369/0x5d0 [ 2761.151731][ T4700] dump_stack+0x15/0x17 [ 2761.151744][ T4700] should_fail+0x3c6/0x510 [ 2761.151769][ T4700] ? __kernfs_new_node+0xdb/0x700 [ 2761.207376][ T4700] __should_failslab+0xa4/0xe0 [ 2761.211959][ T4700] should_failslab+0x9/0x20 [ 2761.216310][ T4700] kmem_cache_alloc+0x3d/0x2e0 [ 2761.220908][ T4700] __kernfs_new_node+0xdb/0x700 [ 2761.225592][ T4700] ? __kasan_check_write+0x14/0x20 [ 2761.230531][ T4700] ? mutex_lock+0xa5/0x110 [ 2761.234792][ T4700] ? kernfs_new_node+0x170/0x170 [ 2761.239554][ T4700] ? __kasan_check_write+0x14/0x20 [ 2761.244693][ T4700] ? mutex_unlock+0x1c/0x40 [ 2761.249019][ T4700] ? kernfs_activate+0x31a/0x330 [ 2761.253794][ T4700] kernfs_new_node+0x97/0x170 [ 2761.258320][ T4700] __kernfs_create_file+0x4a/0x270 [ 2761.263250][ T4700] sysfs_add_file_mode_ns+0x273/0x320 [ 2761.268457][ T4700] internal_create_group+0x573/0xf00 [ 2761.273594][ T4700] ? kernfs_activate+0x31a/0x330 [ 2761.278404][ T4700] ? sysfs_create_group+0x30/0x30 [ 2761.283224][ T4700] ? kernfs_put+0x4e5/0x520 [ 2761.287561][ T4700] ? kernfs_create_link+0x1a3/0x210 [ 2761.292629][ T4700] sysfs_create_groups+0x5b/0x130 [ 2761.297495][ T4700] device_add_attrs+0x8b/0x3e0 [ 2761.302053][ T4700] ? device_add_class_symlinks+0x27c/0x2a0 [ 2761.307699][ T4700] device_add+0x4da/0xbc0 [ 2761.311858][ T4700] device_create+0x259/0x2e0 [ 2761.316477][ T4700] ? root_device_unregister+0x80/0x80 [ 2761.321674][ T4700] ? memset+0x35/0x40 [ 2761.325500][ T4700] ? number+0xb5a/0xf80 [ 2761.329482][ T4700] bdi_register_va+0x93/0x610 [ 2761.333995][ T4700] bdi_register+0xd1/0x120 [ 2761.338392][ T4700] ? vsnprintf+0x1e1/0x1c70 [ 2761.342862][ T4700] ? __device_add_disk+0x552/0x11a0 [ 2761.347852][ T4700] ? bdi_register_va+0x610/0x610 [ 2761.352625][ T4700] ? __kasan_check_read+0x11/0x20 [ 2761.357481][ T4700] ? blk_alloc_devt+0xd7/0x330 [ 2761.362101][ T4700] __device_add_disk+0x5de/0x11a0 [ 2761.366947][ T4700] ? device_add_disk+0x40/0x40 [ 2761.371542][ T4700] ? vsprintf+0x40/0x40 [ 2761.375536][ T4700] ? device_initialize+0x1e1/0x420 [ 2761.380483][ T4700] device_add_disk+0x2a/0x40 [ 2761.384907][ T4700] loop_add+0x580/0x750 [ 2761.388905][ T4700] loop_control_ioctl+0x448/0x620 [ 2761.393986][ T4700] ? loop_remove+0xb0/0xb0 [ 2761.398236][ T4700] ? __fget_files+0x31e/0x380 [ 2761.402765][ T4700] ? security_file_ioctl+0x84/0xb0 [ 2761.407690][ T4700] ? loop_remove+0xb0/0xb0 [ 2761.411940][ T4700] __se_sys_ioctl+0x114/0x190 [ 2761.416613][ T4700] __x64_sys_ioctl+0x7b/0x90 [ 2761.420983][ T4700] do_syscall_64+0x34/0x70 [ 2761.425233][ T4700] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2761.431125][ T4700] RIP: 0033:0x7f21011fbba9 [ 2761.435610][ T4700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2761.455053][ T4700] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2761.463340][ T4700] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:29 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2502}, 0x0) [ 2761.471121][ T4700] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2761.479004][ T4700] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2761.486914][ T4700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2761.494737][ T4700] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2761.506911][ T4700] ------------[ cut here ]------------ [ 2761.512292][ T4700] WARNING: CPU: 1 PID: 4700 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2761.521486][ T4700] Modules linked in: [ 2761.525344][ T4700] CPU: 1 PID: 4700 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2761.537003][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2761.546971][ T4700] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2761.552562][ T4700] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2761.572330][ T4700] RSP: 0018:ffffc900099d7be0 EFLAGS: 00010283 [ 2761.578584][ T4700] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2761.586542][ T4700] RDX: ffffc90003b20000 RSI: 00000000000297cd RDI: 00000000000297ce [ 2761.594427][ T4700] RBP: ffffc900099d7d30 R08: ffffffff82471949 R09: ffffc900099d7630 [ 2761.602269][ T4700] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812c2a0068 [ 2761.610060][ T4700] R13: ffff88812c2a0000 R14: ffff88812c2a0348 R15: ffff888112c2e000 [ 2761.617997][ T4700] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2761.626821][ T4700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2761.633292][ T4700] CR2: 00007f461758bd58 CR3: 000000013c42e000 CR4: 00000000003506b0 [ 2761.641285][ T4700] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2761.649069][ T4700] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2761.656892][ T4700] Call Trace: [ 2761.659996][ T4700] ? show_regs+0x58/0x60 [ 2761.664143][ T4700] ? __warn+0x160/0x2f0 [ 2761.668207][ T4700] ? __device_add_disk+0xe1e/0x11a0 [ 2761.673303][ T4700] ? report_bug+0x3d9/0x5b0 [ 2761.677653][ T4700] ? __device_add_disk+0xe1e/0x11a0 [ 2761.682692][ T4700] ? handle_bug+0x41/0x70 [ 2761.686891][ T4700] ? exc_invalid_op+0x1b/0x50 [ 2761.691481][ T4700] ? asm_exc_invalid_op+0x12/0x20 [ 2761.696343][ T4700] ? __device_add_disk+0x5e9/0x11a0 [ 2761.701348][ T4700] ? __device_add_disk+0xe1e/0x11a0 [ 2761.706413][ T4700] ? __device_add_disk+0xe1e/0x11a0 [ 2761.711436][ T4700] ? device_add_disk+0x40/0x40 [ 2761.716011][ T4700] ? vsprintf+0x40/0x40 [ 2761.720062][ T4700] ? device_initialize+0x1e1/0x420 [ 2761.725099][ T4700] device_add_disk+0x2a/0x40 [ 2761.729553][ T4700] loop_add+0x580/0x750 [ 2761.733635][ T4700] loop_control_ioctl+0x448/0x620 [ 2761.738471][ T4700] ? loop_remove+0xb0/0xb0 [ 2761.742709][ T4700] ? __fget_files+0x31e/0x380 [ 2761.747249][ T4700] ? security_file_ioctl+0x84/0xb0 [ 2761.752171][ T4700] ? loop_remove+0xb0/0xb0 [ 2761.756703][ T4700] __se_sys_ioctl+0x114/0x190 [ 2761.761198][ T4700] __x64_sys_ioctl+0x7b/0x90 [ 2761.765623][ T4700] do_syscall_64+0x34/0x70 [ 2761.769999][ T4700] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2761.775692][ T4700] RIP: 0033:0x7f21011fbba9 [ 2761.780066][ T4700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2761.799817][ T4700] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2761.808233][ T4700] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2761.816016][ T4700] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:29 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x301003, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x4) 00:51:29 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 51) [ 2761.823969][ T4700] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2761.831942][ T4700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2761.839853][ T4700] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2761.847759][ T4700] ---[ end trace e38559e1ffcc9c70 ]--- 00:51:30 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(0xffffffffffffffff, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:30 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:30 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 2761.898103][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2761.918583][ T4717] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2761.920417][ T4720] FAULT_INJECTION: forcing a failure. [ 2761.920417][ T4720] name failslab, interval 1, probability 0, space 0, times 0 00:51:30 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2503}, 0x0) [ 2761.948324][ T4720] CPU: 1 PID: 4720 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2761.959786][ T4720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2761.969662][ T4720] Call Trace: [ 2761.972818][ T4720] dump_stack_lvl+0x1e2/0x24b [ 2761.977309][ T4720] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2761.982783][ T4720] ? selinux_kernfs_init_security+0x14a/0x720 [ 2761.988680][ T4720] ? idr_alloc_cyclic+0x369/0x5d0 [ 2761.993537][ T4720] dump_stack+0x15/0x17 [ 2761.997535][ T4720] should_fail+0x3c6/0x510 [ 2762.001792][ T4720] ? __kernfs_new_node+0xdb/0x700 [ 2762.006648][ T4720] __should_failslab+0xa4/0xe0 [ 2762.011256][ T4720] should_failslab+0x9/0x20 [ 2762.015582][ T4720] kmem_cache_alloc+0x3d/0x2e0 [ 2762.020183][ T4720] __kernfs_new_node+0xdb/0x700 [ 2762.024868][ T4720] ? __kasan_check_write+0x14/0x20 [ 2762.029825][ T4720] ? mutex_lock+0xa5/0x110 [ 2762.034071][ T4720] ? kernfs_new_node+0x170/0x170 [ 2762.039360][ T4720] ? __kasan_check_write+0x14/0x20 [ 2762.044311][ T4720] ? mutex_unlock+0x1c/0x40 [ 2762.048648][ T4720] ? kernfs_activate+0x31a/0x330 [ 2762.053427][ T4720] kernfs_new_node+0x97/0x170 [ 2762.057939][ T4720] __kernfs_create_file+0x4a/0x270 [ 2762.062887][ T4720] sysfs_add_file_mode_ns+0x273/0x320 [ 2762.068089][ T4720] internal_create_group+0x573/0xf00 [ 2762.073211][ T4720] ? kernfs_activate+0x31a/0x330 [ 2762.077987][ T4720] ? sysfs_create_group+0x30/0x30 [ 2762.082845][ T4720] ? kernfs_put+0x4e5/0x520 [ 2762.087182][ T4720] ? kernfs_create_link+0x1a3/0x210 [ 2762.092218][ T4720] sysfs_create_groups+0x5b/0x130 [ 2762.097080][ T4720] device_add_attrs+0x8b/0x3e0 [ 2762.101695][ T4720] ? device_add_class_symlinks+0x27c/0x2a0 [ 2762.107325][ T4720] device_add+0x4da/0xbc0 [ 2762.111486][ T4720] device_create+0x259/0x2e0 [ 2762.115915][ T4720] ? root_device_unregister+0x80/0x80 [ 2762.121120][ T4720] ? memset+0x35/0x40 [ 2762.124936][ T4720] ? number+0xb5a/0xf80 [ 2762.128932][ T4720] bdi_register_va+0x93/0x610 [ 2762.133533][ T4720] bdi_register+0xd1/0x120 [ 2762.137785][ T4720] ? vsnprintf+0x1e1/0x1c70 [ 2762.142126][ T4720] ? __device_add_disk+0x552/0x11a0 [ 2762.147159][ T4720] ? bdi_register_va+0x610/0x610 [ 2762.151960][ T4720] ? __kasan_check_read+0x11/0x20 [ 2762.156792][ T4720] ? blk_alloc_devt+0xd7/0x330 [ 2762.161393][ T4720] __device_add_disk+0x5de/0x11a0 [ 2762.166255][ T4720] ? device_add_disk+0x40/0x40 [ 2762.170856][ T4720] ? vsprintf+0x40/0x40 [ 2762.174847][ T4720] ? device_initialize+0x1e1/0x420 [ 2762.179790][ T4720] device_add_disk+0x2a/0x40 [ 2762.184221][ T4720] loop_add+0x580/0x750 [ 2762.188210][ T4720] loop_control_ioctl+0x448/0x620 [ 2762.193068][ T4720] ? loop_remove+0xb0/0xb0 [ 2762.197323][ T4720] ? __fget_files+0x31e/0x380 [ 2762.201840][ T4720] ? security_file_ioctl+0x84/0xb0 [ 2762.206787][ T4720] ? loop_remove+0xb0/0xb0 [ 2762.211039][ T4720] __se_sys_ioctl+0x114/0x190 [ 2762.215549][ T4720] __x64_sys_ioctl+0x7b/0x90 [ 2762.219980][ T4720] do_syscall_64+0x34/0x70 [ 2762.224230][ T4720] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2762.229962][ T4720] RIP: 0033:0x7f21011fbba9 [ 2762.234208][ T4720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2762.253651][ T4720] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2762.261895][ T4720] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2762.269712][ T4720] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2762.277516][ T4720] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2762.285328][ T4720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:30 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) (async) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x301003, 0x0) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000080)=0x4) [ 2762.293150][ T4720] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2762.303547][ T4720] ------------[ cut here ]------------ [ 2762.308991][ T4720] WARNING: CPU: 1 PID: 4720 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2762.318230][ T4720] Modules linked in: [ 2762.321982][ T4720] CPU: 0 PID: 4720 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2762.333581][ T4720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2762.343493][ T4720] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2762.349320][ T4720] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2762.368925][ T4720] RSP: 0018:ffffc90009af7be0 EFLAGS: 00010283 [ 2762.374805][ T4720] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2762.382848][ T4720] RDX: ffffc90003b20000 RSI: 000000000002405a RDI: 000000000002405b [ 2762.390856][ T4720] RBP: ffffc90009af7d30 R08: ffffffff82471949 R09: ffffc90009af7630 [ 2762.398919][ T4720] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88810f874068 [ 2762.406754][ T4720] R13: ffff88810f874000 R14: ffff88810f874348 R15: ffff88810f871000 [ 2762.414525][ T4720] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2762.423325][ T4720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2762.430117][ T4720] CR2: 00007f56351ddd58 CR3: 000000010ed7e000 CR4: 00000000003506b0 [ 2762.438206][ T4720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2762.445972][ T4720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2762.453813][ T4720] Call Trace: [ 2762.456964][ T4720] ? show_regs+0x58/0x60 [ 2762.460994][ T4720] ? __warn+0x160/0x2f0 [ 2762.465118][ T4720] ? __device_add_disk+0xe1e/0x11a0 [ 2762.470154][ T4720] ? report_bug+0x3d9/0x5b0 [ 2762.474578][ T4720] ? __device_add_disk+0xe1e/0x11a0 [ 2762.479651][ T4720] ? handle_bug+0x41/0x70 [ 2762.483768][ T4720] ? exc_invalid_op+0x1b/0x50 [ 2762.488400][ T4720] ? asm_exc_invalid_op+0x12/0x20 [ 2762.493231][ T4720] ? __device_add_disk+0x5e9/0x11a0 [ 2762.498294][ T4720] ? __device_add_disk+0xe1e/0x11a0 [ 2762.503301][ T4720] ? __device_add_disk+0xe1e/0x11a0 [ 2762.508521][ T4720] ? device_add_disk+0x40/0x40 [ 2762.513083][ T4720] ? vsprintf+0x40/0x40 [ 2762.517107][ T4720] ? device_initialize+0x1e1/0x420 [ 2762.522026][ T4720] device_add_disk+0x2a/0x40 [ 2762.526483][ T4720] loop_add+0x580/0x750 [ 2762.530432][ T4720] loop_control_ioctl+0x448/0x620 [ 2762.535299][ T4720] ? loop_remove+0xb0/0xb0 [ 2762.539577][ T4720] ? __fget_files+0x31e/0x380 [ 2762.544093][ T4720] ? security_file_ioctl+0x84/0xb0 [ 2762.549041][ T4720] ? loop_remove+0xb0/0xb0 [ 2762.553256][ T4720] __se_sys_ioctl+0x114/0x190 [ 2762.557803][ T4720] __x64_sys_ioctl+0x7b/0x90 [ 2762.562287][ T4720] do_syscall_64+0x34/0x70 [ 2762.566577][ T4720] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2762.572260][ T4720] RIP: 0033:0x7f21011fbba9 [ 2762.576559][ T4720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2762.596120][ T4720] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2762.604380][ T4720] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2762.612349][ T4720] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2762.620330][ T4720] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2762.628277][ T4720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2762.636164][ T4720] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2762.643928][ T4720] ---[ end trace e38559e1ffcc9c71 ]--- 00:51:30 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 52) 00:51:30 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2600}, 0x0) 00:51:30 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(0xffffffffffffffff, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2762.657302][ T4733] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2762.684721][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2762.697925][ T4739] FAULT_INJECTION: forcing a failure. 00:51:30 executing program 1: pselect6(0x40, &(0x7f0000000040)={0x4, 0x3, 0x71, 0x9, 0xbdb2, 0xffffffff80000000, 0x80, 0x885}, &(0x7f0000000080)={0x5, 0x0, 0x3635, 0x100000000, 0x5e5, 0x40, 0x200, 0x5}, &(0x7f00000000c0)={0x5, 0x2, 0x3, 0x8, 0x9, 0x480000000000000, 0x220b, 0x9}, &(0x7f0000000100)={0x77359400}, &(0x7f0000000180)={&(0x7f0000000140)={[0x1]}, 0x8}) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000011000100000000000000000007"], 0x14}}, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:30 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:30 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) [ 2762.697925][ T4739] name failslab, interval 1, probability 0, space 0, times 0 [ 2762.713469][ T4739] CPU: 0 PID: 4739 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2762.725019][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2762.735042][ T4739] Call Trace: [ 2762.738270][ T4739] dump_stack_lvl+0x1e2/0x24b [ 2762.743141][ T4739] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2762.748507][ T4739] ? selinux_kernfs_init_security+0x14a/0x720 [ 2762.754406][ T4739] ? idr_alloc_cyclic+0x369/0x5d0 [ 2762.759412][ T4739] dump_stack+0x15/0x17 [ 2762.763594][ T4739] should_fail+0x3c6/0x510 [ 2762.767926][ T4739] ? __kernfs_new_node+0xdb/0x700 [ 2762.772799][ T4739] __should_failslab+0xa4/0xe0 [ 2762.777391][ T4739] should_failslab+0x9/0x20 [ 2762.781737][ T4739] kmem_cache_alloc+0x3d/0x2e0 [ 2762.786335][ T4739] __kernfs_new_node+0xdb/0x700 [ 2762.791016][ T4739] ? __kasan_check_write+0x14/0x20 [ 2762.795956][ T4739] ? mutex_lock+0xa5/0x110 [ 2762.800217][ T4739] ? kernfs_new_node+0x170/0x170 [ 2762.804982][ T4739] ? __kasan_check_write+0x14/0x20 [ 2762.809935][ T4739] ? mutex_unlock+0x1c/0x40 [ 2762.814273][ T4739] ? kernfs_activate+0x31a/0x330 [ 2762.819056][ T4739] kernfs_new_node+0x97/0x170 [ 2762.823729][ T4739] __kernfs_create_file+0x4a/0x270 [ 2762.828677][ T4739] sysfs_add_file_mode_ns+0x273/0x320 [ 2762.833883][ T4739] internal_create_group+0x573/0xf00 [ 2762.839003][ T4739] ? kernfs_activate+0x31a/0x330 [ 2762.843862][ T4739] ? sysfs_create_group+0x30/0x30 [ 2762.848812][ T4739] ? kernfs_put+0x4e5/0x520 [ 2762.853153][ T4739] ? kernfs_create_link+0x1a3/0x210 [ 2762.858185][ T4739] sysfs_create_groups+0x5b/0x130 [ 2762.863052][ T4739] device_add_attrs+0x8b/0x3e0 [ 2762.867656][ T4739] ? device_add_class_symlinks+0x27c/0x2a0 [ 2762.873287][ T4739] device_add+0x4da/0xbc0 [ 2762.877452][ T4739] device_create+0x259/0x2e0 [ 2762.881881][ T4739] ? root_device_unregister+0x80/0x80 [ 2762.887086][ T4739] ? memset+0x35/0x40 [ 2762.890901][ T4739] ? number+0xb5a/0xf80 [ 2762.894896][ T4739] bdi_register_va+0x93/0x610 [ 2762.899499][ T4739] bdi_register+0xd1/0x120 [ 2762.903849][ T4739] ? vsnprintf+0x1e1/0x1c70 [ 2762.908191][ T4739] ? __device_add_disk+0x552/0x11a0 [ 2762.913411][ T4739] ? bdi_register_va+0x610/0x610 [ 2762.918174][ T4739] ? __kasan_check_read+0x11/0x20 [ 2762.923291][ T4739] ? blk_alloc_devt+0xd7/0x330 [ 2762.927893][ T4739] __device_add_disk+0x5de/0x11a0 [ 2762.932821][ T4739] ? device_add_disk+0x40/0x40 [ 2762.937349][ T4739] ? vsprintf+0x40/0x40 [ 2762.941348][ T4739] ? device_initialize+0x1e1/0x420 [ 2762.946291][ T4739] device_add_disk+0x2a/0x40 [ 2762.950720][ T4739] loop_add+0x580/0x750 [ 2762.954708][ T4739] loop_control_ioctl+0x448/0x620 [ 2762.959573][ T4739] ? loop_remove+0xb0/0xb0 [ 2762.963825][ T4739] ? __fget_files+0x31e/0x380 [ 2762.968340][ T4739] ? security_file_ioctl+0x84/0xb0 [ 2762.973284][ T4739] ? loop_remove+0xb0/0xb0 [ 2762.977536][ T4739] __se_sys_ioctl+0x114/0x190 [ 2762.982054][ T4739] __x64_sys_ioctl+0x7b/0x90 [ 2762.986479][ T4739] do_syscall_64+0x34/0x70 [ 2762.990734][ T4739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2762.996459][ T4739] RIP: 0033:0x7f21011fbba9 [ 2763.000714][ T4739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2763.020247][ T4739] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2763.028481][ T4739] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2763.036568][ T4739] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2763.044539][ T4739] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2763.052349][ T4739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2763.060162][ T4739] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2763.070508][ T4739] ------------[ cut here ]------------ [ 2763.075960][ T4739] WARNING: CPU: 0 PID: 4739 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2763.085013][ T4739] Modules linked in: [ 2763.088822][ T4739] CPU: 1 PID: 4739 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2763.100431][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2763.110564][ T4739] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2763.116395][ T4739] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2763.136189][ T4739] RSP: 0018:ffffc90009be7be0 EFLAGS: 00010283 [ 2763.142191][ T4739] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2763.149989][ T4739] RDX: ffffc90003b20000 RSI: 000000000000ca29 RDI: 000000000000ca2a [ 2763.157785][ T4739] RBP: ffffc90009be7d30 R08: ffffffff82471949 R09: ffffc90009be7630 [ 2763.165576][ T4739] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812f9bb068 [ 2763.173476][ T4739] R13: ffff88812f9bb000 R14: ffff88812f9bb348 R15: ffff88810ee04000 [ 2763.181555][ T4739] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2763.190438][ T4739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2763.197004][ T4739] CR2: 00007f461758bd58 CR3: 000000012c4c7000 CR4: 00000000003506a0 [ 2763.204909][ T4739] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2763.212782][ T4739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2763.220627][ T4739] Call Trace: [ 2763.223720][ T4739] ? show_regs+0x58/0x60 [ 2763.227822][ T4739] ? __warn+0x160/0x2f0 [ 2763.231914][ T4739] ? __device_add_disk+0xe1e/0x11a0 [ 2763.237007][ T4739] ? report_bug+0x3d9/0x5b0 [ 2763.241398][ T4739] ? __device_add_disk+0xe1e/0x11a0 [ 2763.246578][ T4739] ? handle_bug+0x41/0x70 [ 2763.250761][ T4739] ? exc_invalid_op+0x1b/0x50 [ 2763.255261][ T4739] ? asm_exc_invalid_op+0x12/0x20 [ 2763.260355][ T4739] ? __device_add_disk+0x5e9/0x11a0 [ 2763.265436][ T4739] ? __device_add_disk+0xe1e/0x11a0 [ 2763.270706][ T4739] ? __device_add_disk+0xe1e/0x11a0 [ 2763.275826][ T4739] ? device_add_disk+0x40/0x40 [ 2763.280536][ T4739] ? vsprintf+0x40/0x40 [ 2763.284609][ T4739] ? device_initialize+0x1e1/0x420 [ 2763.289568][ T4739] device_add_disk+0x2a/0x40 [ 2763.294077][ T4739] loop_add+0x580/0x750 [ 2763.298137][ T4739] loop_control_ioctl+0x448/0x620 [ 2763.303079][ T4739] ? loop_remove+0xb0/0xb0 [ 2763.307389][ T4739] ? __fget_files+0x31e/0x380 [ 2763.311963][ T4739] ? security_file_ioctl+0x84/0xb0 [ 2763.316920][ T4739] ? loop_remove+0xb0/0xb0 [ 2763.321164][ T4739] __se_sys_ioctl+0x114/0x190 [ 2763.325644][ T4739] __x64_sys_ioctl+0x7b/0x90 [ 2763.330132][ T4739] do_syscall_64+0x34/0x70 [ 2763.334342][ T4739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2763.340139][ T4739] RIP: 0033:0x7f21011fbba9 [ 2763.344450][ T4739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2763.364038][ T4739] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2763.372393][ T4739] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2763.380296][ T4739] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2763.388088][ T4739] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2763.395883][ T4739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:31 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 53) 00:51:31 executing program 1: pselect6(0x40, &(0x7f0000000040)={0x4, 0x3, 0x71, 0x9, 0xbdb2, 0xffffffff80000000, 0x80, 0x885}, &(0x7f0000000080)={0x5, 0x0, 0x3635, 0x100000000, 0x5e5, 0x40, 0x200, 0x5}, &(0x7f00000000c0)={0x5, 0x2, 0x3, 0x8, 0x9, 0x480000000000000, 0x220b, 0x9}, &(0x7f0000000100)={0x77359400}, &(0x7f0000000180)={&(0x7f0000000140)={[0x1]}, 0x8}) socket$nl_route(0x10, 0x3, 0x0) (async) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000011000100000000000000000007"], 0x14}}, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:31 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2601}, 0x0) [ 