egister things with the same name in the same directory. 12:34:41 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x172, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1060.326681][ T2483] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1060.335834][ T2483] CPU: 0 PID: 2483 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1060.339772][ T2464] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1060.345863][ T2483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1060.345876][ T2483] Call Trace: [ 1060.345883][ T2483] [ 1060.345889][ T2483] dump_stack_lvl+0xda/0x130 [ 1060.345977][ T2483] dump_stack+0x15/0x20 [ 1060.369425][ T2464] EXT4-fs error (device loop2): ext4_dirty_inode:5965: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1060.371459][ T2483] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1060.374622][ T2464] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1060.379010][ T2483] kobject_add_internal+0x3eb/0x730 12:34:42 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) r6 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) fadvise64(r6, 0x4, 0x200, 0x2) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:34:42 executing program 3: r0 = syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[], 0x1, 0x4f0, &(0x7f0000000600)="$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") r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) lseek(r2, 0x20400, 0x0) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r2, r3, 0x0, 0x80001d00c0d0) (async) accept4$nfc_llcp(r1, &(0x7f00000000c0), &(0x7f0000000000)=0x60, 0x0) [ 1060.383369][ T2464] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3005: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1060.394820][ T2483] kobject_add+0xdc/0x150 [ 1060.394846][ T2483] ? kobject_get+0x95/0xc0 [ 1060.394865][ T2483] ? kobject_put+0xd8/0x160 [ 1060.400646][ T2464] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3008: inode #19: comm syz-executor.2: mark inode dirty (error -117) [ 1060.412059][ T2483] ? device_add+0x2ea/0x8b0 [ 1060.412092][ T2483] device_add+0x2f8/0x8b0 [ 1060.412163][ T2483] netdev_register_kobject+0xfc/0x230 [ 1060.417488][ T2464] EXT4-fs warning (device loop2): ext4_evict_inode:271: xattr delete (err -117) [ 1060.429529][ T2483] register_netdevice+0x65b/0xb20 [ 1060.429565][ T2483] ip6_tnl_create2+0x87/0x210 [ 1060.450837][ T2468] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1446/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1060.455590][ T2483] ip6_tnl_newlink+0x2bf/0x460 [ 1060.455625][ T2483] ? ip6_tnl_validate+0x80/0x80 [ 1060.455657][ T2483] rtnl_newlink+0xee5/0x1670 [ 1060.517632][ T2483] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1060.522990][ T2483] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1060.529232][ T2483] ? _raw_spin_unlock+0x26/0x40 [ 1060.534199][ T2483] ? __mutex_lock+0x21c/0x8d0 [ 1060.538881][ T2483] ? rtnl_setlink+0x300/0x300 [ 1060.543543][ T2483] rtnetlink_rcv_msg+0x807/0x8c0 [ 1060.548562][ T2483] ? __rcu_read_unlock+0x4d/0x70 [ 1060.553529][ T2483] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1060.558995][ T2483] netlink_rcv_skb+0x126/0x220 [ 1060.563746][ T2483] ? rtnetlink_bind+0x60/0x60 [ 1060.568419][ T2483] rtnetlink_rcv+0x1c/0x20 [ 1060.572891][ T2483] netlink_unicast+0x589/0x650 [ 1060.577722][ T2483] netlink_sendmsg+0x66e/0x770 [ 1060.582481][ T2483] ? netlink_getsockopt+0x3e0/0x3e0 [ 1060.587724][ T2483] ____sys_sendmsg+0x37c/0x4d0 [ 1060.592468][ T2483] __sys_sendmsg+0x1e9/0x270 [ 1060.597076][ T2483] __x64_sys_sendmsg+0x46/0x50 [ 1060.601861][ T2483] do_syscall_64+0x44/0x110 [ 1060.606350][ T2483] ? syscall_exit_to_user_mode+0x38/0x140 [ 1060.612063][ T2483] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1060.617942][ T2483] RIP: 0033:0x7f7033abcae9 [ 1060.622347][ T2483] 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 [ 1060.641973][ T2483] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1060.650363][ T2483] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1060.658314][ T2483] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1060.666347][ T2483] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1060.674371][ T2483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1060.682331][ T2483] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1060.690327][ T2483] [ 1060.693579][ T2483] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1060.717515][ T2488] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1060.726728][ T2488] CPU: 1 PID: 2488 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1060.736754][ T2488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1060.737756][ T2495] loop4: detected capacity change from 0 to 512 [ 1060.746883][ T2488] Call Trace: [ 1060.746891][ T2488] [ 1060.746898][ T2488] dump_stack_lvl+0xda/0x130 [ 1060.764017][ T2488] dump_stack+0x15/0x20 [ 1060.768164][ T2488] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1060.773421][ T2488] kobject_add_internal+0x3eb/0x730 [ 1060.778690][ T2488] kobject_add+0xdc/0x150 [ 1060.783007][ T2488] ? kobject_get+0x95/0xc0 [ 1060.787511][ T2488] ? kobject_put+0xd8/0x160 [ 1060.792003][ T2488] ? device_add+0x2ea/0x8b0 [ 1060.796534][ T2488] device_add+0x2f8/0x8b0 [ 1060.800940][ T2488] netdev_register_kobject+0xfc/0x230 [ 1060.806345][ T2488] register_netdevice+0x65b/0xb20 [ 1060.811486][ T2488] ip6_tnl_create2+0x87/0x210 [ 1060.816202][ T2488] ip6_tnl_newlink+0x2bf/0x460 [ 1060.820973][ T2488] ? ip6_tnl_validate+0x80/0x80 [ 1060.825825][ T2488] rtnl_newlink+0xee5/0x1670 [ 1060.830415][ T2488] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1060.836720][ T2488] ? _raw_spin_unlock+0x26/0x40 [ 1060.841611][ T2488] ? __mutex_lock+0x21c/0x8d0 [ 1060.846279][ T2488] ? rtnl_setlink+0x300/0x300 [ 1060.851034][ T2488] rtnetlink_rcv_msg+0x807/0x8c0 [ 1060.855976][ T2488] ? kmem_cache_free+0x1d9/0x380 [ 1060.860906][ T2488] ? __kfree_skb+0x104/0x140 [ 1060.865534][ T2488] ? nlmon_xmit+0x4b/0x60 [ 1060.869854][ T2488] ? __kfree_skb+0x104/0x140 [ 1060.874440][ T2488] ? consume_skb+0x57/0x180 [ 1060.879024][ T2488] ? nlmon_xmit+0x4b/0x60 [ 1060.883383][ T2488] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1060.888660][ T2488] ? __dev_queue_xmit+0xaae/0x1d80 [ 1060.893761][ T2488] ? ref_tracker_free+0x3a1/0x400 [ 1060.898779][ T2488] netlink_rcv_skb+0x126/0x220 [ 1060.903609][ T2488] ? rtnetlink_bind+0x60/0x60 [ 1060.908327][ T2488] rtnetlink_rcv+0x1c/0x20 [ 1060.912815][ T2488] netlink_unicast+0x589/0x650 [ 1060.917578][ T2488] netlink_sendmsg+0x66e/0x770 [ 1060.922951][ T2488] ? netlink_getsockopt+0x3e0/0x3e0 [ 1060.928215][ T2488] ____sys_sendmsg+0x37c/0x4d0 [ 1060.932967][ T2488] __sys_sendmsg+0x1e9/0x270 [ 1060.937576][ T2488] __x64_sys_sendmsg+0x46/0x50 [ 1060.942468][ T2488] do_syscall_64+0x44/0x110 [ 1060.946993][ T2488] ? syscall_exit_to_user_mode+0x38/0x140 [ 1060.952707][ T2488] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1060.958598][ T2488] RIP: 0033:0x7fd903c48ae9 [ 1060.963000][ T2488] 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 [ 1060.982599][ T2488] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1060.991075][ T2488] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1060.999034][ T2488] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1061.006993][ T2488] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1061.014971][ T2488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:34:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xc, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:34:42 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x180, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1061.023027][ T2488] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1061.031039][ T2488] [ 1061.034120][ T2488] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1061.050619][ T2490] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1061.059793][ T2490] CPU: 1 PID: 2490 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1061.069840][ T2490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1061.080073][ T2490] Call Trace: [ 1061.083352][ T2490] [ 1061.086285][ T2490] dump_stack_lvl+0xda/0x130 [ 1061.086493][ T2501] loop3: detected capacity change from 0 to 512 [ 1061.090885][ T2490] dump_stack+0x15/0x20 [ 1061.090909][ T2490] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1061.098911][ T2495] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1416/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1061.101254][ T2490] kobject_add_internal+0x3eb/0x730 12:34:42 executing program 3: r0 = syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[], 0x1, 0x4f0, &(0x7f0000000600)="$eJzs3c9vI1cdAPDvTNabNE2bFCrxQ0CXUljQau3E20ZVT+UCQlUlRMWJQxoSbxTFjqPYKU1Yiez/gEQlTvAncEDigNQTd25w41IOSAVWoAaJg9GMx9mQ2Ek2m9hq/PlIo5k3bzLf92LNe96vN34BjK1bEbEfETcj4t2ImC3OJ8UWb3a37LpPHj1YOXj0YCWJTuedfyR5fXYujvxM5tninlMR8YPvRvw4ORm3tbu3sVyv17aLcqXd2Kq0dvfurjeW12prtc1qdXFhcf71e69VL62vLzV+8/F31t/64e9/9+WP/rj/rZ9mzZop6o724zJ1u146jJO5ERFvXUWwEZgo+nNz1A3hQtKI+ExEvJw//7Mxkb+a59PnsQYAPgU6ndnozB4tAwDXXZrnwJK0XOQCZiJNy+VuDu/FmE7rzVb7zv3mzuZqN1c2F6X0/nq9Nl/kCueilGTlhfz4cbl6rHwvIl6IiJ9PPpOXyyvnzzMAAJfr2WPz/78nu/M/AHDNTZ11wdJw2gEADM+Z8z8AcO2Y/wFg/Jj/AWD8mP8BYPyY/wFg/BTz/8So2wEADMX333472zoHxfdfr763u7PRfO/uaq21UW7srJRXmttb5bVmc61eK680G2fdr95sbi28GjvvV9q1VrvS2t1bajR3NttL+fd6L9VKQ+kVAHCaF1768M9JROy/8Uy+xZG1HMzVcL2lo24AMDJy/jC+fAs3jC//xgfOWssz/y9Cnc7Jig8uEKzzswv8EHDZbn9B/h/Glfw/jC/5fxhf8v8wvjqdZNCa/+nhJQDAtSLHD5zr8/9+LvL5PwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFwTM/mWpOViLfCZSNNyOeK5iJiLUnJ/vV6bj4jnI+JPk6XJrLww6kYDAE8p/VtSrP91e/aVmeO1N5P/TOb7iPjJL9/5xfvL7fb2Qnb+n4fn2x8U56ujaD8AcJbePN2bx3s+efRgpbcNsz0ff7u7uGgW96DYujU34ka+n4pSREz/KynKXdn7lYlLiL//MCI+36//SZ4bmStWPj0eP4v93FDjp/8XP83ruvvsd/HZJ4h51lqvMC4+zMafN/s9f2ncyvdTfRc/nspHqKfXG/8OTox/6eH4NzFg/Lt13hiv/uF7A+seRnzxRr/4yWH8ZED8V84Z/y9f+srLg+o6v4q4Hf3jH41VaTe2Kq3dvbvrjeW12lpts1pdXFicf/3ea9VKnqOu9DLVJ/39jTvPn9b/6QHxp87o/9dP7XVnsnf06/+++6OvnhL/m1/r//q/eEr8bE78xqnxH1ue/u3A5buz+Kvd/j980tf/zjnjf/TXvdVzXgoADEFrd29juV6vbV/qQSku+YZHDpIrarODKznovfMcfXuy9+NPe5/PFSmzUf9Wh3AwylEJGIbHD/2oWwIAAAAAAAAAAAAAAAxy5X9OlI66hwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFxn/wsAAP//UCXIug==") r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) lseek(r2, 0x20400, 0x0) (async, rerun: 32) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 32) sendfile(r2, r3, 0x0, 0x80001d00c0d0) accept4$nfc_llcp(r1, &(0x7f00000000c0), &(0x7f0000000000)=0x60, 0x0) [ 1061.101278][ T2490] kobject_add+0xdc/0x150 [ 1061.116226][ T2501] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1447/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1061.121280][ T2490] ? kobject_get+0x95/0xc0 [ 1061.121299][ T2490] ? kobject_put+0xd8/0x160 [ 1061.121316][ T2490] ? device_add+0x2ea/0x8b0 [ 1061.159063][ T2490] device_add+0x2f8/0x8b0 [ 1061.163457][ T2490] netdev_register_kobject+0xfc/0x230 [ 1061.168836][ T2490] register_netdevice+0x65b/0xb20 [ 1061.173894][ T2490] ip6_tnl_create2+0x87/0x210 [ 1061.178633][ T2490] ip6_tnl_newlink+0x2bf/0x460 [ 1061.183445][ T2490] ? ip6_tnl_validate+0x80/0x80 [ 1061.188281][ T2490] rtnl_newlink+0xee5/0x1670 [ 1061.192855][ T2490] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1061.198123][ T2490] ? rtnl_newlink+0x2b1/0x1670 [ 1061.202881][ T2490] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1061.209138][ T2490] ? _raw_spin_unlock+0x26/0x40 [ 1061.213979][ T2490] ? __mutex_lock+0x21c/0x8d0 [ 1061.218649][ T2490] ? rtnl_setlink+0x300/0x300 [ 1061.223374][ T2490] rtnetlink_rcv_msg+0x807/0x8c0 [ 1061.228351][ T2490] ? enqueue_task_fair+0x26c/0x800 [ 1061.233511][ T2490] ? check_preempt_wakeup_fair+0x1db/0x200 [ 1061.239335][ T2490] ? _raw_spin_unlock+0x26/0x40 [ 1061.244199][ T2490] ? kmem_cache_free+0x1d9/0x380 [ 1061.249191][ T2490] ? __kfree_skb+0x104/0x140 [ 1061.253782][ T2490] ? nlmon_xmit+0x4b/0x60 [ 1061.258180][ T2490] ? __kfree_skb+0x104/0x140 [ 1061.262839][ T2490] ? consume_skb+0x57/0x180 [ 1061.267328][ T2490] ? nlmon_xmit+0x4b/0x60 [ 1061.271646][ T2490] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1061.276924][ T2490] ? __dev_queue_xmit+0xaae/0x1d80 [ 1061.282047][ T2490] ? ref_tracker_free+0x3a1/0x400 [ 1061.287054][ T2490] netlink_rcv_skb+0x126/0x220 [ 1061.291813][ T2490] ? rtnetlink_bind+0x60/0x60 [ 1061.296581][ T2490] rtnetlink_rcv+0x1c/0x20 [ 1061.301062][ T2490] netlink_unicast+0x589/0x650 [ 1061.305830][ T2490] netlink_sendmsg+0x66e/0x770 [ 1061.310587][ T2490] ? netlink_getsockopt+0x3e0/0x3e0 [ 1061.315778][ T2490] ____sys_sendmsg+0x37c/0x4d0 [ 1061.320524][ T2490] __sys_sendmsg+0x1e9/0x270 [ 1061.325093][ T2490] ? wake_up_q+0x3f/0x70 [ 1061.329331][ T2490] __x64_sys_sendmsg+0x46/0x50 [ 1061.334149][ T2490] do_syscall_64+0x44/0x110 [ 1061.338653][ T2490] ? syscall_exit_to_user_mode+0x38/0x140 [ 1061.344360][ T2490] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1061.350244][ T2490] RIP: 0033:0x7f7bcc9aeae9 [ 1061.354672][ T2490] 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 12:34:43 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="00e2d2a820ff22e148a09e60ea2c7852050934060000e100000000a2fbdbd9fff061c113000006bb71bf3812bc409f110e17cadc385f1fef2abb3000080000130200974bfeed6dcef074724149ece382587acd601a5066b245a6509f5e8ef4155052cb6bfb717365f99446be13e2809a6ea3492bc9706ca13bb95e90313b2c06c4c57b121699d0b8d04c218ffabc74e1fd758e09e71321ff40245b0f3881f566932544ac52aa74018e0019bcbae352c1a573ba855ce87214b6131176608b7486e554794a0183388788b04d44551f546cd2b382de9bbb554b052e82364f9aea2e2dd869510f7efc6fac0f8fa7c990256bf994c37e46435e00d6f3573ba08213a88fb061d2d2c9615254a6ae7e768068a0624c3d0e206a8b1c22c9ca1e565f4c288bffd9438f77a1"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) getsockopt$CAN_RAW_FD_FRAMES(r2, 0x65, 0x5, &(0x7f0000000000), &(0x7f00000000c0)=0x4) [ 1061.374294][ T2490] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1061.382755][ T2490] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1061.390709][ T2490] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1061.398696][ T2490] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1061.406656][ T2490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1061.414620][ T2490] R13: 000000000000000b R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1061.422589][ T2490] [ 1061.425656][ T2490] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1061.447224][ T2497] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1061.456495][ T2497] CPU: 0 PID: 2497 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1061.459185][ T2514] loop2: detected capacity change from 0 to 512 [ 1061.466460][ T2497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1061.466474][ T2497] Call Trace: [ 1061.466480][ T2497] [ 1061.466486][ T2497] dump_stack_lvl+0xda/0x130 [ 1061.493673][ T2497] dump_stack+0x15/0x20 [ 1061.497954][ T2497] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1061.503065][ T2497] kobject_add_internal+0x3eb/0x730 [ 1061.508255][ T2497] kobject_add+0xdc/0x150 [ 1061.512573][ T2497] ? kobject_get+0x95/0xc0 [ 1061.516976][ T2497] ? kobject_put+0xd8/0x160 [ 1061.521501][ T2497] ? device_add+0x2ea/0x8b0 [ 1061.526062][ T2497] device_add+0x2f8/0x8b0 [ 1061.530425][ T2497] netdev_register_kobject+0xfc/0x230 [ 1061.535802][ T2497] register_netdevice+0x65b/0xb20 [ 1061.540828][ T2497] ip6_tnl_create2+0x87/0x210 [ 1061.545573][ T2497] ip6_tnl_newlink+0x2bf/0x460 [ 1061.550338][ T2497] ? ip6_tnl_validate+0x80/0x80 [ 1061.555214][ T2497] rtnl_newlink+0xee5/0x1670 [ 1061.559801][ T2497] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1061.565127][ T2497] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1061.571365][ T2497] ? _raw_spin_unlock+0x26/0x40 [ 1061.576320][ T2497] ? __mutex_lock+0x21c/0x8d0 [ 1061.581000][ T2497] ? rtnl_setlink+0x300/0x300 [ 1061.585702][ T2497] rtnetlink_rcv_msg+0x807/0x8c0 [ 1061.590685][ T2497] ? __rcu_read_unlock+0x4d/0x70 [ 1061.595617][ T2497] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1061.601062][ T2497] netlink_rcv_skb+0x126/0x220 [ 1061.605937][ T2497] ? rtnetlink_bind+0x60/0x60 [ 1061.610633][ T2497] rtnetlink_rcv+0x1c/0x20 [ 1061.615116][ T2497] netlink_unicast+0x589/0x650 [ 1061.619888][ T2497] netlink_sendmsg+0x66e/0x770 [ 1061.624676][ T2497] ? netlink_getsockopt+0x3e0/0x3e0 [ 1061.629875][ T2497] ____sys_sendmsg+0x37c/0x4d0 [ 1061.634656][ T2497] __sys_sendmsg+0x1e9/0x270 [ 1061.639244][ T2497] __x64_sys_sendmsg+0x46/0x50 [ 1061.644077][ T2497] do_syscall_64+0x44/0x110 [ 1061.648618][ T2497] ? syscall_exit_to_user_mode+0x38/0x140 [ 1061.654343][ T2497] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1061.660245][ T2497] RIP: 0033:0x7f7033abcae9 [ 1061.664725][ T2497] 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 [ 1061.684397][ T2497] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1061.692852][ T2497] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1061.700813][ T2497] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1061.708849][ T2497] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1061.716897][ T2497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1061.725120][ T2497] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 12:34:43 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r9 = dup3(0xffffffffffffffff, r8, 0x0) sendmsg$nl_route_sched(r9, &(0x7f0000000600)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000480)={&(0x7f0000000640)=ANY=[@ANYBLOB="78000000320000013f000000fddbdf250000000008000400020000000f459934e60612d3480001000cab1a41f8fe39c5bb74000010000f000b0001006d697272656400000c000a000800030003000000100017000b000100706f6c69636500000c000f0008000300040000000c00020001000000000000004aa5f17d6e02f932ad04c2afdf48ce7edeae699264c2520ac1"], 0x78}}, 0x90) [ 1061.733138][ T2497] [ 1061.736214][ T2497] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1061.761609][ T2503] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1061.770778][ T2503] CPU: 0 PID: 2503 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1061.778008][ T2518] loop3: detected capacity change from 0 to 512 [ 1061.780749][ T2503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1061.780769][ T2503] Call Trace: [ 1061.800368][ T2503] [ 1061.803301][ T2503] dump_stack_lvl+0xda/0x130 [ 1061.807973][ T2503] dump_stack+0x15/0x20 [ 1061.812166][ T2503] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1061.817282][ T2503] kobject_add_internal+0x3eb/0x730 [ 1061.822889][ T2503] kobject_add+0xdc/0x150 [ 1061.827205][ T2503] ? kobject_get+0x95/0xc0 [ 1061.831622][ T2503] ? kobject_put+0xd8/0x160 [ 1061.836111][ T2503] ? device_add+0x2ea/0x8b0 [ 1061.840611][ T2503] device_add+0x2f8/0x8b0 [ 1061.844944][ T2503] netdev_register_kobject+0xfc/0x230 [ 1061.850362][ T2503] register_netdevice+0x65b/0xb20 [ 1061.855444][ T2503] ip6_tnl_create2+0x87/0x210 [ 1061.860205][ T2503] ip6_tnl_newlink+0x2bf/0x460 [ 1061.865043][ T2503] ? ip6_tnl_validate+0x80/0x80 [ 1061.869891][ T2503] rtnl_newlink+0xee5/0x1670 [ 1061.874476][ T2503] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1061.879782][ T2503] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1061.886089][ T2503] ? _raw_spin_unlock+0x26/0x40 [ 1061.890933][ T2503] ? __mutex_lock+0x21c/0x8d0 [ 1061.895602][ T2503] ? rtnl_setlink+0x300/0x300 [ 1061.900332][ T2503] rtnetlink_rcv_msg+0x807/0x8c0 [ 1061.905371][ T2503] ? kmem_cache_free+0x1d9/0x380 [ 1061.910305][ T2503] ? __kfree_skb+0x104/0x140 [ 1061.914893][ T2503] ? nlmon_xmit+0x4b/0x60 [ 1061.919213][ T2503] ? __kfree_skb+0x104/0x140 [ 1061.923802][ T2503] ? consume_skb+0x57/0x180 [ 1061.928325][ T2503] ? nlmon_xmit+0x4b/0x60 [ 1061.932708][ T2503] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1061.937990][ T2503] ? __dev_queue_xmit+0xaae/0x1d80 [ 1061.943162][ T2503] ? ref_tracker_free+0x3a1/0x400 [ 1061.948179][ T2503] netlink_rcv_skb+0x126/0x220 [ 1061.952998][ T2503] ? rtnetlink_bind+0x60/0x60 [ 1061.957725][ T2503] rtnetlink_rcv+0x1c/0x20 [ 1061.962170][ T2503] netlink_unicast+0x589/0x650 [ 1061.966939][ T2503] netlink_sendmsg+0x66e/0x770 [ 1061.971838][ T2503] ? netlink_getsockopt+0x3e0/0x3e0 [ 1061.977035][ T2503] ____sys_sendmsg+0x37c/0x4d0 [ 1061.981786][ T2503] __sys_sendmsg+0x1e9/0x270 [ 1061.986423][ T2503] __x64_sys_sendmsg+0x46/0x50 [ 1061.991174][ T2503] do_syscall_64+0x44/0x110 [ 1061.995677][ T2503] ? syscall_exit_to_user_mode+0x38/0x140 [ 1062.001461][ T2503] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1062.007352][ T2503] RIP: 0033:0x7fd903c48ae9 [ 1062.011755][ T2503] 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 [ 1062.031379][ T2503] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1062.039792][ T2503] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1062.047756][ T2503] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1062.055716][ T2503] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1062.063687][ T2503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1062.071717][ T2503] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1062.079764][ T2503] 12:34:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xd, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1062.082806][ T2503] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1062.095566][ T2514] EXT4-fs mount: 44 callbacks suppressed [ 1062.095579][ T2514] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1062.112634][ T2518] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. 