2763.403961][ T4739] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2763.411942][ T4739] ---[ end trace e38559e1ffcc9c72 ]--- [ 2763.427386][ T4754] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:31 executing program 1: pselect6(0x40, &(0x7f0000000040)={0x4, 0x3, 0x71, 0x9, 0xbdb2, 0xffffffff80000000, 0x80, 0x885}, &(0x7f0000000080)={0x5, 0x0, 0x3635, 0x100000000, 0x5e5, 0x40, 0x200, 0x5}, &(0x7f00000000c0)={0x5, 0x2, 0x3, 0x8, 0x9, 0x480000000000000, 0x220b, 0x9}, &(0x7f0000000100)={0x77359400}, &(0x7f0000000180)={&(0x7f0000000140)={[0x1]}, 0x8}) (async) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000011000100000000000000000007"], 0x14}}, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x6040, 0x0) 00:51:31 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:31 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, 0x0, 0x0) 00:51:31 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) 00:51:31 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2602}, 0x0) [ 2763.468232][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2763.493964][ T4757] FAULT_INJECTION: forcing a failure. [ 2763.493964][ T4757] name failslab, interval 1, probability 0, space 0, times 0 [ 2763.495587][ T4761] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2763.526682][ T4757] CPU: 0 PID: 4757 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2763.538249][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2763.548121][ T4757] Call Trace: [ 2763.551249][ T4757] dump_stack_lvl+0x1e2/0x24b [ 2763.555758][ T4757] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2763.561059][ T4757] ? __kasan_check_write+0x14/0x20 [ 2763.566000][ T4757] ? mutex_unlock+0x1c/0x40 [ 2763.570344][ T4757] dump_stack+0x15/0x17 [ 2763.574354][ T4757] should_fail+0x3c6/0x510 [ 2763.578602][ T4757] ? __kernfs_new_node+0xdb/0x700 [ 2763.583448][ T4757] __should_failslab+0xa4/0xe0 [ 2763.588062][ T4757] should_failslab+0x9/0x20 [ 2763.592385][ T4757] kmem_cache_alloc+0x3d/0x2e0 [ 2763.596980][ T4757] ? idr_alloc+0x2f0/0x2f0 [ 2763.601237][ T4757] __kernfs_new_node+0xdb/0x700 [ 2763.605923][ T4757] ? kernfs_new_node+0x170/0x170 [ 2763.610699][ T4757] ? __kasan_check_write+0x14/0x20 [ 2763.615642][ T4757] ? mutex_lock+0xa5/0x110 [ 2763.619895][ T4757] ? mutex_trylock+0xa0/0xa0 [ 2763.624323][ T4757] kernfs_new_node+0x97/0x170 [ 2763.628832][ T4757] __kernfs_create_file+0x4a/0x270 [ 2763.633788][ T4757] sysfs_add_file_mode_ns+0x273/0x320 [ 2763.638992][ T4757] internal_create_group+0x573/0xf00 [ 2763.644116][ T4757] ? sysfs_create_group+0x30/0x30 [ 2763.648973][ T4757] ? kernfs_put+0x4e5/0x520 [ 2763.653312][ T4757] ? sysfs_create_group+0x30/0x30 [ 2763.658168][ T4757] ? kernfs_create_link+0x1a3/0x210 [ 2763.663217][ T4757] sysfs_create_group+0x1f/0x30 [ 2763.667981][ T4757] dpm_sysfs_add+0x72/0x2b0 [ 2763.672233][ T4757] device_add+0x520/0xbc0 [ 2763.676409][ T4757] device_create+0x259/0x2e0 [ 2763.680980][ T4757] ? root_device_unregister+0x80/0x80 [ 2763.686195][ T4757] ? memset+0x35/0x40 [ 2763.690085][ T4757] ? number+0xb5a/0xf80 [ 2763.694075][ T4757] bdi_register_va+0x93/0x610 [ 2763.698588][ T4757] bdi_register+0xd1/0x120 [ 2763.702838][ T4757] ? vsnprintf+0x1e1/0x1c70 [ 2763.707177][ T4757] ? __device_add_disk+0x552/0x11a0 [ 2763.712215][ T4757] ? bdi_register_va+0x610/0x610 [ 2763.716988][ T4757] ? __kasan_check_read+0x11/0x20 [ 2763.721847][ T4757] ? blk_alloc_devt+0xd7/0x330 [ 2763.726446][ T4757] __device_add_disk+0x5de/0x11a0 [ 2763.731309][ T4757] ? device_add_disk+0x40/0x40 [ 2763.735909][ T4757] ? vsprintf+0x40/0x40 [ 2763.739903][ T4757] ? device_initialize+0x1e1/0x420 [ 2763.744857][ T4757] device_add_disk+0x2a/0x40 [ 2763.749277][ T4757] loop_add+0x580/0x750 [ 2763.753265][ T4757] loop_control_ioctl+0x448/0x620 [ 2763.758127][ T4757] ? loop_remove+0xb0/0xb0 [ 2763.762381][ T4757] ? __fget_files+0x31e/0x380 [ 2763.766903][ T4757] ? security_file_ioctl+0x84/0xb0 [ 2763.771870][ T4757] ? loop_remove+0xb0/0xb0 [ 2763.776100][ T4757] __se_sys_ioctl+0x114/0x190 [ 2763.780617][ T4757] __x64_sys_ioctl+0x7b/0x90 [ 2763.785032][ T4757] do_syscall_64+0x34/0x70 [ 2763.789290][ T4757] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2763.795019][ T4757] RIP: 0033:0x7f21011fbba9 [ 2763.799273][ T4757] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2763.818709][ T4757] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:31 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)) [ 2763.827069][ T4757] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2763.834852][ T4757] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2763.842691][ T4757] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2763.850609][ T4757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2763.858486][ T4757] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2763.870623][ T4757] ------------[ cut here ]------------ [ 2763.875988][ T4757] WARNING: CPU: 1 PID: 4757 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2763.885416][ T4757] Modules linked in: [ 2763.889311][ T4757] CPU: 0 PID: 4757 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2763.900911][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2763.911167][ T4757] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2763.917036][ T4757] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2763.936836][ T4757] RSP: 0018:ffffc90009ba7be0 EFLAGS: 00010287 [ 2763.942743][ T4757] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2763.950787][ T4757] RDX: ffffc90003b20000 RSI: 000000000000c343 RDI: 000000000000c344 [ 2763.958809][ T4757] RBP: ffffc90009ba7d30 R08: ffffffff82471949 R09: ffffc90009ba7630 [ 2763.966607][ T4757] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff888114fe6068 [ 2763.974383][ T4757] R13: ffff888114fe6000 R14: ffff888114fe6348 R15: ffff888114fe1000 [ 2763.982232][ T4757] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2763.990970][ T4757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2763.997398][ T4757] CR2: 00007f461758bd58 CR3: 00000001168bd000 CR4: 00000000003506b0 [ 2764.005190][ T4757] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2764.013037][ T4757] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2764.020835][ T4757] Call Trace: [ 2764.023929][ T4757] ? show_regs+0x58/0x60 [ 2764.028068][ T4757] ? __warn+0x160/0x2f0 [ 2764.032018][ T4757] ? __device_add_disk+0xe1e/0x11a0 [ 2764.037079][ T4757] ? report_bug+0x3d9/0x5b0 [ 2764.041702][ T4757] ? __device_add_disk+0xe1e/0x11a0 [ 2764.046829][ T4757] ? handle_bug+0x41/0x70 [ 2764.051008][ T4757] ? exc_invalid_op+0x1b/0x50 [ 2764.055513][ T4757] ? asm_exc_invalid_op+0x12/0x20 [ 2764.060686][ T4757] ? __device_add_disk+0x5e9/0x11a0 [ 2764.065734][ T4757] ? __device_add_disk+0xe1e/0x11a0 [ 2764.070945][ T4757] ? __device_add_disk+0xe1e/0x11a0 [ 2764.076003][ T4757] ? device_add_disk+0x40/0x40 [ 2764.080920][ T4757] ? vsprintf+0x40/0x40 [ 2764.084950][ T4757] ? device_initialize+0x1e1/0x420 [ 2764.090140][ T4757] device_add_disk+0x2a/0x40 [ 2764.094629][ T4757] loop_add+0x580/0x750 [ 2764.098649][ T4757] loop_control_ioctl+0x448/0x620 [ 2764.103432][ T4757] ? loop_remove+0xb0/0xb0 [ 2764.108194][ T4757] ? __fget_files+0x31e/0x380 [ 2764.112799][ T4757] ? security_file_ioctl+0x84/0xb0 [ 2764.117805][ T4757] ? loop_remove+0xb0/0xb0 [ 2764.122009][ T4757] __se_sys_ioctl+0x114/0x190 [ 2764.126722][ T4757] __x64_sys_ioctl+0x7b/0x90 [ 2764.131122][ T4757] do_syscall_64+0x34/0x70 [ 2764.135370][ T4757] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2764.141245][ T4757] RIP: 0033:0x7f21011fbba9 [ 2764.145438][ T4757] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2764.164922][ T4757] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:32 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)) openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)) (async) 00:51:32 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 54) [ 2764.173150][ T4757] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2764.180967][ T4757] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2764.188765][ T4757] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2764.196585][ T4757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2764.204491][ T4757] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2764.212429][ T4757] ---[ end trace e38559e1ffcc9c73 ]--- 00:51:32 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2603}, 0x0) 00:51:32 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, 0x0, 0x0) 00:51:32 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) 00:51:32 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2764.238817][ T4776] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2764.258201][T29091] udevd[29091]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2764.280406][ T4780] FAULT_INJECTION: forcing a failure. 00:51:32 executing program 1: r0 = openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)) openat$random(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000040)) (async) [ 2764.280406][ T4780] name failslab, interval 1, probability 0, space 0, times 0 [ 2764.297289][ T4780] CPU: 1 PID: 4780 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2764.308751][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2764.318987][ T4780] Call Trace: [ 2764.322255][ T4780] dump_stack_lvl+0x1e2/0x24b [ 2764.326913][ T4780] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2764.332193][ T4780] ? selinux_kernfs_init_security+0x14a/0x720 [ 2764.338100][ T4780] ? idr_alloc_cyclic+0x369/0x5d0 [ 2764.342951][ T4780] dump_stack+0x15/0x17 [ 2764.346944][ T4780] should_fail+0x3c6/0x510 [ 2764.351213][ T4780] ? __kernfs_new_node+0xdb/0x700 [ 2764.356058][ T4780] __should_failslab+0xa4/0xe0 [ 2764.360662][ T4780] should_failslab+0x9/0x20 [ 2764.364997][ T4780] kmem_cache_alloc+0x3d/0x2e0 [ 2764.369689][ T4780] __kernfs_new_node+0xdb/0x700 [ 2764.374379][ T4780] ? __kasan_check_write+0x14/0x20 [ 2764.379333][ T4780] ? mutex_lock+0xa5/0x110 [ 2764.383592][ T4780] ? kernfs_new_node+0x170/0x170 [ 2764.388741][ T4780] ? __kasan_check_write+0x14/0x20 [ 2764.393689][ T4780] ? mutex_unlock+0x1c/0x40 [ 2764.398030][ T4780] ? kernfs_activate+0x31a/0x330 [ 2764.402809][ T4780] kernfs_new_node+0x97/0x170 [ 2764.407311][ T4780] __kernfs_create_file+0x4a/0x270 [ 2764.412258][ T4780] sysfs_add_file_mode_ns+0x273/0x320 [ 2764.417574][ T4780] internal_create_group+0x573/0xf00 [ 2764.422705][ T4780] ? kernfs_activate+0x31a/0x330 [ 2764.427458][ T4780] ? sysfs_create_group+0x30/0x30 [ 2764.432390][ T4780] ? kernfs_put+0x4e5/0x520 [ 2764.436730][ T4780] ? kernfs_create_link+0x1a3/0x210 [ 2764.441801][ T4780] sysfs_create_groups+0x5b/0x130 [ 2764.446638][ T4780] device_add_attrs+0x8b/0x3e0 [ 2764.451360][ T4780] ? device_add_class_symlinks+0x27c/0x2a0 [ 2764.457110][ T4780] device_add+0x4da/0xbc0 [ 2764.461263][ T4780] device_create+0x259/0x2e0 [ 2764.465689][ T4780] ? root_device_unregister+0x80/0x80 [ 2764.470897][ T4780] ? memset+0x35/0x40 [ 2764.474713][ T4780] ? number+0xb5a/0xf80 [ 2764.478710][ T4780] bdi_register_va+0x93/0x610 [ 2764.483223][ T4780] bdi_register+0xd1/0x120 [ 2764.487466][ T4780] ? vsnprintf+0x1e1/0x1c70 [ 2764.491809][ T4780] ? __device_add_disk+0x552/0x11a0 [ 2764.496842][ T4780] ? bdi_register_va+0x610/0x610 [ 2764.501620][ T4780] ? __kasan_check_read+0x11/0x20 [ 2764.506489][ T4780] ? blk_alloc_devt+0xd7/0x330 [ 2764.511077][ T4780] __device_add_disk+0x5de/0x11a0 [ 2764.515941][ T4780] ? device_add_disk+0x40/0x40 [ 2764.520555][ T4780] ? vsprintf+0x40/0x40 [ 2764.524534][ T4780] ? device_initialize+0x1e1/0x420 [ 2764.529684][ T4780] device_add_disk+0x2a/0x40 [ 2764.534087][ T4780] loop_add+0x580/0x750 [ 2764.538206][ T4780] loop_control_ioctl+0x448/0x620 [ 2764.543056][ T4780] ? loop_remove+0xb0/0xb0 [ 2764.547310][ T4780] ? __fget_files+0x31e/0x380 [ 2764.551823][ T4780] ? security_file_ioctl+0x84/0xb0 [ 2764.556786][ T4780] ? loop_remove+0xb0/0xb0 [ 2764.561034][ T4780] __se_sys_ioctl+0x114/0x190 [ 2764.565540][ T4780] __x64_sys_ioctl+0x7b/0x90 [ 2764.570011][ T4780] do_syscall_64+0x34/0x70 [ 2764.574218][ T4780] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2764.580063][ T4780] RIP: 0033:0x7f21011fbba9 [ 2764.584309][ T4780] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2764.603745][ T4780] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2764.612000][ T4780] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2764.619805][ T4780] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2764.627612][ T4780] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2764.635458][ T4780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2764.643242][ T4780] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2764.651715][ T4780] ------------[ cut here ]------------ [ 2764.657313][ T4780] WARNING: CPU: 0 PID: 4780 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2764.666697][ T4780] Modules linked in: [ 2764.670425][ T4780] CPU: 1 PID: 4780 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2764.682086][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2764.692055][ T4780] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2764.697787][ T4780] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2764.717425][ T4780] RSP: 0018:ffffc90009e3fbe0 EFLAGS: 00010287 [ 2764.723475][ T4780] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2764.731470][ T4780] RDX: ffffc90003b20000 RSI: 000000000000d5f9 RDI: 000000000000d5fa [ 2764.739616][ T4780] RBP: ffffc90009e3fd30 R08: ffffffff82471949 R09: ffffc90009e3f630 [ 2764.747585][ T4780] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88810b7f0068 [ 2764.755443][ T4780] R13: ffff88810b7f0000 R14: ffff88810b7f0348 R15: ffff88810b107000 [ 2764.763252][ T4780] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2764.772068][ T4780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2764.778501][ T4780] CR2: 00007f461758bd58 CR3: 000000012d0f3000 CR4: 00000000003506b0 [ 2764.786402][ T4780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2764.794180][ T4780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2764.802040][ T4780] Call Trace: [ 2764.805239][ T4780] ? show_regs+0x58/0x60 [ 2764.809351][ T4780] ? __warn+0x160/0x2f0 [ 2764.813405][ T4780] ? __device_add_disk+0xe1e/0x11a0 [ 2764.818490][ T4780] ? report_bug+0x3d9/0x5b0 [ 2764.822933][ T4780] ? __device_add_disk+0xe1e/0x11a0 [ 2764.828219][ T4780] ? handle_bug+0x41/0x70 [ 2764.832457][ T4780] ? exc_invalid_op+0x1b/0x50 [ 2764.837217][ T4780] ? asm_exc_invalid_op+0x12/0x20 [ 2764.842132][ T4780] ? __device_add_disk+0x5e9/0x11a0 [ 2764.847176][ T4780] ? __device_add_disk+0xe1e/0x11a0 [ 2764.852363][ T4780] ? __device_add_disk+0xe1e/0x11a0 [ 2764.858002][ T4780] ? device_add_disk+0x40/0x40 [ 2764.862733][ T4780] ? vsprintf+0x40/0x40 [ 2764.866911][ T4780] ? device_initialize+0x1e1/0x420 [ 2764.871986][ T4780] device_add_disk+0x2a/0x40 [ 2764.876659][ T4780] loop_add+0x580/0x750 [ 2764.880701][ T4780] loop_control_ioctl+0x448/0x620 [ 2764.885552][ T4780] ? loop_remove+0xb0/0xb0 [ 2764.889959][ T4780] ? __fget_files+0x31e/0x380 [ 2764.894589][ T4780] ? security_file_ioctl+0x84/0xb0 [ 2764.899640][ T4780] ? loop_remove+0xb0/0xb0 [ 2764.903946][ T4780] __se_sys_ioctl+0x114/0x190 [ 2764.908655][ T4780] __x64_sys_ioctl+0x7b/0x90 [ 2764.913165][ T4780] do_syscall_64+0x34/0x70 [ 2764.917546][ T4780] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2764.923330][ T4780] RIP: 0033:0x7f21011fbba9 [ 2764.927595][ T4780] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2764.947251][ T4780] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2764.955544][ T4780] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2764.963527][ T4780] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2764.971485][ T4780] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2764.979547][ T4780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:33 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 55) 00:51:33 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x80002, 0x0) 00:51:33 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2700}, 0x0) [ 2764.987584][ T4780] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2764.995508][ T4780] ---[ end trace e38559e1ffcc9c74 ]--- [ 2765.010872][ T4795] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:33 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x80002, 0x0) openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x80002, 0x0) (async) 00:51:33 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) r8 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r8) 00:51:33 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:33 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, 0x0, 0x0) [ 2765.048098][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2765.073321][ T4801] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:33 executing program 1: openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x80002, 0x0) 00:51:33 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2701}, 0x0) [ 2765.098797][ T4807] FAULT_INJECTION: forcing a failure. [ 2765.098797][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 2765.113257][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2765.124710][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2765.134608][ T4807] Call Trace: [ 2765.137731][ T4807] dump_stack_lvl+0x1e2/0x24b [ 2765.142244][ T4807] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2765.147547][ T4807] ? selinux_kernfs_init_security+0x14a/0x720 [ 2765.153438][ T4807] ? idr_alloc_cyclic+0x369/0x5d0 [ 2765.158298][ T4807] dump_stack+0x15/0x17 [ 2765.162286][ T4807] should_fail+0x3c6/0x510 [ 2765.166554][ T4807] ? __kernfs_new_node+0xdb/0x700 [ 2765.171403][ T4807] __should_failslab+0xa4/0xe0 [ 2765.176006][ T4807] should_failslab+0x9/0x20 [ 2765.180343][ T4807] kmem_cache_alloc+0x3d/0x2e0 [ 2765.184941][ T4807] __kernfs_new_node+0xdb/0x700 [ 2765.189628][ T4807] ? __kasan_check_write+0x14/0x20 [ 2765.194591][ T4807] ? mutex_lock+0xa5/0x110 [ 2765.198832][ T4807] ? kernfs_new_node+0x170/0x170 [ 2765.203604][ T4807] ? __kasan_check_write+0x14/0x20 [ 2765.208548][ T4807] ? mutex_unlock+0x1c/0x40 [ 2765.212899][ T4807] ? kernfs_activate+0x31a/0x330 [ 2765.217681][ T4807] kernfs_new_node+0x97/0x170 [ 2765.222176][ T4807] __kernfs_create_file+0x4a/0x270 [ 2765.227251][ T4807] sysfs_add_file_mode_ns+0x273/0x320 [ 2765.232417][ T4807] internal_create_group+0x573/0xf00 [ 2765.237625][ T4807] ? sysfs_create_group+0x30/0x30 [ 2765.242486][ T4807] ? kernfs_put+0x4e5/0x520 [ 2765.246823][ T4807] ? sysfs_create_group+0x30/0x30 [ 2765.251685][ T4807] ? kernfs_create_link+0x1a3/0x210 [ 2765.256720][ T4807] sysfs_create_group+0x1f/0x30 [ 2765.261406][ T4807] dpm_sysfs_add+0x72/0x2b0 [ 2765.265748][ T4807] device_add+0x520/0xbc0 [ 2765.269909][ T4807] device_create+0x259/0x2e0 [ 2765.274340][ T4807] ? root_device_unregister+0x80/0x80 [ 2765.279572][ T4807] ? memset+0x35/0x40 [ 2765.283394][ T4807] ? number+0xb5a/0xf80 [ 2765.287357][ T4807] bdi_register_va+0x93/0x610 [ 2765.291877][ T4807] bdi_register+0xd1/0x120 [ 2765.296120][ T4807] ? vsnprintf+0x1e1/0x1c70 [ 2765.300464][ T4807] ? __device_add_disk+0x552/0x11a0 [ 2765.305493][ T4807] ? bdi_register_va+0x610/0x610 [ 2765.310269][ T4807] ? __kasan_check_read+0x11/0x20 [ 2765.315127][ T4807] ? blk_alloc_devt+0xd7/0x330 [ 2765.319725][ T4807] __device_add_disk+0x5de/0x11a0 [ 2765.324593][ T4807] ? device_add_disk+0x40/0x40 [ 2765.329189][ T4807] ? vsprintf+0x40/0x40 [ 2765.333181][ T4807] ? device_initialize+0x1e1/0x420 [ 2765.338134][ T4807] device_add_disk+0x2a/0x40 [ 2765.342560][ T4807] loop_add+0x580/0x750 [ 2765.346545][ T4807] loop_control_ioctl+0x448/0x620 [ 2765.351406][ T4807] ? loop_remove+0xb0/0xb0 [ 2765.355658][ T4807] ? __fget_files+0x31e/0x380 [ 2765.360175][ T4807] ? security_file_ioctl+0x84/0xb0 [ 2765.365130][ T4807] ? loop_remove+0xb0/0xb0 [ 2765.369376][ T4807] __se_sys_ioctl+0x114/0x190 [ 2765.373888][ T4807] __x64_sys_ioctl+0x7b/0x90 [ 2765.378314][ T4807] do_syscall_64+0x34/0x70 [ 2765.382573][ T4807] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2765.388291][ T4807] RIP: 0033:0x7f21011fbba9 [ 2765.392555][ T4807] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2765.411988][ T4807] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2765.420244][ T4807] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2765.428041][ T4807] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2765.435854][ T4807] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:33 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={0x0, 0x1, 0x6, @local}, 0x10) [ 2765.443840][ T4807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2765.451649][ T4807] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2765.460742][ T4807] ------------[ cut here ]------------ [ 2765.466376][ T4807] WARNING: CPU: 0 PID: 4807 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2765.476134][ T4807] Modules linked in: [ 2765.479877][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2765.491555][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2765.501618][ T4807] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2765.507406][ T4807] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2765.527026][ T4807] RSP: 0018:ffffc90009ff7be0 EFLAGS: 00010287 [ 2765.532887][ T4807] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2765.540710][ T4807] RDX: ffffc90003b20000 RSI: 000000000000c7ae RDI: 000000000000c7af [ 2765.548539][ T4807] RBP: ffffc90009ff7d30 R08: ffffffff82471949 R09: ffffc90009ff7630 [ 2765.556473][ T4807] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812ac87068 [ 2765.564328][ T4807] R13: ffff88812ac87000 R14: ffff88812ac87348 R15: ffff88812b262000 [ 2765.572607][ T4807] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2765.581444][ T4807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2765.587872][ T4807] CR2: 00007fff28e3ccb8 CR3: 000000010fc30000 CR4: 00000000003506a0 [ 2765.595662][ T4807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2765.603507][ T4807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2765.611287][ T4807] Call Trace: [ 2765.614525][ T4807] ? show_regs+0x58/0x60 [ 2765.618609][ T4807] ? __warn+0x160/0x2f0 [ 2765.622572][ T4807] ? __device_add_disk+0xe1e/0x11a0 [ 2765.627625][ T4807] ? report_bug+0x3d9/0x5b0 [ 2765.632028][ T4807] ? __device_add_disk+0xe1e/0x11a0 [ 2765.637087][ T4807] ? handle_bug+0x41/0x70 [ 2765.641229][ T4807] ? exc_invalid_op+0x1b/0x50 [ 2765.645730][ T4807] ? asm_exc_invalid_op+0x12/0x20 [ 2765.650647][ T4807] ? __device_add_disk+0x5e9/0x11a0 [ 2765.655741][ T4807] ? __device_add_disk+0xe1e/0x11a0 [ 2765.660823][ T4807] ? __device_add_disk+0xe1e/0x11a0 [ 2765.665918][ T4807] ? device_add_disk+0x40/0x40 [ 2765.670639][ T4807] ? vsprintf+0x40/0x40 [ 2765.674690][ T4807] ? device_initialize+0x1e1/0x420 [ 2765.679675][ T4807] device_add_disk+0x2a/0x40 [ 2765.684055][ T4807] loop_add+0x580/0x750 [ 2765.688077][ T4807] loop_control_ioctl+0x448/0x620 [ 2765.692915][ T4807] ? loop_remove+0xb0/0xb0 [ 2765.697194][ T4807] ? __fget_files+0x31e/0x380 [ 2765.701693][ T4807] ? security_file_ioctl+0x84/0xb0 [ 2765.706776][ T4807] ? loop_remove+0xb0/0xb0 [ 2765.711061][ T4807] __se_sys_ioctl+0x114/0x190 [ 2765.715575][ T4807] __x64_sys_ioctl+0x7b/0x90 [ 2765.720029][ T4807] do_syscall_64+0x34/0x70 [ 2765.724240][ T4807] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2765.729978][ T4807] RIP: 0033:0x7f21011fbba9 [ 2765.734189][ T4807] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2765.753895][ T4807] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2765.762114][ T4807] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2765.769930][ T4807] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2765.777743][ T4807] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2765.785511][ T4807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2765.793371][ T4807] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:33 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 56) 00:51:33 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2765.801164][ T4807] ---[ end trace e38559e1ffcc9c75 ]--- 00:51:33 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:33 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r4, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r6) 00:51:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2702}, 0x0) [ 2765.860755][ T4820] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2765.874249][ T4822] FAULT_INJECTION: forcing a failure. [ 2765.874249][ T4822] name failslab, interval 1, probability 0, space 0, times 0 [ 2765.891840][ T4822] CPU: 0 PID: 4822 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2765.903295][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2765.913359][ T4822] Call Trace: [ 2765.916494][ T4822] dump_stack_lvl+0x1e2/0x24b [ 2765.921003][ T4822] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2765.926298][ T4822] ? selinux_kernfs_init_security+0x14a/0x720 [ 2765.932197][ T4822] ? idr_alloc_cyclic+0x369/0x5d0 [ 2765.937059][ T4822] dump_stack+0x15/0x17 [ 2765.941094][ T4822] should_fail+0x3c6/0x510 [ 2765.945310][ T4822] ? __kernfs_new_node+0xdb/0x700 [ 2765.950338][ T4822] __should_failslab+0xa4/0xe0 [ 2765.955069][ T4822] should_failslab+0x9/0x20 [ 2765.959500][ T4822] kmem_cache_alloc+0x3d/0x2e0 [ 2765.964094][ T4822] __kernfs_new_node+0xdb/0x700 [ 2765.968789][ T4822] ? __kasan_check_write+0x14/0x20 [ 2765.973817][ T4822] ? mutex_lock+0xa5/0x110 [ 2765.978068][ T4822] ? kernfs_new_node+0x170/0x170 [ 2765.982840][ T4822] ? __kasan_check_write+0x14/0x20 [ 2765.987788][ T4822] ? mutex_unlock+0x1c/0x40 [ 2765.992130][ T4822] ? kernfs_activate+0x31a/0x330 [ 2765.997027][ T4822] kernfs_new_node+0x97/0x170 [ 2766.001616][ T4822] __kernfs_create_file+0x4a/0x270 [ 2766.006651][ T4822] sysfs_add_file_mode_ns+0x273/0x320 [ 2766.011856][ T4822] internal_create_group+0x573/0xf00 [ 2766.016985][ T4822] ? sysfs_create_group+0x30/0x30 [ 2766.021840][ T4822] ? kernfs_put+0x4e5/0x520 [ 2766.026177][ T4822] ? sysfs_create_group+0x30/0x30 [ 2766.031049][ T4822] ? kernfs_create_link+0x1a3/0x210 [ 2766.036076][ T4822] sysfs_create_group+0x1f/0x30 [ 2766.040761][ T4822] dpm_sysfs_add+0x72/0x2b0 [ 2766.045101][ T4822] device_add+0x520/0xbc0 [ 2766.049266][ T4822] device_create+0x259/0x2e0 [ 2766.053693][ T4822] ? root_device_unregister+0x80/0x80 [ 2766.058896][ T4822] ? memset+0x35/0x40 [ 2766.062741][ T4822] ? number+0xb5a/0xf80 [ 2766.066712][ T4822] bdi_register_va+0x93/0x610 [ 2766.071224][ T4822] bdi_register+0xd1/0x120 [ 2766.075474][ T4822] ? vsnprintf+0x1e1/0x1c70 [ 2766.079815][ T4822] ? __device_add_disk+0x552/0x11a0 [ 2766.084848][ T4822] ? bdi_register_va+0x610/0x610 [ 2766.089622][ T4822] ? __kasan_check_read+0x11/0x20 [ 2766.094491][ T4822] ? blk_alloc_devt+0xd7/0x330 [ 2766.099081][ T4822] __device_add_disk+0x5de/0x11a0 [ 2766.103944][ T4822] ? device_add_disk+0x40/0x40 [ 2766.108545][ T4822] ? vsprintf+0x40/0x40 [ 2766.112539][ T4822] ? device_initialize+0x1e1/0x420 [ 2766.117589][ T4822] device_add_disk+0x2a/0x40 [ 2766.122086][ T4822] loop_add+0x580/0x750 [ 2766.126178][ T4822] loop_control_ioctl+0x448/0x620 [ 2766.131020][ T4822] ? loop_remove+0xb0/0xb0 [ 2766.135292][ T4822] ? __fget_files+0x31e/0x380 [ 2766.139920][ T4822] ? security_file_ioctl+0x84/0xb0 [ 2766.144842][ T4822] ? loop_remove+0xb0/0xb0 [ 2766.149089][ T4822] __se_sys_ioctl+0x114/0x190 [ 2766.153689][ T4822] __x64_sys_ioctl+0x7b/0x90 [ 2766.158123][ T4822] do_syscall_64+0x34/0x70 [ 2766.162365][ T4822] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2766.168103][ T4822] RIP: 0033:0x7f21011fbba9 [ 2766.172348][ T4822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2766.191786][ T4822] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2766.200029][ T4822] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2766.207838][ T4822] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2766.215649][ T4822] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2766.223465][ T4822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2766.231275][ T4822] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2766.240610][ T4822] ------------[ cut here ]------------ [ 2766.248299][ T4822] WARNING: CPU: 1 PID: 4822 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2766.257489][ T4822] Modules linked in: [ 2766.261355][ T4822] CPU: 1 PID: 4822 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2766.273261][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2766.283420][ T4822] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2766.289248][ T4822] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2766.308914][ T4822] RSP: 0018:ffffc9000a107be0 EFLAGS: 00010283 [ 2766.314881][ T4822] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2766.322923][ T4822] RDX: ffffc90003b20000 RSI: 000000000000c8db RDI: 000000000000c8dc [ 2766.330806][ T4822] RBP: ffffc9000a107d30 R08: ffffffff82471949 R09: ffffc9000a107630 [ 2766.338738][ T4822] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff8881149e9068 [ 2766.346807][ T4822] R13: ffff8881149e9000 R14: ffff8881149e9348 R15: ffff8881149ef000 [ 2766.355076][ T4822] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2766.364189][ T4822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2766.370767][ T4822] CR2: 00007f56351ddd58 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 2766.378768][ T4822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2766.386731][ T4822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2766.394566][ T4822] Call Trace: [ 2766.397724][ T4822] ? show_regs+0x58/0x60 [ 2766.401854][ T4822] ? __warn+0x160/0x2f0 [ 2766.406024][ T4822] ? __device_add_disk+0xe1e/0x11a0 [ 2766.411161][ T4822] ? report_bug+0x3d9/0x5b0 [ 2766.415775][ T4822] ? __device_add_disk+0xe1e/0x11a0 [ 2766.420976][ T4822] ? handle_bug+0x41/0x70 [ 2766.425243][ T4822] ? exc_invalid_op+0x1b/0x50 [ 2766.429792][ T4822] ? asm_exc_invalid_op+0x12/0x20 [ 2766.434953][ T4822] ? __device_add_disk+0x5e9/0x11a0 [ 2766.440308][ T4822] ? __device_add_disk+0xe1e/0x11a0 [ 2766.445573][ T4822] ? __device_add_disk+0xe1e/0x11a0 [ 2766.450743][ T4822] ? device_add_disk+0x40/0x40 [ 2766.455448][ T4822] ? vsprintf+0x40/0x40 [ 2766.459472][ T4822] ? device_initialize+0x1e1/0x420 [ 2766.464514][ T4822] device_add_disk+0x2a/0x40 [ 2766.468991][ T4822] loop_add+0x580/0x750 [ 2766.473088][ T4822] loop_control_ioctl+0x448/0x620 [ 2766.478174][ T4822] ? loop_remove+0xb0/0xb0 [ 2766.482545][ T4822] ? __fget_files+0x31e/0x380 [ 2766.487203][ T4822] ? security_file_ioctl+0x84/0xb0 [ 2766.492427][ T4822] ? loop_remove+0xb0/0xb0 [ 2766.496823][ T4822] __se_sys_ioctl+0x114/0x190 [ 2766.501425][ T4822] __x64_sys_ioctl+0x7b/0x90 [ 2766.505838][ T4822] do_syscall_64+0x34/0x70 [ 2766.510157][ T4822] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2766.515970][ T4822] RIP: 0033:0x7f21011fbba9 [ 2766.520347][ T4822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2766.540021][ T4822] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2766.548553][ T4822] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:34 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 57) [ 2766.556545][ T4822] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2766.564623][ T4822] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2766.572491][ T4822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2766.580459][ T4822] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2766.588501][ T4822] ---[ end trace e38559e1ffcc9c76 ]--- 00:51:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2703}, 0x0) 00:51:34 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) 00:51:34 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:34 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={0x0, 0x1, 0x6, @local}, 0x10) [ 2766.648125][T29091] udevd[29091]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2766.652479][ T4833] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2766.680615][ T4838] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:34 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2800}, 0x0) [ 2766.697648][ T4840] FAULT_INJECTION: forcing a failure. [ 2766.697648][ T4840] name failslab, interval 1, probability 0, space 0, times 0 [ 2766.711180][ T4840] CPU: 1 PID: 4840 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2766.722786][ T4840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2766.732646][ T4840] Call Trace: [ 2766.735781][ T4840] dump_stack_lvl+0x1e2/0x24b [ 2766.740299][ T4840] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2766.745592][ T4840] ? selinux_kernfs_init_security+0x14a/0x720 [ 2766.751495][ T4840] ? idr_alloc_cyclic+0x369/0x5d0 [ 2766.756347][ T4840] dump_stack+0x15/0x17 [ 2766.760345][ T4840] should_fail+0x3c6/0x510 [ 2766.764589][ T4840] ? __kernfs_new_node+0xdb/0x700 [ 2766.769452][ T4840] __should_failslab+0xa4/0xe0 [ 2766.774052][ T4840] should_failslab+0x9/0x20 [ 2766.778389][ T4840] kmem_cache_alloc+0x3d/0x2e0 [ 2766.782990][ T4840] __kernfs_new_node+0xdb/0x700 [ 2766.787681][ T4840] ? __kasan_check_write+0x14/0x20 [ 2766.792629][ T4840] ? mutex_lock+0xa5/0x110 [ 2766.796891][ T4840] ? kernfs_new_node+0x170/0x170 [ 2766.801651][ T4840] ? __kasan_check_write+0x14/0x20 [ 2766.806601][ T4840] ? mutex_unlock+0x1c/0x40 [ 2766.810948][ T4840] ? kernfs_activate+0x31a/0x330 [ 2766.815716][ T4840] kernfs_new_node+0x97/0x170 [ 2766.820235][ T4840] __kernfs_create_file+0x4a/0x270 [ 2766.825538][ T4840] sysfs_add_file_mode_ns+0x273/0x320 [ 2766.830803][ T4840] internal_create_group+0x573/0xf00 [ 2766.835911][ T4840] ? sysfs_create_group+0x30/0x30 [ 2766.840771][ T4840] ? kernfs_put+0x4e5/0x520 [ 2766.845198][ T4840] ? sysfs_create_group+0x30/0x30 [ 2766.850057][ T4840] ? kernfs_create_link+0x1a3/0x210 [ 2766.855097][ T4840] sysfs_create_group+0x1f/0x30 [ 2766.859779][ T4840] dpm_sysfs_add+0x72/0x2b0 [ 2766.864122][ T4840] device_add+0x520/0xbc0 [ 2766.868289][ T4840] device_create+0x259/0x2e0 [ 2766.872715][ T4840] ? root_device_unregister+0x80/0x80 [ 2766.877918][ T4840] ? memset+0x35/0x40 [ 2766.881732][ T4840] ? number+0xb5a/0xf80 [ 2766.885729][ T4840] bdi_register_va+0x93/0x610 [ 2766.890245][ T4840] bdi_register+0xd1/0x120 [ 2766.894497][ T4840] ? vsnprintf+0x1e1/0x1c70 [ 2766.898835][ T4840] ? __device_add_disk+0x552/0x11a0 [ 2766.903872][ T4840] ? bdi_register_va+0x610/0x610 [ 2766.908646][ T4840] ? __kasan_check_read+0x11/0x20 [ 2766.913506][ T4840] ? blk_alloc_devt+0xd7/0x330 [ 2766.918104][ T4840] __device_add_disk+0x5de/0x11a0 [ 2766.922963][ T4840] ? device_add_disk+0x40/0x40 [ 2766.927562][ T4840] ? vsprintf+0x40/0x40 [ 2766.931593][ T4840] ? device_initialize+0x1e1/0x420 [ 2766.936504][ T4840] device_add_disk+0x2a/0x40 [ 2766.940940][ T4840] loop_add+0x580/0x750 [ 2766.944921][ T4840] loop_control_ioctl+0x448/0x620 [ 2766.949806][ T4840] ? loop_remove+0xb0/0xb0 [ 2766.954034][ T4840] ? __fget_files+0x31e/0x380 [ 2766.958562][ T4840] ? security_file_ioctl+0x84/0xb0 [ 2766.963513][ T4840] ? loop_remove+0xb0/0xb0 [ 2766.967761][ T4840] __se_sys_ioctl+0x114/0x190 [ 2766.972341][ T4840] __x64_sys_ioctl+0x7b/0x90 [ 2766.976786][ T4840] do_syscall_64+0x34/0x70 [ 2766.981038][ T4840] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2766.986871][ T4840] RIP: 0033:0x7f21011fbba9 [ 2766.991204][ T4840] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2767.010632][ T4840] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2767.018871][ T4840] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2767.026713][ T4840] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2767.034670][ T4840] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2767.042479][ T4840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2767.050292][ T4840] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2767.059002][ T4840] ------------[ cut here ]------------ [ 2767.064479][ T4840] WARNING: CPU: 0 PID: 4840 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2767.073455][ T4840] Modules linked in: [ 2767.077250][ T4840] CPU: 0 PID: 4840 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2767.088763][ T4840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2767.098833][ T4840] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2767.104387][ T4840] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2767.124115][ T4840] RSP: 0018:ffffc9000a0a7be0 EFLAGS: 00010283 [ 2767.129952][ T4840] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2767.137883][ T4840] RDX: ffffc90003b20000 RSI: 000000000000c842 RDI: 000000000000c843 [ 2767.145773][ T4840] RBP: ffffc9000a0a7d30 R08: ffffffff82471949 R09: ffffc9000a0a7630 [ 2767.153737][ T4840] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812f4d7068 [ 2767.161655][ T4840] R13: ffff88812f4d7000 R14: ffff88812f4d7348 R15: ffff88812f4d5000 [ 2767.169569][ T4840] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2767.178511][ T4840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2767.184820][ T4840] CR2: 0000555555aa7818 CR3: 000000010f5e1000 CR4: 00000000003506b0 [ 2767.192684][ T4840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2767.200655][ T4840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2767.208495][ T4840] Call Trace: [ 2767.211587][ T4840] ? show_regs+0x58/0x60 [ 2767.215630][ T4840] ? __warn+0x160/0x2f0 [ 2767.219663][ T4840] ? __device_add_disk+0xe1e/0x11a0 [ 2767.224678][ T4840] ? report_bug+0x3d9/0x5b0 [ 2767.229169][ T4840] ? __device_add_disk+0xe1e/0x11a0 [ 2767.234233][ T4840] ? handle_bug+0x41/0x70 [ 2767.238429][ T4840] ? exc_invalid_op+0x1b/0x50 [ 2767.242895][ T4840] ? asm_exc_invalid_op+0x12/0x20 [ 2767.247805][ T4840] ? __device_add_disk+0x5e9/0x11a0 [ 2767.253033][ T4840] ? __device_add_disk+0xe1e/0x11a0 [ 2767.258114][ T4840] ? __device_add_disk+0xe1e/0x11a0 [ 2767.263208][ T4840] ? device_add_disk+0x40/0x40 [ 2767.267831][ T4840] ? vsprintf+0x40/0x40 [ 2767.271767][ T4840] ? device_initialize+0x1e1/0x420 [ 2767.276863][ T4840] device_add_disk+0x2a/0x40 [ 2767.281244][ T4840] loop_add+0x580/0x750 [ 2767.285235][ T4840] loop_control_ioctl+0x448/0x620 [ 2767.290134][ T4840] ? loop_remove+0xb0/0xb0 [ 2767.294354][ T4840] ? __fget_files+0x31e/0x380 [ 2767.298903][ T4840] ? security_file_ioctl+0x84/0xb0 [ 2767.303813][ T4840] ? loop_remove+0xb0/0xb0 [ 2767.308356][ T4840] __se_sys_ioctl+0x114/0x190 [ 2767.313161][ T4840] __x64_sys_ioctl+0x7b/0x90 [ 2767.317859][ T4840] do_syscall_64+0x34/0x70 [ 2767.322182][ T4840] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2767.327874][ T4840] RIP: 0033:0x7f21011fbba9 [ 2767.332095][ T4840] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2767.351859][ T4840] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2767.360150][ T4840] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2767.368144][ T4840] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2767.376781][ T4840] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2767.385265][ T4840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2767.393203][ T4840] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:35 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 58) [ 2767.401005][ T4840] ---[ end trace e38559e1ffcc9c77 ]--- 00:51:35 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r7 = ioctl$LOOP_CTL_ADD(r6, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r7) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={0x0, 0x1, 0x6, @local}, 0x10) 00:51:35 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) 00:51:35 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:35 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2801}, 0x0) 00:51:35 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:35 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) [ 2767.480006][ T4853] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2767.511495][ T4863] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:35 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2802}, 0x0) [ 2767.525548][ T4861] FAULT_INJECTION: forcing a failure. [ 2767.525548][ T4861] name failslab, interval 1, probability 0, space 0, times 0 [ 2767.538301][ T4861] CPU: 0 PID: 4861 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2767.549751][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2767.559631][ T4861] Call Trace: [ 2767.562763][ T4861] dump_stack_lvl+0x1e2/0x24b [ 2767.567278][ T4861] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2767.572577][ T4861] ? idr_alloc+0x2f0/0x2f0 [ 2767.576948][ T4861] dump_stack+0x15/0x17 [ 2767.580929][ T4861] should_fail+0x3c6/0x510 [ 2767.585205][ T4861] ? __kernfs_new_node+0xdb/0x700 [ 2767.590057][ T4861] __should_failslab+0xa4/0xe0 [ 2767.594641][ T4861] should_failslab+0x9/0x20 [ 2767.598989][ T4861] kmem_cache_alloc+0x3d/0x2e0 [ 2767.603576][ T4861] __kernfs_new_node+0xdb/0x700 [ 2767.608263][ T4861] ? mutex_trylock+0xa0/0xa0 [ 2767.612691][ T4861] ? kernfs_new_node+0x170/0x170 [ 2767.617464][ T4861] ? kernfs_activate+0x31a/0x330 [ 2767.622240][ T4861] ? kernfs_add_one+0x4b5/0x5d0 [ 2767.626933][ T4861] kernfs_new_node+0x97/0x170 [ 2767.631520][ T4861] __kernfs_create_file+0x4a/0x270 [ 2767.636467][ T4861] sysfs_add_file_mode_ns+0x273/0x320 [ 2767.641679][ T4861] sysfs_merge_group+0x1fe/0x450 [ 2767.646536][ T4861] ? sysfs_remove_groups+0xb0/0xb0 [ 2767.651490][ T4861] dpm_sysfs_add+0xec/0x2b0 [ 2767.655932][ T4861] device_add+0x520/0xbc0 [ 2767.660090][ T4861] device_create+0x259/0x2e0 [ 2767.664526][ T4861] ? root_device_unregister+0x80/0x80 [ 2767.669721][ T4861] ? memset+0x35/0x40 [ 2767.673539][ T4861] ? number+0xb5a/0xf80 [ 2767.677878][ T4861] bdi_register_va+0x93/0x610 [ 2767.682393][ T4861] bdi_register+0xd1/0x120 [ 2767.686652][ T4861] ? vsnprintf+0x1e1/0x1c70 [ 2767.690988][ T4861] ? __device_add_disk+0x552/0x11a0 [ 2767.696023][ T4861] ? bdi_register_va+0x610/0x610 [ 2767.700791][ T4861] ? __kasan_check_read+0x11/0x20 [ 2767.705650][ T4861] ? blk_alloc_devt+0xd7/0x330 [ 2767.710251][ T4861] __device_add_disk+0x5de/0x11a0 [ 2767.715117][ T4861] ? device_add_disk+0x40/0x40 [ 2767.719799][ T4861] ? vsprintf+0x40/0x40 [ 2767.723804][ T4861] ? device_initialize+0x1e1/0x420 [ 2767.728751][ T4861] device_add_disk+0x2a/0x40 [ 2767.733251][ T4861] loop_add+0x580/0x750 [ 2767.737243][ T4861] loop_control_ioctl+0x448/0x620 [ 2767.742110][ T4861] ? loop_remove+0xb0/0xb0 [ 2767.746544][ T4861] ? __fget_files+0x31e/0x380 [ 2767.751047][ T4861] ? security_file_ioctl+0x84/0xb0 [ 2767.755993][ T4861] ? loop_remove+0xb0/0xb0 [ 2767.760245][ T4861] __se_sys_ioctl+0x114/0x190 [ 2767.764768][ T4861] __x64_sys_ioctl+0x7b/0x90 [ 2767.769187][ T4861] do_syscall_64+0x34/0x70 [ 2767.773443][ T4861] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2767.779163][ T4861] RIP: 0033:0x7f21011fbba9 [ 2767.783419][ T4861] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2767.802861][ T4861] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2767.811107][ T4861] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2767.818914][ T4861] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:35 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2500}, 0x0) [ 2767.826725][ T4861] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2767.834535][ T4861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2767.842346][ T4861] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2767.853003][ T4861] ------------[ cut here ]------------ [ 2767.858594][ T4861] WARNING: CPU: 0 PID: 4861 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2767.867569][ T4861] Modules linked in: [ 2767.871416][ T4861] CPU: 1 PID: 4861 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2767.882939][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2767.893003][ T4861] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2767.898794][ T4861] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2767.918563][ T4861] RSP: 0018:ffffc9000a2d7be0 EFLAGS: 00010283 [ 2767.924496][ T4861] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2767.932512][ T4861] RDX: ffffc90003b20000 RSI: 000000000000b645 RDI: 000000000000b646 [ 2767.940545][ T4861] RBP: ffffc9000a2d7d30 R08: ffffffff82471949 R09: ffffc9000a2d7630 [ 2767.948447][ T4861] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88810b105068 [ 2767.956503][ T4861] R13: ffff88810b105000 R14: ffff88810b105348 R15: ffff88810e1a9000 [ 2767.964504][ T4861] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2767.973368][ T4861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2767.979984][ T4861] CR2: 00007fc7bbe60d58 CR3: 00000001473f7000 CR4: 00000000003506b0 [ 2767.987814][ T4861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2767.995696][ T4861] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2768.003564][ T4861] Call Trace: [ 2768.006795][ T4861] ? show_regs+0x58/0x60 [ 2768.010959][ T4861] ? __warn+0x160/0x2f0 [ 2768.014915][ T4861] ? __device_add_disk+0xe1e/0x11a0 [ 2768.020010][ T4861] ? report_bug+0x3d9/0x5b0 [ 2768.024379][ T4861] ? __device_add_disk+0xe1e/0x11a0 [ 2768.029558][ T4861] ? handle_bug+0x41/0x70 [ 2768.033820][ T4861] ? exc_invalid_op+0x1b/0x50 [ 2768.038570][ T4861] ? asm_exc_invalid_op+0x12/0x20 [ 2768.043583][ T4861] ? __device_add_disk+0x5e9/0x11a0 [ 2768.048768][ T4861] ? __device_add_disk+0xe1e/0x11a0 [ 2768.053892][ T4861] ? __device_add_disk+0xe1e/0x11a0 [ 2768.058958][ T4861] ? device_add_disk+0x40/0x40 [ 2768.063683][ T4861] ? vsprintf+0x40/0x40 [ 2768.067858][ T4861] ? device_initialize+0x1e1/0x420 [ 2768.072983][ T4861] device_add_disk+0x2a/0x40 [ 2768.077523][ T4861] loop_add+0x580/0x750 [ 2768.081611][ T4861] loop_control_ioctl+0x448/0x620 [ 2768.086492][ T4861] ? loop_remove+0xb0/0xb0 [ 2768.090836][ T4861] ? __fget_files+0x31e/0x380 [ 2768.095315][ T4861] ? security_file_ioctl+0x84/0xb0 [ 2768.100326][ T4861] ? loop_remove+0xb0/0xb0 [ 2768.104688][ T4861] __se_sys_ioctl+0x114/0x190 [ 2768.109437][ T4861] __x64_sys_ioctl+0x7b/0x90 [ 2768.113854][ T4861] do_syscall_64+0x34/0x70 [ 2768.118317][ T4861] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2768.124227][ T4861] RIP: 0033:0x7f21011fbba9 [ 2768.128512][ T4861] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2768.148211][ T4861] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2768.156559][ T4861] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2768.164448][ T4861] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2768.172292][ T4861] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:36 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 59) [ 2768.180204][ T4861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2768.188000][ T4861] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2768.195777][ T4861] ---[ end trace e38559e1ffcc9c78 ]--- 00:51:36 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) socket$inet6_udp(0xa, 0x2, 0x0) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:36 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:36 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:36 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) [ 2768.252749][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2768.267441][ T4876] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2768.288833][ T4875] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:36 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2803}, 0x0) 00:51:36 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) socket$inet6_udp(0xa, 0x2, 0x0) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:36 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) [ 2768.304339][ T4878] FAULT_INJECTION: forcing a failure. [ 2768.304339][ T4878] name failslab, interval 1, probability 0, space 0, times 0 [ 2768.318391][ T4878] CPU: 1 PID: 4878 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2768.329832][ T4878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2768.339727][ T4878] Call Trace: [ 2768.342861][ T4878] dump_stack_lvl+0x1e2/0x24b [ 2768.347367][ T4878] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2768.352774][ T4878] ? idr_alloc+0x2f0/0x2f0 [ 2768.357042][ T4878] dump_stack+0x15/0x17 [ 2768.361041][ T4878] should_fail+0x3c6/0x510 [ 2768.365282][ T4878] ? __kernfs_new_node+0xdb/0x700 [ 2768.370142][ T4878] __should_failslab+0xa4/0xe0 [ 2768.374730][ T4878] should_failslab+0x9/0x20 [ 2768.379077][ T4878] kmem_cache_alloc+0x3d/0x2e0 [ 2768.383671][ T4878] __kernfs_new_node+0xdb/0x700 [ 2768.388354][ T4878] ? mutex_trylock+0xa0/0xa0 [ 2768.392781][ T4878] ? kernfs_new_node+0x170/0x170 [ 2768.397554][ T4878] ? kernfs_activate+0x31a/0x330 [ 2768.402334][ T4878] ? kernfs_add_one+0x4b5/0x5d0 [ 2768.407017][ T4878] kernfs_new_node+0x97/0x170 [ 2768.411545][ T4878] __kernfs_create_file+0x4a/0x270 [ 2768.416563][ T4878] sysfs_add_file_mode_ns+0x273/0x320 [ 2768.421894][ T4878] sysfs_merge_group+0x1fe/0x450 [ 2768.426805][ T4878] ? sysfs_remove_groups+0xb0/0xb0 [ 2768.431763][ T4878] dpm_sysfs_add+0xec/0x2b0 [ 2768.436086][ T4878] device_add+0x520/0xbc0 [ 2768.440247][ T4878] device_create+0x259/0x2e0 [ 2768.444672][ T4878] ? root_device_unregister+0x80/0x80 [ 2768.449876][ T4878] ? memset+0x35/0x40 [ 2768.453698][ T4878] ? number+0xb5a/0xf80 [ 2768.457690][ T4878] bdi_register_va+0x93/0x610 [ 2768.462201][ T4878] bdi_register+0xd1/0x120 [ 2768.466460][ T4878] ? vsnprintf+0x1e1/0x1c70 [ 2768.470861][ T4878] ? __device_add_disk+0x552/0x11a0 [ 2768.475837][ T4878] ? bdi_register_va+0x610/0x610 [ 2768.480616][ T4878] ? __kasan_check_read+0x11/0x20 [ 2768.485460][ T4878] ? blk_alloc_devt+0xd7/0x330 [ 2768.490065][ T4878] __device_add_disk+0x5de/0x11a0 [ 2768.495014][ T4878] ? device_add_disk+0x40/0x40 [ 2768.499612][ T4878] ? vsprintf+0x40/0x40 [ 2768.503690][ T4878] ? device_initialize+0x1e1/0x420 [ 2768.508635][ T4878] device_add_disk+0x2a/0x40 [ 2768.513068][ T4878] loop_add+0x580/0x750 [ 2768.517055][ T4878] loop_control_ioctl+0x448/0x620 [ 2768.521911][ T4878] ? loop_remove+0xb0/0xb0 [ 2768.526167][ T4878] ? __fget_files+0x31e/0x380 [ 2768.530683][ T4878] ? security_file_ioctl+0x84/0xb0 [ 2768.535632][ T4878] ? loop_remove+0xb0/0xb0 [ 2768.539878][ T4878] __se_sys_ioctl+0x114/0x190 [ 2768.544393][ T4878] __x64_sys_ioctl+0x7b/0x90 [ 2768.548827][ T4878] do_syscall_64+0x34/0x70 [ 2768.553086][ T4878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2768.558800][ T4878] RIP: 0033:0x7f21011fbba9 [ 2768.563054][ T4878] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2768.582498][ T4878] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2768.590737][ T4878] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2768.598546][ T4878] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2768.606471][ T4878] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2768.614261][ T4878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2768.622189][ T4878] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2768.632279][ T4878] ------------[ cut here ]------------ [ 2768.637861][ T4878] WARNING: CPU: 0 PID: 4878 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2768.647150][ T4878] Modules linked in: [ 2768.650979][ T4878] CPU: 1 PID: 4878 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2768.662669][ T4878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2768.672705][ T4878] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2768.678416][ T4878] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2768.697803][ T4878] RSP: 0018:ffffc9000a3a7be0 EFLAGS: 00010287 [ 2768.703678][ T4878] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2768.711643][ T4878] RDX: ffffc90003b20000 RSI: 000000000000b62a RDI: 000000000000b62b [ 2768.719427][ T4878] RBP: ffffc9000a3a7d30 R08: ffffffff82471949 R09: ffffc9000a3a7630 [ 2768.727269][ T4878] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88811a63b068 [ 2768.735043][ T4878] R13: ffff88811a63b000 R14: ffff88811a63b348 R15: ffff88811a63e000 [ 2768.742914][ T4878] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2768.751639][ T4878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2768.758056][ T4878] CR2: 00007fc7bbe60d58 CR3: 00000001196f7000 CR4: 00000000003506b0 [ 2768.765849][ T4878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2768.773684][ T4878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2768.781650][ T4878] Call Trace: [ 2768.784764][ T4878] ? show_regs+0x58/0x60 [ 2768.788873][ T4878] ? __warn+0x160/0x2f0 [ 2768.792848][ T4878] ? __device_add_disk+0xe1e/0x11a0 [ 2768.797909][ T4878] ? report_bug+0x3d9/0x5b0 [ 2768.802210][ T4878] ? __device_add_disk+0xe1e/0x11a0 [ 2768.807286][ T4878] ? handle_bug+0x41/0x70 [ 2768.811406][ T4878] ? exc_invalid_op+0x1b/0x50 [ 2768.815917][ T4878] ? asm_exc_invalid_op+0x12/0x20 [ 2768.820816][ T4878] ? __device_add_disk+0x5e9/0x11a0 [ 2768.825857][ T4878] ? __device_add_disk+0xe1e/0x11a0 [ 2768.830928][ T4878] ? __device_add_disk+0xe1e/0x11a0 [ 2768.835889][ T4878] ? device_add_disk+0x40/0x40 [ 2768.840541][ T4878] ? vsprintf+0x40/0x40 [ 2768.844484][ T4878] ? device_initialize+0x1e1/0x420 [ 2768.849453][ T4878] device_add_disk+0x2a/0x40 [ 2768.853852][ T4878] loop_add+0x580/0x750 [ 2768.857894][ T4878] loop_control_ioctl+0x448/0x620 [ 2768.862706][ T4878] ? loop_remove+0xb0/0xb0 [ 2768.867016][ T4878] ? __fget_files+0x31e/0x380 [ 2768.871472][ T4878] ? security_file_ioctl+0x84/0xb0 [ 2768.876445][ T4878] ? loop_remove+0xb0/0xb0 [ 2768.880679][ T4878] __se_sys_ioctl+0x114/0x190 [ 2768.885173][ T4878] __x64_sys_ioctl+0x7b/0x90 [ 2768.889646][ T4878] do_syscall_64+0x34/0x70 [ 2768.893867][ T4878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2768.899620][ T4878] RIP: 0033:0x7f21011fbba9 [ 2768.903836][ T4878] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2768.923321][ T4878] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2768.931543][ T4878] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2768.939362][ T4878] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2768.947162][ T4878] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:37 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 60) [ 2768.954962][ T4878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2768.962796][ T4878] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2768.970798][ T4878] ---[ end trace e38559e1ffcc9c79 ]--- 00:51:37 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r5 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) 00:51:37 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:37 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:37 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) socket$inet6_udp(0xa, 0x2, 0x0) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:37 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) 00:51:37 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) [ 2769.026166][ T4896] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2769.058290][ T4904] FAULT_INJECTION: forcing a failure. [ 2769.058290][ T4904] name failslab, interval 1, probability 0, space 0, times 0 00:51:37 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2900}, 0x0) [ 2769.073461][ T4904] CPU: 0 PID: 4904 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2769.085016][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2769.094913][ T4904] Call Trace: [ 2769.098040][ T4904] dump_stack_lvl+0x1e2/0x24b [ 2769.102548][ T4904] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2769.107851][ T4904] ? selinux_kernfs_init_security+0x14a/0x720 [ 2769.113869][ T4904] ? idr_alloc_cyclic+0x369/0x5d0 [ 2769.118752][ T4904] dump_stack+0x15/0x17 [ 2769.122848][ T4904] should_fail+0x3c6/0x510 [ 2769.127117][ T4904] ? __kernfs_new_node+0xdb/0x700 [ 2769.131960][ T4904] __should_failslab+0xa4/0xe0 [ 2769.136555][ T4904] should_failslab+0x9/0x20 [ 2769.140899][ T4904] kmem_cache_alloc+0x3d/0x2e0 [ 2769.145788][ T4904] __kernfs_new_node+0xdb/0x700 [ 2769.150465][ T4904] ? mutex_trylock+0xa0/0xa0 [ 2769.154905][ T4904] ? __kasan_check_write+0x14/0x20 [ 2769.159833][ T4904] ? mutex_lock+0xa5/0x110 [ 2769.164083][ T4904] ? kernfs_new_node+0x170/0x170 [ 2769.168853][ T4904] ? __kasan_check_write+0x14/0x20 [ 2769.173801][ T4904] ? mutex_unlock+0x1c/0x40 [ 2769.178148][ T4904] ? kernfs_activate+0x31a/0x330 [ 2769.182939][ T4904] kernfs_new_node+0x97/0x170 [ 2769.187471][ T4904] __kernfs_create_file+0x4a/0x270 [ 2769.192387][ T4904] sysfs_add_file_mode_ns+0x273/0x320 [ 2769.197587][ T4904] sysfs_merge_group+0x1fe/0x450 [ 2769.202366][ T4904] ? sysfs_remove_groups+0xb0/0xb0 [ 2769.207320][ T4904] dpm_sysfs_add+0xec/0x2b0 [ 2769.211737][ T4904] device_add+0x520/0xbc0 [ 2769.216025][ T4904] device_create+0x259/0x2e0 [ 2769.220444][ T4904] ? root_device_unregister+0x80/0x80 [ 2769.225647][ T4904] ? memset+0x35/0x40 [ 2769.229508][ T4904] ? number+0xb5a/0xf80 [ 2769.233486][ T4904] bdi_register_va+0x93/0x610 [ 2769.237969][ T4904] bdi_register+0xd1/0x120 [ 2769.242220][ T4904] ? vsnprintf+0x1e1/0x1c70 [ 2769.246920][ T4904] ? __device_add_disk+0x552/0x11a0 [ 2769.251946][ T4904] ? bdi_register_va+0x610/0x610 [ 2769.256841][ T4904] ? __kasan_check_read+0x11/0x20 [ 2769.261791][ T4904] ? blk_alloc_devt+0xd7/0x330 [ 2769.266392][ T4904] __device_add_disk+0x5de/0x11a0 [ 2769.271290][ T4904] ? device_add_disk+0x40/0x40 [ 2769.275955][ T4904] ? vsprintf+0x40/0x40 [ 2769.279946][ T4904] ? device_initialize+0x1e1/0x420 [ 2769.284887][ T4904] device_add_disk+0x2a/0x40 [ 2769.289398][ T4904] loop_add+0x580/0x750 [ 2769.293383][ T4904] loop_control_ioctl+0x448/0x620 [ 2769.298244][ T4904] ? loop_remove+0xb0/0xb0 [ 2769.302504][ T4904] ? __fget_files+0x31e/0x380 [ 2769.307021][ T4904] ? security_file_ioctl+0x84/0xb0 [ 2769.311977][ T4904] ? loop_remove+0xb0/0xb0 [ 2769.316217][ T4904] __se_sys_ioctl+0x114/0x190 [ 2769.320738][ T4904] __x64_sys_ioctl+0x7b/0x90 [ 2769.325167][ T4904] do_syscall_64+0x34/0x70 [ 2769.329411][ T4904] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2769.335133][ T4904] RIP: 0033:0x7f21011fbba9 [ 2769.339383][ T4904] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2769.358909][ T4904] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2769.367154][ T4904] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2769.374960][ T4904] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2769.382865][ T4904] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2769.390675][ T4904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2769.398481][ T4904] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2769.406999][ T4904] ------------[ cut here ]------------ [ 2769.412296][ T4904] WARNING: CPU: 1 PID: 4904 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2769.422332][ T4904] Modules linked in: [ 2769.426256][ T4904] CPU: 0 PID: 4904 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2769.437791][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2769.447800][ T4904] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2769.453535][ T4904] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2769.473293][ T4904] RSP: 0018:ffffc9000a557be0 EFLAGS: 00010283 [ 2769.479271][ T4904] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2769.487263][ T4904] RDX: ffffc90003b20000 RSI: 000000000000c36c RDI: 000000000000c36d [ 2769.495261][ T4904] RBP: ffffc9000a557d30 R08: ffffffff82471949 R09: ffffc9000a557630 [ 2769.503296][ T4904] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff88812e0dc068 [ 2769.511381][ T4904] R13: ffff88812e0dc000 R14: ffff88812e0dc348 R15: ffff88810b103000 [ 2769.519380][ T4904] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2769.528134][ T4904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2769.534676][ T4904] CR2: 00007fc7bbe60d58 CR3: 000000010e1f1000 CR4: 00000000003506a0 [ 2769.543159][ T4904] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2769.550996][ T4904] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2769.559111][ T4904] Call Trace: [ 2769.562297][ T4904] ? show_regs+0x58/0x60 [ 2769.566383][ T4904] ? __warn+0x160/0x2f0 [ 2769.570482][ T4904] ? __device_add_disk+0xe1e/0x11a0 [ 2769.575525][ T4904] ? report_bug+0x3d9/0x5b0 [ 2769.580062][ T4904] ? __device_add_disk+0xe1e/0x11a0 [ 2769.585243][ T4904] ? handle_bug+0x41/0x70 [ 2769.589611][ T4904] ? exc_invalid_op+0x1b/0x50 [ 2769.594182][ T4904] ? asm_exc_invalid_op+0x12/0x20 [ 2769.599265][ T4904] ? __device_add_disk+0x5e9/0x11a0 [ 2769.604365][ T4904] ? __device_add_disk+0xe1e/0x11a0 [ 2769.609570][ T4904] ? __device_add_disk+0xe1e/0x11a0 [ 2769.614654][ T4904] ? device_add_disk+0x40/0x40 [ 2769.619305][ T4904] ? vsprintf+0x40/0x40 [ 2769.623391][ T4904] ? device_initialize+0x1e1/0x420 [ 2769.628366][ T4904] device_add_disk+0x2a/0x40 [ 2769.632879][ T4904] loop_add+0x580/0x750 [ 2769.636921][ T4904] loop_control_ioctl+0x448/0x620 [ 2769.641734][ T4904] ? loop_remove+0xb0/0xb0 [ 2769.645966][ T4904] ? __fget_files+0x31e/0x380 [ 2769.650579][ T4904] ? security_file_ioctl+0x84/0xb0 [ 2769.655495][ T4904] ? loop_remove+0xb0/0xb0 [ 2769.659929][ T4904] __se_sys_ioctl+0x114/0x190 [ 2769.664492][ T4904] __x64_sys_ioctl+0x7b/0x90 [ 2769.669124][ T4904] do_syscall_64+0x34/0x70 [ 2769.673441][ T4904] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2769.679191][ T4904] RIP: 0033:0x7f21011fbba9 [ 2769.683388][ T4904] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2769.703084][ T4904] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2769.711573][ T4904] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2769.719514][ T4904] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:37 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 61) 00:51:37 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2901}, 0x0) [ 2769.727587][ T4904] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2769.735466][ T4904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2769.743333][ T4904] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2769.751253][ T4904] ---[ end trace e38559e1ffcc9c7a ]--- [ 2769.765585][ T4918] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:37 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:37 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) 00:51:37 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:37 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2769.798094][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2769.813134][ T4922] FAULT_INJECTION: forcing a failure. [ 2769.813134][ T4922] name failslab, interval 1, probability 0, space 0, times 0 [ 2769.831987][ T4924] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:37 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2902}, 0x0) [ 2769.832407][ T4922] CPU: 1 PID: 4922 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2769.852461][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2769.862440][ T4922] Call Trace: [ 2769.865570][ T4922] dump_stack_lvl+0x1e2/0x24b [ 2769.870088][ T4922] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2769.875375][ T4922] ? selinux_kernfs_init_security+0x14a/0x720 [ 2769.881363][ T4922] ? idr_alloc_cyclic+0x369/0x5d0 [ 2769.886224][ T4922] dump_stack+0x15/0x17 [ 2769.890215][ T4922] should_fail+0x3c6/0x510 [ 2769.894485][ T4922] ? __kernfs_new_node+0xdb/0x700 [ 2769.899336][ T4922] __should_failslab+0xa4/0xe0 [ 2769.903933][ T4922] should_failslab+0x9/0x20 [ 2769.908281][ T4922] kmem_cache_alloc+0x3d/0x2e0 [ 2769.912868][ T4922] __kernfs_new_node+0xdb/0x700 [ 2769.917556][ T4922] ? mutex_trylock+0xa0/0xa0 [ 2769.921983][ T4922] ? __kasan_check_write+0x14/0x20 [ 2769.926950][ T4922] ? mutex_lock+0xa5/0x110 [ 2769.931180][ T4922] ? kernfs_new_node+0x170/0x170 [ 2769.935958][ T4922] ? __kasan_check_write+0x14/0x20 [ 2769.940908][ T4922] ? mutex_unlock+0x1c/0x40 [ 2769.945246][ T4922] ? kernfs_activate+0x31a/0x330 [ 2769.950017][ T4922] kernfs_new_node+0x97/0x170 [ 2769.954530][ T4922] __kernfs_create_file+0x4a/0x270 [ 2769.959485][ T4922] sysfs_add_file_mode_ns+0x273/0x320 [ 2769.964685][ T4922] sysfs_merge_group+0x1fe/0x450 [ 2769.969458][ T4922] ? sysfs_remove_groups+0xb0/0xb0 [ 2769.974405][ T4922] dpm_sysfs_add+0xec/0x2b0 [ 2769.978742][ T4922] device_add+0x520/0xbc0 [ 2769.982912][ T4922] device_create+0x259/0x2e0 [ 2769.987334][ T4922] ? root_device_unregister+0x80/0x80 [ 2769.992545][ T4922] ? memset+0x35/0x40 [ 2769.996363][ T4922] ? number+0xb5a/0xf80 [ 2770.000356][ T4922] bdi_register_va+0x93/0x610 [ 2770.004867][ T4922] bdi_register+0xd1/0x120 [ 2770.009117][ T4922] ? vsnprintf+0x1e1/0x1c70 [ 2770.013459][ T4922] ? __device_add_disk+0x552/0x11a0 [ 2770.018492][ T4922] ? bdi_register_va+0x610/0x610 [ 2770.023289][ T4922] ? __kasan_check_read+0x11/0x20 [ 2770.028131][ T4922] ? blk_alloc_devt+0xd7/0x330 [ 2770.032742][ T4922] __device_add_disk+0x5de/0x11a0 [ 2770.037603][ T4922] ? device_add_disk+0x40/0x40 [ 2770.042314][ T4922] ? vsprintf+0x40/0x40 [ 2770.046303][ T4922] ? device_initialize+0x1e1/0x420 [ 2770.051247][ T4922] device_add_disk+0x2a/0x40 [ 2770.055677][ T4922] loop_add+0x580/0x750 [ 2770.059666][ T4922] loop_control_ioctl+0x448/0x620 [ 2770.064525][ T4922] ? loop_remove+0xb0/0xb0 [ 2770.068787][ T4922] ? __fget_files+0x31e/0x380 [ 2770.073297][ T4922] ? security_file_ioctl+0x84/0xb0 [ 2770.078238][ T4922] ? loop_remove+0xb0/0xb0 [ 2770.082491][ T4922] __se_sys_ioctl+0x114/0x190 [ 2770.087028][ T4922] __x64_sys_ioctl+0x7b/0x90 [ 2770.091552][ T4922] do_syscall_64+0x34/0x70 [ 2770.095783][ T4922] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2770.101620][ T4922] RIP: 0033:0x7f21011fbba9 [ 2770.105858][ T4922] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2770.125296][ T4922] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2770.133660][ T4922] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2770.141455][ T4922] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2770.149279][ T4922] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2770.157777][ T4922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2770.165587][ T4922] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2770.175218][ T4922] ------------[ cut here ]------------ [ 2770.181135][ T4922] WARNING: CPU: 1 PID: 4922 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2770.190588][ T4922] Modules linked in: [ 2770.195195][ T4922] CPU: 0 PID: 4922 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2770.207946][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2770.218413][ T4922] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2770.224685][ T4922] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2770.245564][ T4922] RSP: 0018:ffffc9000a2c7be0 EFLAGS: 00010287 [ 2770.251977][ T4922] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2770.260687][ T4922] RDX: ffffc90003b20000 RSI: 000000000002883b RDI: 000000000002883c [ 2770.269227][ T4922] RBP: ffffc9000a2c7d30 R08: ffffffff82471949 R09: ffffc9000a2c7630 [ 2770.277337][ T4922] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff888114ffa068 [ 2770.285728][ T4922] R13: ffff888114ffa000 R14: ffff888114ffa348 R15: ffff888114ffe000 [ 2770.294114][ T4922] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2770.303029][ T4922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2770.310124][ T4922] CR2: 00007f461758bd58 CR3: 000000010fd7a000 CR4: 00000000003506b0 [ 2770.318920][ T4922] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2770.327187][ T4922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2770.335155][ T4922] Call Trace: [ 2770.338332][ T4922] ? show_regs+0x58/0x60 [ 2770.342374][ T4922] ? __warn+0x160/0x2f0 [ 2770.346613][ T4922] ? __device_add_disk+0xe1e/0x11a0 [ 2770.351652][ T4922] ? report_bug+0x3d9/0x5b0 [ 2770.356158][ T4922] ? __device_add_disk+0xe1e/0x11a0 [ 2770.361333][ T4922] ? handle_bug+0x41/0x70 [ 2770.365507][ T4922] ? exc_invalid_op+0x1b/0x50 [ 2770.370385][ T4922] ? asm_exc_invalid_op+0x12/0x20 [ 2770.375362][ T4922] ? __device_add_disk+0x5e9/0x11a0 [ 2770.380919][ T4922] ? __device_add_disk+0xe1e/0x11a0 [ 2770.386151][ T4922] ? __device_add_disk+0xe1e/0x11a0 [ 2770.391569][ T4922] ? device_add_disk+0x40/0x40 [ 2770.396348][ T4922] ? vsprintf+0x40/0x40 [ 2770.400600][ T4922] ? device_initialize+0x1e1/0x420 [ 2770.406288][ T4922] device_add_disk+0x2a/0x40 [ 2770.411909][ T4922] loop_add+0x580/0x750 [ 2770.416247][ T4922] loop_control_ioctl+0x448/0x620 [ 2770.421614][ T4922] ? loop_remove+0xb0/0xb0 [ 2770.425895][ T4922] ? __fget_files+0x31e/0x380 [ 2770.431357][ T4922] ? security_file_ioctl+0x84/0xb0 [ 2770.437654][ T4922] ? loop_remove+0xb0/0xb0 [ 2770.442665][ T4922] __se_sys_ioctl+0x114/0x190 [ 2770.448305][ T4922] __x64_sys_ioctl+0x7b/0x90 [ 2770.453555][ T4922] do_syscall_64+0x34/0x70 [ 2770.458384][ T4922] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2770.465528][ T4922] RIP: 0033:0x7f21011fbba9 [ 2770.470165][ T4922] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2770.492464][ T4922] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:38 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2903}, 0x0) 00:51:38 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 62) [ 2770.500873][ T4922] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2770.509215][ T4922] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2770.517457][ T4922] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2770.525848][ T4922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2770.535953][ T4922] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2770.544801][ T4922] ---[ end trace e38559e1ffcc9c7b ]--- 00:51:38 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:38 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2a00}, 