12:34:43 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x186, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1062.117130][ T2520] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1062.128035][ T2518] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1448/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1062.137075][ T2520] CPU: 1 PID: 2520 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1062.156680][ T2514] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1462/file0 supports timestamps until 2038-01-19 (0x7fffffff) 12:34:43 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000600)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x42c0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1062.161865][ T2520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1062.161878][ T2520] Call Trace: [ 1062.161884][ T2520] [ 1062.161891][ T2520] dump_stack_lvl+0xda/0x130 [ 1062.197692][ T2520] dump_stack+0x15/0x20 [ 1062.201884][ T2520] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1062.207036][ T2520] kobject_add_internal+0x3eb/0x730 [ 1062.212216][ T2520] kobject_add+0xdc/0x150 [ 1062.216530][ T2520] ? kobject_get+0x95/0xc0 [ 1062.221272][ T2520] ? kobject_put+0xd8/0x160 [ 1062.225833][ T2520] ? device_add+0x2ea/0x8b0 [ 1062.230344][ T2520] device_add+0x2f8/0x8b0 [ 1062.234658][ T2520] netdev_register_kobject+0xfc/0x230 [ 1062.240017][ T2520] register_netdevice+0x65b/0xb20 [ 1062.245099][ T2520] ip6_tnl_create2+0x87/0x210 [ 1062.249772][ T2520] ip6_tnl_newlink+0x2bf/0x460 [ 1062.254560][ T2520] ? ip6_tnl_validate+0x80/0x80 [ 1062.259443][ T2520] rtnl_newlink+0xee5/0x1670 [ 1062.264097][ T2520] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1062.269382][ T2520] ? rtnl_newlink+0x2b1/0x1670 [ 1062.274215][ T2520] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1062.280502][ T2520] ? _raw_spin_unlock+0x26/0x40 [ 1062.285386][ T2520] ? __mutex_lock+0x21c/0x8d0 [ 1062.290105][ T2520] ? rtnl_setlink+0x300/0x300 [ 1062.294870][ T2520] rtnetlink_rcv_msg+0x807/0x8c0 [ 1062.299816][ T2520] ? kmem_cache_free+0x1d9/0x380 [ 1062.304844][ T2520] ? __kfree_skb+0x104/0x140 [ 1062.309432][ T2520] ? nlmon_xmit+0x4b/0x60 [ 1062.313923][ T2520] ? __kfree_skb+0x104/0x140 [ 1062.318579][ T2520] ? consume_skb+0x57/0x180 [ 1062.323082][ T2520] ? nlmon_xmit+0x4b/0x60 [ 1062.327470][ T2520] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1062.332902][ T2520] ? __dev_queue_xmit+0xaae/0x1d80 [ 1062.338048][ T2520] ? ref_tracker_free+0x3a1/0x400 [ 1062.343062][ T2520] ? __skb_clone+0x279/0x2f0 [ 1062.347677][ T2520] netlink_rcv_skb+0x126/0x220 [ 1062.352444][ T2520] ? rtnetlink_bind+0x60/0x60 [ 1062.357153][ T2520] rtnetlink_rcv+0x1c/0x20 [ 1062.361615][ T2520] netlink_unicast+0x589/0x650 [ 1062.366386][ T2520] netlink_sendmsg+0x66e/0x770 [ 1062.371152][ T2520] ? netlink_getsockopt+0x3e0/0x3e0 [ 1062.376355][ T2520] ____sys_sendmsg+0x37c/0x4d0 [ 1062.381112][ T2520] __sys_sendmsg+0x1e9/0x270 [ 1062.385746][ T2520] __x64_sys_sendmsg+0x46/0x50 [ 1062.390497][ T2520] do_syscall_64+0x44/0x110 [ 1062.395031][ T2520] ? syscall_exit_to_user_mode+0x38/0x140 [ 1062.400820][ T2520] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1062.406716][ T2520] RIP: 0033:0x7f7bcc9aeae9 [ 1062.411117][ T2520] 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 [ 1062.430738][ T2520] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1062.439158][ T2520] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1062.447125][ T2520] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1062.455279][ T2520] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1062.463389][ T2520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1062.471349][ T2520] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1062.479394][ T2520] [ 1062.482582][ T2520] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1062.497123][ T2514] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1062.510323][ T2529] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1062.510606][ T2514] EXT4-fs error (device loop2): ext4_dirty_inode:5965: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1062.519511][ T2529] CPU: 0 PID: 2529 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1062.519565][ T2529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1062.519586][ T2529] Call Trace: [ 1062.519593][ T2529] [ 1062.519599][ T2529] dump_stack_lvl+0xda/0x130 [ 1062.532603][ T2514] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1062.541147][ T2529] dump_stack+0x15/0x20 [ 1062.541189][ T2529] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1062.541217][ T2529] kobject_add_internal+0x3eb/0x730 [ 1062.552413][ T2514] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3005: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1062.554564][ T2529] kobject_add+0xdc/0x150 [ 1062.557569][ T2514] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3008: inode #19: comm syz-executor.2: mark inode dirty (error -117) [ 1062.562027][ T2529] ? kobject_get+0x95/0xc0 [ 1062.562047][ T2529] ? kobject_put+0xd8/0x160 [ 1062.575546][ T2514] EXT4-fs warning (device loop2): ext4_evict_inode:271: xattr delete (err -117) [ 1062.578290][ T2529] ? device_add+0x2ea/0x8b0 [ 1062.640590][ T2529] device_add+0x2f8/0x8b0 [ 1062.644932][ T2529] netdev_register_kobject+0xfc/0x230 [ 1062.650301][ T2529] register_netdevice+0x65b/0xb20 [ 1062.655399][ T2529] ip6_tnl_create2+0x87/0x210 [ 1062.660064][ T2529] ip6_tnl_newlink+0x2bf/0x460 [ 1062.664839][ T2529] ? ip6_tnl_validate+0x80/0x80 [ 1062.669713][ T2529] rtnl_newlink+0xee5/0x1670 [ 1062.674304][ T2529] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1062.680539][ T2529] ? _raw_spin_unlock+0x26/0x40 [ 1062.685383][ T2529] ? __mutex_lock+0x21c/0x8d0 [ 1062.690052][ T2529] ? rtnl_setlink+0x300/0x300 [ 1062.694729][ T2529] rtnetlink_rcv_msg+0x807/0x8c0 [ 1062.699732][ T2529] ? kmem_cache_free+0x1d9/0x380 [ 1062.704710][ T2529] ? __kfree_skb+0x104/0x140 [ 1062.709319][ T2529] ? nlmon_xmit+0x4b/0x60 [ 1062.713643][ T2529] ? __kfree_skb+0x104/0x140 [ 1062.718233][ T2529] ? consume_skb+0x57/0x180 [ 1062.722799][ T2529] ? nlmon_xmit+0x4b/0x60 [ 1062.727180][ T2529] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1062.732468][ T2529] ? __dev_queue_xmit+0xaae/0x1d80 [ 1062.737659][ T2529] ? ref_tracker_free+0x3a1/0x400 [ 1062.742709][ T2529] netlink_rcv_skb+0x126/0x220 [ 1062.747521][ T2529] ? rtnetlink_bind+0x60/0x60 [ 1062.752198][ T2529] rtnetlink_rcv+0x1c/0x20 [ 1062.756683][ T2529] netlink_unicast+0x589/0x650 [ 1062.761506][ T2529] netlink_sendmsg+0x66e/0x770 [ 1062.766341][ T2529] ? netlink_getsockopt+0x3e0/0x3e0 [ 1062.771539][ T2529] ____sys_sendmsg+0x37c/0x4d0 [ 1062.776291][ T2529] __sys_sendmsg+0x1e9/0x270 [ 1062.780894][ T2529] ? wake_up_q+0x3f/0x70 [ 1062.785152][ T2529] __x64_sys_sendmsg+0x46/0x50 [ 1062.789904][ T2529] do_syscall_64+0x44/0x110 [ 1062.794477][ T2529] ? syscall_exit_to_user_mode+0x38/0x140 [ 1062.800199][ T2529] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1062.806205][ T2529] RIP: 0033:0x7fd903c48ae9 [ 1062.810712][ T2529] 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 [ 1062.830342][ T2529] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1062.838744][ T2529] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1062.846768][ T2529] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1062.854729][ T2529] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1062.862735][ T2529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1062.870811][ T2529] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1062.878776][ T2529] [ 1062.881994][ T2529] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1062.900705][ T2521] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1062.902929][ T2533] loop4: detected capacity change from 0 to 512 [ 1062.909859][ T2521] CPU: 1 PID: 2521 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1062.926060][ T2521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1062.936109][ T2521] Call Trace: [ 1062.939377][ T2521] [ 1062.942293][ T2521] dump_stack_lvl+0xda/0x130 [ 1062.946878][ T2521] dump_stack+0x15/0x20 [ 1062.951025][ T2521] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1062.956196][ T2521] kobject_add_internal+0x3eb/0x730 [ 1062.961383][ T2521] kobject_add+0xdc/0x150 [ 1062.965704][ T2521] ? kobject_get+0x95/0xc0 [ 1062.970107][ T2521] ? kobject_put+0xd8/0x160 [ 1062.974597][ T2521] ? device_add+0x2ea/0x8b0 [ 1062.979175][ T2521] device_add+0x2f8/0x8b0 [ 1062.983570][ T2521] netdev_register_kobject+0xfc/0x230 [ 1062.988943][ T2521] register_netdevice+0x65b/0xb20 [ 1062.994020][ T2521] ip6_tnl_create2+0x87/0x210 [ 1062.998732][ T2521] ip6_tnl_newlink+0x2bf/0x460 [ 1063.003594][ T2521] ? ip6_tnl_validate+0x80/0x80 [ 1063.008445][ T2521] rtnl_newlink+0xee5/0x1670 [ 1063.013029][ T2521] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1063.018335][ T2521] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1063.024626][ T2521] ? _raw_spin_unlock+0x26/0x40 [ 1063.029470][ T2521] ? __mutex_lock+0x21c/0x8d0 [ 1063.034135][ T2521] ? rtnl_setlink+0x300/0x300 [ 1063.038842][ T2521] rtnetlink_rcv_msg+0x807/0x8c0 [ 1063.043811][ T2521] ? __mutex_unlock_slowpath+0xf1/0x140 [ 1063.049371][ T2521] ? mutex_unlock+0x1b/0x20 [ 1063.053875][ T2521] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1063.059902][ T2521] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1063.065013][ T2521] ? __rcu_read_unlock+0x4d/0x70 [ 1063.069983][ T2521] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1063.075171][ T2521] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1063.080642][ T2521] ? __rcu_read_unlock+0x4d/0x70 [ 1063.085568][ T2521] ? __rcu_read_unlock+0x4d/0x70 [ 1063.090495][ T2521] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1063.095876][ T2521] netlink_rcv_skb+0x126/0x220 [ 1063.100710][ T2521] ? rtnetlink_bind+0x60/0x60 [ 1063.105390][ T2521] rtnetlink_rcv+0x1c/0x20 [ 1063.109850][ T2521] netlink_unicast+0x589/0x650 [ 1063.114756][ T2521] netlink_sendmsg+0x66e/0x770 [ 1063.119515][ T2521] ? netlink_getsockopt+0x3e0/0x3e0 [ 1063.124711][ T2521] ____sys_sendmsg+0x37c/0x4d0 [ 1063.129477][ T2521] __sys_sendmsg+0x1e9/0x270 [ 1063.134071][ T2521] __x64_sys_sendmsg+0x46/0x50 [ 1063.138874][ T2521] do_syscall_64+0x44/0x110 [ 1063.143367][ T2521] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1063.149260][ T2521] RIP: 0033:0x7f7033abcae9 [ 1063.153662][ T2521] 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 [ 1063.173313][ T2521] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1063.181743][ T2521] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 12:34:44 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) (async) lseek(r3, 0x20400, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) r6 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) fadvise64(r6, 0x4, 0x200, 0x2) (async) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1063.189758][ T2521] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1063.197723][ T2521] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1063.205685][ T2521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1063.213678][ T2521] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1063.221668][ T2521] [ 1063.224763][ T2521] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:44 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x194, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:34:44 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xe, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1063.234409][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1063.251408][ T2538] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1063.260570][ T2538] CPU: 1 PID: 2538 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1063.266032][ T2533] EXT4-fs warning (device loop4): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop4. [ 1063.270557][ T2538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1063.270571][ T2538] Call Trace: [ 1063.270578][ T2538] [ 1063.298048][ T2538] dump_stack_lvl+0xda/0x130 [ 1063.302653][ T2538] dump_stack+0x15/0x20 [ 1063.306814][ T2538] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1063.311918][ T2538] kobject_add_internal+0x3eb/0x730 [ 1063.317100][ T2538] kobject_add+0xdc/0x150 [ 1063.321409][ T2538] ? kobject_get+0x95/0xc0 [ 1063.325806][ T2538] ? kobject_put+0xd8/0x160 [ 1063.330352][ T2538] ? device_add+0x2ea/0x8b0 [ 1063.334971][ T2538] device_add+0x2f8/0x8b0 [ 1063.339292][ T2538] netdev_register_kobject+0xfc/0x230 [ 1063.344654][ T2538] register_netdevice+0x65b/0xb20 [ 1063.349669][ T2538] ip6_tnl_create2+0x87/0x210 [ 1063.354341][ T2538] ip6_tnl_newlink+0x2bf/0x460 [ 1063.359094][ T2538] ? ip6_tnl_validate+0x80/0x80 [ 1063.363964][ T2538] rtnl_newlink+0xee5/0x1670 [ 1063.368664][ T2538] ? __mutex_lock+0x54/0x8d0 [ 1063.373324][ T2538] ? rtnl_setlink+0x300/0x300 [ 1063.378000][ T2538] rtnetlink_rcv_msg+0x807/0x8c0 [ 1063.382937][ T2538] ? kmem_cache_free+0x1d9/0x380 [ 1063.387927][ T2538] ? __kfree_skb+0x104/0x140 [ 1063.392529][ T2538] ? nlmon_xmit+0x4b/0x60 [ 1063.396912][ T2538] ? __kfree_skb+0x104/0x140 [ 1063.401593][ T2538] ? consume_skb+0x57/0x180 [ 1063.406163][ T2538] ? nlmon_xmit+0x4b/0x60 [ 1063.410509][ T2538] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1063.415857][ T2538] ? __dev_queue_xmit+0xaae/0x1d80 [ 1063.420953][ T2538] ? ref_tracker_free+0x3a1/0x400 [ 1063.426035][ T2538] netlink_rcv_skb+0x126/0x220 [ 1063.430813][ T2538] ? rtnetlink_bind+0x60/0x60 [ 1063.435545][ T2538] rtnetlink_rcv+0x1c/0x20 [ 1063.439962][ T2538] netlink_unicast+0x589/0x650 [ 1063.444728][ T2538] netlink_sendmsg+0x66e/0x770 [ 1063.449494][ T2538] ? netlink_getsockopt+0x3e0/0x3e0 [ 1063.454717][ T2538] ____sys_sendmsg+0x37c/0x4d0 [ 1063.459559][ T2538] __sys_sendmsg+0x1e9/0x270 [ 1063.464155][ T2538] __x64_sys_sendmsg+0x46/0x50 [ 1063.468970][ T2538] do_syscall_64+0x44/0x110 [ 1063.473460][ T2538] ? syscall_exit_to_user_mode+0x38/0x140 [ 1063.479186][ T2538] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1063.485066][ T2538] RIP: 0033:0x7fd903c48ae9 [ 1063.489459][ T2538] 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 [ 1063.509186][ T2538] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1063.517577][ T2538] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1063.525569][ T2538] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1063.533563][ T2538] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1063.541577][ T2538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1063.549575][ T2538] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1063.557535][ T2538] [ 1063.560657][ T2538] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1063.580129][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1063.614771][ T2542] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1063.616144][ T2545] loop2: detected capacity change from 0 to 512 [ 1063.623915][ T2542] CPU: 0 PID: 2542 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1063.640092][ T2542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1063.649960][ T2549] loop3: detected capacity change from 0 to 512 [ 1063.650146][ T2542] Call Trace: [ 1063.650154][ T2542] [ 1063.662639][ T2542] dump_stack_lvl+0xda/0x130 [ 1063.667225][ T2542] dump_stack+0x15/0x20 [ 1063.671369][ T2542] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1063.676484][ T2542] kobject_add_internal+0x3eb/0x730 [ 1063.681721][ T2542] kobject_add+0xdc/0x150 [ 1063.686037][ T2542] ? kobject_get+0x95/0xc0 [ 1063.690439][ T2542] ? kobject_put+0xd8/0x160 [ 1063.694945][ T2542] ? device_add+0x2ea/0x8b0 [ 1063.699503][ T2542] device_add+0x2f8/0x8b0 [ 1063.703830][ T2542] netdev_register_kobject+0xfc/0x230 [ 1063.709247][ T2542] register_netdevice+0x65b/0xb20 [ 1063.714338][ T2542] ip6_tnl_create2+0x87/0x210 [ 1063.719003][ T2542] ip6_tnl_newlink+0x2bf/0x460 [ 1063.723781][ T2542] ? ip6_tnl_validate+0x80/0x80 [ 1063.728725][ T2542] rtnl_newlink+0xee5/0x1670 [ 1063.733308][ T2542] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1063.738595][ T2542] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1063.744877][ T2542] ? _raw_spin_unlock+0x26/0x40 [ 1063.749726][ T2542] ? __mutex_lock+0x21c/0x8d0 [ 1063.754393][ T2542] ? rtnl_setlink+0x300/0x300 [ 1063.759142][ T2542] rtnetlink_rcv_msg+0x807/0x8c0 [ 1063.764087][ T2542] ? __rcu_read_unlock+0x4d/0x70 [ 1063.769060][ T2542] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1063.774425][ T2542] netlink_rcv_skb+0x126/0x220 [ 1063.779187][ T2542] ? rtnetlink_bind+0x60/0x60 [ 1063.783908][ T2542] rtnetlink_rcv+0x1c/0x20 [ 1063.788322][ T2542] netlink_unicast+0x589/0x650 [ 1063.793089][ T2542] netlink_sendmsg+0x66e/0x770 [ 1063.797974][ T2542] ? netlink_getsockopt+0x3e0/0x3e0 [ 1063.803218][ T2542] ____sys_sendmsg+0x37c/0x4d0 [ 1063.808023][ T2542] __sys_sendmsg+0x1e9/0x270 [ 1063.812611][ T2542] __x64_sys_sendmsg+0x46/0x50 [ 1063.817368][ T2542] do_syscall_64+0x44/0x110 [ 1063.821861][ T2542] ? syscall_exit_to_user_mode+0x38/0x140 [ 1063.827575][ T2542] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1063.833516][ T2542] RIP: 0033:0x7f7033abcae9 [ 1063.837917][ T2542] 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 [ 1063.857516][ T2542] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 12:34:45 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x196, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1063.865966][ T2542] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1063.873946][ T2542] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1063.881905][ T2542] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1063.889919][ T2542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1063.897922][ T2542] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1063.905885][ T2542] 12:34:45 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext2\x00', &(0x7f0000000500)='./file0\x00', 0x24028, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x504, &(0x7f0000000cc0)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r2 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r2, r1, 0x0, 0xf6c1) ioctl$TIOCGPTPEER(r2, 0x5441, 0x7bb) preadv(r1, &(0x7f0000000c40)=[{&(0x7f00000003c0)}, {&(0x7f0000000400)=""/5, 0x5}, {&(0x7f0000000440)=""/91, 0x5b}, {&(0x7f00000003c0)=""/34, 0x22}, {&(0x7f0000000540)=""/59, 0x3b}, {&(0x7f0000000b00)=""/33, 0x21}, {&(0x7f0000000b40)=""/203, 0xcb}], 0x7, 0x2, 0x5) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) getsockopt$inet_mreqn(r0, 0x0, 0x20, &(0x7f00000000c0)={@empty, @empty, 0x0}, &(0x7f0000000100)=0xc) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x88000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=@bridge_getneigh={0xb0, 0x1e, 0x20, 0x70bd29, 0x25dfdbfe, {0x7, 0x0, 0x0, r5, 0x40000, 0x1}, [@IFLA_PROP_LIST={0x90, 0x34, 0x0, 0x1, [{0x14, 0x35, 'batadv_slave_0\x00'}, {0x14, 0x35, 'geneve1\x00'}, {0x14, 0x35, 'nr0\x00'}, {0x14, 0x35, 'bond0\x00'}, {0x14, 0x35, 'geneve0\x00'}, {0x14, 0x35, 'veth1_virt_wifi\x00'}, {0x14, 0x35, 'team_slave_1\x00'}]}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000001}, 0x4040811) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r6, 0x0, 0x80001d00c0d0) 12:34:45 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r9 = dup3(0xffffffffffffffff, r8, 0x0) sendmsg$nl_route_sched(r9, &(0x7f0000000600)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000480)={&(0x7f0000000640)=ANY=[@ANYBLOB="78000000320000013f000000fddbdf250000000008000400020000000f459934e60612d3480001000cab1a41f8fe39c5bb74000010000f000b0001006d697272656400000c000a000800030003000000100017000b000100706f6c69636500000c000f0008000300040000000c00020001000000000000004aa5f17d6e02f932ad04c2afdf48ce7edeae699264c2520ac1"], 0x78}}, 0x90) [ 1063.908968][ T2542] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1063.935200][ T2551] loop4: detected capacity change from 0 to 512 [ 1063.947730][ T2549] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. 