0x0) [ 2770.598646][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2770.632635][ T4942] FAULT_INJECTION: forcing a failure. [ 2770.632635][ T4942] name failslab, interval 1, probability 0, space 0, times 0 [ 2770.646627][ T4942] CPU: 1 PID: 4942 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2770.658417][ T4942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2770.669243][ T4942] Call Trace: [ 2770.672383][ T4942] dump_stack_lvl+0x1e2/0x24b [ 2770.676961][ T4942] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2770.682510][ T4942] ? selinux_kernfs_init_security+0x14a/0x720 [ 2770.688684][ T4942] ? idr_alloc_cyclic+0x369/0x5d0 [ 2770.693581][ T4942] dump_stack+0x15/0x17 [ 2770.697527][ T4942] should_fail+0x3c6/0x510 [ 2770.701841][ T4942] ? __kernfs_new_node+0xdb/0x700 [ 2770.706789][ T4942] __should_failslab+0xa4/0xe0 [ 2770.711667][ T4942] should_failslab+0x9/0x20 [ 2770.716080][ T4942] kmem_cache_alloc+0x3d/0x2e0 [ 2770.721127][ T4942] __kernfs_new_node+0xdb/0x700 [ 2770.725996][ T4942] ? mutex_trylock+0xa0/0xa0 [ 2770.730382][ T4942] ? __kasan_check_write+0x14/0x20 [ 2770.735749][ T4942] ? mutex_lock+0xa5/0x110 [ 2770.740372][ T4942] ? kernfs_new_node+0x170/0x170 [ 2770.745110][ T4942] ? __kasan_check_write+0x14/0x20 [ 2770.750819][ T4942] ? mutex_unlock+0x1c/0x40 [ 2770.755090][ T4942] ? kernfs_activate+0x31a/0x330 [ 2770.760137][ T4942] kernfs_new_node+0x97/0x170 [ 2770.764840][ T4942] __kernfs_create_file+0x4a/0x270 [ 2770.770379][ T4942] sysfs_add_file_mode_ns+0x273/0x320 [ 2770.776266][ T4942] sysfs_merge_group+0x1fe/0x450 [ 2770.781131][ T4942] ? sysfs_remove_groups+0xb0/0xb0 [ 2770.786962][ T4942] dpm_sysfs_add+0xec/0x2b0 [ 2770.791589][ T4942] device_add+0x520/0xbc0 [ 2770.795750][ T4942] device_create+0x259/0x2e0 [ 2770.800166][ T4942] ? root_device_unregister+0x80/0x80 [ 2770.805493][ T4942] ? memset+0x35/0x40 [ 2770.809321][ T4942] ? number+0xb5a/0xf80 [ 2770.813472][ T4942] bdi_register_va+0x93/0x610 [ 2770.817986][ T4942] bdi_register+0xd1/0x120 [ 2770.822344][ T4942] ? vsnprintf+0x1e1/0x1c70 [ 2770.826753][ T4942] ? __device_add_disk+0x552/0x11a0 [ 2770.832054][ T4942] ? bdi_register_va+0x610/0x610 [ 2770.836915][ T4942] ? __kasan_check_read+0x11/0x20 [ 2770.842092][ T4942] ? blk_alloc_devt+0xd7/0x330 [ 2770.846773][ T4942] __device_add_disk+0x5de/0x11a0 [ 2770.851788][ T4942] ? device_add_disk+0x40/0x40 [ 2770.856476][ T4942] ? vsprintf+0x40/0x40 [ 2770.861762][ T4942] ? device_initialize+0x1e1/0x420 [ 2770.866995][ T4942] device_add_disk+0x2a/0x40 [ 2770.871723][ T4942] loop_add+0x580/0x750 [ 2770.875796][ T4942] loop_control_ioctl+0x448/0x620 [ 2770.880651][ T4942] ? loop_remove+0xb0/0xb0 [ 2770.885424][ T4942] ? __fget_files+0x31e/0x380 [ 2770.890309][ T4942] ? security_file_ioctl+0x84/0xb0 [ 2770.895230][ T4942] ? loop_remove+0xb0/0xb0 [ 2770.899485][ T4942] __se_sys_ioctl+0x114/0x190 [ 2770.904181][ T4942] __x64_sys_ioctl+0x7b/0x90 [ 2770.908770][ T4942] do_syscall_64+0x34/0x70 [ 2770.913556][ T4942] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2770.919354][ T4942] RIP: 0033:0x7f21011fbba9 [ 2770.923972][ T4942] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2770.944282][ T4942] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2770.952777][ T4942] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2770.960930][ T4942] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2770.968783][ T4942] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2770.977010][ T4942] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2770.985075][ T4942] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2771.000263][ T4942] ------------[ cut here ]------------ [ 2771.006004][ T4942] WARNING: CPU: 1 PID: 4942 at block/genhd.c:821 __device_add_disk+0xe1e/0x11a0 [ 2771.015554][ T4942] Modules linked in: [ 2771.019837][ T4942] CPU: 1 PID: 4942 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2771.032183][ T4942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2771.042487][ T4942] RIP: 0010:__device_add_disk+0xe1e/0x11a0 [ 2771.048479][ T4942] Code: ff ff e8 15 84 23 ff 0f 0b e9 d0 f3 ff ff e8 09 84 23 ff 0f 0b 42 80 3c 33 00 0f 85 4d f9 ff ff e9 50 f9 ff ff e8 f2 83 23 ff <0f> 0b e9 d1 f7 ff ff e8 e6 83 23 ff e9 14 ff ff ff 48 8d 8c 24 e0 [ 2771.068458][ T4942] RSP: 0018:ffffc900098f7be0 EFLAGS: 00010283 [ 2771.074499][ T4942] RAX: ffffffff8247217e RBX: 00000000fffffff4 RCX: 0000000000040000 [ 2771.082715][ T4942] RDX: ffffc90003b20000 RSI: 000000000000c3fa RDI: 000000000000c3fb [ 2771.091141][ T4942] RBP: ffffc900098f7d30 R08: ffffffff82471949 R09: ffffc900098f7630 [ 2771.099374][ T4942] R10: 0000000092990203 R11: 000000001def68a1 R12: ffff8881146c0068 [ 2771.108213][ T4942] R13: ffff8881146c0000 R14: ffff8881146c0348 R15: ffff888112694000 [ 2771.116516][ T4942] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2771.125505][ T4942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2771.132612][ T4942] CR2: 0000555555aa7818 CR3: 0000000118790000 CR4: 00000000003506a0 [ 2771.141214][ T4942] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2771.149789][ T4942] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2771.158154][ T4942] Call Trace: [ 2771.161511][ T4942] ? show_regs+0x58/0x60 [ 2771.167751][ T4942] ? __warn+0x160/0x2f0 [ 2771.173244][ T4942] ? __device_add_disk+0xe1e/0x11a0 [ 2771.179061][ T4942] ? report_bug+0x3d9/0x5b0 [ 2771.184022][ T4942] ? __device_add_disk+0xe1e/0x11a0 [ 2771.189579][ T4942] ? handle_bug+0x41/0x70 [ 2771.193983][ T4942] ? exc_invalid_op+0x1b/0x50 [ 2771.199738][ T4942] ? asm_exc_invalid_op+0x12/0x20 [ 2771.205579][ T4942] ? __device_add_disk+0x5e9/0x11a0 [ 2771.212043][ T4942] ? __device_add_disk+0xe1e/0x11a0 [ 2771.217452][ T4942] ? __device_add_disk+0xe1e/0x11a0 [ 2771.223439][ T4942] ? device_add_disk+0x40/0x40 [ 2771.228701][ T4942] ? vsprintf+0x40/0x40 [ 2771.233044][ T4942] ? device_initialize+0x1e1/0x420 [ 2771.238556][ T4942] device_add_disk+0x2a/0x40 [ 2771.243526][ T4942] loop_add+0x580/0x750 [ 2771.248111][ T4942] loop_control_ioctl+0x448/0x620 [ 2771.253300][ T4942] ? loop_remove+0xb0/0xb0 [ 2771.258294][ T4942] ? __fget_files+0x31e/0x380 [ 2771.263199][ T4942] ? security_file_ioctl+0x84/0xb0 [ 2771.268521][ T4942] ? loop_remove+0xb0/0xb0 [ 2771.272993][ T4942] __se_sys_ioctl+0x114/0x190 [ 2771.278457][ T4942] __x64_sys_ioctl+0x7b/0x90 [ 2771.283646][ T4942] do_syscall_64+0x34/0x70 [ 2771.288587][ T4942] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2771.296502][ T4942] RIP: 0033:0x7f21011fbba9 [ 2771.301572][ T4942] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2771.324660][ T4942] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2771.333305][ T4942] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2771.342853][ T4942] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:39 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2771.352146][ T4942] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2771.361706][ T4942] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2771.370686][ T4942] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2771.379713][ T4942] ---[ end trace e38559e1ffcc9c7c ]--- [ 2771.396108][ T4945] __nla_validate_parse: 2 callbacks suppressed 00:51:39 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 63) 00:51:39 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:39 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2a01}, 0x0) 00:51:39 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) 00:51:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2a02}, 0x0) 00:51:39 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0), 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:39 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2771.396120][ T4945] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2771.441723][ T4950] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:39 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) [ 2771.487809][ T4958] FAULT_INJECTION: forcing a failure. [ 2771.487809][ T4958] name failslab, interval 1, probability 0, space 0, times 0 [ 2771.501017][ T4958] CPU: 1 PID: 4958 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2771.512472][ T4958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2771.522354][ T4958] Call Trace: [ 2771.525493][ T4958] dump_stack_lvl+0x1e2/0x24b [ 2771.529998][ T4958] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2771.535291][ T4958] dump_stack+0x15/0x17 [ 2771.539456][ T4958] should_fail+0x3c6/0x510 [ 2771.543699][ T4958] ? kobject_get_path+0xbc/0x1f0 [ 2771.548446][ T4958] __should_failslab+0xa4/0xe0 [ 2771.553310][ T4958] should_failslab+0x9/0x20 [ 2771.557643][ T4958] __kmalloc+0x60/0x330 [ 2771.561627][ T4958] kobject_get_path+0xbc/0x1f0 [ 2771.566221][ T4958] kobject_uevent_env+0x27f/0x700 [ 2771.571080][ T4958] ? __kasan_check_write+0x14/0x20 [ 2771.576162][ T4958] kobject_uevent+0x1f/0x30 [ 2771.580749][ T4958] device_add+0x791/0xbc0 [ 2771.584894][ T4958] device_create+0x259/0x2e0 [ 2771.589321][ T4958] ? root_device_unregister+0x80/0x80 [ 2771.594524][ T4958] ? memset+0x35/0x40 [ 2771.598341][ T4958] ? number+0xb5a/0xf80 [ 2771.602331][ T4958] bdi_register_va+0x93/0x610 [ 2771.606855][ T4958] bdi_register+0xd1/0x120 [ 2771.611100][ T4958] ? vsnprintf+0x1e1/0x1c70 [ 2771.615518][ T4958] ? __device_add_disk+0x552/0x11a0 [ 2771.620501][ T4958] ? bdi_register_va+0x610/0x610 [ 2771.625268][ T4958] ? __kasan_check_read+0x11/0x20 [ 2771.630115][ T4958] ? blk_alloc_devt+0xd7/0x330 [ 2771.634708][ T4958] __device_add_disk+0x5de/0x11a0 [ 2771.639832][ T4958] ? device_add_disk+0x40/0x40 [ 2771.645017][ T4958] ? vsprintf+0x40/0x40 [ 2771.649009][ T4958] ? device_initialize+0x1e1/0x420 [ 2771.654156][ T4958] device_add_disk+0x2a/0x40 [ 2771.658557][ T4958] loop_add+0x580/0x750 [ 2771.662548][ T4958] loop_control_ioctl+0x448/0x620 [ 2771.667425][ T4958] ? loop_remove+0xb0/0xb0 [ 2771.671929][ T4958] ? __fget_files+0x31e/0x380 [ 2771.676446][ T4958] ? security_file_ioctl+0x84/0xb0 [ 2771.681383][ T4958] ? loop_remove+0xb0/0xb0 [ 2771.685630][ T4958] __se_sys_ioctl+0x114/0x190 [ 2771.690188][ T4958] __x64_sys_ioctl+0x7b/0x90 [ 2771.694577][ T4958] do_syscall_64+0x34/0x70 [ 2771.698826][ T4958] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2771.704568][ T4958] RIP: 0033:0x7f21011fbba9 [ 2771.708824][ T4958] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2771.728765][ T4958] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:39 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 64) [ 2771.737011][ T4958] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2771.744829][ T4958] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2771.752640][ T4958] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2771.760439][ T4958] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2771.768251][ T4958] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2a03}, 0x0) [ 2771.786432][ T4964] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:39 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:39 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2771.842043][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2771.867939][ T4973] FAULT_INJECTION: forcing a failure. [ 2771.867939][ T4973] name failslab, interval 1, probability 0, space 0, times 0 [ 2771.879591][ T4971] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2b00}, 0x0) [ 2771.882341][ T4973] CPU: 1 PID: 4973 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2771.900922][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2771.911000][ T4973] Call Trace: [ 2771.914132][ T4973] dump_stack_lvl+0x1e2/0x24b [ 2771.919173][ T4973] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2771.924704][ T4973] dump_stack+0x15/0x17 [ 2771.929011][ T4973] should_fail+0x3c6/0x510 [ 2771.933354][ T4973] ? kobject_get_path+0xbc/0x1f0 [ 2771.938395][ T4973] __should_failslab+0xa4/0xe0 [ 2771.942948][ T4973] should_failslab+0x9/0x20 [ 2771.947373][ T4973] __kmalloc+0x60/0x330 [ 2771.951372][ T4973] kobject_get_path+0xbc/0x1f0 [ 2771.956056][ T4973] kobject_uevent_env+0x27f/0x700 [ 2771.961026][ T4973] ? __kasan_check_write+0x14/0x20 [ 2771.966031][ T4973] kobject_uevent+0x1f/0x30 [ 2771.970374][ T4973] device_add+0x791/0xbc0 [ 2771.974551][ T4973] device_create+0x259/0x2e0 [ 2771.978964][ T4973] ? root_device_unregister+0x80/0x80 [ 2771.984169][ T4973] ? memset+0x35/0x40 [ 2771.988123][ T4973] ? number+0xb5a/0xf80 [ 2771.992231][ T4973] bdi_register_va+0x93/0x610 [ 2771.996743][ T4973] bdi_register+0xd1/0x120 [ 2772.001209][ T4973] ? vsnprintf+0x1e1/0x1c70 [ 2772.005690][ T4973] ? __device_add_disk+0x552/0x11a0 [ 2772.010835][ T4973] ? bdi_register_va+0x610/0x610 [ 2772.015738][ T4973] ? __kasan_check_read+0x11/0x20 [ 2772.020616][ T4973] ? blk_alloc_devt+0xd7/0x330 [ 2772.025205][ T4973] __device_add_disk+0x5de/0x11a0 [ 2772.030053][ T4973] ? device_add_disk+0x40/0x40 [ 2772.034655][ T4973] ? vsprintf+0x40/0x40 [ 2772.038747][ T4973] ? device_initialize+0x1e1/0x420 [ 2772.043680][ T4973] device_add_disk+0x2a/0x40 [ 2772.048106][ T4973] loop_add+0x580/0x750 [ 2772.052095][ T4973] loop_control_ioctl+0x448/0x620 [ 2772.056963][ T4973] ? loop_remove+0xb0/0xb0 [ 2772.061219][ T4973] ? __fget_files+0x31e/0x380 [ 2772.065744][ T4973] ? security_file_ioctl+0x84/0xb0 [ 2772.070666][ T4973] ? loop_remove+0xb0/0xb0 [ 2772.075059][ T4973] __se_sys_ioctl+0x114/0x190 [ 2772.079627][ T4973] __x64_sys_ioctl+0x7b/0x90 [ 2772.084380][ T4973] do_syscall_64+0x34/0x70 [ 2772.088769][ T4973] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2772.094652][ T4973] RIP: 0033:0x7f21011fbba9 [ 2772.098907][ T4973] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2772.118349][ T4973] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2772.126867][ T4973] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2772.134883][ T4973] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:40 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 65) [ 2772.142989][ T4973] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2772.151178][ T4973] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2772.159543][ T4973] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:40 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0), 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:40 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) 00:51:40 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:40 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) 00:51:40 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0), 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) [ 2772.208102][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2772.235568][ T4983] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:40 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2b01}, 0x0) 00:51:40 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:40 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) [ 2772.273477][ T4993] FAULT_INJECTION: forcing a failure. [ 2772.273477][ T4993] name failslab, interval 1, probability 0, space 0, times 0 [ 2772.295304][ T4993] CPU: 1 PID: 4993 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2772.307429][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2772.317732][ T4993] Call Trace: [ 2772.321106][ T4993] dump_stack_lvl+0x1e2/0x24b [ 2772.325946][ T4993] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2772.331226][ T4993] dump_stack+0x15/0x17 [ 2772.335178][ T4993] should_fail+0x3c6/0x510 [ 2772.339515][ T4993] ? kobject_get_path+0xbc/0x1f0 [ 2772.344296][ T4993] __should_failslab+0xa4/0xe0 [ 2772.349004][ T4993] should_failslab+0x9/0x20 [ 2772.353344][ T4993] __kmalloc+0x60/0x330 [ 2772.357428][ T4993] kobject_get_path+0xbc/0x1f0 [ 2772.362309][ T4993] kobject_uevent_env+0x27f/0x700 [ 2772.367281][ T4993] ? __kasan_check_write+0x14/0x20 [ 2772.372223][ T4993] kobject_uevent+0x1f/0x30 [ 2772.376663][ T4993] device_add+0x791/0xbc0 [ 2772.380846][ T4993] device_create+0x259/0x2e0 [ 2772.385477][ T4993] ? root_device_unregister+0x80/0x80 [ 2772.391243][ T4993] ? memset+0x35/0x40 [ 2772.395466][ T4993] ? number+0xb5a/0xf80 [ 2772.400252][ T4993] bdi_register_va+0x93/0x610 [ 2772.406179][ T4993] bdi_register+0xd1/0x120 [ 2772.410612][ T4993] ? vsnprintf+0x1e1/0x1c70 [ 2772.414931][ T4993] ? __device_add_disk+0x552/0x11a0 [ 2772.420102][ T4993] ? bdi_register_va+0x610/0x610 [ 2772.425030][ T4993] ? __kasan_check_read+0x11/0x20 [ 2772.430168][ T4993] ? blk_alloc_devt+0xd7/0x330 [ 2772.434867][ T4993] __device_add_disk+0x5de/0x11a0 [ 2772.439879][ T4993] ? device_add_disk+0x40/0x40 [ 2772.444560][ T4993] ? vsprintf+0x40/0x40 [ 2772.448682][ T4993] ? device_initialize+0x1e1/0x420 [ 2772.453855][ T4993] device_add_disk+0x2a/0x40 [ 2772.458261][ T4993] loop_add+0x580/0x750 [ 2772.462259][ T4993] loop_control_ioctl+0x448/0x620 [ 2772.467116][ T4993] ? loop_remove+0xb0/0xb0 [ 2772.471363][ T4993] ? __fget_files+0x31e/0x380 [ 2772.475880][ T4993] ? security_file_ioctl+0x84/0xb0 [ 2772.480821][ T4993] ? loop_remove+0xb0/0xb0 [ 2772.485780][ T4993] __se_sys_ioctl+0x114/0x190 [ 2772.490391][ T4993] __x64_sys_ioctl+0x7b/0x90 [ 2772.495038][ T4993] do_syscall_64+0x34/0x70 [ 2772.499738][ T4993] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2772.505833][ T4993] RIP: 0033:0x7f21011fbba9 [ 2772.510259][ T4993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2772.530523][ T4993] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2772.539542][ T4993] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2772.547755][ T4993] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2772.556028][ T4993] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2772.563903][ T4993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 00:51:40 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 66) [ 2772.571653][ T4993] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:40 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) 00:51:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2b02}, 0x0) 00:51:40 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:40 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) 00:51:40 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2772.598694][ T5006] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2772.618096][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2772.643341][ T5008] FAULT_INJECTION: forcing a failure. 00:51:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2b03}, 0x0) [ 2772.643341][ T5008] name failslab, interval 1, probability 0, space 0, times 0 [ 2772.652707][ T5013] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2772.659555][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2772.676665][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2772.686592][ T5008] Call Trace: [ 2772.689701][ T5008] dump_stack_lvl+0x1e2/0x24b [ 2772.694204][ T5008] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2772.699640][ T5008] dump_stack+0x15/0x17 [ 2772.703623][ T5008] should_fail+0x3c6/0x510 [ 2772.707872][ T5008] ? alloc_uevent_skb+0x80/0x230 [ 2772.712656][ T5008] __should_failslab+0xa4/0xe0 [ 2772.717272][ T5008] should_failslab+0x9/0x20 [ 2772.721596][ T5008] __kmalloc_track_caller+0x5f/0x320 [ 2772.726705][ T5008] ? kmem_cache_alloc+0x168/0x2e0 [ 2772.731568][ T5008] ? __alloc_skb+0x80/0x510 [ 2772.735915][ T5008] ? alloc_uevent_skb+0x80/0x230 [ 2772.740712][ T5008] __alloc_skb+0xbc/0x510 [ 2772.744885][ T5008] ? mutex_lock+0xa5/0x110 [ 2772.749283][ T5008] alloc_uevent_skb+0x80/0x230 [ 2772.753878][ T5008] kobject_uevent_net_broadcast+0x311/0x590 [ 2772.759719][ T5008] kobject_uevent_env+0x525/0x700 [ 2772.764547][ T5008] ? __kasan_check_write+0x14/0x20 [ 2772.769606][ T5008] kobject_uevent+0x1f/0x30 [ 2772.773941][ T5008] device_add+0x791/0xbc0 [ 2772.778127][ T5008] device_create+0x259/0x2e0 [ 2772.782529][ T5008] ? root_device_unregister+0x80/0x80 [ 2772.787735][ T5008] ? memset+0x35/0x40 [ 2772.791554][ T5008] ? number+0xb5a/0xf80 [ 2772.795561][ T5008] bdi_register_va+0x93/0x610 [ 2772.800112][ T5008] bdi_register+0xd1/0x120 [ 2772.804433][ T5008] ? vsnprintf+0x1e1/0x1c70 [ 2772.808748][ T5008] ? __device_add_disk+0x552/0x11a0 [ 2772.813778][ T5008] ? bdi_register_va+0x610/0x610 [ 2772.818551][ T5008] ? __kasan_check_read+0x11/0x20 [ 2772.823669][ T5008] ? blk_alloc_devt+0xd7/0x330 [ 2772.828267][ T5008] __device_add_disk+0x5de/0x11a0 [ 2772.833129][ T5008] ? device_add_disk+0x40/0x40 [ 2772.837737][ T5008] ? vsprintf+0x40/0x40 [ 2772.841720][ T5008] ? device_initialize+0x1e1/0x420 [ 2772.846668][ T5008] device_add_disk+0x2a/0x40 [ 2772.851092][ T5008] loop_add+0x580/0x750 [ 2772.855097][ T5008] loop_control_ioctl+0x448/0x620 [ 2772.859950][ T5008] ? loop_remove+0xb0/0xb0 [ 2772.864206][ T5008] ? __fget_files+0x31e/0x380 [ 2772.868895][ T5008] ? security_file_ioctl+0x84/0xb0 [ 2772.873834][ T5008] ? loop_remove+0xb0/0xb0 [ 2772.878087][ T5008] __se_sys_ioctl+0x114/0x190 [ 2772.882620][ T5008] __x64_sys_ioctl+0x7b/0x90 [ 2772.887212][ T5008] do_syscall_64+0x34/0x70 [ 2772.891455][ T5008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2772.897352][ T5008] RIP: 0033:0x7f21011fbba9 [ 2772.901629][ T5008] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2772.921062][ T5008] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2772.929324][ T5008] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2772.937235][ T5008] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:41 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) 00:51:41 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 67) [ 2772.945170][ T5008] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2772.952963][ T5008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2772.960774][ T5008] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:41 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r3) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) 00:51:41 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2c00}, 0x0) 00:51:41 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2772.998011][ T5024] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2773.028033][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2773.033311][ T5026] FAULT_INJECTION: forcing a failure. 