12:34:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xf, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1063.948014][ T2548] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1063.969409][ T2548] CPU: 1 PID: 2548 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1063.972139][ T2549] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1449/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1063.979379][ T2548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1063.979392][ T2548] Call Trace: [ 1063.979399][ T2548] [ 1063.979405][ T2548] dump_stack_lvl+0xda/0x130 [ 1064.015086][ T2548] dump_stack+0x15/0x20 [ 1064.019263][ T2548] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1064.024369][ T2548] kobject_add_internal+0x3eb/0x730 [ 1064.029559][ T2548] kobject_add+0xdc/0x150 [ 1064.033881][ T2548] ? kobject_get+0x95/0xc0 [ 1064.038356][ T2548] ? kobject_put+0xd8/0x160 [ 1064.042846][ T2548] ? device_add+0x2ea/0x8b0 [ 1064.047344][ T2548] device_add+0x2f8/0x8b0 [ 1064.051686][ T2548] netdev_register_kobject+0xfc/0x230 [ 1064.057130][ T2548] register_netdevice+0x65b/0xb20 [ 1064.062252][ T2548] ip6_tnl_create2+0x87/0x210 [ 1064.066980][ T2548] ip6_tnl_newlink+0x2bf/0x460 [ 1064.071741][ T2548] ? ip6_tnl_validate+0x80/0x80 [ 1064.076649][ T2548] rtnl_newlink+0xee5/0x1670 [ 1064.081233][ T2548] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1064.086624][ T2548] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1064.092901][ T2548] ? _raw_spin_unlock+0x26/0x40 [ 1064.097867][ T2548] ? __mutex_lock+0x21c/0x8d0 [ 1064.102610][ T2548] ? rtnl_setlink+0x300/0x300 [ 1064.107336][ T2548] rtnetlink_rcv_msg+0x807/0x8c0 [ 1064.112282][ T2548] ? kmem_cache_free+0x1d9/0x380 [ 1064.117216][ T2548] ? __kfree_skb+0x104/0x140 [ 1064.121804][ T2548] ? nlmon_xmit+0x4b/0x60 [ 1064.126178][ T2548] ? __kfree_skb+0x104/0x140 [ 1064.130797][ T2548] ? consume_skb+0x57/0x180 [ 1064.135301][ T2548] ? nlmon_xmit+0x4b/0x60 [ 1064.139714][ T2548] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1064.145008][ T2548] ? __dev_queue_xmit+0xaae/0x1d80 [ 1064.150131][ T2548] ? ref_tracker_free+0x3a1/0x400 [ 1064.155207][ T2548] netlink_rcv_skb+0x126/0x220 [ 1064.160020][ T2548] ? rtnetlink_bind+0x60/0x60 [ 1064.164701][ T2548] rtnetlink_rcv+0x1c/0x20 [ 1064.169138][ T2548] netlink_unicast+0x589/0x650 [ 1064.173919][ T2548] netlink_sendmsg+0x66e/0x770 [ 1064.178742][ T2548] ? netlink_getsockopt+0x3e0/0x3e0 [ 1064.183956][ T2548] ____sys_sendmsg+0x37c/0x4d0 [ 1064.188768][ T2548] __sys_sendmsg+0x1e9/0x270 [ 1064.193354][ T2548] __x64_sys_sendmsg+0x46/0x50 [ 1064.198106][ T2548] do_syscall_64+0x44/0x110 [ 1064.202608][ T2548] ? syscall_exit_to_user_mode+0x38/0x140 [ 1064.208373][ T2548] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1064.214327][ T2548] RIP: 0033:0x7fd903c48ae9 [ 1064.218729][ T2548] 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 [ 1064.238399][ T2548] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1064.246803][ T2548] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1064.254763][ T2548] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1064.262782][ T2548] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1064.270740][ T2548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1064.278777][ T2548] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1064.286739][ T2548] [ 1064.289879][ T2548] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:45 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x19c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1064.309968][ T2561] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1064.319210][ T2561] CPU: 1 PID: 2561 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1064.329186][ T2561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1064.331271][ T2545] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1064.339230][ T2561] Call Trace: [ 1064.339237][ T2561] [ 1064.339244][ T2561] dump_stack_lvl+0xda/0x130 [ 1064.351858][ T2545] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1463/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1064.354918][ T2561] dump_stack+0x15/0x20 [ 1064.354942][ T2561] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1064.386677][ T2561] kobject_add_internal+0x3eb/0x730 [ 1064.391870][ T2561] kobject_add+0xdc/0x150 [ 1064.396211][ T2561] ? kobject_get+0x95/0xc0 [ 1064.400625][ T2561] ? kobject_put+0xd8/0x160 [ 1064.405179][ T2561] ? device_add+0x2ea/0x8b0 [ 1064.409680][ T2561] device_add+0x2f8/0x8b0 [ 1064.414035][ T2561] netdev_register_kobject+0xfc/0x230 [ 1064.419418][ T2561] register_netdevice+0x65b/0xb20 [ 1064.424435][ T2561] ip6_tnl_create2+0x87/0x210 [ 1064.429112][ T2561] ip6_tnl_newlink+0x2bf/0x460 [ 1064.433913][ T2561] ? ip6_tnl_validate+0x80/0x80 [ 1064.438752][ T2561] rtnl_newlink+0xee5/0x1670 [ 1064.443350][ T2561] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1064.448642][ T2561] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1064.454906][ T2561] ? _raw_spin_unlock+0x26/0x40 [ 1064.459742][ T2561] ? __mutex_lock+0x21c/0x8d0 [ 1064.464418][ T2561] ? rtnl_setlink+0x300/0x300 [ 1064.469078][ T2561] rtnetlink_rcv_msg+0x807/0x8c0 [ 1064.474027][ T2561] ? __rcu_read_unlock+0x4d/0x70 [ 1064.478970][ T2561] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1064.484323][ T2561] netlink_rcv_skb+0x126/0x220 [ 1064.489133][ T2561] ? rtnetlink_bind+0x60/0x60 [ 1064.493898][ T2561] rtnetlink_rcv+0x1c/0x20 [ 1064.498325][ T2561] netlink_unicast+0x589/0x650 [ 1064.503162][ T2561] netlink_sendmsg+0x66e/0x770 [ 1064.507913][ T2561] ? netlink_getsockopt+0x3e0/0x3e0 [ 1064.513214][ T2561] ____sys_sendmsg+0x37c/0x4d0 [ 1064.518094][ T2561] __sys_sendmsg+0x1e9/0x270 [ 1064.522747][ T2561] __x64_sys_sendmsg+0x46/0x50 [ 1064.527489][ T2561] do_syscall_64+0x44/0x110 [ 1064.532025][ T2561] ? syscall_exit_to_user_mode+0x38/0x140 [ 1064.537763][ T2561] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1064.543696][ T2561] RIP: 0033:0x7f7033abcae9 [ 1064.548089][ T2561] 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 [ 1064.567678][ T2561] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1064.576070][ T2561] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1064.584107][ T2561] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1064.592060][ T2561] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1064.600103][ T2561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1064.608054][ T2561] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1064.616018][ T2561] 12:34:46 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000600)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x42c0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000600)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x42c0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) 12:34:46 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket(0x10, 0x803, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) (async) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) dup3(0xffffffffffffffff, r8, 0x0) (async) r9 = dup3(0xffffffffffffffff, r8, 0x0) sendmsg$nl_route_sched(r9, &(0x7f0000000600)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000480)={&(0x7f0000000640)=ANY=[@ANYBLOB="78000000320000013f000000fddbdf250000000008000400020000000f459934e60612d3480001000cab1a41f8fe39c5bb74000010000f000b0001006d697272656400000c000a000800030003000000100017000b000100706f6c69636500000c000f0008000300040000000c00020001000000000000004aa5f17d6e02f932ad04c2afdf48ce7edeae699264c2520ac1"], 0x78}}, 0x90) 12:34:46 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) r6 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) fadvise64(r6, 0x4, 0x200, 0x2) (async) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1064.619251][ T2561] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1064.635800][T31240] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1064.641915][ T2565] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1064.654442][ T2565] CPU: 1 PID: 2565 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1064.664449][ T2565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1064.674501][ T2565] Call Trace: [ 1064.677767][ T2565] [ 1064.680685][ T2565] dump_stack_lvl+0xda/0x130 [ 1064.685303][ T2565] dump_stack+0x15/0x20 [ 1064.689559][ T2565] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1064.694666][ T2565] kobject_add_internal+0x3eb/0x730 [ 1064.699855][ T2565] kobject_add+0xdc/0x150 [ 1064.704179][ T2565] ? kobject_get+0x95/0xc0 [ 1064.708632][ T2565] ? kobject_put+0xd8/0x160 [ 1064.713195][ T2565] ? device_add+0x2ea/0x8b0 [ 1064.717765][ T2565] device_add+0x2f8/0x8b0 [ 1064.722090][ T2565] netdev_register_kobject+0xfc/0x230 [ 1064.727502][ T2565] register_netdevice+0x65b/0xb20 [ 1064.732532][ T2565] ip6_tnl_create2+0x87/0x210 [ 1064.737225][ T2565] ip6_tnl_newlink+0x2bf/0x460 [ 1064.742063][ T2565] ? ip6_tnl_validate+0x80/0x80 [ 1064.746948][ T2565] rtnl_newlink+0xee5/0x1670 [ 1064.751653][ T2565] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1064.757908][ T2565] ? _raw_spin_unlock+0x26/0x40 [ 1064.762750][ T2565] ? __mutex_lock+0x21c/0x8d0 [ 1064.767432][ T2565] ? rtnl_setlink+0x300/0x300 [ 1064.772205][ T2565] rtnetlink_rcv_msg+0x807/0x8c0 [ 1064.777177][ T2565] ? kmem_cache_free+0x1d9/0x380 [ 1064.782238][ T2565] ? __kfree_skb+0x104/0x140 [ 1064.786865][ T2565] ? nlmon_xmit+0x4b/0x60 [ 1064.791245][ T2565] ? __kfree_skb+0x104/0x140 [ 1064.795829][ T2565] ? consume_skb+0x57/0x180 [ 1064.800336][ T2565] ? nlmon_xmit+0x4b/0x60 [ 1064.804693][ T2565] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1064.810002][ T2565] ? __dev_queue_xmit+0xaae/0x1d80 [ 1064.815114][ T2565] ? ref_tracker_free+0x3a1/0x400 [ 1064.820128][ T2565] netlink_rcv_skb+0x126/0x220 [ 1064.824906][ T2565] ? rtnetlink_bind+0x60/0x60 [ 1064.829581][ T2565] rtnetlink_rcv+0x1c/0x20 [ 1064.834026][ T2565] netlink_unicast+0x589/0x650 [ 1064.838815][ T2565] netlink_sendmsg+0x66e/0x770 [ 1064.843643][ T2565] ? netlink_getsockopt+0x3e0/0x3e0 [ 1064.848840][ T2565] ____sys_sendmsg+0x37c/0x4d0 [ 1064.853670][ T2565] __sys_sendmsg+0x1e9/0x270 [ 1064.858303][ T2565] ? wake_up_q+0x3f/0x70 [ 1064.862574][ T2565] __x64_sys_sendmsg+0x46/0x50 [ 1064.867391][ T2565] do_syscall_64+0x44/0x110 [ 1064.871887][ T2565] ? syscall_exit_to_user_mode+0x38/0x140 [ 1064.877601][ T2565] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1064.883492][ T2565] RIP: 0033:0x7fd903c48ae9 [ 1064.887896][ T2565] 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 [ 1064.907551][ T2565] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 12:34:46 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x10, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1064.915997][ T2565] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1064.923956][ T2565] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1064.931926][ T2565] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1064.939883][ T2565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1064.947904][ T2565] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1064.955865][ T2565] [ 1064.959025][ T2565] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1064.984618][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1064.995744][ T2573] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1064.998178][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1065.004939][ T2573] CPU: 0 PID: 2573 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1065.004959][ T2573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1065.004968][ T2573] Call Trace: [ 1065.004973][ T2573] [ 1065.004978][ T2573] dump_stack_lvl+0xda/0x130 [ 1065.044696][ T2573] dump_stack+0x15/0x20 [ 1065.048887][ T2573] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1065.054001][ T2573] kobject_add_internal+0x3eb/0x730 [ 1065.059204][ T2573] kobject_add+0xdc/0x150 [ 1065.063558][ T2573] ? kobject_get+0x95/0xc0 12:34:46 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1a1, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1065.067969][ T2573] ? kobject_put+0xd8/0x160 [ 1065.072469][ T2573] ? device_add+0x2ea/0x8b0 [ 1065.077017][ T2573] device_add+0x2f8/0x8b0 [ 1065.081392][ T2573] netdev_register_kobject+0xfc/0x230 [ 1065.086775][ T2573] register_netdevice+0x65b/0xb20 [ 1065.091849][ T2573] ip6_tnl_create2+0x87/0x210 [ 1065.096529][ T2573] ip6_tnl_newlink+0x2bf/0x460 [ 1065.101344][ T2573] ? ip6_tnl_validate+0x80/0x80 [ 1065.106286][ T2573] rtnl_newlink+0xee5/0x1670 [ 1065.110893][ T2573] ? rtnl_newlink+0x2b1/0x1670 [ 1065.115678][ T2573] ? security_capable+0x5e/0x80 [ 1065.120548][ T2573] ? ns_capable+0x7c/0xb0 [ 1065.124883][ T2573] ? rtnl_setlink+0x300/0x300 [ 1065.129642][ T2573] rtnetlink_rcv_msg+0x807/0x8c0 [ 1065.134645][ T2573] ? kmem_cache_free+0x1d9/0x380 [ 1065.139587][ T2573] ? __kfree_skb+0x104/0x140 [ 1065.144186][ T2573] ? nlmon_xmit+0x4b/0x60 [ 1065.148530][ T2573] ? __kfree_skb+0x104/0x140 [ 1065.153136][ T2573] ? consume_skb+0x57/0x180 [ 1065.157643][ T2573] ? nlmon_xmit+0x4b/0x60 [ 1065.161968][ T2573] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1065.167270][ T2573] ? __dev_queue_xmit+0xaae/0x1d80 [ 1065.172458][ T2573] ? ref_tracker_free+0x3a1/0x400 [ 1065.177581][ T2573] netlink_rcv_skb+0x126/0x220 [ 1065.182430][ T2573] ? rtnetlink_bind+0x60/0x60 [ 1065.187119][ T2573] rtnetlink_rcv+0x1c/0x20 [ 1065.191548][ T2573] netlink_unicast+0x589/0x650 [ 1065.196337][ T2573] netlink_sendmsg+0x66e/0x770 [ 1065.201131][ T2573] ? netlink_getsockopt+0x3e0/0x3e0 [ 1065.206434][ T2573] ____sys_sendmsg+0x37c/0x4d0 [ 1065.211219][ T2573] __sys_sendmsg+0x1e9/0x270 [ 1065.215849][ T2573] __x64_sys_sendmsg+0x46/0x50 [ 1065.220646][ T2573] do_syscall_64+0x44/0x110 [ 1065.225151][ T2573] ? syscall_exit_to_user_mode+0x38/0x140 [ 1065.230888][ T2573] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1065.236854][ T2573] RIP: 0033:0x7f7bcc9aeae9 [ 1065.241406][ T2573] 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 [ 1065.261095][ T2573] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1065.269633][ T2573] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1065.277604][ T2573] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1065.285581][ T2573] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1065.293607][ T2573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1065.301577][ T2573] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1065.309558][ T2573] [ 1065.312675][ T2573] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1065.330008][ T2572] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1065.339158][ T2572] CPU: 0 PID: 2572 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1065.349184][ T2572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1065.359298][ T2572] Call Trace: [ 1065.362575][ T2572] [ 1065.365509][ T2572] dump_stack_lvl+0xda/0x130 [ 1065.370102][ T2572] dump_stack+0x15/0x20 [ 1065.374259][ T2572] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1065.379416][ T2572] kobject_add_internal+0x3eb/0x730 [ 1065.384614][ T2572] kobject_add+0xdc/0x150 [ 1065.388945][ T2572] ? kobject_get+0x95/0xc0 [ 1065.393360][ T2572] ? kobject_put+0xd8/0x160 [ 1065.397858][ T2572] ? device_add+0x2ea/0x8b0 [ 1065.402398][ T2572] device_add+0x2f8/0x8b0 [ 1065.406810][ T2572] netdev_register_kobject+0xfc/0x230 [ 1065.412198][ T2572] register_netdevice+0x65b/0xb20 [ 1065.417233][ T2572] ip6_tnl_create2+0x87/0x210 [ 1065.421914][ T2572] ip6_tnl_newlink+0x2bf/0x460 [ 1065.426694][ T2572] ? ip6_tnl_validate+0x80/0x80 [ 1065.431606][ T2572] rtnl_newlink+0xee5/0x1670 [ 1065.436264][ T2572] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1065.441558][ T2572] ? rtnl_newlink+0x2b1/0x1670 [ 1065.446396][ T2572] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1065.452646][ T2572] ? _raw_spin_unlock+0x26/0x40 [ 1065.457509][ T2572] ? __mutex_lock+0x21c/0x8d0 [ 1065.462189][ T2572] ? rtnl_setlink+0x300/0x300 [ 1065.466899][ T2572] rtnetlink_rcv_msg+0x807/0x8c0 [ 1065.471861][ T2572] ? nlmon_xmit+0x4b/0x60 [ 1065.476202][ T2572] ? nlmon_xmit+0x4b/0x60 [ 1065.480534][ T2572] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1065.485831][ T2572] ? kmem_cache_free+0x1d9/0x380 [ 1065.490781][ T2572] ? __kfree_skb+0x104/0x140 [ 1065.495381][ T2572] ? nlmon_xmit+0x4b/0x60 [ 1065.499727][ T2572] ? __kfree_skb+0x104/0x140 [ 1065.504483][ T2572] ? consume_skb+0x57/0x180 [ 1065.508993][ T2572] ? nlmon_xmit+0x4b/0x60 [ 1065.513326][ T2572] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1065.518677][ T2572] ? __dev_queue_xmit+0xaae/0x1d80 [ 1065.523793][ T2572] ? ref_tracker_free+0x3a1/0x400 [ 1065.528870][ T2572] netlink_rcv_skb+0x126/0x220 [ 1065.533681][ T2572] ? rtnetlink_bind+0x60/0x60 [ 1065.538417][ T2572] rtnetlink_rcv+0x1c/0x20 [ 1065.542877][ T2572] netlink_unicast+0x589/0x650 [ 1065.547711][ T2572] netlink_sendmsg+0x66e/0x770 [ 1065.552492][ T2572] ? netlink_getsockopt+0x3e0/0x3e0 [ 1065.557701][ T2572] ____sys_sendmsg+0x37c/0x4d0 [ 1065.562534][ T2572] __sys_sendmsg+0x1e9/0x270 [ 1065.567203][ T2572] __x64_sys_sendmsg+0x46/0x50 [ 1065.571975][ T2572] do_syscall_64+0x44/0x110 [ 1065.576486][ T2572] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1065.582389][ T2572] RIP: 0033:0x7f7bcc9aeae9 [ 1065.586870][ T2572] 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 [ 1065.606489][ T2572] RSP: 002b:00007f7bcbd310c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1065.614939][ T2572] RAX: ffffffffffffffda RBX: 00007f7bccacdf80 RCX: 00007f7bcc9aeae9 [ 1065.622907][ T2572] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1065.630873][ T2572] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1065.638847][ T2572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1065.646818][ T2572] R13: 000000000000000b R14: 00007f7bccacdf80 R15: 00007ffcd1f66038 [ 1065.654788][ T2572] [ 1065.657985][ T2572] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1065.678340][ T2586] loop2: detected capacity change from 0 to 512 [ 1065.687979][ T2585] loop3: detected capacity change from 0 to 512 [ 1065.696992][ T2576] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1065.706192][ T2576] CPU: 1 PID: 2576 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1065.716221][ T2576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1065.726308][ T2576] Call Trace: [ 1065.729584][ T2576] [ 1065.732512][ T2576] dump_stack_lvl+0xda/0x130 [ 1065.737228][ T2576] dump_stack+0x15/0x20 [ 1065.741464][ T2576] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1065.746585][ T2576] kobject_add_internal+0x3eb/0x730 [ 1065.751787][ T2576] kobject_add+0xdc/0x150 [ 1065.756128][ T2576] ? kobject_get+0x95/0xc0 [ 1065.760614][ T2576] ? kobject_put+0xd8/0x160 [ 1065.765117][ T2576] ? device_add+0x2ea/0x8b0 [ 1065.769705][ T2576] device_add+0x2f8/0x8b0 12:34:47 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext2\x00', &(0x7f0000000500)='./file0\x00', 0x24028, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x504, &(0x7f0000000cc0)="$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") (async, rerun: 64) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) (rerun: 64) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r2 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r2, r1, 0x0, 0xf6c1) ioctl$TIOCGPTPEER(r2, 0x5441, 0x7bb) (async) preadv(r1, &(0x7f0000000c40)=[{&(0x7f00000003c0)}, {&(0x7f0000000400)=""/5, 0x5}, {&(0x7f0000000440)=""/91, 0x5b}, {&(0x7f00000003c0)=""/34, 0x22}, {&(0x7f0000000540)=""/59, 0x3b}, {&(0x7f0000000b00)=""/33, 0x21}, {&(0x7f0000000b40)=""/203, 0xcb}], 0x7, 0x2, 0x5) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) getsockopt$inet_mreqn(r0, 0x0, 0x20, &(0x7f00000000c0)={@empty, @empty, 0x0}, &(0x7f0000000100)=0xc) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x88000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=@bridge_getneigh={0xb0, 0x1e, 0x20, 0x70bd29, 0x25dfdbfe, {0x7, 0x0, 0x0, r5, 0x40000, 0x1}, [@IFLA_PROP_LIST={0x90, 0x34, 0x0, 0x1, [{0x14, 0x35, 'batadv_slave_0\x00'}, {0x14, 0x35, 'geneve1\x00'}, {0x14, 0x35, 'nr0\x00'}, {0x14, 0x35, 'bond0\x00'}, {0x14, 0x35, 'geneve0\x00'}, {0x14, 0x35, 'veth1_virt_wifi\x00'}, {0x14, 0x35, 'team_slave_1\x00'}]}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000001}, 0x4040811) (async, rerun: 32) ftruncate(r4, 0x800) (rerun: 32) lseek(r3, 0x20400, 0x0) (async) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r6, 0x0, 0x80001d00c0d0) [ 1065.774121][ T2576] netdev_register_kobject+0xfc/0x230 [ 1065.779515][ T2576] register_netdevice+0x65b/0xb20 [ 1065.784626][ T2576] ip6_tnl_create2+0x87/0x210 [ 1065.789366][ T2576] ip6_tnl_newlink+0x2bf/0x460 [ 1065.794143][ T2576] ? ip6_tnl_validate+0x80/0x80 [ 1065.799014][ T2576] rtnl_newlink+0xee5/0x1670 [ 1065.803610][ T2576] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1065.808921][ T2576] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1065.815188][ T2576] ? _raw_spin_unlock+0x26/0x40 [ 1065.820139][ T2576] ? __mutex_lock+0x21c/0x8d0 [ 1065.824832][ T2576] ? rtnl_setlink+0x300/0x300 [ 1065.829525][ T2576] rtnetlink_rcv_msg+0x807/0x8c0 [ 1065.834494][ T2576] ? __rcu_read_unlock+0x4d/0x70 [ 1065.839439][ T2576] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1065.844418][ T2585] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1065.844812][ T2576] netlink_rcv_skb+0x126/0x220 [ 1065.857416][ T2586] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1065.861931][ T2576] ? rtnetlink_bind+0x60/0x60 [ 1065.874857][ T2585] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1450/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1065.879014][ T2576] rtnetlink_rcv+0x1c/0x20 [ 1065.893999][ T2586] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1464/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1065.898305][ T2576] netlink_unicast+0x589/0x650 [ 1065.917966][ T2576] netlink_sendmsg+0x66e/0x770 [ 1065.922745][ T2576] ? netlink_getsockopt+0x3e0/0x3e0 [ 1065.928142][ T2576] ____sys_sendmsg+0x37c/0x4d0 [ 1065.932907][ T2576] __sys_sendmsg+0x1e9/0x270 [ 1065.937556][ T2576] __x64_sys_sendmsg+0x46/0x50 [ 1065.942310][ T2576] do_syscall_64+0x44/0x110 [ 1065.946815][ T2576] ? syscall_exit_to_user_mode+0x38/0x140 [ 1065.952669][ T2576] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1065.958549][ T2576] RIP: 0033:0x7f7033abcae9 [ 1065.962962][ T2576] 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 [ 1065.982615][ T2576] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1065.991063][ T2576] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1065.999014][ T2576] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1066.006977][ T2576] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1066.014934][ T2576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:34:47 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) open(&(0x7f0000000000)='./bus\x00', 0x440, 0x52) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) r6 = dup(r2) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r6, 