00:51:41 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:41 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2773.033311][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 2773.052113][ T5026] CPU: 0 PID: 5026 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2773.063577][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2773.073465][ T5026] Call Trace: [ 2773.076766][ T5026] dump_stack_lvl+0x1e2/0x24b [ 2773.081281][ T5026] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2773.086564][ T5026] ? kobject_uevent_env+0x525/0x700 [ 2773.091612][ T5026] ? kfree+0xc3/0x270 [ 2773.095516][ T5026] dump_stack+0x15/0x17 [ 2773.099503][ T5026] should_fail+0x3c6/0x510 [ 2773.103750][ T5026] ? __d_alloc+0x2d/0x6c0 [ 2773.107917][ T5026] __should_failslab+0xa4/0xe0 [ 2773.112516][ T5026] should_failslab+0x9/0x20 [ 2773.116860][ T5026] kmem_cache_alloc+0x3d/0x2e0 [ 2773.121459][ T5026] __d_alloc+0x2d/0x6c0 [ 2773.125465][ T5026] d_alloc_parallel+0xe7/0x12f0 [ 2773.130219][ T5026] ? avc_denied+0x1b0/0x1b0 [ 2773.134578][ T5026] ? debug_smp_processor_id+0x17/0x20 [ 2773.139768][ T5026] ? selinux_inode_permission+0x449/0x690 [ 2773.145319][ T5026] ? d_hash_and_lookup+0x1e0/0x1e0 [ 2773.150273][ T5026] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 2773.155919][ T5026] ? __kasan_slab_free+0x11/0x20 [ 2773.160704][ T5026] ? __kasan_check_write+0x14/0x20 [ 2773.165765][ T5026] __lookup_slow+0x154/0x400 [ 2773.170206][ T5026] ? lookup_one_len+0x2c0/0x2c0 [ 2773.174863][ T5026] ? lookup_one_len_common+0x2f1/0x450 [ 2773.180152][ T5026] lookup_one_len+0x180/0x2c0 [ 2773.184672][ T5026] ? __kasan_check_write+0x14/0x20 [ 2773.189614][ T5026] ? lookup_one_len_common+0x450/0x450 [ 2773.195040][ T5026] ? device_create+0x2bd/0x2e0 [ 2773.199629][ T5026] ? mntput+0x64/0xc0 [ 2773.203448][ T5026] ? simple_pin_fs+0x99/0x160 [ 2773.208017][ T5026] start_creating+0x161/0x2f0 [ 2773.212473][ T5026] debugfs_create_dir+0x27/0x450 [ 2773.217344][ T5026] ? number+0xb5a/0xf80 [ 2773.221322][ T5026] bdi_register_va+0x25b/0x610 [ 2773.225926][ T5026] bdi_register+0xd1/0x120 [ 2773.230178][ T5026] ? vsnprintf+0x1e1/0x1c70 [ 2773.234514][ T5026] ? __device_add_disk+0x552/0x11a0 [ 2773.239556][ T5026] ? bdi_register_va+0x610/0x610 [ 2773.244325][ T5026] ? __kasan_check_read+0x11/0x20 [ 2773.249201][ T5026] ? blk_alloc_devt+0xd7/0x330 [ 2773.253786][ T5026] __device_add_disk+0x5de/0x11a0 [ 2773.258644][ T5026] ? device_add_disk+0x40/0x40 [ 2773.263242][ T5026] ? vsprintf+0x40/0x40 [ 2773.267238][ T5026] ? device_initialize+0x1e1/0x420 [ 2773.272274][ T5026] device_add_disk+0x2a/0x40 [ 2773.276699][ T5026] loop_add+0x580/0x750 [ 2773.280689][ T5026] loop_control_ioctl+0x448/0x620 [ 2773.285567][ T5026] ? loop_remove+0xb0/0xb0 [ 2773.289803][ T5026] ? __fget_files+0x31e/0x380 [ 2773.294409][ T5026] ? security_file_ioctl+0x84/0xb0 [ 2773.299365][ T5026] ? loop_remove+0xb0/0xb0 [ 2773.303606][ T5026] __se_sys_ioctl+0x114/0x190 [ 2773.308116][ T5026] __x64_sys_ioctl+0x7b/0x90 [ 2773.312546][ T5026] do_syscall_64+0x34/0x70 [ 2773.316972][ T5026] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2773.323007][ T5026] RIP: 0033:0x7f21011fbba9 [ 2773.327260][ T5026] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2773.346785][ T5026] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2773.355029][ T5026] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2773.362923][ T5026] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2773.370734][ T5026] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2773.378546][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2773.386371][ T5026] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:41 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 68) 00:51:41 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r3) r5 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f0000000400)={@private1, 0x0, r6}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x7c, r4, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x50}, 0x840) r7 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r7, 0x4c80, 0x1) 00:51:41 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2c01}, 0x0) [ 2773.407650][ T5034] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:41 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:41 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:41 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2773.455339][ T5040] FAULT_INJECTION: forcing a failure. [ 2773.455339][ T5040] name failslab, interval 1, probability 0, space 0, times 0 [ 2773.468350][ T5040] CPU: 1 PID: 5040 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2773.479717][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2773.489596][ T5040] Call Trace: [ 2773.492738][ T5040] dump_stack_lvl+0x1e2/0x24b [ 2773.497250][ T5040] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2773.502535][ T5040] ? __lookup_slow+0x2fe/0x400 [ 2773.507136][ T5040] dump_stack+0x15/0x17 [ 2773.511142][ T5040] should_fail+0x3c6/0x510 [ 2773.515421][ T5040] ? new_inode_pseudo+0x7c/0x220 [ 2773.520157][ T5040] __should_failslab+0xa4/0xe0 [ 2773.524771][ T5040] should_failslab+0x9/0x20 [ 2773.529114][ T5040] kmem_cache_alloc+0x3d/0x2e0 [ 2773.533692][ T5040] ? lookup_one_len_common+0x450/0x450 [ 2773.538998][ T5040] ? device_create+0x2bd/0x2e0 [ 2773.543588][ T5040] new_inode_pseudo+0x7c/0x220 [ 2773.548189][ T5040] new_inode+0x28/0x1c0 [ 2773.552264][ T5040] ? start_creating+0x1d4/0x2f0 [ 2773.556959][ T5040] debugfs_create_dir+0xf4/0x450 [ 2773.561724][ T5040] ? number+0xb5a/0xf80 [ 2773.565721][ T5040] bdi_register_va+0x25b/0x610 [ 2773.570318][ T5040] bdi_register+0xd1/0x120 [ 2773.574573][ T5040] ? vsnprintf+0x1e1/0x1c70 [ 2773.579089][ T5040] ? __device_add_disk+0x552/0x11a0 [ 2773.584119][ T5040] ? bdi_register_va+0x610/0x610 [ 2773.588894][ T5040] ? __kasan_check_read+0x11/0x20 [ 2773.593752][ T5040] ? blk_alloc_devt+0xd7/0x330 [ 2773.598368][ T5040] __device_add_disk+0x5de/0x11a0 [ 2773.603218][ T5040] ? device_add_disk+0x40/0x40 [ 2773.607815][ T5040] ? vsprintf+0x40/0x40 [ 2773.611810][ T5040] ? device_initialize+0x1e1/0x420 [ 2773.616755][ T5040] device_add_disk+0x2a/0x40 [ 2773.621192][ T5040] loop_add+0x580/0x750 [ 2773.625174][ T5040] loop_control_ioctl+0x448/0x620 [ 2773.630032][ T5040] ? loop_remove+0xb0/0xb0 [ 2773.634284][ T5040] ? __fget_files+0x31e/0x380 [ 2773.638802][ T5040] ? security_file_ioctl+0x84/0xb0 [ 2773.643747][ T5040] ? loop_remove+0xb0/0xb0 [ 2773.647999][ T5040] __se_sys_ioctl+0x114/0x190 [ 2773.652618][ T5040] __x64_sys_ioctl+0x7b/0x90 [ 2773.657027][ T5040] do_syscall_64+0x34/0x70 [ 2773.661308][ T5040] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2773.667005][ T5040] RIP: 0033:0x7f21011fbba9 [ 2773.671259][ T5040] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2773.690699][ T5040] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2773.698955][ T5040] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2773.706765][ T5040] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2773.714565][ T5040] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2773.722379][ T5040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2773.730186][ T5040] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2773.740968][ T5040] debugfs: out of free dentries, can not create directory '7:0' 00:51:41 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 69) 00:51:41 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2c02}, 0x0) [ 2773.762899][ T5050] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 00:51:41 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:41 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r2) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000400)={@private1, 0x0, r4}) r5 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r5, 0x4c80, 0x1) 00:51:41 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:41 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2c03}, 0x0) [ 2773.818289][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2773.834676][ T5054] FAULT_INJECTION: forcing a failure. [ 2773.834676][ T5054] name failslab, interval 1, probability 0, space 0, times 0 [ 2773.850059][ T5054] CPU: 0 PID: 5054 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2773.861638][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2773.871522][ T5054] Call Trace: [ 2773.874654][ T5054] dump_stack_lvl+0x1e2/0x24b [ 2773.879167][ T5054] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2773.884460][ T5054] ? kobject_uevent_env+0x525/0x700 [ 2773.889598][ T5054] ? kfree+0xc3/0x270 [ 2773.893453][ T5054] dump_stack+0x15/0x17 [ 2773.897507][ T5054] should_fail+0x3c6/0x510 [ 2773.901841][ T5054] ? __d_alloc+0x2d/0x6c0 [ 2773.905986][ T5054] __should_failslab+0xa4/0xe0 [ 2773.910588][ T5054] should_failslab+0x9/0x20 [ 2773.914926][ T5054] kmem_cache_alloc+0x3d/0x2e0 [ 2773.919541][ T5054] __d_alloc+0x2d/0x6c0 [ 2773.923518][ T5054] d_alloc_parallel+0xe7/0x12f0 [ 2773.928208][ T5054] ? avc_denied+0x1b0/0x1b0 [ 2773.932546][ T5054] ? debug_smp_processor_id+0x17/0x20 [ 2773.937798][ T5054] ? selinux_inode_permission+0x449/0x690 [ 2773.943310][ T5054] ? d_hash_and_lookup+0x1e0/0x1e0 [ 2773.948255][ T5054] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 2773.953895][ T5054] ? __kasan_slab_free+0x11/0x20 [ 2773.958671][ T5054] ? __kasan_check_write+0x14/0x20 [ 2773.963628][ T5054] __lookup_slow+0x154/0x400 [ 2773.968051][ T5054] ? lookup_one_len+0x2c0/0x2c0 [ 2773.972734][ T5054] ? lookup_one_len_common+0x2f1/0x450 [ 2773.978036][ T5054] lookup_one_len+0x180/0x2c0 [ 2773.982543][ T5054] ? __kasan_check_write+0x14/0x20 [ 2773.987643][ T5054] ? lookup_one_len_common+0x450/0x450 [ 2773.992934][ T5054] ? device_create+0x2bd/0x2e0 [ 2773.997526][ T5054] ? mntput+0x64/0xc0 [ 2774.001345][ T5054] ? simple_pin_fs+0x99/0x160 [ 2774.005864][ T5054] start_creating+0x161/0x2f0 [ 2774.010368][ T5054] debugfs_create_dir+0x27/0x450 [ 2774.015147][ T5054] ? number+0xb5a/0xf80 [ 2774.019131][ T5054] bdi_register_va+0x25b/0x610 [ 2774.023746][ T5054] bdi_register+0xd1/0x120 [ 2774.027979][ T5054] ? vsnprintf+0x1e1/0x1c70 [ 2774.032320][ T5054] ? __device_add_disk+0x552/0x11a0 [ 2774.037355][ T5054] ? bdi_register_va+0x610/0x610 [ 2774.042125][ T5054] ? __kasan_check_read+0x11/0x20 [ 2774.047073][ T5054] ? blk_alloc_devt+0xd7/0x330 [ 2774.051772][ T5054] __device_add_disk+0x5de/0x11a0 [ 2774.056622][ T5054] ? device_add_disk+0x40/0x40 [ 2774.061216][ T5054] ? vsprintf+0x40/0x40 [ 2774.065213][ T5054] ? device_initialize+0x1e1/0x420 [ 2774.070158][ T5054] device_add_disk+0x2a/0x40 [ 2774.074583][ T5054] loop_add+0x580/0x750 [ 2774.078590][ T5054] loop_control_ioctl+0x448/0x620 [ 2774.083437][ T5054] ? loop_remove+0xb0/0xb0 [ 2774.087693][ T5054] ? __fget_files+0x31e/0x380 [ 2774.092293][ T5054] ? security_file_ioctl+0x84/0xb0 [ 2774.097235][ T5054] ? loop_remove+0xb0/0xb0 [ 2774.101491][ T5054] __se_sys_ioctl+0x114/0x190 [ 2774.106004][ T5054] __x64_sys_ioctl+0x7b/0x90 [ 2774.110532][ T5054] do_syscall_64+0x34/0x70 [ 2774.114782][ T5054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2774.120507][ T5054] RIP: 0033:0x7f21011fbba9 [ 2774.124760][ T5054] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2774.144294][ T5054] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2774.152543][ T5054] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2774.160355][ T5054] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:42 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r6 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r6) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:42 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 70) [ 2774.168241][ T5054] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2774.176075][ T5054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2774.183872][ T5054] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:42 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2d00}, 0x0) 00:51:42 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:42 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2d01}, 0x0) [ 2774.253298][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2774.268481][ T5069] FAULT_INJECTION: forcing a failure. [ 2774.268481][ T5069] name failslab, interval 1, probability 0, space 0, times 0 [ 2774.282826][ T5069] CPU: 1 PID: 5069 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2774.294284][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2774.304180][ T5069] Call Trace: [ 2774.307305][ T5069] dump_stack_lvl+0x1e2/0x24b [ 2774.311829][ T5069] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2774.317110][ T5069] ? kobject_uevent_env+0x525/0x700 [ 2774.322183][ T5069] ? kfree+0xc3/0x270 [ 2774.325956][ T5069] dump_stack+0x15/0x17 [ 2774.329963][ T5069] should_fail+0x3c6/0x510 [ 2774.334201][ T5069] ? __d_alloc+0x2d/0x6c0 [ 2774.338384][ T5069] __should_failslab+0xa4/0xe0 [ 2774.342968][ T5069] should_failslab+0x9/0x20 [ 2774.347316][ T5069] kmem_cache_alloc+0x3d/0x2e0 [ 2774.351919][ T5069] __d_alloc+0x2d/0x6c0 [ 2774.355909][ T5069] d_alloc_parallel+0xe7/0x12f0 [ 2774.360610][ T5069] ? avc_denied+0x1b0/0x1b0 [ 2774.364942][ T5069] ? debug_smp_processor_id+0x17/0x20 [ 2774.370150][ T5069] ? selinux_inode_permission+0x449/0x690 [ 2774.375696][ T5069] ? d_hash_and_lookup+0x1e0/0x1e0 [ 2774.380638][ T5069] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 2774.386277][ T5069] ? __kasan_slab_free+0x11/0x20 [ 2774.391064][ T5069] ? __kasan_check_write+0x14/0x20 [ 2774.396000][ T5069] __lookup_slow+0x154/0x400 [ 2774.400608][ T5069] ? lookup_one_len+0x2c0/0x2c0 [ 2774.405299][ T5069] ? lookup_one_len_common+0x2f1/0x450 [ 2774.410628][ T5069] lookup_one_len+0x180/0x2c0 [ 2774.415095][ T5069] ? __kasan_check_write+0x14/0x20 [ 2774.420043][ T5069] ? lookup_one_len_common+0x450/0x450 [ 2774.425337][ T5069] ? device_create+0x2bd/0x2e0 [ 2774.430045][ T5069] ? mntput+0x64/0xc0 [ 2774.433840][ T5069] ? simple_pin_fs+0x99/0x160 [ 2774.438459][ T5069] start_creating+0x161/0x2f0 [ 2774.443069][ T5069] debugfs_create_dir+0x27/0x450 [ 2774.447835][ T5069] ? number+0xb5a/0xf80 [ 2774.451830][ T5069] bdi_register_va+0x25b/0x610 [ 2774.456601][ T5069] bdi_register+0xd1/0x120 [ 2774.460849][ T5069] ? vsnprintf+0x1e1/0x1c70 [ 2774.465188][ T5069] ? __device_add_disk+0x552/0x11a0 [ 2774.470224][ T5069] ? bdi_register_va+0x610/0x610 [ 2774.475012][ T5069] ? __kasan_check_read+0x11/0x20 [ 2774.479858][ T5069] ? blk_alloc_devt+0xd7/0x330 [ 2774.484460][ T5069] __device_add_disk+0x5de/0x11a0 [ 2774.489321][ T5069] ? device_add_disk+0x40/0x40 [ 2774.493926][ T5069] ? vsprintf+0x40/0x40 [ 2774.497944][ T5069] ? device_initialize+0x1e1/0x420 [ 2774.502871][ T5069] device_add_disk+0x2a/0x40 [ 2774.507299][ T5069] loop_add+0x580/0x750 [ 2774.511277][ T5069] loop_control_ioctl+0x448/0x620 [ 2774.516136][ T5069] ? loop_remove+0xb0/0xb0 [ 2774.520390][ T5069] ? __fget_files+0x31e/0x380 [ 2774.524921][ T5069] ? security_file_ioctl+0x84/0xb0 [ 2774.529848][ T5069] ? loop_remove+0xb0/0xb0 [ 2774.534114][ T5069] __se_sys_ioctl+0x114/0x190 [ 2774.538715][ T5069] __x64_sys_ioctl+0x7b/0x90 [ 2774.543259][ T5069] do_syscall_64+0x34/0x70 [ 2774.547483][ T5069] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2774.553300][ T5069] RIP: 0033:0x7f21011fbba9 [ 2774.557544][ T5069] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2774.576978][ T5069] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2774.585227][ T5069] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2774.593037][ T5069] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:42 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) 00:51:42 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r2) r3 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0x1) 00:51:42 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2d02}, 0x0) 00:51:42 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 71) [ 2774.600845][ T5069] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2774.608675][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2774.616552][ T5069] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:42 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:42 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:42 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r3) [ 2774.660682][ T5083] FAULT_INJECTION: forcing a failure. [ 2774.660682][ T5083] name failslab, interval 1, probability 0, space 0, times 0 [ 2774.679088][ T5083] CPU: 1 PID: 5083 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2774.690546][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2774.700432][ T5083] Call Trace: [ 2774.703568][ T5083] dump_stack_lvl+0x1e2/0x24b [ 2774.708075][ T5083] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2774.713393][ T5083] dump_stack+0x15/0x17 [ 2774.717464][ T5083] should_fail+0x3c6/0x510 [ 2774.721709][ T5083] ? security_inode_alloc+0x29/0x120 [ 2774.726936][ T5083] __should_failslab+0xa4/0xe0 [ 2774.731520][ T5083] should_failslab+0x9/0x20 [ 2774.735855][ T5083] kmem_cache_alloc+0x3d/0x2e0 [ 2774.740510][ T5083] ? from_kuid_munged+0x7b0/0x7b0 [ 2774.745326][ T5083] security_inode_alloc+0x29/0x120 [ 2774.750265][ T5083] inode_init_always+0x767/0x9f0 [ 2774.755070][ T5083] new_inode_pseudo+0x93/0x220 [ 2774.759687][ T5083] new_inode+0x28/0x1c0 [ 2774.763648][ T5083] ? start_creating+0x1d4/0x2f0 [ 2774.768313][ T5083] debugfs_create_dir+0xf4/0x450 [ 2774.773083][ T5083] ? number+0xb5a/0xf80 [ 2774.777080][ T5083] bdi_register_va+0x25b/0x610 [ 2774.781686][ T5083] bdi_register+0xd1/0x120 [ 2774.785936][ T5083] ? vsnprintf+0x1e1/0x1c70 [ 2774.790270][ T5083] ? __device_add_disk+0x552/0x11a0 [ 2774.795305][ T5083] ? bdi_register_va+0x610/0x610 [ 2774.800162][ T5083] ? __kasan_check_read+0x11/0x20 [ 2774.805042][ T5083] ? blk_alloc_devt+0xd7/0x330 [ 2774.809624][ T5083] __device_add_disk+0x5de/0x11a0 [ 2774.814502][ T5083] ? device_add_disk+0x40/0x40 [ 2774.819087][ T5083] ? vsprintf+0x40/0x40 [ 2774.823081][ T5083] ? device_initialize+0x1e1/0x420 [ 2774.828026][ T5083] device_add_disk+0x2a/0x40 [ 2774.832449][ T5083] loop_add+0x580/0x750 [ 2774.836450][ T5083] loop_control_ioctl+0x448/0x620 [ 2774.841300][ T5083] ? loop_remove+0xb0/0xb0 [ 2774.845556][ T5083] ? __fget_files+0x31e/0x380 [ 2774.850164][ T5083] ? security_file_ioctl+0x84/0xb0 [ 2774.855108][ T5083] ? loop_remove+0xb0/0xb0 [ 2774.859364][ T5083] __se_sys_ioctl+0x114/0x190 [ 2774.863868][ T5083] __x64_sys_ioctl+0x7b/0x90 [ 2774.868298][ T5083] do_syscall_64+0x34/0x70 [ 2774.872775][ T5083] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2774.878931][ T5083] RIP: 0033:0x7f21011fbba9 [ 2774.883179][ T5083] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2774.902729][ T5083] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:43 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 72) 00:51:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2d03}, 0x0) 00:51:43 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r3) [ 2774.911399][ T5083] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2774.919211][ T5083] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2774.927025][ T5083] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2774.934916][ T5083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2774.942729][ T5083] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2774.951716][ T5083] debugfs: out of free dentries, can not create directory '7:0' 00:51:43 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r2) socket$inet6_udp(0xa, 0x2, 0x0) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x1) 00:51:43 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:43 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2774.998712][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2775.030510][ T5102] FAULT_INJECTION: forcing a failure. [ 2775.030510][ T5102] name failslab, interval 1, probability 0, space 0, times 0 00:51:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2e00}, 0x0) 00:51:43 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r3) [ 2775.045681][ T5102] CPU: 0 PID: 5102 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2775.057221][ T5102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2775.067195][ T5102] Call Trace: [ 2775.070335][ T5102] dump_stack_lvl+0x1e2/0x24b [ 2775.074867][ T5102] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2775.080140][ T5102] dump_stack+0x15/0x17 [ 2775.084125][ T5102] should_fail+0x3c6/0x510 [ 2775.088385][ T5102] ? security_inode_alloc+0x29/0x120 [ 2775.093506][ T5102] __should_failslab+0xa4/0xe0 [ 2775.098103][ T5102] should_failslab+0x9/0x20 [ 2775.102441][ T5102] kmem_cache_alloc+0x3d/0x2e0 [ 2775.107132][ T5102] ? from_kuid_munged+0x7b0/0x7b0 [ 2775.111994][ T5102] security_inode_alloc+0x29/0x120 [ 2775.116936][ T5102] inode_init_always+0x767/0x9f0 [ 2775.121716][ T5102] new_inode_pseudo+0x93/0x220 [ 2775.126308][ T5102] new_inode+0x28/0x1c0 [ 2775.130307][ T5102] ? start_creating+0x1d4/0x2f0 [ 2775.135000][ T5102] debugfs_create_dir+0xf4/0x450 [ 2775.139764][ T5102] ? number+0xb5a/0xf80 [ 2775.143767][ T5102] bdi_register_va+0x25b/0x610 [ 2775.148444][ T5102] bdi_register+0xd1/0x120 [ 2775.152707][ T5102] ? vsnprintf+0x1e1/0x1c70 [ 2775.157056][ T5102] ? __device_add_disk+0x552/0x11a0 [ 2775.162328][ T5102] ? bdi_register_va+0x610/0x610 [ 2775.167207][ T5102] ? __kasan_check_read+0x11/0x20 [ 2775.172168][ T5102] ? blk_alloc_devt+0xd7/0x330 [ 2775.176781][ T5102] __device_add_disk+0x5de/0x11a0 [ 2775.181634][ T5102] ? device_add_disk+0x40/0x40 [ 2775.186229][ T5102] ? vsprintf+0x40/0x40 [ 2775.190235][ T5102] ? device_initialize+0x1e1/0x420 [ 2775.195377][ T5102] device_add_disk+0x2a/0x40 [ 2775.199801][ T5102] loop_add+0x580/0x750 [ 2775.203982][ T5102] loop_control_ioctl+0x448/0x620 [ 2775.208830][ T5102] ? loop_remove+0xb0/0xb0 [ 2775.213081][ T5102] ? __fget_files+0x31e/0x380 [ 2775.217686][ T5102] ? security_file_ioctl+0x84/0xb0 [ 2775.222634][ T5102] ? loop_remove+0xb0/0xb0 [ 2775.226885][ T5102] __se_sys_ioctl+0x114/0x190 [ 2775.231412][ T5102] __x64_sys_ioctl+0x7b/0x90 [ 2775.235827][ T5102] do_syscall_64+0x34/0x70 [ 2775.240090][ T5102] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2775.245799][ T5102] RIP: 0033:0x7f21011fbba9 [ 2775.250064][ T5102] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2775.269511][ T5102] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2775.277927][ T5102] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2775.285723][ T5102] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 00:51:43 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 73) [ 2775.293544][ T5102] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2775.301356][ T5102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2775.309249][ T5102] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2775.317413][ T5102] debugfs: out of free dentries, can not create directory '7:0' 00:51:43 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r2) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x1) 00:51:43 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:43 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r3) 00:51:43 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2775.375462][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2e01}, 0x0) 00:51:43 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r2) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x1) [ 2775.417686][ T5117] FAULT_INJECTION: forcing a failure. [ 2775.417686][ T5117] name failslab, interval 1, probability 0, space 0, times 0 [ 2775.432966][ T5117] CPU: 0 PID: 5117 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2775.444413][ T5117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2775.454302][ T5117] Call Trace: [ 2775.457438][ T5117] dump_stack_lvl+0x1e2/0x24b [ 2775.461974][ T5117] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2775.467249][ T5117] ? stack_trace_save+0x113/0x1c0 [ 2775.472146][ T5117] dump_stack+0x15/0x17 [ 2775.476098][ T5117] should_fail+0x3c6/0x510 [ 2775.480446][ T5117] ? __d_alloc+0x2d/0x6c0 [ 2775.484608][ T5117] __should_failslab+0xa4/0xe0 [ 2775.489202][ T5117] should_failslab+0x9/0x20 [ 2775.493549][ T5117] kmem_cache_alloc+0x3d/0x2e0 [ 2775.498226][ T5117] __d_alloc+0x2d/0x6c0 [ 2775.502306][ T5117] d_alloc_parallel+0xe7/0x12f0 [ 2775.506992][ T5117] ? avc_denied+0x1b0/0x1b0 [ 2775.511331][ T5117] ? slab_post_alloc_hook+0x61/0x2f0 [ 2775.516546][ T5117] ? selinux_inode_permission+0x449/0x690 [ 2775.522099][ T5117] ? d_hash_and_lookup+0x1e0/0x1e0 [ 2775.527043][ T5117] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 2775.532725][ T5117] ? __kasan_check_write+0x14/0x20 [ 2775.537630][ T5117] ? _raw_spin_lock+0xa4/0x1b0 [ 2775.542252][ T5117] ? _raw_spin_trylock_bh+0x190/0x190 [ 2775.547438][ T5117] ? lockref_put_or_lock+0x1f6/0x2b0 [ 2775.552615][ T5117] __lookup_slow+0x154/0x400 [ 2775.556984][ T5117] ? lookup_one_len+0x2c0/0x2c0 [ 2775.561675][ T5117] ? lookup_one_len_common+0x2f1/0x450 [ 2775.567065][ T5117] lookup_one_len+0x180/0x2c0 [ 2775.571567][ T5117] ? __kasan_check_write+0x14/0x20 [ 2775.576603][ T5117] ? lookup_one_len_common+0x450/0x450 [ 2775.581893][ T5117] ? simple_pin_fs+0x99/0x160 [ 2775.586407][ T5117] start_creating+0x161/0x2f0 [ 2775.590921][ T5117] __debugfs_create_file+0x75/0x4c0 [ 2775.595954][ T5117] ? up_write+0x59/0x120 [ 2775.600033][ T5117] debugfs_create_file+0x4a/0x60 [ 2775.605088][ T5117] bdi_register_va+0x2a6/0x610 [ 2775.609689][ T5117] bdi_register+0xd1/0x120 [ 2775.613936][ T5117] ? vsnprintf+0x1e1/0x1c70 [ 2775.618277][ T5117] ? __device_add_disk+0x552/0x11a0 [ 2775.623314][ T5117] ? bdi_register_va+0x610/0x610 [ 2775.628083][ T5117] ? __kasan_check_read+0x11/0x20 [ 2775.632949][ T5117] ? blk_alloc_devt+0xd7/0x330 [ 2775.637652][ T5117] __device_add_disk+0x5de/0x11a0 [ 2775.642488][ T5117] ? device_add_disk+0x40/0x40 [ 2775.647091][ T5117] ? vsprintf+0x40/0x40 [ 2775.651256][ T5117] ? device_initialize+0x1e1/0x420 [ 2775.656203][ T5117] device_add_disk+0x2a/0x40 [ 2775.660713][ T5117] loop_add+0x580/0x750 [ 2775.664704][ T5117] loop_control_ioctl+0x448/0x620 [ 2775.669754][ T5117] ? loop_remove+0xb0/0xb0 [ 2775.674001][ T5117] ? __fget_files+0x31e/0x380 [ 2775.678522][ T5117] ? security_file_ioctl+0x84/0xb0 [ 2775.683635][ T5117] ? loop_remove+0xb0/0xb0 [ 2775.688327][ T5117] __se_sys_ioctl+0x114/0x190 [ 2775.692835][ T5117] __x64_sys_ioctl+0x7b/0x90 [ 2775.697352][ T5117] do_syscall_64+0x34/0x70 [ 2775.701696][ T5117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2775.707419][ T5117] RIP: 0033:0x7f21011fbba9 [ 2775.711677][ T5117] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2775.731112][ T5117] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2775.739445][ T5117] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2775.747341][ T5117] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2775.755150][ T5117] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 00:51:43 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 74) [ 2775.762963][ T5117] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2775.770781][ T5117] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2e02}, 0x0) 00:51:43 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2e03}, 0x0) 00:51:44 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r3) [ 2775.853885][ T5134] FAULT_INJECTION: forcing a failure. [ 2775.853885][ T5134] name failslab, interval 1, probability 0, space 0, times 0 [ 2775.866446][ T5134] CPU: 0 PID: 5134 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2775.877894][ T5134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2775.887895][ T5134] Call Trace: [ 2775.891026][ T5134] dump_stack_lvl+0x1e2/0x24b [ 2775.895536][ T5134] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2775.900833][ T5134] dump_stack+0x15/0x17 [ 2775.904981][ T5134] should_fail+0x3c6/0x510 [ 2775.909164][ T5134] ? security_inode_alloc+0x29/0x120 [ 2775.914284][ T5134] __should_failslab+0xa4/0xe0 [ 2775.918976][ T5134] should_failslab+0x9/0x20 [ 2775.923311][ T5134] kmem_cache_alloc+0x3d/0x2e0 [ 2775.927915][ T5134] ? from_kuid_munged+0x7b0/0x7b0 [ 2775.932774][ T5134] security_inode_alloc+0x29/0x120 [ 2775.937725][ T5134] inode_init_always+0x767/0x9f0 [ 2775.942583][ T5134] new_inode_pseudo+0x93/0x220 [ 2775.947183][ T5134] new_inode+0x28/0x1c0 [ 2775.951170][ T5134] ? start_creating+0x1d4/0x2f0 [ 2775.955856][ T5134] debugfs_create_dir+0xf4/0x450 [ 2775.960630][ T5134] ? number+0xb5a/0xf80 [ 2775.964646][ T5134] bdi_register_va+0x25b/0x610 [ 2775.969225][ T5134] bdi_register+0xd1/0x120 [ 2775.973474][ T5134] ? vsnprintf+0x1e1/0x1c70 [ 2775.977815][ T5134] ? __device_add_disk+0x552/0x11a0 [ 2775.982872][ T5134] ? bdi_register_va+0x610/0x610 [ 2775.987670][ T5134] ? __kasan_check_read+0x11/0x20 [ 2775.992483][ T5134] ? blk_alloc_devt+0xd7/0x330 [ 2775.997085][ T5134] __device_add_disk+0x5de/0x11a0 [ 2776.001949][ T5134] ? device_add_disk+0x40/0x40 [ 2776.006544][ T5134] ? vsprintf+0x40/0x40 [ 2776.010535][ T5134] ? device_initialize+0x1e1/0x420 [ 2776.015482][ T5134] device_add_disk+0x2a/0x40 [ 2776.019908][ T5134] loop_add+0x580/0x750 [ 2776.023902][ T5134] loop_control_ioctl+0x448/0x620 [ 2776.028759][ T5134] ? loop_remove+0xb0/0xb0 [ 2776.033013][ T5134] ? __fget_files+0x31e/0x380 [ 2776.037533][ T5134] ? security_file_ioctl+0x84/0xb0 [ 2776.042475][ T5134] ? loop_remove+0xb0/0xb0 [ 2776.046726][ T5134] __se_sys_ioctl+0x114/0x190 [ 2776.051242][ T5134] __x64_sys_ioctl+0x7b/0x90 [ 2776.055810][ T5134] do_syscall_64+0x34/0x70 [ 2776.060040][ T5134] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2776.065765][ T5134] RIP: 0033:0x7f21011fbba9 [ 2776.070022][ T5134] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2776.089549][ T5134] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:44 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r2) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x1) 00:51:44 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 75) 00:51:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2f00}, 0x0) [ 2776.097893][ T5134] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2776.105705][ T5134] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2776.113509][ T5134] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2776.121320][ T5134] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2776.129140][ T5134] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2776.139745][ T5134] debugfs: out of free dentries, can not create directory '7:0' 00:51:44 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r3) 00:51:44 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0), 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x1) 00:51:44 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x90, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x90}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2f01}, 0x0) 00:51:44 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2776.214008][ T5158] FAULT_INJECTION: forcing a failure. [ 2776.214008][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 2776.232885][ T5158] CPU: 0 PID: 5158 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2776.244334][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2776.254249][ T5158] Call Trace: [ 2776.257362][ T5158] dump_stack_lvl+0x1e2/0x24b [ 2776.261875][ T5158] ? panic+0x80b/0x80b [ 2776.265774][ T5158] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2776.271073][ T5158] dump_stack+0x15/0x17 [ 2776.275064][ T5158] should_fail+0x3c6/0x510 [ 2776.279488][ T5158] ? security_inode_alloc+0x29/0x120 [ 2776.284609][ T5158] __should_failslab+0xa4/0xe0 [ 2776.289325][ T5158] should_failslab+0x9/0x20 [ 2776.293674][ T5158] kmem_cache_alloc+0x3d/0x2e0 [ 2776.298278][ T5158] ? slab_post_alloc_hook+0x61/0x2f0 [ 2776.303390][ T5158] security_inode_alloc+0x29/0x120 [ 2776.308424][ T5158] inode_init_always+0x767/0x9f0 [ 2776.313457][ T5158] new_inode_pseudo+0x93/0x220 [ 2776.318053][ T5158] new_inode+0x28/0x1c0 [ 2776.322165][ T5158] ? start_creating+0x1d4/0x2f0 [ 2776.326856][ T5158] __debugfs_create_file+0x14d/0x4c0 [ 2776.331970][ T5158] ? up_write+0x59/0x120 [ 2776.336053][ T5158] debugfs_create_file+0x4a/0x60 [ 2776.340904][ T5158] bdi_register_va+0x2a6/0x610 [ 2776.345519][ T5158] bdi_register+0xd1/0x120 [ 2776.349764][ T5158] ? vsnprintf+0x1e1/0x1c70 [ 2776.354100][ T5158] ? __device_add_disk+0x552/0x11a0 [ 2776.359132][ T5158] ? bdi_register_va+0x610/0x610 [ 2776.363908][ T5158] ? __kasan_check_read+0x11/0x20 [ 2776.368792][ T5158] ? blk_alloc_devt+0xd7/0x330 [ 2776.373540][ T5158] __device_add_disk+0x5de/0x11a0 [ 2776.378317][ T5158] ? device_add_disk+0x40/0x40 [ 2776.383015][ T5158] ? vsprintf+0x40/0x40 [ 2776.386993][ T5158] ? device_initialize+0x1e1/0x420 [ 2776.391940][ T5158] device_add_disk+0x2a/0x40 [ 2776.396364][ T5158] loop_add+0x580/0x750 [ 2776.400356][ T5158] loop_control_ioctl+0x448/0x620 [ 2776.405305][ T5158] ? loop_remove+0xb0/0xb0 [ 2776.409648][ T5158] ? __fget_files+0x31e/0x380 [ 2776.414161][ T5158] ? security_file_ioctl+0x84/0xb0 [ 2776.419104][ T5158] ? loop_remove+0xb0/0xb0 [ 2776.423386][ T5158] __se_sys_ioctl+0x114/0x190 [ 2776.428044][ T5158] __x64_sys_ioctl+0x7b/0x90 [ 2776.432473][ T5158] do_syscall_64+0x34/0x70 [ 2776.436737][ T5158] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2776.442444][ T5158] RIP: 0033:0x7f21011fbba9 [ 2776.446707][ T5158] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2776.466139][ T5158] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2776.474387][ T5158] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2776.482193][ T5158] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2776.490113][ T5158] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2776.498007][ T5158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2776.505936][ T5158] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:44 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 76) 00:51:44 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r3) [ 2776.515607][ T5158] debugfs: out of free dentries, can not create file 'stats' 00:51:44 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x1) 00:51:44 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r3) 00:51:44 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, 0x0, 0x840) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2f02}, 0x0) [ 2776.565704][ T5169] __nla_validate_parse: 11 callbacks suppressed [ 2776.565715][ T5169] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2776.584281][T29091] udevd[29091]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 2776.600282][ T5175] FAULT_INJECTION: forcing a failure. [ 2776.600282][ T5175] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2776.619591][ T5175] CPU: 1 PID: 5175 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2776.631073][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2776.640945][ T5175] Call Trace: [ 2776.644068][ T5175] dump_stack_lvl+0x1e2/0x24b [ 2776.648578][ T5175] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2776.653874][ T5175] dump_stack+0x15/0x17 [ 2776.657866][ T5175] should_fail+0x3c6/0x510 [ 2776.662118][ T5175] should_fail_alloc_page+0x52/0x60 [ 2776.667153][ T5175] __alloc_pages_nodemask+0x1b3/0xaf0 [ 2776.672361][ T5175] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 2776.677757][ T5175] ? __kasan_check_write+0x14/0x20 [ 2776.682684][ T5175] ? lockref_get+0x184/0x220 [ 2776.687114][ T5175] ? __kasan_check_write+0x14/0x20 [ 2776.692062][ T5175] __get_free_pages+0xe/0x30 [ 2776.696487][ T5175] selinux_genfs_get_sid+0x56/0x2a0 [ 2776.701532][ T5175] inode_doinit_with_dentry+0x86f/0x1050 [ 2776.706987][ T5175] ? sb_finish_set_opts+0x7a0/0x7a0 [ 2776.712021][ T5175] ? current_time+0x1af/0x2f0 [ 2776.716534][ T5175] selinux_d_instantiate+0x27/0x40 [ 2776.721482][ T5175] security_d_instantiate+0x9f/0x100 [ 2776.726620][ T5175] d_instantiate+0x55/0x90 [ 2776.730852][ T5175] __debugfs_create_file+0x2e6/0x4c0 [ 2776.735981][ T5175] debugfs_create_file+0x4a/0x60 [ 2776.740764][ T5175] bdi_register_va+0x2a6/0x610 [ 2776.745347][ T5175] bdi_register+0xd1/0x120 [ 2776.749607][ T5175] ? vsnprintf+0x1e1/0x1c70 [ 2776.753949][ T5175] ? __device_add_disk+0x552/0x11a0 [ 2776.758973][ T5175] ? bdi_register_va+0x610/0x610 [ 2776.763756][ T5175] ? __kasan_check_read+0x11/0x20 [ 2776.768707][ T5175] ? blk_alloc_devt+0xd7/0x330 [ 2776.773314][ T5175] __device_add_disk+0x5de/0x11a0 [ 2776.778182][ T5175] ? device_add_disk+0x40/0x40 [ 2776.782769][ T5175] ? vsprintf+0x40/0x40 [ 2776.786761][ T5175] ? device_initialize+0x1e1/0x420 [ 2776.791707][ T5175] device_add_disk+0x2a/0x40 [ 2776.796148][ T5175] loop_add+0x580/0x750 [ 2776.800135][ T5175] loop_control_ioctl+0x448/0x620 [ 2776.805076][ T5175] ? loop_remove+0xb0/0xb0 [ 2776.809326][ T5175] ? __fget_files+0x31e/0x380 [ 2776.813846][ T5175] ? security_file_ioctl+0x84/0xb0 [ 2776.818783][ T5175] ? loop_remove+0xb0/0xb0 [ 2776.823050][ T5175] __se_sys_ioctl+0x114/0x190 [ 2776.827565][ T5175] __x64_sys_ioctl+0x7b/0x90 [ 2776.831996][ T5175] do_syscall_64+0x34/0x70 [ 2776.836235][ T5175] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2776.841971][ T5175] RIP: 0033:0x7f21011fbba9 [ 2776.846228][ T5175] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 00:51:45 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x1) [ 2776.865739][ T5175] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2776.873984][ T5175] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2776.881794][ T5175] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2776.889951][ T5175] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2776.897761][ T5175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2776.905663][ T5175] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 00:51:45 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) (fail_nth: 77) 00:51:45 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x2f03}, 0x0) 00:51:45 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:45 executing program 5: socket$packet(0x11, 0x3, 0x300) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r2) 00:51:45 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) 00:51:45 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x1) [ 2776.926840][ T5186] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2776.938208][T17621] udevd[17621]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory 00:51:45 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x7}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2776.982552][ T5191] FAULT_INJECTION: forcing a failure. [ 2776.982552][ T5191] name failslab, interval 1, probability 0, space 0, times 0 [ 2776.988723][ T5200] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2776.999093][ T5191] CPU: 0 PID: 5191 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2777.015448][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2777.025340][ T5191] Call Trace: [ 2777.028473][ T5191] dump_stack_lvl+0x1e2/0x24b [ 2777.032971][ T5191] ? bfq_pos_tree_add_move+0x43b/0x43b [ 2777.038267][ T5191] ? ____kasan_kmalloc+0xed/0x110 [ 2777.043128][ T5191] ? kobj_map+0x64/0x670 [ 2777.047209][ T5191] ? device_add_disk+0x2a/0x40 [ 2777.051808][ T5191] ? loop_add+0x580/0x750 [ 2777.055970][ T5191] ? loop_control_ioctl+0x448/0x620 [ 2777.061010][ T5191] ? __x64_sys_ioctl+0x7b/0x90 [ 2777.065605][ T5191] dump_stack+0x15/0x17 [ 2777.069606][ T5191] should_fail+0x3c6/0x510 [ 2777.073856][ T5191] ? kvasprintf_const+0x13b/0x190 [ 2777.078724][ T5191] __should_failslab+0xa4/0xe0 [ 2777.083316][ T5191] should_failslab+0x9/0x20 [ 2777.087657][ T5191] __kmalloc_track_caller+0x5f/0x320 [ 2777.092776][ T5191] kstrdup_const+0x55/0x90 [ 2777.097026][ T5191] kvasprintf_const+0x13b/0x190 [ 2777.101714][ T5191] kobject_set_name_vargs+0x61/0x120 [ 2777.107010][ T5191] dev_set_name+0xd1/0x120 [ 2777.111266][ T5191] ? __kasan_kmalloc+0x9/0x10 [ 2777.115770][ T5191] ? get_device+0x30/0x30 [ 2777.119940][ T5191] ? mutex_unlock+0x1c/0x40 [ 2777.124378][ T5191] ? kobj_map+0x62f/0x670 [ 2777.128534][ T5191] __device_add_disk+0x703/0x11a0 [ 2777.133670][ T5191] ? device_add_disk+0x40/0x40 [ 2777.138271][ T5191] ? vsprintf+0x40/0x40 [ 2777.142260][ T5191] ? device_initialize+0x1e1/0x420 [ 2777.147210][ T5191] device_add_disk+0x2a/0x40 [ 2777.151635][ T5191] loop_add+0x580/0x750 [ 2777.155651][ T5191] loop_control_ioctl+0x448/0x620 [ 2777.160487][ T5191] ? loop_remove+0xb0/0xb0 [ 2777.164738][ T5191] ? __fget_files+0x31e/0x380 [ 2777.169260][ T5191] ? security_file_ioctl+0x84/0xb0 [ 2777.174198][ T5191] ? loop_remove+0xb0/0xb0 [ 2777.178453][ T5191] __se_sys_ioctl+0x114/0x190 [ 2777.182964][ T5191] __x64_sys_ioctl+0x7b/0x90 [ 2777.187393][ T5191] do_syscall_64+0x34/0x70 [ 2777.191653][ T5191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2777.197461][ T5191] RIP: 0033:0x7f21011fbba9 [ 2777.201720][ T5191] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2777.221151][ T5191] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 00:51:45 executing program 5: socket$packet(0x11, 0x3, 0x300) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r2) 00:51:45 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x3000}, 0x0) [ 2777.229402][ T5191] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2777.237208][ T5191] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2777.245018][ T5191] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2777.252851][ T5191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2777.260656][ T5191] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2777.269299][ T5191] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 2777.277206][ T5191] ------------[ cut here ]------------ [ 2777.282692][ T5191] WARNING: CPU: 0 PID: 5191 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 2777.292276][ T5191] Modules linked in: [ 2777.296118][ T5191] CPU: 1 PID: 5191 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2777.307639][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2777.317571][ T5191] RIP: 0010:sysfs_create_files+0x325/0x470 [ 2777.323237][ T5191] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 a1 a9 d4 ff e9 a8 fe ff ff e8 97 38 97 ff 31 db e9 ef 00 00 00 e8 8b 38 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 2777.342798][ T5191] RSP: 0018:ffffc90006b07b00 EFLAGS: 00010287 [ 2777.348752][ T5191] RAX: ffffffff81d36e18 RBX: ffff88810a584098 RCX: 0000000000040000 [ 2777.356574][ T5191] RDX: ffffc90003b20000 RSI: 0000000000019965 RDI: 0000000000019966 [ 2777.364365][ T5191] RBP: ffffc90006b07bd0 R08: ffffffff82702597 R09: ffffed10215568c8 [ 2777.372297][ T5191] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 2777.380084][ T5191] R13: ffffffff855f5ca0 R14: dffffc0000000000 R15: ffff88810a584068 [ 2777.388275][ T5191] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 2777.397460][ T5191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2777.403950][ T5191] CR2: 00007f461758bd58 CR3: 000000011a4f4000 CR4: 00000000003506b0 [ 2777.411953][ T5191] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2777.419969][ T5191] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2777.427942][ T5191] Call Trace: [ 2777.431101][ T5191] ? show_regs+0x58/0x60 [ 2777.435163][ T5191] ? __warn+0x160/0x2f0 [ 2777.439201][ T5191] ? sysfs_create_files+0x325/0x470 [ 2777.444224][ T5191] ? report_bug+0x3d9/0x5b0 [ 2777.448819][ T5191] ? sysfs_create_files+0x325/0x470 [ 2777.453802][ T5191] ? handle_bug+0x41/0x70 [ 2777.458012][ T5191] ? exc_invalid_op+0x1b/0x50 [ 2777.462474][ T5191] ? asm_exc_invalid_op+0x12/0x20 [ 2777.467354][ T5191] ? kobject_get+0xc7/0x120 [ 2777.471679][ T5191] ? sysfs_create_files+0x458/0x470 [ 2777.476723][ T5191] ? sysfs_create_files+0x325/0x470 [ 2777.481751][ T5191] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 2777.486989][ T5191] ? __kasan_check_write+0x14/0x20 [ 2777.491895][ T5191] ? kobject_get+0xd1/0x120 [ 2777.496249][ T5191] __device_add_disk+0x9a7/0x11a0 [ 2777.501098][ T5191] ? device_add_disk+0x40/0x40 [ 2777.505682][ T5191] ? vsprintf+0x40/0x40 [ 2777.509723][ T5191] ? device_initialize+0x1e1/0x420 [ 2777.514642][ T5191] device_add_disk+0x2a/0x40 [ 2777.519091][ T5191] loop_add+0x580/0x750 [ 2777.523054][ T5191] loop_control_ioctl+0x448/0x620 [ 2777.527928][ T5191] ? loop_remove+0xb0/0xb0 [ 2777.532320][ T5191] ? __fget_files+0x31e/0x380 [ 2777.536852][ T5191] ? security_file_ioctl+0x84/0xb0 [ 2777.541812][ T5191] ? loop_remove+0xb0/0xb0 [ 2777.546012][ T5191] __se_sys_ioctl+0x114/0x190 [ 2777.550568][ T5191] __x64_sys_ioctl+0x7b/0x90 [ 2777.554968][ T5191] do_syscall_64+0x34/0x70 [ 2777.559233][ T5191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2777.564943][ T5191] RIP: 0033:0x7f21011fbba9 [ 2777.569224][ T5191] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2777.588648][ T5191] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2777.596896][ T5191] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 [ 2777.604705][ T5191] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2777.612515][ T5191] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2777.620293][ T5191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2777.628128][ T5191] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2777.636033][ T5191] ---[ end trace e38559e1ffcc9c7d ]--- [ 2777.641503][ T5191] ------------[ cut here ]------------ [ 2777.646779][ T5191] kernfs: can not remove 'events', no directory [ 2777.653125][ T5191] WARNING: CPU: 1 PID: 5191 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 2777.662725][ T5191] Modules linked in: [ 2777.666649][ T5191] CPU: 1 PID: 5191 Comm: syz-executor.3 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2777.678278][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2777.688181][ T5191] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 2777.694167][ T5191] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 60 97 97 ff 48 c7 c7 80 b8 4a 85 4c 89 fe e8 11 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 43 97 97 ff bb fe ff ff ff 48 c7 c7 [ 2777.713732][ T5191] RSP: 0018:ffffc90006b07ad8 EFLAGS: 00010246 [ 2777.719614][ T5191] RAX: 01ba0a9f713fba00 RBX: 0000000000000000 RCX: 0000000000040000 [ 2777.727434][ T5191] RDX: ffffc90003b20000 RSI: 0000000000023421 RDI: 0000000000023422 [ 2777.735226][ T5191] RBP: ffffc90006b07af0 R08: ffffffff81521bd8 R09: ffffed103ee24e8b [ 2777.743061][ T5191] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 2777.750871][ T5191] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff855f5d60 [ 2777.759207][ T5191] FS: 00007f20fff7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2777.767959][ T5191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2777.774371][ T5191] CR2: 00007f56351fed58 CR3: 000000011a4f4000 CR4: 00000000003506a0 00:51:45 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2777.782214][ T5191] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2777.790064][ T5191] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2777.797922][ T5191] Call Trace: [ 2777.801031][ T5191] ? show_regs+0x58/0x60 [ 2777.805218][ T5191] ? __warn+0x160/0x2f0 [ 2777.810918][ T5191] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2777.816625][ T5191] ? report_bug+0x3d9/0x5b0 [ 2777.821125][ T5191] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2777.826676][ T5191] ? handle_bug+0x41/0x70 [ 2777.830781][ T5191] ? exc_invalid_op+0x1b/0x50 00:51:45 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x1) 00:51:45 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2777.835290][ T5191] ? asm_exc_invalid_op+0x12/0x20 [ 2777.840211][ T5191] ? wake_up_klogd+0xb8/0xf0 [ 2777.844614][ T5191] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2777.852346][ T5191] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2777.858104][ T5191] sysfs_create_files+0x3de/0x470 [ 2777.863332][ T5191] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 2777.868688][ T5191] ? __kasan_check_write+0x14/0x20 [ 2777.873775][ T5191] ? kobject_get+0xd1/0x120 [ 2777.878157][ T5191] __device_add_disk+0x9a7/0x11a0 [ 2777.883073][ T5191] ? device_add_disk+0x40/0x40 [ 2777.887817][ T5191] ? vsprintf+0x40/0x40 [ 2777.891821][ T5191] ? device_initialize+0x1e1/0x420 [ 2777.896792][ T5191] device_add_disk+0x2a/0x40 [ 2777.901192][ T5191] loop_add+0x580/0x750 [ 2777.905172][ T5191] loop_control_ioctl+0x448/0x620 [ 2777.910100][ T5191] ? loop_remove+0xb0/0xb0 [ 2777.914295][ T5191] ? __fget_files+0x31e/0x380 [ 2777.918852][ T5191] ? security_file_ioctl+0x84/0xb0 [ 2777.923766][ T5191] ? loop_remove+0xb0/0xb0 [ 2777.928023][ T5191] __se_sys_ioctl+0x114/0x190 [ 2777.932495][ T5191] __x64_sys_ioctl+0x7b/0x90 [ 2777.936980][ T5191] do_syscall_64+0x34/0x70 [ 2777.941190][ T5191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2777.947130][ T5191] RIP: 0033:0x7f21011fbba9 [ 2777.951424][ T5191] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2777.970806][ T5191] RSP: 002b:00007f20fff7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2777.979052][ T5191] RAX: ffffffffffffffda RBX: 00007f210131af80 RCX: 00007f21011fbba9 00:51:46 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 2777.987371][ T5191] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 2777.995251][ T5191] RBP: 00007f20fff7e120 R08: 0000000000000000 R09: 0000000000000000 [ 2778.003117][ T5191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 2778.010892][ T5191] R13: 000000000000000b R14: 00007f210131af80 R15: 00007ffc7cf66978 [ 2778.018710][ T5191] ---[ end trace e38559e1ffcc9c7e ]--- [ 2778.024228][ T5191] loop0: failed to create sysfs files for events 00:51:46 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@dellinkprop={0x20, 0x1e, 0x83e1c5e6cf79b1cd}, 0x20}, 0x1, 0x3001}, 0x0) [ 2778.043070][ T5215] ------------[ cut here ]------------ [ 2778.048354][ T5218] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2778.057597][ T5215] kernfs: can not remove 'events', no directory [ 2778.063771][ T5215] WARNING: CPU: 1 PID: 5215 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.073467][ T5215] Modules linked in: [ 2778.077331][ T5215] CPU: 0 PID: 5215 Comm: syz-executor.5 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2778.089051][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2778.099274][ T5215] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.105475][ T5215] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 60 97 97 ff 48 c7 c7 80 b8 4a 85 4c 89 fe e8 11 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 43 97 97 ff bb fe ff ff ff 48 c7 c7 [ 2778.125240][ T5215] RSP: 0018:ffffc900069a7c18 EFLAGS: 00010246 [ 2778.131532][ T5215] RAX: ddc1a27fa0ea1e00 RBX: 0000000000000000 RCX: 0000000000040000 [ 2778.139504][ T5215] RDX: ffffc90002b18000 RSI: 00000000000003e1 RDI: 00000000000003e2 [ 2778.147450][ T5215] RBP: ffffc900069a7c30 R08: ffffffff81521bd8 R09: ffffed103ee24e8b [ 2778.155273][ T5215] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 2778.163447][ T5215] R13: ffffffff869513a0 R14: 0000000000000000 R15: ffffffff855f5d60 [ 2778.171409][ T5215] FS: 00007f9dcccd86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2778.180329][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2778.186948][ T5215] CR2: 00007f9dcdfbce70 CR3: 000000010f8fc000 CR4: 00000000003506a0 [ 2778.194856][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2778.202826][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2778.210841][ T5215] Call Trace: [ 2778.214177][ T5215] ? show_regs+0x58/0x60 [ 2778.218274][ T5215] ? __warn+0x160/0x2f0 [ 2778.222347][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.227863][ T5215] ? report_bug+0x3d9/0x5b0 [ 2778.232284][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.237891][ T5215] ? handle_bug+0x41/0x70 [ 2778.242143][ T5215] ? exc_invalid_op+0x1b/0x50 [ 2778.246687][ T5215] ? asm_exc_invalid_op+0x12/0x20 [ 2778.251631][ T5215] ? wake_up_klogd+0xb8/0xf0 [ 2778.256161][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.261770][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.267601][ T5215] sysfs_remove_files+0xa5/0x100 [ 2778.272345][ T5215] del_gendisk+0x248/0xa90 [ 2778.276648][ T5215] ? device_add_disk_no_queue_reg+0x30/0x30 [ 2778.282475][ T5215] ? radix_tree_delete_item+0x24d/0x350 [ 2778.288108][ T5215] loop_remove+0x46/0xb0 [ 2778.292239][ T5215] loop_control_ioctl+0x564/0x620 [ 2778.297288][ T5215] ? loop_remove+0xb0/0xb0 [ 2778.301965][ T5215] ? __fget_files+0x31e/0x380 [ 2778.306516][ T5215] ? security_file_ioctl+0x84/0xb0 [ 2778.311447][ T5215] ? loop_remove+0xb0/0xb0 [ 2778.315679][ T5215] __se_sys_ioctl+0x114/0x190 [ 2778.320253][ T5215] __x64_sys_ioctl+0x7b/0x90 [ 2778.324759][ T5215] do_syscall_64+0x34/0x70 [ 2778.329199][ T5215] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2778.335019][ T5215] RIP: 0033:0x7f9dcdf55ba9 [ 2778.339275][ T5215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2778.359226][ T5215] RSP: 002b:00007f9dcccd80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2778.367597][ T5215] RAX: ffffffffffffffda RBX: 00007f9dce074f80 RCX: 00007f9dcdf55ba9 [ 2778.375531][ T5215] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 2778.383442][ T5215] RBP: 00007f9dcdfa147a R08: 0000000000000000 R09: 0000000000000000 [ 2778.391347][ T5215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2778.399181][ T5215] R13: 000000000000000b R14: 00007f9dce074f80 R15: 00007ffc0d6f0b18 [ 2778.406991][ T5215] ---[ end trace e38559e1ffcc9c7f ]--- [ 2778.412297][ T5215] ------------[ cut here ]------------ [ 2778.417542][ T5215] kernfs: can not remove 'events_async', no directory [ 2778.424242][ T5215] WARNING: CPU: 0 PID: 5215 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.434148][ T5215] Modules linked in: [ 2778.438147][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.5 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2778.449892][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2778.460053][ T5215] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.466214][ T5215] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 60 97 97 ff 48 c7 c7 80 b8 4a 85 4c 89 fe e8 11 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 43 97 97 ff bb fe ff ff ff 48 c7 c7 [ 2778.485751][ T5215] RSP: 0018:ffffc900069a7c18 EFLAGS: 00010246 [ 2778.492191][ T5215] RAX: ddc1a27fa0ea1e00 RBX: 0000000000000000 RCX: 0000000000040000 [ 2778.500016][ T5215] RDX: ffffc90002b18000 RSI: 0000000000009294 RDI: 0000000000009295 [ 2778.507811][ T5215] RBP: ffffc900069a7c30 R08: ffffffff81521bd8 R09: ffffed103ee04e8b [ 2778.515694][ T5215] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 2778.523572][ T5215] R13: ffffffff869513a0 R14: 0000000000000000 R15: ffffffff855f5e00 [ 2778.531464][ T5215] FS: 00007f9dcccd86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2778.540277][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2778.546741][ T5215] CR2: 00007f9dcdfbce70 CR3: 000000010f8fc000 CR4: 00000000003506a0 [ 2778.554550][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2778.562381][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2778.570293][ T5215] Call Trace: [ 2778.573399][ T5215] ? show_regs+0x58/0x60 [ 2778.577504][ T5215] ? __warn+0x160/0x2f0 [ 2778.581489][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.587042][ T5215] ? report_bug+0x3d9/0x5b0 [ 2778.591441][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.596916][ T5215] ? handle_bug+0x41/0x70 [ 2778.601056][ T5215] ? exc_invalid_op+0x1b/0x50 [ 2778.605558][ T5215] ? asm_exc_invalid_op+0x12/0x20 [ 2778.610457][ T5215] ? wake_up_klogd+0xb8/0xf0 [ 2778.614857][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.620510][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.626024][ T5215] sysfs_remove_files+0xa5/0x100 [ 2778.630835][ T5215] del_gendisk+0x248/0xa90 [ 2778.635058][ T5215] ? device_add_disk_no_queue_reg+0x30/0x30 [ 2778.640825][ T5215] ? radix_tree_delete_item+0x24d/0x350 [ 2778.646196][ T5215] loop_remove+0x46/0xb0 [ 2778.650291][ T5215] loop_control_ioctl+0x564/0x620 [ 2778.655119][ T5215] ? loop_remove+0xb0/0xb0 [ 2778.659459][ T5215] ? __fget_files+0x31e/0x380 [ 2778.664064][ T5215] ? security_file_ioctl+0x84/0xb0 [ 2778.669047][ T5215] ? loop_remove+0xb0/0xb0 [ 2778.673379][ T5215] __se_sys_ioctl+0x114/0x190 [ 2778.677926][ T5215] __x64_sys_ioctl+0x7b/0x90 [ 2778.682331][ T5215] do_syscall_64+0x34/0x70 [ 2778.686601][ T5215] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00:51:46 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2778.692399][ T5215] RIP: 0033:0x7f9dcdf55ba9 [ 2778.696784][ T5215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2778.716533][ T5215] RSP: 002b:00007f9dcccd80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2778.724834][ T5215] RAX: ffffffffffffffda RBX: 00007f9dce074f80 RCX: 00007f9dcdf55ba9 [ 2778.732679][ T5215] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 2778.740521][ T5215] RBP: 00007f9dcdfa147a R08: 0000000000000000 R09: 0000000000000000 [ 2778.748624][ T5215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2778.756725][ T5215] R13: 000000000000000b R14: 00007f9dce074f80 R15: 00007ffc0d6f0b18 [ 2778.764544][ T5215] ---[ end trace e38559e1ffcc9c80 ]--- [ 2778.770113][ T5215] ------------[ cut here ]------------ [ 2778.775489][ T5215] kernfs: can not remove 'events_poll_msecs', no directory [ 2778.782834][ T5215] WARNING: CPU: 1 PID: 5215 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.792537][ T5215] Modules linked in: [ 2778.796322][ T5215] CPU: 0 PID: 5215 Comm: syz-executor.5 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2778.808024][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2778.818038][ T5215] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.824196][ T5215] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 60 97 97 ff 48 c7 c7 80 b8 4a 85 4c 89 fe e8 11 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 43 97 97 ff bb fe ff ff ff 48 c7 c7 00:51:47 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x1) [ 2778.843935][ T5215] RSP: 0018:ffffc900069a7c18 EFLAGS: 00010246 [ 2778.850119][ T5215] RAX: ddc1a27fa0ea1e00 RBX: 0000000000000000 RCX: 0000000000040000 [ 2778.858208][ T5215] RDX: ffffc90002b18000 RSI: 000000000001217d RDI: 000000000001217e [ 2778.866001][ T5215] RBP: ffffc900069a7c30 R08: ffffffff81521bd8 R09: ffffed103ee2a5f8 [ 2778.873838][ T5215] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 2778.881653][ T5215] R13: ffffffff869513a0 R14: 0000000000000000 R15: ffffffff855f5e20 00:51:47 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000400)={@private1, 0x0, r5}) syz_genetlink_get_family_id$ethtool(0x0, r4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2778.889475][ T5215] FS: 00007f9dcccd86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2778.898243][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2778.904623][ T5215] CR2: 00007f9dcdfbce70 CR3: 000000010f8fc000 CR4: 00000000003506a0 [ 2778.912491][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2778.920271][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2778.928074][ T5215] Call Trace: [ 2778.931178][ T5215] ? show_regs+0x58/0x60 [ 2778.935266][ T5215] ? __warn+0x160/0x2f0 [ 2778.939303][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.944720][ T5215] ? report_bug+0x3d9/0x5b0 [ 2778.949092][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.954643][ T5215] ? handle_bug+0x41/0x70 [ 2778.958845][ T5215] ? exc_invalid_op+0x1b/0x50 [ 2778.963323][ T5215] ? asm_exc_invalid_op+0x12/0x20 [ 2778.968248][ T5215] ? wake_up_klogd+0xb8/0xf0 [ 2778.972608][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.978100][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2778.983538][ T5215] sysfs_remove_files+0xa5/0x100 [ 2778.988529][ T5215] del_gendisk+0x248/0xa90 [ 2778.992833][ T5215] ? device_add_disk_no_queue_reg+0x30/0x30 [ 2778.998981][ T5215] ? radix_tree_delete_item+0x24d/0x350 [ 2779.004516][ T5215] loop_remove+0x46/0xb0 [ 2779.008781][ T5215] loop_control_ioctl+0x564/0x620 [ 2779.013803][ T5215] ? loop_remove+0xb0/0xb0 [ 2779.019355][ T5215] ? __fget_files+0x31e/0x380 [ 2779.023929][ T5215] ? security_file_ioctl+0x84/0xb0 [ 2779.028877][ T5215] ? loop_remove+0xb0/0xb0 [ 2779.033090][ T5215] __se_sys_ioctl+0x114/0x190 [ 2779.037627][ T5215] __x64_sys_ioctl+0x7b/0x90 [ 2779.042028][ T5215] do_syscall_64+0x34/0x70 [ 2779.046299][ T5215] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2779.052016][ T5215] RIP: 0033:0x7f9dcdf55ba9 [ 2779.056283][ T5215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2779.075800][ T5215] RSP: 002b:00007f9dcccd80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2779.084055][ T5215] RAX: ffffffffffffffda RBX: 00007f9dce074f80 RCX: 00007f9dcdf55ba9 [ 2779.091859][ T5215] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 2779.099694][ T5215] RBP: 00007f9dcdfa147a R08: 0000000000000000 R09: 0000000000000000 [ 2779.107632][ T5215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2779.115469][ T5215] R13: 000000000000000b R14: 00007f9dce074f80 R15: 00007ffc0d6f0b18 [ 2779.123318][ T5215] ---[ end trace e38559e1ffcc9c81 ]--- [ 2779.128717][ T5215] ------------[ cut here ]------------ [ 2779.134133][ T5215] kernfs: can not remove 'bdi', no directory [ 2779.140080][ T5215] WARNING: CPU: 1 PID: 5215 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 2779.149658][ T5215] Modules linked in: [ 2779.153367][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.5 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2779.164878][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2779.174788][ T5215] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 2779.180834][ T5215] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 60 97 97 ff 48 c7 c7 80 b8 4a 85 4c 89 fe e8 11 29 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 43 97 97 ff bb fe ff ff ff 48 c7 c7 [ 2779.200426][ T5215] RSP: 0018:ffffc900069a7c38 EFLAGS: 00010246 [ 2779.206360][ T5215] RAX: ddc1a27fa0ea1e00 RBX: 0000000000000000 RCX: 0000000000040000 [ 2779.214239][ T5215] RDX: ffffc90002b18000 RSI: 000000000001b131 RDI: 000000000001b132 [ 2779.222054][ T5215] RBP: ffffc900069a7c50 R08: ffffffff81521bd8 R09: fffff52000d34e9d [ 2779.230018][ T5215] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810a584478 [ 2779.237840][ T5215] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff855f5680 [ 2779.245640][ T5215] FS: 00007f9dcccd86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2779.254667][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2779.261060][ T5215] CR2: 00007f9dcdfbce70 CR3: 000000010f8fc000 CR4: 00000000003506a0 [ 2779.268910][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2779.276771][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2779.284602][ T5215] Call Trace: [ 2779.287738][ T5215] ? show_regs+0x58/0x60 [ 2779.291777][ T5215] ? __warn+0x160/0x2f0 [ 2779.295754][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2779.301382][ T5215] ? report_bug+0x3d9/0x5b0 [ 2779.305671][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2779.311164][ T5215] ? handle_bug+0x41/0x70 [ 2779.315282][ T5215] ? exc_invalid_op+0x1b/0x50 [ 2779.319823][ T5215] ? asm_exc_invalid_op+0x12/0x20 [ 2779.324668][ T5215] ? wake_up_klogd+0xb8/0xf0 [ 2779.329132][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2779.334566][ T5215] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 2779.340041][ T5215] sysfs_remove_link+0x50/0x60 [ 2779.344647][ T5215] del_gendisk+0x477/0xa90 [ 2779.348898][ T5215] ? device_add_disk_no_queue_reg+0x30/0x30 [ 2779.354628][ T5215] ? radix_tree_delete_item+0x24d/0x350 [ 2779.360001][ T5215] loop_remove+0x46/0xb0 [ 2779.364179][ T5215] loop_control_ioctl+0x564/0x620 [ 2779.369231][ T5215] ? loop_remove+0xb0/0xb0 [ 2779.373494][ T5215] ? __fget_files+0x31e/0x380 [ 2779.378033][ T5215] ? security_file_ioctl+0x84/0xb0 [ 2779.382959][ T5215] ? loop_remove+0xb0/0xb0 [ 2779.387470][ T5215] __se_sys_ioctl+0x114/0x190 [ 2779.392089][ T5215] __x64_sys_ioctl+0x7b/0x90 [ 2779.396512][ T5215] do_syscall_64+0x34/0x70 [ 2779.400886][ T5215] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2779.406737][ T5215] RIP: 0033:0x7f9dcdf55ba9 [ 2779.411035][ T5215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2779.430512][ T5215] RSP: 002b:00007f9dcccd80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2779.438951][ T5215] RAX: ffffffffffffffda RBX: 00007f9dce074f80 RCX: 00007f9dcdf55ba9 [ 2779.446806][ T5215] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 2779.454758][ T5215] RBP: 00007f9dcdfa147a R08: 0000000000000000 R09: 0000000000000000 [ 2779.462896][ T5215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2779.470878][ T5215] R13: 000000000000000b R14: 00007f9dce074f80 R15: 00007ffc0d6f0b18 [ 2779.478800][ T5215] ---[ end trace e38559e1ffcc9c82 ]--- [ 2779.484945][ T5215] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 2779.496463][ T5215] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 2779.504708][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.5 Tainted: G W 5.10.202-syzkaller-00809-g98ed22fdc25f #0 [ 2779.516157][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2779.526065][ T5215] RIP: 0010:strlen+0x2c/0x70 [ 2779.530567][ T5215] Code: 89 e5 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 2779.550013][ T5215] RSP: 0018:ffffc900069a7ba8 EFLAGS: 00010246 [ 2779.555910][ T5215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 2779.563718][ T5215] RDX: ffff88812fa54f00 RSI: 0000000000000000 RDI: 0000000000000000 [ 2779.571533][ T5215] RBP: ffffc900069a7bc8 R08: ffffffff81d2e27b R09: fffff52000d34f79 [ 2779.579367][ T5215] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 2779.587156][ T5215] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 2779.594966][ T5215] FS: 00007f9dcccd86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2779.603730][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2779.610153][ T5215] CR2: 00007f9dcdfbce70 CR3: 000000010f8fc000 CR4: 00000000003506a0 [ 2779.617967][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2779.625778][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2779.633586][ T5215] Call Trace: [ 2779.636724][ T5215] ? __die_body+0x62/0xb0 [ 2779.640885][ T5215] ? die_addr+0x9f/0xd0 [ 2779.644876][ T5215] ? exc_general_protection+0x3ff/0x490 [ 2779.650349][ T5215] ? asm_exc_general_protection+0x1e/0x30 [ 2779.655983][ T5215] ? kernfs_find_ns+0x7b/0x4a0 [ 2779.660584][ T5215] ? strlen+0x2c/0x70 [ 2779.664434][ T5215] kernfs_find_ns+0x95/0x4a0 [ 2779.668829][ T5215] kernfs_remove_by_name_ns+0x3a/0x110 [ 2779.674303][ T5215] sysfs_remove_link+0x50/0x60 [ 2779.678905][ T5215] del_gendisk+0x87b/0xa90 [ 2779.683151][ T5215] ? device_add_disk_no_queue_reg+0x30/0x30 [ 2779.688877][ T5215] ? radix_tree_delete_item+0x24d/0x350 [ 2779.694259][ T5215] loop_remove+0x46/0xb0 [ 2779.698368][ T5215] loop_control_ioctl+0x564/0x620 [ 2779.703200][ T5215] ? loop_remove+0xb0/0xb0 [ 2779.707450][ T5215] ? __fget_files+0x31e/0x380 [ 2779.712056][ T5215] ? security_file_ioctl+0x84/0xb0 [ 2779.716994][ T5215] ? loop_remove+0xb0/0xb0 [ 2779.721252][ T5215] __se_sys_ioctl+0x114/0x190 [ 2779.725979][ T5215] __x64_sys_ioctl+0x7b/0x90 [ 2779.730495][ T5215] do_syscall_64+0x34/0x70 [ 2779.734734][ T5215] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 2779.740462][ T5215] RIP: 0033:0x7f9dcdf55ba9 [ 2779.744728][ T5215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 2779.764732][ T5215] RSP: 002b:00007f9dcccd80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2779.773058][ T5215] RAX: ffffffffffffffda RBX: 00007f9dce074f80 RCX: 00007f9dcdf55ba9 [ 2779.780860][ T5215] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 2779.788673][ T5215] RBP: 00007f9dcdfa147a R08: 0000000000000000 R09: 0000000000000000 00:51:47 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x107, 0x7, 0x0, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x10000, 0x0) pipe2(&(0x7f00000009c0)={0xffffffffffffffff}, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r4) r6 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000000400)={@private1, 0x0, r7}) sendmsg$ETHTOOL_MSG_LINKINFO_SET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x17e1a530dd2e2bce}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x88, r5, 0x800, 0x70bd25, 0x25dfdbfc, {}, [@ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x1f}, @ETHTOOL_A_LINKINFO_PORT={0x5, 0x2, 0x20}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0x8}, @ETHTOOL_A_LINKINFO_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5, 0x3, 0xff}]}, 0x88}, 0x1, 0x0, 0x0, 0x50}, 0x840) syz_genetlink_get_family_id$ethtool(0x0, r4) r8 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) r9 = ioctl$LOOP_CTL_ADD(r8, 0x4c80, 0x1) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r9) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000400)={@private1, 0x0, r2}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r2, 0x1, 0x6, @local}, 0x10) [ 2779.796495][ T5215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2779.804294][ T5215] R13: 000000000000000b R14: 00007f9dce074f80 R15: 00007ffc0d6f0b18 [ 2779.812104][ T5215] Modules linked in: [ 2779.818545][ T5215] ---[ end trace e38559e1ffcc9c83 ]--- [ 2779.823982][ T5215] RIP: 0010:strlen+0x2c/0x70 [ 2779.828501][ T5215] Code: 89 e5 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 2779.848222][ T5215] RSP: 0018:ffffc900069a7ba8 EFLAGS: 00010246 [ 2779.854111][ T5215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 2779.862289][ T5215] RDX: ffff88812fa54f00 RSI: 0000000000000000 RDI: 0000000000000000 [ 2779.870130][ T5215] RBP: ffffc900069a7bc8 R08: ffffffff81d2e27b R09: fffff52000d34f79 [ 2779.878196][ T5215] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 2779.885967][ T5215] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 2779.893828][ T5215] FS: 00007f9dcccd86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 2779.902564][ T5215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2779.908997][ T5215] CR2: 00007f4618947038 CR3: 000000010f8fc000 CR4: 00000000003506a0 [ 2779.916980][ T5215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2779.924831][ T5215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2779.932675][ T5215] Kernel panic - not syncing: Fatal exception [ 2779.938801][ T5215] Kernel Offset: disabled [ 2779.942944][ T5215] Rebooting in 86400 seconds..