0xc0096616, &(0x7f0000000280)={0x3, [0x0, 0x0, 0x0]}) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r7 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r7, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) sendfile(r5, r7, 0x0, 0x65467534) r8 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r8, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) r9 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) r10 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$inet(r10, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x2000041) ioctl$EVIOCSKEYCODE_V2(r9, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) fcntl$setstatus(r9, 0x4, 0x40000) [ 1066.022885][ T2576] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1066.030840][ T2576] 12:34:47 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000600)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x42c0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 32) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (rerun: 32) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) (async, rerun: 64) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 64) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1066.062036][ T2576] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1066.077770][ T2579] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1066.086999][ T2579] CPU: 1 PID: 2579 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1066.096986][ T2579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1066.107043][ T2579] Call Trace: 12:34:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x11, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1066.110326][ T2579] [ 1066.113257][ T2579] dump_stack_lvl+0xda/0x130 [ 1066.117141][ T2600] loop4: detected capacity change from 0 to 512 [ 1066.117849][ T2579] dump_stack+0x15/0x20 [ 1066.128256][ T2579] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1066.133395][ T2579] kobject_add_internal+0x3eb/0x730 [ 1066.138766][ T2579] kobject_add+0xdc/0x150 [ 1066.143103][ T2579] ? kobject_get+0x95/0xc0 [ 1066.147536][ T2579] ? kobject_put+0xd8/0x160 [ 1066.152052][ T2579] ? device_add+0x2ea/0x8b0 [ 1066.156645][ T2579] device_add+0x2f8/0x8b0 [ 1066.160963][ T2579] netdev_register_kobject+0xfc/0x230 [ 1066.166322][ T2579] register_netdevice+0x65b/0xb20 [ 1066.171333][ T2579] ip6_tnl_create2+0x87/0x210 [ 1066.176051][ T2579] ip6_tnl_newlink+0x2bf/0x460 [ 1066.180815][ T2579] ? ip6_tnl_validate+0x80/0x80 [ 1066.185797][ T2579] rtnl_newlink+0xee5/0x1670 [ 1066.190434][ T2579] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1066.195733][ T2579] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1066.201983][ T2579] ? _raw_spin_unlock+0x26/0x40 [ 1066.206818][ T2579] ? __mutex_lock+0x21c/0x8d0 [ 1066.211476][ T2579] ? rtnl_setlink+0x300/0x300 [ 1066.216137][ T2579] rtnetlink_rcv_msg+0x807/0x8c0 [ 1066.221064][ T2579] ? kmem_cache_free+0x1d9/0x380 [ 1066.225985][ T2579] ? __kfree_skb+0x104/0x140 [ 1066.230643][ T2579] ? nlmon_xmit+0x4b/0x60 [ 1066.235014][ T2579] ? __kfree_skb+0x104/0x140 [ 1066.239615][ T2579] ? consume_skb+0x57/0x180 [ 1066.244160][ T2579] ? nlmon_xmit+0x4b/0x60 [ 1066.248562][ T2579] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1066.253832][ T2579] ? __dev_queue_xmit+0xaae/0x1d80 [ 1066.258961][ T2579] ? ref_tracker_free+0x3a1/0x400 [ 1066.264100][ T2579] netlink_rcv_skb+0x126/0x220 [ 1066.268930][ T2579] ? rtnetlink_bind+0x60/0x60 [ 1066.273612][ T2579] rtnetlink_rcv+0x1c/0x20 [ 1066.278073][ T2579] netlink_unicast+0x589/0x650 [ 1066.282838][ T2579] netlink_sendmsg+0x66e/0x770 [ 1066.287588][ T2579] ? netlink_getsockopt+0x3e0/0x3e0 [ 1066.293005][ T2579] ____sys_sendmsg+0x37c/0x4d0 [ 1066.297934][ T2579] __sys_sendmsg+0x1e9/0x270 [ 1066.302512][ T2579] __x64_sys_sendmsg+0x46/0x50 [ 1066.307378][ T2579] do_syscall_64+0x44/0x110 [ 1066.311871][ T2579] ? syscall_exit_to_user_mode+0x38/0x140 [ 1066.317583][ T2579] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1066.323541][ T2579] RIP: 0033:0x7fd903c48ae9 [ 1066.328066][ T2579] 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 [ 1066.347654][ T2579] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1066.356048][ T2579] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1066.364121][ T2579] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1066.372074][ T2579] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1066.380142][ T2579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1066.388092][ T2579] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1066.396047][ T2579] [ 1066.399131][ T2579] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:48 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1b2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:34:48 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee01, 0xee00}}, './file0\x00'}) ioctl$TUNGETIFF(r1, 0x800454d2, &(0x7f0000000480)={'vlan0\x00'}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r3) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r3, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r5) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r6}, 0x10) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) socket$xdp(0x2c, 0x3, 0x0) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r6, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r8], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r9 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1066.401133][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1066.425280][ T2606] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1066.430502][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1066.434395][ T2606] CPU: 0 PID: 2606 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1066.453435][ T2606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1066.463546][ T2606] Call Trace: [ 1066.466852][ T2606] [ 1066.469764][ T2606] dump_stack_lvl+0xda/0x130 [ 1066.474374][ T2606] dump_stack+0x15/0x20 [ 1066.478512][ T2606] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1066.483608][ T2606] kobject_add_internal+0x3eb/0x730 [ 1066.488824][ T2606] kobject_add+0xdc/0x150 [ 1066.493209][ T2606] ? kobject_get+0x95/0xc0 [ 1066.497602][ T2606] ? kobject_put+0xd8/0x160 [ 1066.502164][ T2606] ? device_add+0x2ea/0x8b0 [ 1066.506678][ T2606] device_add+0x2f8/0x8b0 [ 1066.511032][ T2606] netdev_register_kobject+0xfc/0x230 [ 1066.516463][ T2606] register_netdevice+0x65b/0xb20 [ 1066.521476][ T2606] ip6_tnl_create2+0x87/0x210 [ 1066.526133][ T2606] ip6_tnl_newlink+0x2bf/0x460 [ 1066.530896][ T2606] ? ip6_tnl_validate+0x80/0x80 [ 1066.535764][ T2606] rtnl_newlink+0xee5/0x1670 [ 1066.540368][ T2606] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1066.545665][ T2606] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1066.551966][ T2606] ? _raw_spin_unlock+0x26/0x40 [ 1066.556800][ T2606] ? __mutex_lock+0x21c/0x8d0 [ 1066.561543][ T2606] ? rtnl_setlink+0x300/0x300 [ 1066.566207][ T2606] rtnetlink_rcv_msg+0x807/0x8c0 [ 1066.571256][ T2606] ? __rcu_read_unlock+0x4d/0x70 [ 1066.576175][ T2606] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1066.581564][ T2606] netlink_rcv_skb+0x126/0x220 [ 1066.586400][ T2606] ? rtnetlink_bind+0x60/0x60 [ 1066.591088][ T2606] rtnetlink_rcv+0x1c/0x20 [ 1066.595571][ T2606] netlink_unicast+0x589/0x650 [ 1066.600322][ T2606] netlink_sendmsg+0x66e/0x770 [ 1066.605077][ T2606] ? netlink_getsockopt+0x3e0/0x3e0 [ 1066.610271][ T2606] ____sys_sendmsg+0x37c/0x4d0 [ 1066.615123][ T2606] __sys_sendmsg+0x1e9/0x270 [ 1066.619771][ T2606] __x64_sys_sendmsg+0x46/0x50 [ 1066.624642][ T2606] do_syscall_64+0x44/0x110 [ 1066.629195][ T2606] ? irqentry_exit+0x12/0x40 [ 1066.633813][ T2606] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1066.639734][ T2606] RIP: 0033:0x7f7033abcae9 [ 1066.644194][ T2606] 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 [ 1066.663896][ T2606] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1066.672297][ T2606] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1066.680305][ T2606] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1066.688341][ T2606] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1066.696304][ T2606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1066.704329][ T2606] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 12:34:48 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext2\x00', &(0x7f0000000500)='./file0\x00', 0x24028, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x504, &(0x7f0000000cc0)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r2 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r2, r1, 0x0, 0xf6c1) ioctl$TIOCGPTPEER(r2, 0x5441, 0x7bb) (async) preadv(r1, &(0x7f0000000c40)=[{&(0x7f00000003c0)}, {&(0x7f0000000400)=""/5, 0x5}, {&(0x7f0000000440)=""/91, 0x5b}, {&(0x7f00000003c0)=""/34, 0x22}, {&(0x7f0000000540)=""/59, 0x3b}, {&(0x7f0000000b00)=""/33, 0x21}, {&(0x7f0000000b40)=""/203, 0xcb}], 0x7, 0x2, 0x5) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) getsockopt$inet_mreqn(r0, 0x0, 0x20, &(0x7f00000000c0)={@empty, @empty, 0x0}, &(0x7f0000000100)=0xc) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x88000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=@bridge_getneigh={0xb0, 0x1e, 0x20, 0x70bd29, 0x25dfdbfe, {0x7, 0x0, 0x0, r5, 0x40000, 0x1}, [@IFLA_PROP_LIST={0x90, 0x34, 0x0, 0x1, [{0x14, 0x35, 'batadv_slave_0\x00'}, {0x14, 0x35, 'geneve1\x00'}, {0x14, 0x35, 'nr0\x00'}, {0x14, 0x35, 'bond0\x00'}, {0x14, 0x35, 'geneve0\x00'}, {0x14, 0x35, 'veth1_virt_wifi\x00'}, {0x14, 0x35, 'team_slave_1\x00'}]}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000001}, 0x4040811) ftruncate(r4, 0x800) (async) lseek(r3, 0x20400, 0x0) (async) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r6, 0x0, 0x80001d00c0d0) [ 1066.712391][ T2606] [ 1066.715544][ T2606] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1066.746743][ T2616] loop2: detected capacity change from 0 to 512 [ 1066.755849][ T2610] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1066.765065][ T2610] CPU: 1 PID: 2610 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1066.775067][ T2610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1066.777038][ T2618] loop3: detected capacity change from 0 to 512 [ 1066.785152][ T2610] Call Trace: [ 1066.785160][ T2610] [ 1066.785167][ T2610] dump_stack_lvl+0xda/0x130 [ 1066.802257][ T2610] dump_stack+0x15/0x20 [ 1066.806425][ T2610] sysfs_create_dir_ns+0x1a8/0x1d0 12:34:48 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x12, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1066.811613][ T2610] kobject_add_internal+0x3eb/0x730 [ 1066.816831][ T2610] kobject_add+0xdc/0x150 [ 1066.821213][ T2610] ? kobject_get+0x95/0xc0 [ 1066.825647][ T2610] ? kobject_put+0xd8/0x160 [ 1066.827635][ T2616] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1066.830142][ T2610] ? device_add+0x2ea/0x8b0 [ 1066.842656][ T2616] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1465/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1066.847009][ T2610] device_add+0x2f8/0x8b0 [ 1066.847042][ T2610] netdev_register_kobject+0xfc/0x230 [ 1066.871544][ T2610] register_netdevice+0x65b/0xb20 [ 1066.876651][ T2610] ip6_tnl_create2+0x87/0x210 [ 1066.877389][ T2618] workqueue: Failed to create a rescuer kthread for wq "ext4-rsv-conversion": -EINTR [ 1066.881328][ T2610] ip6_tnl_newlink+0x2bf/0x460 [ 1066.881413][ T2618] EXT4-fs: failed to create workqueue [ 1066.881422][ T2610] ? ip6_tnl_validate+0x80/0x80 [ 1066.890879][ T2618] EXT4-fs (loop3): mount failed [ 1066.895581][ T2610] rtnl_newlink+0xee5/0x1670 [ 1066.915264][ T2610] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1066.921493][ T2610] ? _raw_spin_unlock+0x26/0x40 [ 1066.926330][ T2610] ? __mutex_lock+0x21c/0x8d0 [ 1066.931041][ T2610] ? rtnl_setlink+0x300/0x300 [ 1066.935706][ T2610] rtnetlink_rcv_msg+0x807/0x8c0 [ 1066.940774][ T2610] ? kmem_cache_free+0x1d9/0x380 [ 1066.945701][ T2610] ? __kfree_skb+0x104/0x140 [ 1066.950303][ T2610] ? nlmon_xmit+0x4b/0x60 [ 1066.954615][ T2610] ? __kfree_skb+0x104/0x140 [ 1066.959193][ T2610] ? consume_skb+0x57/0x180 [ 1066.963823][ T2610] ? nlmon_xmit+0x4b/0x60 [ 1066.968140][ T2610] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1066.973408][ T2610] ? __dev_queue_xmit+0xaae/0x1d80 [ 1066.978517][ T2610] ? ref_tracker_free+0x3a1/0x400 [ 1066.983587][ T2610] netlink_rcv_skb+0x126/0x220 [ 1066.988444][ T2610] ? rtnetlink_bind+0x60/0x60 [ 1066.993164][ T2610] rtnetlink_rcv+0x1c/0x20 [ 1066.997623][ T2610] netlink_unicast+0x589/0x650 [ 1067.002422][ T2610] netlink_sendmsg+0x66e/0x770 [ 1067.007371][ T2610] ? netlink_getsockopt+0x3e0/0x3e0 [ 1067.012555][ T2610] ____sys_sendmsg+0x37c/0x4d0 [ 1067.017375][ T2610] __sys_sendmsg+0x1e9/0x270 [ 1067.021949][ T2610] __x64_sys_sendmsg+0x46/0x50 [ 1067.026717][ T2610] do_syscall_64+0x44/0x110 [ 1067.031223][ T2610] ? syscall_exit_to_user_mode+0x38/0x140 [ 1067.036999][ T2610] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1067.042878][ T2610] RIP: 0033:0x7fd903c48ae9 [ 1067.047283][ T2610] 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 [ 1067.066908][ T2610] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1067.075359][ T2610] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1067.083313][ T2610] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1067.091268][ T2610] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1067.099333][ T2610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1067.107298][ T2610] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1067.115320][ T2610] [ 1067.118423][ T2610] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1067.150201][ T2637] loop4: detected capacity change from 0 to 512 [ 1067.151142][ T2612] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' 12:34:48 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) ioctl$PPPIOCGMRU(r3, 0x80047453, &(0x7f0000000100)) pwrite64(r2, &(0x7f0000000280)="d1934a87b35c81bfeab14637c32fd9a43687cee0e643b0f6a13b035912dedeb9d67e54f6e6b2f42e5c08ac904f6038ca97e0ce9e09a0b50734aafb15a44aafe2d41d0df077edcdf3db31b640375b57699968f49a35a0d86bc16fb3f29873f855df97f5530f308960ef840d3f49424e7c49a2ab70f5e91deeeb42872bdba907991d6b73b8ee322131a4e199311f9bc9e3c45a3af17e385c5a83de96d33c797d1abf80e228acf1a57b81dd087e608f73575c3fbd1ed088484c4096d7cd8d2b25108ff3581aac2e1f08cea625a724", 0xcd, 0xdc3) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) ioctl$FS_IOC_SETVERSION(r4, 0x40087602, &(0x7f0000000000)) 12:34:48 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$eJzs3c9vG1kdAPDvTOImm81usrASPwRsWRYKqmon7m602tNyAaHVSogVJw7ZkLhRFDuOYmdpQiXS/wGJSpzgT+CAxAGpJ+7c4MalHJAKVKAGiYPRjCdpSOMkbRMb7M9HGs28eeP5vldr3nO/SfwCGFlXI2IvIq5ExMcRMVOcT4ot3u9u2XWPH91Z3n90ZzmJTuejvyV5fXYujrwm83Jxz8mI+N63I36YPB23tbO7vlSv17aKcqXd2Ky0dnZvrDWWVmurtY1qdWF+Ye7dm+9UL6yvbzR+9fBbax98/7e/+eKD3+9948dZs6aLuqP9uEjdrpcO42TGI+KDywg2AGNFf64MuiE8lzQiPhURb+bP/0yM5e/m+ZzwWAMA/wc6nZnozBwtAwDDLs1zYElaLnIB05Gm5XI3h/d6TKX1Zqt9/VZze2OlmyubjVJ6a61emytyhbNRSrLyfH78pFw9Vr4ZEa9FxE8nXsrL5eXz5xkAgIv18rH5/58T3fkfABhyk2ddsNifdgAA/XPm/A8ADB3zPwCMHvM/AIwe8z8AjB7zPwCMnmL+Hxt0OwCAvvjuhx9mW2e/+P7rlU92ttebn9xYqbXWy43t5fJyc2uzvNpsrtZr5eVm46z71ZvNzfm3Y/t2pV1rtSutnd3FRnN7o72Yf6/3Yq3Ul14BAKd57Y37f0wiYu+9l/ItjqzlYK6G4ZYOugHAwMj5w+jyLdwwuvwfHzhrLc+evyJ87zmCdX7yHC8CLtq1z8n/w6iS/4fRJf8Po0v+H0ZXp5P0WvM/PbwEABgqcvxAX3/+DwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAENiOt+StFysBT4daVouR7wSEbNRSm6t1WtzEfFqRPxhojSRlecH3WgA4AWlf0mK9b+uzbw1fbz2SvKviXwfET/6+Uc/u73Ubm/NZ+f/fni+fa84Xx1E+wGAsxzM0wfz+IHHj+4sH2z9bM/Db3YXF83i7hdbt2Y8xvP9ZJQiYuofSVHuyj6vjF1A/L27EfHZk/qf5LmR2WLl0+Pxs9iv9DV++l/x07yuu8/+LT79DDHPWusVRsX9bPx5/6TnL42r+X7yxMWPJ/MR6sUdjH/7T41/6eH4N9Zj/Lt63hhv/+47PevuRnx+/KT4yWH8pEf8t84Z/09f+NKbveo6v4i4FifHPxqr0m5sVlo7uzfWGkurtdXaRrW6ML8w9+7Nd6qVPEddOchUP+2v711/9bT+T/WIP3lG/796aq87EwdHv/z3xz/48inxv/6Vk9//10+Jn82JXzs1/hNLU7/uuXx3Fn+l2/+7z/r+Xz9n/Ad/3l0556UAQB+0dnbXl+r12taFHpTigm945CC5pDY7GPKD7PP4i97nM0XK7H+gO5d9MOiRCbhsTx76QbcEAAAAAAAAAAAAAADo5dL/nCgddA8BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYZv8JAAD//wqryik=") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) open(&(0x7f0000000000)='./bus\x00', 0x440, 0x52) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) (async) lseek(r3, 0x20400, 0x0) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) r6 = dup(r2) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r6, 0xc0096616, &(0x7f0000000280)={0x3, [0x0, 0x0, 0x0]}) (async) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) r7 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r7, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) sendfile(r5, r7, 0x0, 0x65467534) (async) r8 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r8, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) (async) r9 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) r10 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$inet(r10, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x2000041) (async) ioctl$EVIOCSKEYCODE_V2(r9, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) fcntl$setstatus(r9, 0x4, 0x40000) 12:34:48 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1bc, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1067.165644][ T2612] CPU: 0 PID: 2612 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1067.175693][ T2612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1067.185894][ T2612] Call Trace: [ 1067.189160][ T2612] [ 1067.192080][ T2612] dump_stack_lvl+0xda/0x130 [ 1067.196665][ T2612] dump_stack+0x15/0x20 [ 1067.200808][ T2612] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1067.206028][ T2612] kobject_add_internal+0x3eb/0x730 [ 1067.211327][ T2612] kobject_add+0xdc/0x150 [ 1067.215669][ T2612] ? kobject_get+0x95/0xc0 [ 1067.220150][ T2612] ? kobject_put+0xd8/0x160 [ 1067.224640][ T2612] ? device_add+0x2ea/0x8b0 [ 1067.229260][ T2612] device_add+0x2f8/0x8b0 [ 1067.233601][ T2612] netdev_register_kobject+0xfc/0x230 [ 1067.239149][ T2612] register_netdevice+0x65b/0xb20 [ 1067.244172][ T2612] ip6_tnl_create2+0x87/0x210 [ 1067.248842][ T2612] ip6_tnl_newlink+0x2bf/0x460 [ 1067.253606][ T2612] ? ip6_tnl_validate+0x80/0x80 [ 1067.258527][ T2612] rtnl_newlink+0xee5/0x1670 [ 1067.263111][ T2612] ? rtnl_newlink+0x2b1/0x1670 [ 1067.267936][ T2612] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1067.274175][ T2612] ? _raw_spin_unlock+0x26/0x40 [ 1067.279021][ T2612] ? __mutex_lock+0x21c/0x8d0 [ 1067.283695][ T2612] ? rtnl_setlink+0x300/0x300 [ 1067.288392][ T2612] rtnetlink_rcv_msg+0x807/0x8c0 [ 1067.293474][ T2612] ? kmem_cache_free+0x1d9/0x380 [ 1067.298406][ T2612] ? __kfree_skb+0x104/0x140 [ 1067.303066][ T2612] ? nlmon_xmit+0x4b/0x60 [ 1067.307388][ T2612] ? __kfree_skb+0x104/0x140 [ 1067.311979][ T2612] ? consume_skb+0x57/0x180 [ 1067.316615][ T2612] ? nlmon_xmit+0x4b/0x60 [ 1067.320966][ T2612] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1067.326663][ T2612] ? __dev_queue_xmit+0xaae/0x1d80 [ 1067.331796][ T2612] ? ref_tracker_free+0x3a1/0x400 [ 1067.336812][ T2612] netlink_rcv_skb+0x126/0x220 [ 1067.341642][ T2612] ? rtnetlink_bind+0x60/0x60 [ 1067.346320][ T2612] rtnetlink_rcv+0x1c/0x20 [ 1067.350819][ T2612] netlink_unicast+0x589/0x650 [ 1067.355587][ T2612] netlink_sendmsg+0x66e/0x770 [ 1067.360352][ T2612] ? netlink_getsockopt+0x3e0/0x3e0 [ 1067.365609][ T2612] ____sys_sendmsg+0x37c/0x4d0 [ 1067.370416][ T2612] __sys_sendmsg+0x1e9/0x270 [ 1067.375037][ T2612] ? wake_up_q+0x3f/0x70 [ 1067.379280][ T2612] __x64_sys_sendmsg+0x46/0x50 [ 1067.384061][ T2612] do_syscall_64+0x44/0x110 [ 1067.388557][ T2612] ? irqentry_exit+0x12/0x40 [ 1067.393200][ T2612] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1067.399091][ T2612] RIP: 0033:0x7f7bcc9aeae9 [ 1067.403535][ T2612] 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 [ 1067.423205][ T2612] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1067.431611][ T2612] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1067.439692][ T2612] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1067.447700][ T2612] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1067.455726][ T2612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:34:49 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(0xffffffffffffffff, 0x800) lseek(r1, 0x20400, 0x0) r2 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) [ 1067.463733][ T2612] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1067.471775][ T2612] [ 1067.474968][ T2612] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1067.491547][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1067.504467][T31240] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1067.517814][ T2628] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1067.519246][ T2643] loop4: detected capacity change from 0 to 512 [ 1067.526983][ T2628] CPU: 0 PID: 2628 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1067.543181][ T2628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1067.553282][ T2628] Call Trace: [ 1067.556552][ T2628] [ 1067.559471][ T2628] dump_stack_lvl+0xda/0x130 [ 1067.564054][ T2628] dump_stack+0x15/0x20 [ 1067.568238][ T2628] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1067.573344][ T2628] kobject_add_internal+0x3eb/0x730 [ 1067.578593][ T2628] kobject_add+0xdc/0x150 [ 1067.582916][ T2628] ? kobject_get+0x95/0xc0 [ 1067.587321][ T2628] ? kobject_put+0xd8/0x160 [ 1067.591840][ T2628] ? device_add+0x2ea/0x8b0 [ 1067.596344][ T2628] device_add+0x2f8/0x8b0 [ 1067.600750][ T2628] netdev_register_kobject+0xfc/0x230 [ 1067.606121][ T2628] register_netdevice+0x65b/0xb20 [ 1067.611220][ T2628] ip6_tnl_create2+0x87/0x210 [ 1067.615940][ T2628] ip6_tnl_newlink+0x2bf/0x460 [ 1067.620781][ T2628] ? ip6_tnl_validate+0x80/0x80 [ 1067.625791][ T2628] rtnl_newlink+0xee5/0x1670 [ 1067.630390][ T2628] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1067.636628][ T2628] ? _raw_spin_unlock+0x26/0x40 [ 1067.641539][ T2628] ? __mutex_lock+0x21c/0x8d0 [ 1067.646211][ T2628] ? rtnl_setlink+0x300/0x300 [ 1067.650885][ T2628] rtnetlink_rcv_msg+0x807/0x8c0 [ 1067.655839][ T2628] ? __rcu_read_unlock+0x4d/0x70 [ 1067.660830][ T2628] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1067.666197][ T2628] netlink_rcv_skb+0x126/0x220 [ 1067.670957][ T2628] ? rtnetlink_bind+0x60/0x60 [ 1067.675648][ T2628] rtnetlink_rcv+0x1c/0x20 [ 1067.680063][ T2628] netlink_unicast+0x589/0x650 [ 1067.684864][ T2628] netlink_sendmsg+0x66e/0x770 [ 1067.689627][ T2628] ? netlink_getsockopt+0x3e0/0x3e0 [ 1067.694831][ T2628] ____sys_sendmsg+0x37c/0x4d0 [ 1067.699631][ T2628] __sys_sendmsg+0x1e9/0x270 [ 1067.704281][ T2628] __x64_sys_sendmsg+0x46/0x50 [ 1067.709074][ T2628] do_syscall_64+0x44/0x110 [ 1067.713571][ T2628] ? syscall_exit_to_user_mode+0x38/0x140 [ 1067.719290][ T2628] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1067.725187][ T2628] RIP: 0033:0x7f7033abcae9 [ 1067.729592][ T2628] 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 [ 1067.749246][ T2628] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1067.757652][ T2628] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1067.765612][ T2628] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1067.773647][ T2628] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1067.781682][ T2628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1067.789641][ T2628] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1067.797614][ T2628] [ 1067.800702][ T2628] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1067.817621][ T2639] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1067.824912][ T2645] loop3: detected capacity change from 0 to 512 [ 1067.826801][ T2639] CPU: 1 PID: 2639 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1067.842927][ T2639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1067.852972][ T2639] Call Trace: [ 1067.856239][ T2639] [ 1067.859157][ T2639] dump_stack_lvl+0xda/0x130 [ 1067.863810][ T2639] dump_stack+0x15/0x20 [ 1067.867956][ T2639] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1067.873060][ T2639] kobject_add_internal+0x3eb/0x730 [ 1067.878249][ T2639] kobject_add+0xdc/0x150 [ 1067.882566][ T2639] ? kobject_get+0x95/0xc0 [ 1067.886978][ T2639] ? kobject_put+0xd8/0x160 [ 1067.891477][ T2639] ? device_add+0x2ea/0x8b0 [ 1067.895981][ T2639] device_add+0x2f8/0x8b0 [ 1067.900315][ T2639] netdev_register_kobject+0xfc/0x230 [ 1067.905711][ T2639] register_netdevice+0x65b/0xb20 [ 1067.910736][ T2639] ip6_tnl_create2+0x87/0x210 [ 1067.915404][ T2639] ip6_tnl_newlink+0x2bf/0x460 [ 1067.920325][ T2639] ? ip6_tnl_validate+0x80/0x80 [ 1067.925302][ T2639] rtnl_newlink+0xee5/0x1670 [ 1067.929893][ T2639] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1067.935236][ T2639] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1067.941487][ T2639] ? _raw_spin_unlock+0x26/0x40 [ 1067.946333][ T2639] ? __mutex_lock+0x21c/0x8d0 [ 1067.951034][ T2639] ? rtnl_setlink+0x300/0x300 [ 1067.955708][ T2639] rtnetlink_rcv_msg+0x807/0x8c0 [ 1067.960699][ T2639] ? kmem_cache_free+0x1d9/0x380 [ 1067.965635][ T2639] ? __kfree_skb+0x104/0x140 [ 1067.970310][ T2639] ? nlmon_xmit+0x4b/0x60 [ 1067.974632][ T2639] ? __kfree_skb+0x104/0x140 [ 1067.979295][ T2639] ? consume_skb+0x57/0x180 [ 1067.983801][ T2639] ? nlmon_xmit+0x4b/0x60 [ 1067.988129][ T2639] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1067.993407][ T2639] ? __dev_queue_xmit+0xaae/0x1d80 [ 1067.998510][ T2639] ? ref_tracker_free+0x3a1/0x400 [ 1068.003527][ T2639] netlink_rcv_skb+0x126/0x220 [ 1068.008293][ T2639] ? rtnetlink_bind+0x60/0x60 [ 1068.012989][ T2639] rtnetlink_rcv+0x1c/0x20 [ 1068.017405][ T2639] netlink_unicast+0x589/0x650 [ 1068.022169][ T2639] netlink_sendmsg+0x66e/0x770 [ 1068.026952][ T2639] ? netlink_getsockopt+0x3e0/0x3e0 [ 1068.032232][ T2639] ____sys_sendmsg+0x37c/0x4d0 [ 1068.037055][ T2639] __sys_sendmsg+0x1e9/0x270 [ 1068.041642][ T2639] __x64_sys_sendmsg+0x46/0x50 [ 1068.046469][ T2639] do_syscall_64+0x44/0x110 [ 1068.050963][ T2639] ? syscall_exit_to_user_mode+0x38/0x140 [ 1068.056679][ T2639] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1068.062659][ T2639] RIP: 0033:0x7fd903c48ae9 [ 1068.067102][ T2639] 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 [ 1068.086733][ T2639] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1068.095135][ T2639] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1068.103108][ T2639] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1068.111126][ T2639] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:34:49 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x25, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1068.119162][ T2639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1068.127201][ T2639] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1068.135252][ T2639] [ 1068.138415][ T2639] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:49 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee01, 0xee00}}, './file0\x00'}) ioctl$TUNGETIFF(r1, 0x800454d2, &(0x7f0000000480)={'vlan0\x00'}) r2 = socket$nl_route(0x10, 0x3, 0x0) (async) r3 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r3) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r3, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r5) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r6}, 0x10) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async, rerun: 32) socket$xdp(0x2c, 0x3, 0x0) (rerun: 32) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r6, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r8], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r9 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1068.168938][ T2645] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1068.183481][ T2643] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1068.186463][ T2651] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1068.202286][ T2643] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1421/file0 supports timestamps until 2038-01-19 (0x7fffffff) 12:34:49 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1c2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1068.205014][ T2651] CPU: 1 PID: 2651 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1068.220373][ T2645] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1452/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1068.229819][ T2651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1068.229833][ T2651] Call Trace: [ 1068.229840][ T2651] [ 1068.260963][ T2651] dump_stack_lvl+0xda/0x130 [ 1068.265616][ T2651] dump_stack+0x15/0x20 [ 1068.269825][ T2651] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1068.274949][ T2651] kobject_add_internal+0x3eb/0x730 [ 1068.280138][ T2651] kobject_add+0xdc/0x150 [ 1068.284546][ T2651] ? kobject_get+0x95/0xc0 [ 1068.289029][ T2651] ? kobject_put+0xd8/0x160 [ 1068.293518][ T2651] ? device_add+0x2ea/0x8b0 [ 1068.298015][ T2651] device_add+0x2f8/0x8b0 [ 1068.302388][ T2651] netdev_register_kobject+0xfc/0x230 [ 1068.307758][ T2651] register_netdevice+0x65b/0xb20 [ 1068.312780][ T2651] ip6_tnl_create2+0x87/0x210 [ 1068.317493][ T2651] ip6_tnl_newlink+0x2bf/0x460 [ 1068.322303][ T2651] ? ip6_tnl_validate+0x80/0x80 [ 1068.327152][ T2651] rtnl_newlink+0xee5/0x1670 [ 1068.331805][ T2651] ? security_capable+0x5e/0x80 [ 1068.336713][ T2651] ? ns_capable+0x7c/0xb0 [ 1068.341061][ T2651] ? rtnl_setlink+0x300/0x300 [ 1068.345738][ T2651] rtnetlink_rcv_msg+0x807/0x8c0 [ 1068.350678][ T2651] ? security_capable+0x5e/0x80 [ 1068.355522][ T2651] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1068.361497][ T2651] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1068.366681][ T2651] ? __rcu_read_unlock+0x4d/0x70 [ 1068.371722][ T2651] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1068.376920][ T2651] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1068.382310][ T2651] ? __rcu_read_unlock+0x4d/0x70 [ 1068.387256][ T2651] ? __rcu_read_unlock+0x4d/0x70 [ 1068.392196][ T2651] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1068.397592][ T2651] netlink_rcv_skb+0x126/0x220 [ 1068.402359][ T2651] ? rtnetlink_bind+0x60/0x60 [ 1068.407052][ T2651] rtnetlink_rcv+0x1c/0x20 [ 1068.411527][ T2651] netlink_unicast+0x589/0x650 [ 1068.416291][ T2651] netlink_sendmsg+0x66e/0x770 [ 1068.421063][ T2651] ? netlink_getsockopt+0x3e0/0x3e0 [ 1068.426324][ T2651] ____sys_sendmsg+0x37c/0x4d0 [ 1068.431148][ T2651] __sys_sendmsg+0x1e9/0x270 [ 1068.435733][ T2651] __x64_sys_sendmsg+0x46/0x50 [ 1068.440500][ T2651] do_syscall_64+0x44/0x110 [ 1068.445067][ T2651] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1068.450989][ T2651] RIP: 0033:0x7f7033abcae9 [ 1068.455391][ T2651] 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 [ 1068.475015][ T2651] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1068.483415][ T2651] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1068.491375][ T2651] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1068.499334][ T2651] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1068.507292][ T2651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1068.515317][ T2651] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 12:34:50 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="00e2d2a820ff22e148a09e60ea2c7852050934060000e100000000a2fbdbd9fff061c113000006bb71bf3812bc409f110e17cadc385f1fef2abb3000080000130200974bfeed6dcef074724149ece382587acd601a5066b245a6509f5e8ef4155052cb6bfb717365f99446be13e2809a6ea3492bc9706ca13bb95e90313b2c06c4c57b121699d0b8d04c218ffabc74e1fd758e09e71321ff40245b0f3881f566932544ac52aa74018e0019bcbae352c1a573ba855ce87214b6131176608b7486e554794a0183388788b04d44551f546cd2b382de9bbb554b052e82364f9aea2e2dd869510f7efc6fac0f8fa7c990256bf994c37e46435e00d6f3573ba08213a88fb061d2d2c9615254a6ae7e768068a0624c3d0e206a8b1c22c9ca1e565f4c288bffd9438f77a1"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async, rerun: 32) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (rerun: 32) ftruncate(0xffffffffffffffff, 0x800) (async, rerun: 64) lseek(r1, 0x20400, 0x0) (async, rerun: 64) r2 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 12:34:50 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) ioctl$PPPIOCGMRU(r3, 0x80047453, &(0x7f0000000100)) pwrite64(r2, &(0x7f0000000280)="d1934a87b35c81bfeab14637c32fd9a43687cee0e643b0f6a13b035912dedeb9d67e54f6e6b2f42e5c08ac904f6038ca97e0ce9e09a0b50734aafb15a44aafe2d41d0df077edcdf3db31b640375b57699968f49a35a0d86bc16fb3f29873f855df97f5530f308960ef840d3f49424e7c49a2ab70f5e91deeeb42872bdba907991d6b73b8ee322131a4e199311f9bc9e3c45a3af17e385c5a83de96d33c797d1abf80e228acf1a57b81dd087e608f73575c3fbd1ed088484c4096d7cd8d2b25108ff3581aac2e1f08cea625a724", 0xcd, 0xdc3) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) ioctl$FS_IOC_SETVERSION(r4, 0x40087602, &(0x7f0000000000)) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="00e2d2a820ff22e148a09e60ea2c7852050934060000e100000000a2fbdbd9fff061c113000006bb71bf3812bc409f110e17cadc385f1fef2abb3000080000130200974bfeed6dcef074724149ece382587acd601a5066b245a6509f5e8ef4155052cb6bfb717365f99446be13e2809a6ea3492bc9706ca13bb95e90313b2c06c4c57b121699d0b8d04c218ffabc74e1fd758e09e71321ff402452aa74018e0019bcbae352c1b573ba855ce87214b6131176608b7486e554794a0183388788b04d44551f546cd2b382de9bbb554b052e82364f9aea2e2dd869510f7efc6fac0f8fa7c990256bf994c37e46435e00d6f3573ba08213a88fb061d2d2c9615254a6ae7e768068a0624c3d0e206a8b1c22c9ca1e565f4c288bffd9438f77a1"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) ioctl$PPPIOCGMRU(r3, 0x80047453, &(0x7f0000000100)) (async) pwrite64(r2, &(0x7f0000000280)="d1934a87b35c81bfeab14637c32fd9a43687cee0e643b0f6a13b035912dedeb9d67e54f6e6b2f42e5c08ac904f6038ca97e0ce9e09a0b50734aafb15a44aafe2d41d0df077edcdf3db31b640375b57699968f49a35a0d86bc16fb3f29873f855df97f5530f308960ef840d3f49424e7c49a2ab70f5e91deeeb42872bdba907991d6b73b8ee322131a4e199311f9bc9e3c45a3af17e385c5a83de96d33c797d1abf80e228acf1a57b81dd087e608f73575c3fbd1ed088484c4096d7cd8d2b25108ff3581aac2e1f08cea625a724", 0xcd, 0xdc3) (async) syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) ioctl$FS_IOC_SETVERSION(r4, 0x40087602, &(0x7f0000000000)) (async) 12:34:50 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0xee01, 0xee00}}, './file0\x00'}) ioctl$TUNGETIFF(r1, 0x800454d2, &(0x7f0000000480)={'vlan0\x00'}) (async) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r3) (async) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r3, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r5) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r6}, 0x10) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) socket$xdp(0x2c, 0x3, 0x0) (async) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r6, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r8], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r9 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1068.523358][ T2651] [ 1068.526562][ T2651] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1068.542225][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1068.558638][ T2662] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1068.567552][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1068.567773][ T2662] CPU: 1 PID: 2662 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1068.586691][ T2662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1068.596752][ T2662] Call Trace: [ 1068.600032][ T2662] [ 1068.601499][ T2668] loop3: detected capacity change from 0 to 512 [ 1068.602951][ T2662] dump_stack_lvl+0xda/0x130 [ 1068.613875][ T2662] dump_stack+0x15/0x20 [ 1068.618090][ T2662] sysfs_create_dir_ns+0x1a8/0x1d0 12:34:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x2f, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1068.623434][ T2662] kobject_add_internal+0x3eb/0x730 [ 1068.628699][ T2662] kobject_add+0xdc/0x150 [ 1068.633052][ T2662] ? kobject_get+0x95/0xc0 [ 1068.637529][ T2662] ? kobject_put+0xd8/0x160 [ 1068.642031][ T2662] ? device_add+0x2ea/0x8b0 [ 1068.646456][ T2673] loop4: detected capacity change from 0 to 512 [ 1068.646600][ T2662] device_add+0x2f8/0x8b0 [ 1068.657189][ T2662] netdev_register_kobject+0xfc/0x230 [ 1068.662663][ T2662] register_netdevice+0x65b/0xb20 [ 1068.667701][ T2662] ip6_tnl_create2+0x87/0x210 [ 1068.672427][ T2662] ip6_tnl_newlink+0x2bf/0x460 [ 1068.677291][ T2662] ? ip6_tnl_validate+0x80/0x80 [ 1068.678862][ T2675] loop2: detected capacity change from 0 to 512 [ 1068.682164][ T2662] rtnl_newlink+0xee5/0x1670 [ 1068.691063][ T2668] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1068.692954][ T2662] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1068.705906][ T2668] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1453/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1068.710608][ T2662] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1068.731707][ T2662] ? _raw_spin_unlock+0x26/0x40 [ 1068.732728][ T2673] EXT4-fs warning (device loop4): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop4. [ 1068.736626][ T2662] ? __mutex_lock+0x21c/0x8d0 [ 1068.736653][ T2662] ? rtnl_setlink+0x300/0x300 [ 1068.754545][ T2675] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1068.757125][ T2662] rtnetlink_rcv_msg+0x807/0x8c0 [ 1068.769932][ T2675] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1466/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1068.774432][ T2662] ? kmem_cache_free+0x1d9/0x380 [ 1068.794268][ T2662] ? __kfree_skb+0x104/0x140 [ 1068.798875][ T2662] ? nlmon_xmit+0x4b/0x60 [ 1068.803202][ T2662] ? __kfree_skb+0x104/0x140 [ 1068.807885][ T2662] ? consume_skb+0x57/0x180 [ 1068.812374][ T2662] ? nlmon_xmit+0x4b/0x60 [ 1068.816684][ T2662] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1068.822027][ T2662] ? __dev_queue_xmit+0xaae/0x1d80 [ 1068.827158][ T2662] ? ref_tracker_free+0x3a1/0x400 [ 1068.832164][ T2662] netlink_rcv_skb+0x126/0x220 [ 1068.836948][ T2662] ? rtnetlink_bind+0x60/0x60 [ 1068.841620][ T2662] rtnetlink_rcv+0x1c/0x20 [ 1068.846026][ T2662] netlink_unicast+0x589/0x650 [ 1068.850791][ T2662] netlink_sendmsg+0x66e/0x770 [ 1068.855631][ T2662] ? netlink_getsockopt+0x3e0/0x3e0 [ 1068.860908][ T2662] ____sys_sendmsg+0x37c/0x4d0 [ 1068.865661][ T2662] __sys_sendmsg+0x1e9/0x270 [ 1068.870305][ T2662] __x64_sys_sendmsg+0x46/0x50 [ 1068.875122][ T2662] do_syscall_64+0x44/0x110 [ 1068.879611][ T2662] ? syscall_exit_to_user_mode+0x38/0x140 [ 1068.885322][ T2662] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1068.891208][ T2662] RIP: 0033:0x7fd903c48ae9 [ 1068.895661][ T2662] 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 [ 1068.915327][ T2662] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1068.923756][ T2662] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1068.931718][ T2662] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1068.939683][ T2662] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1068.947635][ T2662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1068.955604][ T2662] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1068.963564][ T2662] 12:34:50 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(0xffffffffffffffff, 0x800) (async) ftruncate(0xffffffffffffffff, 0x800) lseek(r1, 0x20400, 0x0) (async) lseek(r1, 0x20400, 0x0) r2 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 12:34:50 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) open(&(0x7f0000000000)='./bus\x00', 0x440, 0x52) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) (async) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) r6 = dup(r2) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r6, 0xc0096616, &(0x7f0000000280)={0x3, [0x0, 0x0, 0x0]}) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r7 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r7, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) sendfile(r5, r7, 0x0, 0x65467534) (async) r8 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r8, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) (async) r9 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) r10 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$inet(r10, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x2000041) (async) ioctl$EVIOCSKEYCODE_V2(r9, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) fcntl$setstatus(r9, 0x4, 0x40000) 12:34:50 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) ioctl$PPPIOCGMRU(r3, 0x80047453, &(0x7f0000000100)) (async) pwrite64(r2, &(0x7f0000000280)="d1934a87b35c81bfeab14637c32fd9a43687cee0e643b0f6a13b035912dedeb9d67e54f6e6b2f42e5c08ac904f6038ca97e0ce9e09a0b50734aafb15a44aafe2d41d0df077edcdf3db31b640375b57699968f49a35a0d86bc16fb3f29873f855df97f5530f308960ef840d3f49424e7c49a2ab70f5e91deeeb42872bdba907991d6b73b8ee322131a4e199311f9bc9e3c45a3af17e385c5a83de96d33c797d1abf80e228acf1a57b81dd087e608f73575c3fbd1ed088484c4096d7cd8d2b25108ff3581aac2e1f08cea625a724", 0xcd, 0xdc3) (async) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) ioctl$FS_IOC_SETVERSION(r4, 0x40087602, &(0x7f0000000000)) 12:34:50 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1d4, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1068.966863][ T2662] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1068.987006][ T2671] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1068.987169][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1068.996143][ T2671] CPU: 0 PID: 2671 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1069.015019][ T2671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1069.025173][ T2671] Call Trace: [ 1069.028449][ T2671] [ 1069.031437][ T2671] dump_stack_lvl+0xda/0x130 [ 1069.036047][ T2671] dump_stack+0x15/0x20 [ 1069.040223][ T2671] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1069.045438][ T2671] kobject_add_internal+0x3eb/0x730 [ 1069.050615][ T2671] kobject_add+0xdc/0x150 [ 1069.054951][ T2671] ? kobject_get+0x95/0xc0 [ 1069.059420][ T2671] ? kobject_put+0xd8/0x160 [ 1069.063990][ T2671] ? device_add+0x2ea/0x8b0 [ 1069.068489][ T2671] device_add+0x2f8/0x8b0 [ 1069.072803][ T2671] netdev_register_kobject+0xfc/0x230 [ 1069.078161][ T2671] register_netdevice+0x65b/0xb20 [ 1069.083232][ T2671] ip6_tnl_create2+0x87/0x210 [ 1069.088068][ T2671] ip6_tnl_newlink+0x2bf/0x460 [ 1069.092895][ T2671] ? ip6_tnl_validate+0x80/0x80 [ 1069.097840][ T2671] rtnl_newlink+0xee5/0x1670 [ 1069.102455][ T2671] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1069.107743][ T2671] ? rtnl_newlink+0x2b1/0x1670 [ 1069.112532][ T2671] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1069.118756][ T2671] ? _raw_spin_unlock+0x26/0x40 [ 1069.123664][ T2671] ? __mutex_lock+0x21c/0x8d0 [ 1069.128331][ T2671] ? rtnl_setlink+0x300/0x300 [ 1069.133043][ T2671] rtnetlink_rcv_msg+0x807/0x8c0 [ 1069.138044][ T2671] ? kmem_cache_free+0x1d9/0x380 [ 1069.142964][ T2671] ? __kfree_skb+0x104/0x140 [ 1069.147583][ T2671] ? nlmon_xmit+0x4b/0x60 [ 1069.151962][ T2671] ? __kfree_skb+0x104/0x140 [ 1069.156570][ T2671] ? consume_skb+0x57/0x180 [ 1069.161060][ T2671] ? nlmon_xmit+0x4b/0x60 [ 1069.165375][ T2671] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1069.170767][ T2671] ? __dev_queue_xmit+0xaae/0x1d80 [ 1069.175894][ T2671] ? ref_tracker_free+0x3a1/0x400 [ 1069.181056][ T2671] netlink_rcv_skb+0x126/0x220 [ 1069.185885][ T2671] ? rtnetlink_bind+0x60/0x60 [ 1069.190614][ T2671] rtnetlink_rcv+0x1c/0x20 [ 1069.195051][ T2671] netlink_unicast+0x589/0x650 [ 1069.199802][ T2671] netlink_sendmsg+0x66e/0x770 [ 1069.204553][ T2671] ? netlink_getsockopt+0x3e0/0x3e0 [ 1069.209741][ T2671] ____sys_sendmsg+0x37c/0x4d0 [ 1069.214499][ T2671] __sys_sendmsg+0x1e9/0x270 [ 1069.219134][ T2671] __x64_sys_sendmsg+0x46/0x50 [ 1069.223993][ T2671] do_syscall_64+0x44/0x110 [ 1069.228482][ T2671] ? syscall_exit_to_user_mode+0x38/0x140 [ 1069.234193][ T2671] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1069.240163][ T2671] RIP: 0033:0x7f7bcc9aeae9 [ 1069.244558][ T2671] 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 [ 1069.264204][ T2671] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1069.272601][ T2671] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1069.280562][ T2671] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1069.288514][ T2671] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1069.296466][ T2671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1069.304436][ T2671] R13: 000000000000000b R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1069.312450][ T2671] [ 1069.315578][ T2671] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1069.316392][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1069.341953][T30579] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1069.346566][ T2693] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1069.360594][ T2693] CPU: 0 PID: 2693 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1069.366628][ T2700] loop4: detected capacity change from 0 to 512 [ 1069.370635][ T2693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1069.385427][ T2700] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1069.386895][ T2693] Call Trace: [ 1069.386904][ T2693] [ 1069.400381][ T2700] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1423/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1069.402544][ T2693] dump_stack_lvl+0xda/0x130 [ 1069.402573][ T2693] dump_stack+0x15/0x20 [ 1069.429088][ T2693] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1069.434191][ T2693] kobject_add_internal+0x3eb/0x730 [ 1069.439450][ T2693] kobject_add+0xdc/0x150 [ 1069.443848][ T2693] ? kobject_get+0x95/0xc0 [ 1069.448248][ T2693] ? kobject_put+0xd8/0x160 [ 1069.452770][ T2693] ? device_add+0x2ea/0x8b0 [ 1069.457261][ T2693] device_add+0x2f8/0x8b0 [ 1069.461651][ T2693] netdev_register_kobject+0xfc/0x230 [ 1069.467012][ T2693] register_netdevice+0x65b/0xb20 [ 1069.472034][ T2693] ip6_tnl_create2+0x87/0x210 [ 1069.476747][ T2693] ip6_tnl_newlink+0x2bf/0x460 [ 1069.481576][ T2693] ? ip6_tnl_validate+0x80/0x80 [ 1069.486465][ T2693] rtnl_newlink+0xee5/0x1670 [ 1069.491042][ T2693] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1069.496344][ T2693] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1069.502569][ T2693] ? _raw_spin_unlock+0x26/0x40 [ 1069.507421][ T2693] ? __mutex_lock+0x21c/0x8d0 [ 1069.512154][ T2693] ? rtnl_setlink+0x300/0x300 [ 1069.516838][ T2693] rtnetlink_rcv_msg+0x807/0x8c0 [ 1069.521776][ T2693] ? __rcu_read_unlock+0x4d/0x70 [ 1069.526703][ T2693] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1069.532077][ T2693] netlink_rcv_skb+0x126/0x220 [ 1069.536908][ T2693] ? rtnetlink_bind+0x60/0x60 [ 1069.541592][ T2693] rtnetlink_rcv+0x1c/0x20 [ 1069.545994][ T2693] netlink_unicast+0x589/0x650 [ 1069.550756][ T2693] netlink_sendmsg+0x66e/0x770 [ 1069.555509][ T2693] ? netlink_getsockopt+0x3e0/0x3e0 [ 1069.560697][ T2693] ____sys_sendmsg+0x37c/0x4d0 [ 1069.565446][ T2693] __sys_sendmsg+0x1e9/0x270 [ 1069.570086][ T2693] __x64_sys_sendmsg+0x46/0x50 [ 1069.574835][ T2693] do_syscall_64+0x44/0x110 [ 1069.579380][ T2693] ? syscall_exit_to_user_mode+0x38/0x140 [ 1069.585094][ T2693] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1069.591007][ T2693] RIP: 0033:0x7f7033abcae9 [ 1069.595437][ T2693] 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 [ 1069.615026][ T2693] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 12:34:51 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x8000000008000007) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1069.623421][ T2693] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1069.631375][ T2693] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1069.639343][ T2693] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1069.647295][ T2693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1069.655254][ T2693] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1069.663261][ T2693] 12:34:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x3a, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1069.666313][ T2693] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1069.686586][ T2698] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1069.695890][ T2698] CPU: 0 PID: 2698 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1069.705951][ T2698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1069.716009][ T2698] Call Trace: [ 1069.719287][ T2698] [ 1069.722220][ T2698] dump_stack_lvl+0xda/0x130 [ 1069.726839][ T2698] dump_stack+0x15/0x20 [ 1069.731008][ T2698] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1069.731244][ T2715] loop3: detected capacity change from 0 to 512 [ 1069.736124][ T2698] kobject_add_internal+0x3eb/0x730 [ 1069.736147][ T2698] kobject_add+0xdc/0x150 [ 1069.736166][ T2698] ? kobject_get+0x95/0xc0 [ 1069.736260][ T2698] ? kobject_put+0xd8/0x160 [ 1069.746720][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1069.747651][ T2698] ? device_add+0x2ea/0x8b0 [ 1069.756197][ T2715] EXT4-fs warning (device loop3): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop3. [ 1069.756375][ T2698] device_add+0x2f8/0x8b0 [ 1069.789826][ T2698] netdev_register_kobject+0xfc/0x230 [ 1069.795265][ T2698] register_netdevice+0x65b/0xb20 [ 1069.800341][ T2698] ip6_tnl_create2+0x87/0x210 [ 1069.805016][ T2698] ip6_tnl_newlink+0x2bf/0x460 [ 1069.809767][ T2698] ? ip6_tnl_validate+0x80/0x80 [ 1069.814612][ T2698] rtnl_newlink+0xee5/0x1670 [ 1069.819239][ T2698] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1069.824527][ T2698] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1069.830776][ T2698] ? _raw_spin_unlock+0x26/0x40 [ 1069.835650][ T2698] ? __mutex_lock+0x21c/0x8d0 [ 1069.840317][ T2698] ? rtnl_setlink+0x300/0x300 [ 1069.844992][ T2698] rtnetlink_rcv_msg+0x807/0x8c0 [ 1069.849954][ T2698] ? kmem_cache_free+0x1d9/0x380 [ 1069.854878][ T2698] ? __kfree_skb+0x104/0x140 [ 1069.859516][ T2698] ? nlmon_xmit+0x4b/0x60 [ 1069.863853][ T2698] ? __kfree_skb+0x104/0x140 [ 1069.868445][ T2698] ? consume_skb+0x57/0x180 [ 1069.872941][ T2698] ? nlmon_xmit+0x4b/0x60 [ 1069.877271][ T2698] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1069.882562][ T2698] ? __dev_queue_xmit+0xaae/0x1d80 [ 1069.887660][ T2698] ? ref_tracker_free+0x3a1/0x400 [ 1069.892674][ T2698] netlink_rcv_skb+0x126/0x220 [ 1069.897493][ T2698] ? rtnetlink_bind+0x60/0x60 [ 1069.902233][ T2698] rtnetlink_rcv+0x1c/0x20 [ 1069.906750][ T2698] netlink_unicast+0x589/0x650 [ 1069.911501][ T2698] netlink_sendmsg+0x66e/0x770 [ 1069.916314][ T2698] ? netlink_getsockopt+0x3e0/0x3e0 [ 1069.921505][ T2698] ____sys_sendmsg+0x37c/0x4d0 [ 1069.926318][ T2698] __sys_sendmsg+0x1e9/0x270 [ 1069.930958][ T2698] ? wake_up_q+0x3f/0x70 [ 1069.935191][ T2698] __x64_sys_sendmsg+0x46/0x50 [ 1069.939952][ T2698] do_syscall_64+0x44/0x110 [ 1069.944516][ T2698] ? syscall_exit_to_user_mode+0x38/0x140 [ 1069.950280][ T2698] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1069.956238][ T2698] RIP: 0033:0x7fd903c48ae9 [ 1069.960689][ T2698] 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 [ 1069.980365][ T2698] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1069.988857][ T2698] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1069.996842][ T2698] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1070.004886][ T2698] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1070.012857][ T2698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1070.020824][ T2698] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 12:34:51 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$IMADDTIMER(r1, 0x80044940, &(0x7f0000000000)=0xf4240) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) lseek(0xffffffffffffffff, 0x1, 0x2) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:34:51 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_COALESCE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)={0x44, r5, 0x101, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x28, 0xe, 0x0, 0x1, [{0x24, 0x0, 0x0, 0x1, @NL80211_PKTPAT_MASK={0x1d, 0x1, "a3b2db73451f35900a6eb1b3fa7b833e155243173b7a8b73a2"}}]}]}, 0x44}}, 0x0) sendmsg$NL80211_CMD_GET_FTM_RESPONDER_STATS(r3, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f0000000100)={0x1c, r5, 0x100, 0x70bd2d, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x64000050}, 0x5) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r6, 0x0, 0x80001d00c0d0) [ 1070.028793][ T2698] [ 1070.031840][ T2698] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1070.056251][ T2720] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1070.065462][ T2720] CPU: 1 PID: 2720 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1070.075457][ T2720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1070.085513][ T2720] Call Trace: [ 1070.087264][ T2726] loop2: detected capacity change from 0 to 512 [ 1070.088778][ T2720] [ 1070.088786][ T2720] dump_stack_lvl+0xda/0x130 [ 1070.102542][ T2720] dump_stack+0x15/0x20 [ 1070.106732][ T2720] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1070.111920][ T2720] kobject_add_internal+0x3eb/0x730 [ 1070.117134][ T2720] kobject_add+0xdc/0x150 [ 1070.121452][ T2720] ? kobject_get+0x95/0xc0 [ 1070.125883][ T2720] ? kobject_put+0xd8/0x160 [ 1070.130455][ T2720] ? device_add+0x2ea/0x8b0 [ 1070.134955][ T2720] device_add+0x2f8/0x8b0 [ 1070.139287][ T2720] netdev_register_kobject+0xfc/0x230 [ 1070.144661][ T2720] register_netdevice+0x65b/0xb20 [ 1070.149758][ T2720] ip6_tnl_create2+0x87/0x210 [ 1070.154425][ T2720] ip6_tnl_newlink+0x2bf/0x460 [ 1070.159241][ T2720] ? ip6_tnl_validate+0x80/0x80 [ 1070.164103][ T2720] rtnl_newlink+0xee5/0x1670 [ 1070.168700][ T2720] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1070.173990][ T2720] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1070.180228][ T2720] ? _raw_spin_unlock+0x26/0x40 [ 1070.185075][ T2720] ? __mutex_lock+0x21c/0x8d0 [ 1070.189752][ T2720] ? rtnl_setlink+0x300/0x300 [ 1070.194490][ T2720] rtnetlink_rcv_msg+0x807/0x8c0 [ 1070.199618][ T2720] ? __rcu_read_unlock+0x4d/0x70 [ 1070.204550][ T2720] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1070.209944][ T2720] netlink_rcv_skb+0x126/0x220 [ 1070.214707][ T2720] ? rtnetlink_bind+0x60/0x60 [ 1070.219394][ T2720] rtnetlink_rcv+0x1c/0x20 [ 1070.223886][ T2720] netlink_unicast+0x589/0x650 [ 1070.228681][ T2720] netlink_sendmsg+0x66e/0x770 [ 1070.233643][ T2720] ? netlink_getsockopt+0x3e0/0x3e0 [ 1070.238851][ T2720] ____sys_sendmsg+0x37c/0x4d0 [ 1070.243609][ T2720] __sys_sendmsg+0x1e9/0x270 [ 1070.248254][ T2720] __x64_sys_sendmsg+0x46/0x50 [ 1070.253028][ T2720] do_syscall_64+0x44/0x110 [ 1070.257588][ T2720] ? syscall_exit_to_user_mode+0x38/0x140 [ 1070.263309][ T2720] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1070.269259][ T2720] RIP: 0033:0x7f7033abcae9 [ 1070.273662][ T2720] 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 [ 1070.293279][ T2720] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1070.301761][ T2720] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1070.309721][ T2720] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1070.317681][ T2720] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 12:34:51 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1e2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:34:51 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="180000000000000000efff00"/25], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) r8 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000000000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r8}, 0x10) r9 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r10 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r8, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r9, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r10], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000001b40)={r7, 0xe0, &(0x7f0000001a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000001600)=[0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x7, 0x8, &(0x7f0000001640)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000001680)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000001740)=[{}, {}, {}, {}, {}, {}, {}], 0x38, 0x10, &(0x7f0000001980), &(0x7f00000019c0), 0x8, 0x10, 0x8, 0x8, &(0x7f0000001a00)}}, 0x10) r12 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r13 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r13, r12, 0x0, 0xf6c1) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x10, 0xb, &(0x7f0000000580)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x9}, [@exit, @map_idx={0x18, 0x4, 0x5, 0x0, 0xc}, @btf_id={0x18, 0x4, 0x3, 0x0, 0x1}, @ldst={0x2, 0x2, 0x3, 0x4, 0xa, 0x20, 0x8}, @map_idx={0x18, 0xa, 0x5, 0x0, 0x10}]}, &(0x7f0000000040)='GPL\x00', 0x80, 0x1000, &(0x7f0000000600)=""/4096, 0x41000, 0xa8, '\x00', 0x0, 0xf, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000480)={0x1, 0xa, 0x1}, 0x10, r11, r13, 0x5, &(0x7f0000001b80)=[0xffffffffffffffff, r6], &(0x7f0000001bc0)=[{0x1, 0x4, 0x6, 0x1}, {0x4, 0x3, 0xa, 0x5}, {0x4, 0x1, 0xf, 0x3}, {0x0, 0x5, 0x8, 0x3}, {0x3, 0x5, 0x3, 0xb}], 0x10, 0x10001}, 0x90) setsockopt$inet_mreqn(r12, 0x0, 0x24, &(0x7f0000001dc0)={@rand_addr=0x80000000, @local}, 0xc) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket(0x10, 0x803, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1070.325686][ T2720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1070.333646][ T2720] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1070.341618][ T2720] [ 1070.344791][ T2720] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1070.364126][ T2727] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' 12:34:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x48, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1070.366526][T30579] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1070.373288][ T2727] CPU: 1 PID: 2727 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1070.392685][ T2727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1070.402734][ T2727] Call Trace: [ 1070.404477][ T2730] loop3: detected capacity change from 0 to 512 [ 1070.406042][ T2727] [ 1070.406106][ T2727] dump_stack_lvl+0xda/0x130 [ 1070.419940][ T2727] dump_stack+0x15/0x20 [ 1070.424105][ T2727] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1070.428193][ T2726] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1070.429213][ T2727] kobject_add_internal+0x3eb/0x730 [ 1070.429240][ T2727] kobject_add+0xdc/0x150 [ 1070.441756][ T2726] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1468/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1070.446816][ T2727] ? kobject_get+0x95/0xc0 [ 1070.446836][ T2727] ? kobject_put+0xd8/0x160 [ 1070.474971][ T2727] ? device_add+0x2ea/0x8b0 [ 1070.479551][ T2727] device_add+0x2f8/0x8b0 [ 1070.483884][ T2727] netdev_register_kobject+0xfc/0x230 [ 1070.489255][ T2727] register_netdevice+0x65b/0xb20 [ 1070.494354][ T2727] ip6_tnl_create2+0x87/0x210 [ 1070.499020][ T2727] ip6_tnl_newlink+0x2bf/0x460 [ 1070.503843][ T2727] ? ip6_tnl_validate+0x80/0x80 [ 1070.508746][ T2727] rtnl_newlink+0xee5/0x1670 [ 1070.513332][ T2727] ? rtnl_newlink+0x2b1/0x1670 [ 1070.518190][ T2727] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1070.524426][ T2727] ? _raw_spin_unlock+0x26/0x40 [ 1070.529279][ T2727] ? __mutex_lock+0x21c/0x8d0 [ 1070.533984][ T2727] ? rtnl_setlink+0x300/0x300 [ 1070.538717][ T2727] rtnetlink_rcv_msg+0x807/0x8c0 [ 1070.543659][ T2727] ? kmem_cache_free+0x1d9/0x380 [ 1070.548594][ T2727] ? __kfree_skb+0x104/0x140 [ 1070.553399][ T2727] ? nlmon_xmit+0x4b/0x60 [ 1070.557931][ T2727] ? __kfree_skb+0x104/0x140 [ 1070.562521][ T2727] ? consume_skb+0x57/0x180 [ 1070.567046][ T2727] ? nlmon_xmit+0x4b/0x60 [ 1070.571379][ T2727] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1070.576742][ T2727] ? __dev_queue_xmit+0xaae/0x1d80 [ 1070.581844][ T2727] ? ref_tracker_free+0x3a1/0x400 [ 1070.586862][ T2727] netlink_rcv_skb+0x126/0x220 [ 1070.591643][ T2727] ? rtnetlink_bind+0x60/0x60 [ 1070.596352][ T2727] rtnetlink_rcv+0x1c/0x20 [ 1070.600766][ T2727] netlink_unicast+0x589/0x650 [ 1070.605529][ T2727] netlink_sendmsg+0x66e/0x770 [ 1070.610311][ T2727] ? netlink_getsockopt+0x3e0/0x3e0 [ 1070.615508][ T2727] ____sys_sendmsg+0x37c/0x4d0 [ 1070.620264][ T2727] __sys_sendmsg+0x1e9/0x270 [ 1070.624871][ T2727] __x64_sys_sendmsg+0x46/0x50 [ 1070.629753][ T2727] do_syscall_64+0x44/0x110 [ 1070.634287][ T2727] ? syscall_exit_to_user_mode+0x38/0x140 [ 1070.640005][ T2727] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1070.645973][ T2727] RIP: 0033:0x7f7bcc9aeae9 [ 1070.650379][ T2727] 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 [ 1070.669978][ T2727] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1070.678380][ T2727] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1070.686340][ T2727] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1070.694299][ T2727] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1070.702320][ T2727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1070.710360][ T2727] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1070.718376][ T2727] [ 1070.721581][ T2727] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1070.732263][ T2726] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1070.749336][ T2728] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1070.758484][ T2728] CPU: 0 PID: 2728 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1070.762019][ T2726] EXT4-fs error (device loop2): ext4_dirty_inode:5965: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1070.768450][ T2728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1070.768464][ T2728] Call Trace: [ 1070.786431][ T2726] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1070.790118][ T2728] [ 1070.790126][ T2728] dump_stack_lvl+0xda/0x130 [ 1070.793522][ T2726] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3005: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1070.805570][ T2728] dump_stack+0x15/0x20 [ 1070.809547][ T2726] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3008: inode #19: comm syz-executor.2: mark inode dirty (error -117) [ 1070.813043][ T2728] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1070.826175][ T2726] EXT4-fs warning (device loop2): ext4_evict_inode:271: xattr delete (err -117) [ 1070.829383][ T2728] kobject_add_internal+0x3eb/0x730 [ 1070.829409][ T2728] kobject_add+0xdc/0x150 [ 1070.866087][ T2728] ? kobject_get+0x95/0xc0 [ 1070.870563][ T2728] ? kobject_put+0xd8/0x160 [ 1070.875053][ T2728] ? device_add+0x2ea/0x8b0 [ 1070.879623][ T2728] device_add+0x2f8/0x8b0 [ 1070.884017][ T2728] netdev_register_kobject+0xfc/0x230 [ 1070.889431][ T2728] register_netdevice+0x65b/0xb20 [ 1070.894456][ T2728] ip6_tnl_create2+0x87/0x210 [ 1070.899123][ T2728] ip6_tnl_newlink+0x2bf/0x460 [ 1070.903888][ T2728] ? ip6_tnl_validate+0x80/0x80 [ 1070.908827][ T2728] rtnl_newlink+0xee5/0x1670 [ 1070.913469][ T2728] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1070.919705][ T2728] ? _raw_spin_unlock+0x26/0x40 [ 1070.924592][ T2728] ? __mutex_lock+0x21c/0x8d0 [ 1070.929293][ T2728] ? rtnl_setlink+0x300/0x300 [ 1070.934093][ T2728] rtnetlink_rcv_msg+0x807/0x8c0 [ 1070.939035][ T2728] ? kmem_cache_free+0x1d9/0x380 [ 1070.944097][ T2728] ? __kfree_skb+0x104/0x140 [ 1070.948685][ T2728] ? nlmon_xmit+0x4b/0x60 [ 1070.953073][ T2728] ? __kfree_skb+0x104/0x140 [ 1070.957666][ T2728] ? consume_skb+0x57/0x180 [ 1070.962181][ T2728] ? nlmon_xmit+0x4b/0x60 [ 1070.966503][ T2728] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1070.971859][ T2728] ? __dev_queue_xmit+0xaae/0x1d80 [ 1070.976962][ T2728] ? ref_tracker_free+0x3a1/0x400 [ 1070.982039][ T2728] netlink_rcv_skb+0x126/0x220 [ 1070.986805][ T2728] ? rtnetlink_bind+0x60/0x60 [ 1070.991547][ T2728] rtnetlink_rcv+0x1c/0x20 [ 1070.995964][ T2728] netlink_unicast+0x589/0x650 [ 1071.000748][ T2728] netlink_sendmsg+0x66e/0x770 [ 1071.005660][ T2728] ? netlink_getsockopt+0x3e0/0x3e0 [ 1071.010870][ T2728] ____sys_sendmsg+0x37c/0x4d0 [ 1071.015626][ T2728] __sys_sendmsg+0x1e9/0x270 [ 1071.020269][ T2728] ? wake_up_q+0x3f/0x70 [ 1071.024514][ T2728] __x64_sys_sendmsg+0x46/0x50 [ 1071.029265][ T2728] do_syscall_64+0x44/0x110 [ 1071.033797][ T2728] ? syscall_exit_to_user_mode+0x38/0x140 [ 1071.039516][ T2728] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1071.045438][ T2728] RIP: 0033:0x7fd903c48ae9 [ 1071.049842][ T2728] 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 [ 1071.069442][ T2728] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1071.077901][ T2728] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1071.085861][ T2728] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1071.093822][ T2728] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1071.101844][ T2728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1071.109883][ T2728] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1071.117847][ T2728] [ 1071.120988][ T2728] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:52 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$IMADDTIMER(r1, 0x80044940, &(0x7f0000000000)=0xf4240) (async) ioctl$IMADDTIMER(r1, 0x80044940, &(0x7f0000000000)=0xf4240) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) lseek(0xffffffffffffffff, 0x1, 0x2) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1071.137566][ T2737] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1071.146726][ T2737] CPU: 1 PID: 2737 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1071.156712][ T2737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1071.158662][ T2743] loop4: detected capacity change from 0 to 512 [ 1071.166759][ T2737] Call Trace: [ 1071.166768][ T2737] [ 1071.166774][ T2737] dump_stack_lvl+0xda/0x130 [ 1071.183893][ T2737] dump_stack+0x15/0x20 [ 1071.188046][ T2737] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1071.193183][ T2737] kobject_add_internal+0x3eb/0x730 [ 1071.198373][ T2737] kobject_add+0xdc/0x150 [ 1071.202812][ T2737] ? kobject_get+0x95/0xc0 [ 1071.207281][ T2737] ? kobject_put+0xd8/0x160 [ 1071.211782][ T2737] ? device_add+0x2ea/0x8b0 [ 1071.216333][ T2737] device_add+0x2f8/0x8b0 [ 1071.220663][ T2737] netdev_register_kobject+0xfc/0x230 [ 1071.226036][ T2737] register_netdevice+0x65b/0xb20 [ 1071.231077][ T2737] ip6_tnl_create2+0x87/0x210 [ 1071.235756][ T2737] ip6_tnl_newlink+0x2bf/0x460 [ 1071.240583][ T2737] ? ip6_tnl_validate+0x80/0x80 [ 1071.245479][ T2737] rtnl_newlink+0xee5/0x1670 [ 1071.250107][ T2737] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1071.255423][ T2737] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1071.261722][ T2737] ? _raw_spin_unlock+0x26/0x40 [ 1071.266573][ T2737] ? __mutex_lock+0x21c/0x8d0 [ 1071.271242][ T2737] ? rtnl_setlink+0x300/0x300 [ 1071.275939][ T2737] rtnetlink_rcv_msg+0x807/0x8c0 [ 1071.280941][ T2737] ? __rcu_read_unlock+0x4d/0x70 [ 1071.285873][ T2737] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1071.291301][ T2737] netlink_rcv_skb+0x126/0x220 [ 1071.296065][ T2737] ? rtnetlink_bind+0x60/0x60 [ 1071.300815][ T2737] rtnetlink_rcv+0x1c/0x20 [ 1071.305246][ T2737] netlink_unicast+0x589/0x650 [ 1071.310020][ T2737] netlink_sendmsg+0x66e/0x770 [ 1071.314785][ T2737] ? netlink_getsockopt+0x3e0/0x3e0 [ 1071.320031][ T2737] ____sys_sendmsg+0x37c/0x4d0 [ 1071.324820][ T2737] __sys_sendmsg+0x1e9/0x270 [ 1071.329404][ T2737] __x64_sys_sendmsg+0x46/0x50 [ 1071.334158][ T2737] do_syscall_64+0x44/0x110 [ 1071.338651][ T2737] ? syscall_exit_to_user_mode+0x38/0x140 [ 1071.344376][ T2737] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1071.350317][ T2737] RIP: 0033:0x7f7033abcae9 [ 1071.354792][ T2737] 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 [ 1071.374465][ T2737] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1071.382874][ T2737] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1071.390920][ T2737] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1071.398880][ T2737] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1071.406875][ T2737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1071.414839][ T2737] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1071.422808][ T2737] 12:34:53 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1ea, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:34:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x4c, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1071.426037][ T2737] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1071.438973][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1071.456056][ T2730] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1071.468700][ T2730] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1455/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1071.470946][ T2743] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1071.511675][ T2749] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1071.515691][ T2743] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1424/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1071.520814][ T2749] CPU: 1 PID: 2749 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1071.545628][ T2749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1071.555688][ T2749] Call Trace: [ 1071.559021][ T2749] [ 1071.561939][ T2749] dump_stack_lvl+0xda/0x130 [ 1071.566525][ T2749] dump_stack+0x15/0x20 [ 1071.570708][ T2749] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1071.575864][ T2749] kobject_add_internal+0x3eb/0x730 [ 1071.581052][ T2749] kobject_add+0xdc/0x150 [ 1071.585372][ T2749] ? kobject_get+0x95/0xc0 [ 1071.589774][ T2749] ? kobject_put+0xd8/0x160 [ 1071.594280][ T2749] ? device_add+0x2ea/0x8b0 [ 1071.598783][ T2749] device_add+0x2f8/0x8b0 [ 1071.603173][ T2749] netdev_register_kobject+0xfc/0x230 [ 1071.608569][ T2749] register_netdevice+0x65b/0xb20 [ 1071.613592][ T2749] ip6_tnl_create2+0x87/0x210 [ 1071.618306][ T2749] ip6_tnl_newlink+0x2bf/0x460 [ 1071.623068][ T2749] ? ip6_tnl_validate+0x80/0x80 [ 1071.627968][ T2749] rtnl_newlink+0xee5/0x1670 [ 1071.632564][ T2749] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1071.638861][ T2749] ? _raw_spin_unlock+0x26/0x40 [ 1071.643743][ T2749] ? __mutex_lock+0x21c/0x8d0 [ 1071.648413][ T2749] ? rtnl_setlink+0x300/0x300 [ 1071.653086][ T2749] rtnetlink_rcv_msg+0x807/0x8c0 [ 1071.658025][ T2749] ? kmem_cache_free+0x1d9/0x380 [ 1071.662967][ T2749] ? __kfree_skb+0x104/0x140 [ 1071.667617][ T2749] ? nlmon_xmit+0x4b/0x60 [ 1071.671965][ T2749] ? __kfree_skb+0x104/0x140 [ 1071.676584][ T2749] ? consume_skb+0x57/0x180 [ 1071.681186][ T2749] ? nlmon_xmit+0x4b/0x60 [ 1071.685505][ T2749] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1071.690788][ T2749] ? __dev_queue_xmit+0xaae/0x1d80 [ 1071.695967][ T2749] ? ref_tracker_free+0x3a1/0x400 [ 1071.700995][ T2749] netlink_rcv_skb+0x126/0x220 [ 1071.705756][ T2749] ? rtnetlink_bind+0x60/0x60 [ 1071.710434][ T2749] rtnetlink_rcv+0x1c/0x20 [ 1071.714846][ T2749] netlink_unicast+0x589/0x650 [ 1071.719665][ T2749] netlink_sendmsg+0x66e/0x770 [ 1071.724550][ T2749] ? netlink_getsockopt+0x3e0/0x3e0 [ 1071.729748][ T2749] ____sys_sendmsg+0x37c/0x4d0 [ 1071.734511][ T2749] __sys_sendmsg+0x1e9/0x270 [ 1071.739099][ T2749] __x64_sys_sendmsg+0x46/0x50 [ 1071.743850][ T2749] do_syscall_64+0x44/0x110 [ 1071.748345][ T2749] ? syscall_exit_to_user_mode+0x38/0x140 [ 1071.754059][ T2749] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1071.760031][ T2749] RIP: 0033:0x7fd903c48ae9 [ 1071.764435][ T2749] 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 [ 1071.784043][ T2749] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1071.792446][ T2749] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1071.800404][ T2749] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1071.808433][ T2749] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1071.816391][ T2749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1071.824357][ T2749] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1071.832380][ T2749] 12:34:53 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_COALESCE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)={0x44, r5, 0x101, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x28, 0xe, 0x0, 0x1, [{0x24, 0x0, 0x0, 0x1, @NL80211_PKTPAT_MASK={0x1d, 0x1, "a3b2db73451f35900a6eb1b3fa7b833e155243173b7a8b73a2"}}]}]}, 0x44}}, 0x0) sendmsg$NL80211_CMD_GET_FTM_RESPONDER_STATS(r3, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f0000000100)={0x1c, r5, 0x100, 0x70bd2d, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x64000050}, 0x5) (async) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r6, 0x0, 0x80001d00c0d0) [ 1071.835501][ T2749] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1071.843084][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1071.856918][ T2750] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1071.868158][ T2750] CPU: 1 PID: 2750 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1071.876174][ T2752] loop2: detected capacity change from 0 to 512 12:34:53 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x1fe, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1071.878160][ T2750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1071.878174][ T2750] Call Trace: [ 1071.897777][ T2750] [ 1071.900713][ T2750] dump_stack_lvl+0xda/0x130 [ 1071.905309][ T2750] dump_stack+0x15/0x20 [ 1071.909447][ T2750] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1071.914580][ T2750] kobject_add_internal+0x3eb/0x730 [ 1071.919826][ T2750] kobject_add+0xdc/0x150 [ 1071.924148][ T2750] ? kobject_get+0x95/0xc0 [ 1071.926482][ T2752] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1071.928554][ T2750] ? kobject_put+0xd8/0x160 [ 1071.928576][ T2750] ? device_add+0x2ea/0x8b0 [ 1071.941108][ T2752] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1469/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1071.945421][ T2750] device_add+0x2f8/0x8b0 [ 1071.945453][ T2750] netdev_register_kobject+0xfc/0x230 [ 1071.974509][ T2750] register_netdevice+0x65b/0xb20 [ 1071.979596][ T2750] ip6_tnl_create2+0x87/0x210 [ 1071.984254][ T2750] ip6_tnl_newlink+0x2bf/0x460 [ 1071.989095][ T2750] ? ip6_tnl_validate+0x80/0x80 [ 1071.993937][ T2750] rtnl_newlink+0xee5/0x1670 [ 1071.998644][ T2750] ? security_capable+0x5e/0x80 [ 1072.003494][ T2750] ? ns_capable+0x7c/0xb0 [ 1072.007828][ T2750] ? rtnl_setlink+0x300/0x300 [ 1072.012520][ T2750] rtnetlink_rcv_msg+0x807/0x8c0 [ 1072.017455][ T2750] ? security_capable+0x5e/0x80 [ 1072.022289][ T2750] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1072.028343][ T2750] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1072.033443][ T2750] ? __rcu_read_unlock+0x4d/0x70 [ 1072.038428][ T2750] ? bpf_get_current_task+0x9/0x20 [ 1072.043521][ T2750] ? ___bpf_prog_run+0x419d/0x41e0 [ 1072.048619][ T2750] ? __rcu_read_unlock+0x4d/0x70 [ 1072.053575][ T2750] ? __rcu_read_unlock+0x4d/0x70 [ 1072.058563][ T2750] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1072.063918][ T2750] netlink_rcv_skb+0x126/0x220 [ 1072.068668][ T2750] ? rtnetlink_bind+0x60/0x60 [ 1072.073343][ T2750] rtnetlink_rcv+0x1c/0x20 [ 1072.077766][ T2750] netlink_unicast+0x589/0x650 [ 1072.082548][ T2750] netlink_sendmsg+0x66e/0x770 [ 1072.087389][ T2750] ? netlink_getsockopt+0x3e0/0x3e0 [ 1072.092601][ T2750] ____sys_sendmsg+0x37c/0x4d0 [ 1072.097347][ T2750] __sys_sendmsg+0x1e9/0x270 [ 1072.102016][ T2750] __x64_sys_sendmsg+0x46/0x50 [ 1072.106782][ T2750] do_syscall_64+0x44/0x110 [ 1072.111325][ T2750] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1072.117204][ T2750] RIP: 0033:0x7f7033abcae9 [ 1072.121600][ T2750] 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 [ 1072.141194][ T2750] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1072.149587][ T2750] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1072.157628][ T2750] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1072.165594][ T2750] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1072.173544][ T2750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1072.181516][ T2750] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1072.189542][ T2750] 12:34:53 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x8000000008000007) lseek(r1, 0x20400, 0x0) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1072.192655][ T2750] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1072.211162][ T2754] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1072.211267][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1072.220327][ T2754] CPU: 0 PID: 2754 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1072.220353][ T2754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1072.249346][ T2754] Call Trace: [ 1072.252623][ T2754] [ 1072.255615][ T2754] dump_stack_lvl+0xda/0x130 [ 1072.260212][ T2754] dump_stack+0x15/0x20 [ 1072.264379][ T2754] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1072.267705][ T2767] loop3: detected capacity change from 0 to 512 [ 1072.269497][ T2754] kobject_add_internal+0x3eb/0x730 [ 1072.281042][ T2754] kobject_add+0xdc/0x150 [ 1072.285365][ T2754] ? kobject_get+0x95/0xc0 [ 1072.289769][ T2754] ? kobject_put+0xd8/0x160 [ 1072.294264][ T2754] ? device_add+0x2ea/0x8b0 [ 1072.298832][ T2754] device_add+0x2f8/0x8b0 [ 1072.303262][ T2754] netdev_register_kobject+0xfc/0x230 [ 1072.308635][ T2754] register_netdevice+0x65b/0xb20 [ 1072.313674][ T2754] ip6_tnl_create2+0x87/0x210 [ 1072.318363][ T2754] ip6_tnl_newlink+0x2bf/0x460 [ 1072.323213][ T2754] ? ip6_tnl_validate+0x80/0x80 [ 1072.328061][ T2754] rtnl_newlink+0xee5/0x1670 [ 1072.332651][ T2754] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1072.338916][ T2754] ? _raw_spin_unlock+0x26/0x40 [ 1072.343764][ T2754] ? __mutex_lock+0x21c/0x8d0 [ 1072.348438][ T2754] ? rtnl_setlink+0x300/0x300 [ 1072.353114][ T2754] rtnetlink_rcv_msg+0x807/0x8c0 [ 1072.358142][ T2754] ? kmem_cache_free+0x1d9/0x380 [ 1072.363072][ T2754] ? __kfree_skb+0x104/0x140 [ 1072.367762][ T2754] ? nlmon_xmit+0x4b/0x60 [ 1072.372119][ T2754] ? __kfree_skb+0x104/0x140 [ 1072.376782][ T2754] ? consume_skb+0x57/0x180 [ 1072.381282][ T2754] ? nlmon_xmit+0x4b/0x60 [ 1072.385602][ T2754] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1072.390935][ T2754] ? __dev_queue_xmit+0xaae/0x1d80 [ 1072.396043][ T2754] ? ref_tracker_free+0x3a1/0x400 [ 1072.401059][ T2754] netlink_rcv_skb+0x126/0x220 [ 1072.405883][ T2754] ? rtnetlink_bind+0x60/0x60 [ 1072.410583][ T2754] rtnetlink_rcv+0x1c/0x20 [ 1072.414998][ T2754] netlink_unicast+0x589/0x650 [ 1072.419819][ T2754] netlink_sendmsg+0x66e/0x770 [ 1072.424645][ T2754] ? netlink_getsockopt+0x3e0/0x3e0 [ 1072.429843][ T2754] ____sys_sendmsg+0x37c/0x4d0 [ 1072.434618][ T2754] __sys_sendmsg+0x1e9/0x270 [ 1072.439228][ T2754] __x64_sys_sendmsg+0x46/0x50 [ 1072.444058][ T2754] do_syscall_64+0x44/0x110 [ 1072.448554][ T2754] ? syscall_exit_to_user_mode+0x38/0x140 [ 1072.454315][ T2754] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1072.460205][ T2754] RIP: 0033:0x7fd903c48ae9 [ 1072.464646][ T2754] 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 [ 1072.484292][ T2754] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1072.492705][ T2754] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1072.500722][ T2754] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1072.508758][ T2754] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1072.516719][ T2754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1072.524678][ T2754] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1072.532640][ T2754] 12:34:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x60, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:34:53 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$IMADDTIMER(r1, 0x80044940, &(0x7f0000000000)=0xf4240) (async) ftruncate(r4, 0x800) (async) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) lseek(0xffffffffffffffff, 0x1, 0x2) (async) sendfile(r3, r5, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:34:54 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x203, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1072.535794][ T2754] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1072.542747][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1072.560694][ T2767] EXT4-fs warning (device loop3): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop3. [ 1072.572804][ T2770] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1072.581961][ T2770] CPU: 0 PID: 2770 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 12:34:54 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="180000000000000000efff00"/25], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) r8 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000000000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r8}, 0x10) (async) r9 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r10 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r8, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r9, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r10], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000001b40)={r7, 0xe0, &(0x7f0000001a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000001600)=[0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x7, 0x8, &(0x7f0000001640)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000001680)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000001740)=[{}, {}, {}, {}, {}, {}, {}], 0x38, 0x10, &(0x7f0000001980), &(0x7f00000019c0), 0x8, 0x10, 0x8, 0x8, &(0x7f0000001a00)}}, 0x10) (async) r12 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r13 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r13, r12, 0x0, 0xf6c1) (async) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x10, 0xb, &(0x7f0000000580)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x9}, [@exit, @map_idx={0x18, 0x4, 0x5, 0x0, 0xc}, @btf_id={0x18, 0x4, 0x3, 0x0, 0x1}, @ldst={0x2, 0x2, 0x3, 0x4, 0xa, 0x20, 0x8}, @map_idx={0x18, 0xa, 0x5, 0x0, 0x10}]}, &(0x7f0000000040)='GPL\x00', 0x80, 0x1000, &(0x7f0000000600)=""/4096, 0x41000, 0xa8, '\x00', 0x0, 0xf, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000480)={0x1, 0xa, 0x1}, 0x10, r11, r13, 0x5, &(0x7f0000001b80)=[0xffffffffffffffff, r6], &(0x7f0000001bc0)=[{0x1, 0x4, 0x6, 0x1}, {0x4, 0x3, 0xa, 0x5}, {0x4, 0x1, 0xf, 0x3}, {0x0, 0x5, 0x8, 0x3}, {0x3, 0x5, 0x3, 0xb}], 0x10, 0x10001}, 0x90) (async) setsockopt$inet_mreqn(r12, 0x0, 0x24, &(0x7f0000001dc0)={@rand_addr=0x80000000, @local}, 0xc) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket(0x10, 0x803, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:34:54 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_COALESCE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)={0x44, r5, 0x101, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x28, 0xe, 0x0, 0x1, [{0x24, 0x0, 0x0, 0x1, @NL80211_PKTPAT_MASK={0x1d, 0x1, "a3b2db73451f35900a6eb1b3fa7b833e155243173b7a8b73a2"}}]}]}, 0x44}}, 0x0) sendmsg$NL80211_CMD_GET_FTM_RESPONDER_STATS(r3, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f0000000100)={0x1c, r5, 0x100, 0x70bd2d, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x64000050}, 0x5) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r6, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) openat$vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff) (async) sendmsg$NL80211_CMD_SET_COALESCE(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)={0x44, r5, 0x101, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x28, 0xe, 0x0, 0x1, [{0x24, 0x0, 0x0, 0x1, @NL80211_PKTPAT_MASK={0x1d, 0x1, "a3b2db73451f35900a6eb1b3fa7b833e155243173b7a8b73a2"}}]}]}, 0x44}}, 0x0) (async) sendmsg$NL80211_CMD_GET_FTM_RESPONDER_STATS(r3, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f0000000100)={0x1c, r5, 0x100, 0x70bd2d, 0x25dfdbfc, {{}, {@val={0x8}, @void}}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x64000050}, 0x5) (async) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r6, 0x0, 0x80001d00c0d0) (async) [ 1072.591974][ T2770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1072.602028][ T2770] Call Trace: [ 1072.605306][ T2770] [ 1072.608243][ T2770] dump_stack_lvl+0xda/0x130 [ 1072.612866][ T2770] dump_stack+0x15/0x20 [ 1072.617113][ T2770] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1072.622275][ T2770] kobject_add_internal+0x3eb/0x730 [ 1072.627500][ T2770] kobject_add+0xdc/0x150 [ 1072.631837][ T2770] ? kobject_get+0x95/0xc0 [ 1072.636261][ T2770] ? kobject_put+0xd8/0x160 [ 1072.640835][ T2770] ? device_add+0x2ea/0x8b0 [ 1072.645455][ T2770] device_add+0x2f8/0x8b0 [ 1072.646741][ T2786] loop2: detected capacity change from 0 to 512 [ 1072.649781][ T2770] netdev_register_kobject+0xfc/0x230 [ 1072.661194][ T2784] loop4: detected capacity change from 0 to 512 [ 1072.661367][ T2770] register_netdevice+0x65b/0xb20 [ 1072.672649][ T2770] ip6_tnl_create2+0x87/0x210 [ 1072.677332][ T2770] ip6_tnl_newlink+0x2bf/0x460 [ 1072.677691][ T2786] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1072.682100][ T2770] ? ip6_tnl_validate+0x80/0x80 [ 1072.695781][ T2786] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1470/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1072.699314][ T2770] rtnl_newlink+0xee5/0x1670 [ 1072.718909][ T2770] ? ns_capable+0x7c/0xb0 [ 1072.723311][ T2770] ? rtnl_setlink+0x300/0x300 [ 1072.728077][ T2770] rtnetlink_rcv_msg+0x807/0x8c0 [ 1072.730369][ T2784] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1072.733028][ T2770] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1072.746723][ T2784] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1425/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1072.751635][ T2770] ? _raw_spin_unlock+0x26/0x40 [ 1072.771398][ T2770] ? __mutex_lock+0x21c/0x8d0 [ 1072.776088][ T2770] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1072.782077][ T2770] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1072.787230][ T2770] ? __rcu_read_unlock+0x4d/0x70 [ 1072.792152][ T2770] ? bpf_get_current_task+0x9/0x20 [ 1072.797321][ T2770] ? ___bpf_prog_run+0x419d/0x41e0 [ 1072.802432][ T2770] ? __rcu_read_unlock+0x4d/0x70 [ 1072.807372][ T2770] ? __rcu_read_unlock+0x4d/0x70 [ 1072.812303][ T2770] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1072.817713][ T2770] netlink_rcv_skb+0x126/0x220 [ 1072.822522][ T2770] ? rtnetlink_bind+0x60/0x60 [ 1072.827307][ T2770] rtnetlink_rcv+0x1c/0x20 [ 1072.831745][ T2770] netlink_unicast+0x589/0x650 [ 1072.836502][ T2770] netlink_sendmsg+0x66e/0x770 [ 1072.841333][ T2770] ? netlink_getsockopt+0x3e0/0x3e0 [ 1072.846524][ T2770] ____sys_sendmsg+0x37c/0x4d0 [ 1072.851298][ T2770] __sys_sendmsg+0x1e9/0x270 [ 1072.855894][ T2770] __x64_sys_sendmsg+0x46/0x50 [ 1072.860723][ T2770] do_syscall_64+0x44/0x110 [ 1072.865208][ T2770] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1072.871088][ T2770] RIP: 0033:0x7f7033abcae9 [ 1072.875586][ T2770] 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 [ 1072.895249][ T2770] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1072.903655][ T2770] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1072.911607][ T2770] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1072.919557][ T2770] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1072.927533][ T2770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1072.935494][ T2770] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 12:34:54 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x400000800) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:34:54 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x8000000008000007) (async) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1072.943447][ T2770] [ 1072.946615][ T2770] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1072.947110][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1072.976646][T31253] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1072.986180][ T2800] loop3: detected capacity change from 0 to 512 [ 1072.987457][ T2781] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1072.992796][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1073.001590][ T2781] CPU: 0 PID: 2781 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1073.015237][ T2800] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1073.020439][ T2781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1073.020453][ T2781] Call Trace: 12:34:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x68, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1073.020459][ T2781] [ 1073.046668][ T2800] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1457/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1073.049120][ T2781] dump_stack_lvl+0xda/0x130 [ 1073.068606][ T2781] dump_stack+0x15/0x20 [ 1073.072793][ T2781] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1073.076445][ T2804] loop4: detected capacity change from 0 to 512 [ 1073.077976][ T2781] kobject_add_internal+0x3eb/0x730 [ 1073.089484][ T2781] kobject_add+0xdc/0x150 [ 1073.093815][ T2781] ? kobject_get+0x95/0xc0 [ 1073.098233][ T2781] ? kobject_put+0xd8/0x160 [ 1073.102743][ T2781] ? device_add+0x2ea/0x8b0 [ 1073.107337][ T2781] device_add+0x2f8/0x8b0 [ 1073.111682][ T2781] netdev_register_kobject+0xfc/0x230 [ 1073.117074][ T2781] register_netdevice+0x65b/0xb20 [ 1073.122124][ T2781] ip6_tnl_create2+0x87/0x210 [ 1073.122406][ T2817] loop2: detected capacity change from 0 to 512 [ 1073.126801][ T2781] ip6_tnl_newlink+0x2bf/0x460 [ 1073.126836][ T2781] ? ip6_tnl_validate+0x80/0x80 12:34:54 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000100)={'pimreg0\x00', &(0x7f0000000280)=@ethtool_flash={0x33, 0x0, './file0\x00'}}) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0xee00, r4, 0x0) r5 = getgid() syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000080)='./file0\x00', 0x21000e, &(0x7f0000000100)=ANY=[@ANYRES16=r5, @ANYRES8=r5], 0x1, 0x4f4, &(0x7f0000000540)="$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") lsetxattr$system_posix_acl(&(0x7f0000000340)='./bus\x00', &(0x7f0000000380)='system.posix_acl_default\x00', &(0x7f00000003c0)={{}, {}, [{}, {0x2, 0x0, 0xffffffffffffffff}, {0x2, 0x2, 0xffffffffffffffff}, {0x2, 0x4, 0xee00}, {0x2, 0x6}, {0x2, 0x2, r4}, {0x2, 0x1, 0xffffffffffffffff}, {0x2, 0x7, 0xee01}], {0x4, 0x7}, [{0x8, 0x1, r5}, {0x8, 0x1, 0xee00}], {0x10, 0x2}}, 0x74, 0x0) lseek(r1, 0x20400, 0x0) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r7 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r7, r6, 0x0, 0xf6c1) r8 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r8, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) lseek(r8, 0x9, 0x2) getpeername$qrtr(r6, &(0x7f0000000000), &(0x7f00000000c0)=0xc) r9 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r9, 0x0, 0x80001d00c0d0) [ 1073.136269][ T2804] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1073.137797][ T2781] rtnl_newlink+0xee5/0x1670 [ 1073.137829][ T2781] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1073.142801][ T2804] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1426/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1073.155031][ T2781] ? ib_uverbs_ex_query_device+0x402/0x470 [ 1073.155070][ T2781] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1073.189349][ T2817] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1073.191869][ T2781] ? _raw_spin_unlock+0x26/0x40 [ 1073.204399][ T2817] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1471/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1073.209086][ T2781] ? __mutex_lock+0x21c/0x8d0 [ 1073.209112][ T2781] ? rtnl_setlink+0x300/0x300 [ 1073.233453][ T2781] rtnetlink_rcv_msg+0x807/0x8c0 [ 1073.238413][ T2781] ? kmem_cache_free+0x1d9/0x380 [ 1073.243513][ T2781] ? __kfree_skb+0x104/0x140 [ 1073.248141][ T2781] ? nlmon_xmit+0x4b/0x60 [ 1073.252454][ T2781] ? __kfree_skb+0x104/0x140 [ 1073.257035][ T2781] ? consume_skb+0x57/0x180 [ 1073.261544][ T2781] ? nlmon_xmit+0x4b/0x60 [ 1073.265856][ T2781] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1073.271136][ T2781] ? __dev_queue_xmit+0xaae/0x1d80 [ 1073.276263][ T2781] ? ref_tracker_free+0x3a1/0x400 [ 1073.281335][ T2781] netlink_rcv_skb+0x126/0x220 [ 1073.286165][ T2781] ? rtnetlink_bind+0x60/0x60 [ 1073.290856][ T2781] rtnetlink_rcv+0x1c/0x20 [ 1073.295284][ T2781] netlink_unicast+0x589/0x650 [ 1073.300036][ T2781] netlink_sendmsg+0x66e/0x770 [ 1073.304828][ T2781] ? netlink_getsockopt+0x3e0/0x3e0 [ 1073.310092][ T2781] ____sys_sendmsg+0x37c/0x4d0 [ 1073.314843][ T2781] __sys_sendmsg+0x1e9/0x270 [ 1073.319440][ T2781] __x64_sys_sendmsg+0x46/0x50 [ 1073.324197][ T2781] do_syscall_64+0x44/0x110 [ 1073.328764][ T2781] ? syscall_exit_to_user_mode+0x38/0x140 [ 1073.334470][ T2781] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1073.340361][ T2781] RIP: 0033:0x7fd903c48ae9 [ 1073.344768][ T2781] 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 [ 1073.364474][ T2781] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1073.372867][ T2781] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1073.380867][ T2781] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1073.388849][ T2781] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:34:55 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r5 = openat2(0xffffffffffffff9c, &(0x7f0000000100)='./bus\x00', &(0x7f0000000280)={0x4000, 0x41}, 0x18) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r5, 0x4058534c, &(0x7f00000002c0)={0x80000001, 0x1, 0x0, 0x30, 0x81, 0xd2}) r6 = ioctl$TUNGETDEVNETNS(r2, 0x54e3, 0x0) lseek(r6, 0xe47, 0x4) ioctl$BTRFS_IOC_QUOTA_RESCAN(r4, 0x4040942c, &(0x7f0000000000)={0x0, 0x401, [0xffffffffffffffdb, 0x0, 0x7, 0x3, 0x2, 0x9dc]}) 12:34:55 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x218, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1073.396858][ T2781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1073.404851][ T2781] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1073.412807][ T2781] [ 1073.415999][ T2781] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1073.432008][ T2788] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1073.441199][ T2788] CPU: 1 PID: 2788 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1073.451171][ T2788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1073.461205][ T2788] Call Trace: [ 1073.464465][ T2788] [ 1073.467382][ T2788] dump_stack_lvl+0xda/0x130 [ 1073.471956][ T2788] dump_stack+0x15/0x20 [ 1073.476091][ T2788] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1073.481264][ T2788] kobject_add_internal+0x3eb/0x730 [ 1073.486445][ T2788] kobject_add+0xdc/0x150 [ 1073.490769][ T2788] ? kobject_get+0x95/0xc0 [ 1073.495181][ T2788] ? kobject_put+0xd8/0x160 [ 1073.499674][ T2788] ? device_add+0x2ea/0x8b0 [ 1073.504186][ T2788] device_add+0x2f8/0x8b0 [ 1073.508526][ T2788] netdev_register_kobject+0xfc/0x230 [ 1073.513982][ T2788] register_netdevice+0x65b/0xb20 [ 1073.519015][ T2788] ip6_tnl_create2+0x87/0x210 [ 1073.523699][ T2788] ip6_tnl_newlink+0x2bf/0x460 [ 1073.528461][ T2788] ? ip6_tnl_validate+0x80/0x80 [ 1073.533390][ T2788] rtnl_newlink+0xee5/0x1670 [ 1073.538043][ T2788] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1073.543387][ T2788] ? rtnl_newlink+0x2b1/0x1670 [ 1073.548229][ T2788] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1073.554459][ T2788] ? _raw_spin_unlock+0x26/0x40 [ 1073.559302][ T2788] ? __mutex_lock+0x21c/0x8d0 [ 1073.564046][ T2788] ? rtnl_setlink+0x300/0x300 [ 1073.568762][ T2788] rtnetlink_rcv_msg+0x807/0x8c0 [ 1073.573711][ T2788] ? enqueue_task_fair+0x26c/0x800 [ 1073.578885][ T2788] ? check_preempt_wakeup_fair+0x1db/0x200 [ 1073.584751][ T2788] ? _raw_spin_unlock+0x26/0x40 [ 1073.589593][ T2788] ? kmem_cache_free+0x1d9/0x380 [ 1073.594560][ T2788] ? __kfree_skb+0x104/0x140 [ 1073.599148][ T2788] ? nlmon_xmit+0x4b/0x60 [ 1073.603489][ T2788] ? __kfree_skb+0x104/0x140 [ 1073.608065][ T2788] ? consume_skb+0x57/0x180 [ 1073.612669][ T2788] ? nlmon_xmit+0x4b/0x60 [ 1073.617032][ T2788] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1073.622298][ T2788] ? __dev_queue_xmit+0xaae/0x1d80 [ 1073.627480][ T2788] ? ref_tracker_free+0x3a1/0x400 [ 1073.632499][ T2788] netlink_rcv_skb+0x126/0x220 [ 1073.637322][ T2788] ? rtnetlink_bind+0x60/0x60 [ 1073.641999][ T2788] rtnetlink_rcv+0x1c/0x20 [ 1073.646470][ T2788] netlink_unicast+0x589/0x650 [ 1073.651223][ T2788] netlink_sendmsg+0x66e/0x770 [ 1073.655990][ T2788] ? netlink_getsockopt+0x3e0/0x3e0 [ 1073.661237][ T2788] ____sys_sendmsg+0x37c/0x4d0 [ 1073.666000][ T2788] __sys_sendmsg+0x1e9/0x270 [ 1073.670643][ T2788] __x64_sys_sendmsg+0x46/0x50 [ 1073.675397][ T2788] do_syscall_64+0x44/0x110 [ 1073.680015][ T2788] ? syscall_exit_to_user_mode+0x38/0x140 [ 1073.685719][ T2788] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1073.691595][ T2788] RIP: 0033:0x7f7bcc9aeae9 [ 1073.696026][ T2788] 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 [ 1073.715717][ T2788] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1073.724120][ T2788] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1073.732076][ T2788] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1073.740063][ T2788] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1073.748052][ T2788] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1073.756073][ T2788] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1073.764026][ T2788] [ 1073.767181][ T2788] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1073.785063][ T2820] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1073.787663][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1073.794188][ T2820] CPU: 1 PID: 2820 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1073.794212][ T2820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1073.794224][ T2820] Call Trace: [ 1073.805031][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1073.813071][ T2820] [ 1073.813079][ T2820] dump_stack_lvl+0xda/0x130 [ 1073.842801][ T2820] dump_stack+0x15/0x20 [ 1073.846951][ T2820] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1073.852138][ T2820] kobject_add_internal+0x3eb/0x730 [ 1073.857330][ T2820] kobject_add+0xdc/0x150 [ 1073.861647][ T2820] ? kobject_get+0x95/0xc0 [ 1073.866049][ T2820] ? kobject_put+0xd8/0x160 [ 1073.870537][ T2820] ? device_add+0x2ea/0x8b0 [ 1073.875086][ T2820] device_add+0x2f8/0x8b0 [ 1073.879478][ T2820] netdev_register_kobject+0xfc/0x230 [ 1073.884984][ T2820] register_netdevice+0x65b/0xb20 [ 1073.890007][ T2820] ip6_tnl_create2+0x87/0x210 [ 1073.894674][ T2820] ip6_tnl_newlink+0x2bf/0x460 [ 1073.899439][ T2820] ? ip6_tnl_validate+0x80/0x80 [ 1073.904310][ T2820] rtnl_newlink+0xee5/0x1670 [ 1073.908920][ T2820] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1073.914333][ T2820] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1073.920630][ T2820] ? _raw_spin_unlock+0x26/0x40 [ 1073.925473][ T2820] ? __mutex_lock+0x21c/0x8d0 [ 1073.930186][ T2820] ? rtnl_setlink+0x300/0x300 [ 1073.934927][ T2820] rtnetlink_rcv_msg+0x807/0x8c0 [ 1073.939871][ T2820] ? __rcu_read_unlock+0x4d/0x70 [ 1073.944801][ T2820] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1073.950163][ T2820] netlink_rcv_skb+0x126/0x220 [ 1073.954976][ T2820] ? rtnetlink_bind+0x60/0x60 [ 1073.959654][ T2820] rtnetlink_rcv+0x1c/0x20 [ 1073.964067][ T2820] netlink_unicast+0x589/0x650 [ 1073.968863][ T2820] netlink_sendmsg+0x66e/0x770 [ 1073.973677][ T2820] ? netlink_getsockopt+0x3e0/0x3e0 [ 1073.978873][ T2820] ____sys_sendmsg+0x37c/0x4d0 [ 1073.983626][ T2820] __sys_sendmsg+0x1e9/0x270 [ 1073.988211][ T2820] __x64_sys_sendmsg+0x46/0x50 [ 1073.993028][ T2820] do_syscall_64+0x44/0x110 [ 1073.997595][ T2820] ? syscall_exit_to_user_mode+0x38/0x140 [ 1074.003345][ T2820] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1074.009238][ T2820] RIP: 0033:0x7f7033abcae9 [ 1074.013638][ T2820] 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 [ 1074.033286][ T2820] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1074.041686][ T2820] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 12:34:55 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$eJzs3c9vG1kdAPDvTOImm81usrASPwRsWRYKqmon7m602tNyAaHVSogVJw7ZkLhRFDuOYmdpQiXS/wGJSpzgT+CAxAGpJ+7c4MalHJAKVKAGiYPRjCdpSOMkbRMb7M9HGs28eeP5vldr3nO/SfwCGFlXI2IvIq5ExMcRMVOcT4ot3u9u2XWPH91Z3n90ZzmJTuejvyV5fXYujrwm83Jxz8mI+N63I36YPB23tbO7vlSv17aKcqXd2Ky0dnZvrDWWVmurtY1qdWF+Ye7dm+9UL6yvbzR+9fBbax98/7e/+eKD3+9948dZs6aLuqP9uEjdrpcO42TGI+KDywg2AGNFf64MuiE8lzQiPhURb+bP/0yM5e/m+ZzwWAMA/wc6nZnozBwtAwDDLs1zYElaLnIB05Gm5XI3h/d6TKX1Zqt9/VZze2OlmyubjVJ6a61emytyhbNRSrLyfH78pFw9Vr4ZEa9FxE8nXsrL5eXz5xkAgIv18rH5/58T3fkfABhyk2ddsNifdgAA/XPm/A8ADB3zPwCMHvM/AIwe8z8AjB7zPwCMnmL+Hxt0OwCAvvjuhx9mW2e/+P7rlU92ttebn9xYqbXWy43t5fJyc2uzvNpsrtZr5eVm46z71ZvNzfm3Y/t2pV1rtSutnd3FRnN7o72Yf6/3Yq3Ul14BAKd57Y37f0wiYu+9l/ItjqzlYK6G4ZYOugHAwMj5w+jyLdwwuvwfHzhrLc+evyJ87zmCdX7yHC8CLtq1z8n/w6iS/4fRJf8Po0v+H0ZXp5P0WvM/PbwEABgqcvxAX3/+DwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAENiOt+StFysBT4daVouR7wSEbNRSm6t1WtzEfFqRPxhojSRlecH3WgA4AWlf0mK9b+uzbw1fbz2SvKviXwfET/6+Uc/u73Ubm/NZ+f/fni+fa84Xx1E+wGAsxzM0wfz+IHHj+4sH2z9bM/Db3YXF83i7hdbt2Y8xvP9ZJQiYuofSVHuyj6vjF1A/L27EfHZk/qf5LmR2WLl0+Pxs9iv9DV++l/x07yuu8/+LT79DDHPWusVRsX9bPx5/6TnL42r+X7yxMWPJ/MR6sUdjH/7T41/6eH4N9Zj/Lt63hhv/+47PevuRnx+/KT4yWH8pEf8t84Z/09f+NKbveo6v4i4FifHPxqr0m5sVlo7uzfWGkurtdXaRrW6ML8w9+7Nd6qVPEddOchUP+2v711/9bT+T/WIP3lG/796aq87EwdHv/z3xz/48inxv/6Vk9//10+Jn82JXzs1/hNLU7/uuXx3Fn+l2/+7z/r+Xz9n/Ad/3l0556UAQB+0dnbXl+r12taFHpTigm945CC5pDY7GPKD7PP4i97nM0XK7H+gO5d9MOiRCbhsTx76QbcEAAAAAAAAAAAAAADo5dL/nCgddA8BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYZv8JAAD//wqryik=") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async, rerun: 64) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) (rerun: 64) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x400000800) (async) lseek(r3, 0x20400, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r5, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1074.049644][ T2820] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1074.057603][ T2820] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1074.065561][ T2820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1074.073618][ T2820] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1074.081585][ T2820] [ 1074.084655][ T2820] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x6c, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1074.106941][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1074.114764][ T2829] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1074.125005][ T2829] CPU: 1 PID: 2829 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1074.127663][ T2834] loop4: detected capacity change from 0 to 512 [ 1074.134973][ T2829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1074.134987][ T2829] Call Trace: [ 1074.134993][ T2829] [ 1074.135000][ T2829] dump_stack_lvl+0xda/0x130 [ 1074.162043][ T2829] dump_stack+0x15/0x20 [ 1074.166196][ T2829] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1074.171337][ T2829] kobject_add_internal+0x3eb/0x730 [ 1074.176592][ T2829] kobject_add+0xdc/0x150 [ 1074.180909][ T2829] ? kobject_get+0x95/0xc0 [ 1074.185342][ T2829] ? kobject_put+0xd8/0x160 [ 1074.189885][ T2829] ? device_add+0x2ea/0x8b0 [ 1074.194436][ T2829] device_add+0x2f8/0x8b0 [ 1074.198798][ T2829] netdev_register_kobject+0xfc/0x230 [ 1074.204175][ T2829] register_netdevice+0x65b/0xb20 [ 1074.209202][ T2829] ip6_tnl_create2+0x87/0x210 [ 1074.213887][ T2829] ip6_tnl_newlink+0x2bf/0x460 [ 1074.218757][ T2829] ? ip6_tnl_validate+0x80/0x80 [ 1074.223657][ T2829] rtnl_newlink+0xee5/0x1670 [ 1074.228246][ T2829] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1074.233553][ T2829] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1074.239820][ T2829] ? _raw_spin_unlock+0x26/0x40 [ 1074.244696][ T2829] ? __mutex_lock+0x21c/0x8d0 [ 1074.249372][ T2829] ? rtnl_setlink+0x300/0x300 [ 1074.254167][ T2829] rtnetlink_rcv_msg+0x807/0x8c0 [ 1074.259138][ T2829] ? kmem_cache_free+0x1d9/0x380 [ 1074.264105][ T2829] ? __kfree_skb+0x104/0x140 [ 1074.268696][ T2829] ? nlmon_xmit+0x4b/0x60 [ 1074.273017][ T2829] ? __kfree_skb+0x104/0x140 [ 1074.277602][ T2829] ? consume_skb+0x57/0x180 [ 1074.282104][ T2829] ? nlmon_xmit+0x4b/0x60 [ 1074.286425][ T2829] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1074.291707][ T2829] ? __dev_queue_xmit+0xaae/0x1d80 [ 1074.296895][ T2829] ? ref_tracker_free+0x3a1/0x400 [ 1074.301973][ T2829] netlink_rcv_skb+0x126/0x220 [ 1074.306800][ T2829] ? rtnetlink_bind+0x60/0x60 [ 1074.311552][ T2829] rtnetlink_rcv+0x1c/0x20 [ 1074.316032][ T2829] netlink_unicast+0x589/0x650 [ 1074.320861][ T2829] netlink_sendmsg+0x66e/0x770 [ 1074.325626][ T2829] ? netlink_getsockopt+0x3e0/0x3e0 [ 1074.330888][ T2829] ____sys_sendmsg+0x37c/0x4d0 [ 1074.335647][ T2829] __sys_sendmsg+0x1e9/0x270 [ 1074.340238][ T2829] __x64_sys_sendmsg+0x46/0x50 [ 1074.344991][ T2829] do_syscall_64+0x44/0x110 [ 1074.349486][ T2829] ? syscall_exit_to_user_mode+0x38/0x140 [ 1074.355201][ T2829] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1074.361094][ T2829] RIP: 0033:0x7fd903c48ae9 [ 1074.365519][ T2829] 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 [ 1074.385192][ T2829] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1074.393609][ T2829] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1074.401574][ T2829] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1074.409533][ T2829] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1074.417494][ T2829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1074.425455][ T2829] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1074.433506][ T2829] [ 1074.436623][ T2829] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:56 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async, rerun: 64) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async, rerun: 64) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="180000000000000000efff00"/25], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async, rerun: 32) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) (rerun: 32) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) r8 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000000000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r8}, 0x10) (async) r9 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r10 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r8, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r9, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r10], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000001b40)={r7, 0xe0, &(0x7f0000001a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000001600)=[0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x7, 0x8, &(0x7f0000001640)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000001680)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000001740)=[{}, {}, {}, {}, {}, {}, {}], 0x38, 0x10, &(0x7f0000001980), &(0x7f00000019c0), 0x8, 0x10, 0x8, 0x8, &(0x7f0000001a00)}}, 0x10) r12 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async, rerun: 32) r13 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) (rerun: 32) sendfile(r13, r12, 0x0, 0xf6c1) (async) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x10, 0xb, &(0x7f0000000580)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x9}, [@exit, @map_idx={0x18, 0x4, 0x5, 0x0, 0xc}, @btf_id={0x18, 0x4, 0x3, 0x0, 0x1}, @ldst={0x2, 0x2, 0x3, 0x4, 0xa, 0x20, 0x8}, @map_idx={0x18, 0xa, 0x5, 0x0, 0x10}]}, &(0x7f0000000040)='GPL\x00', 0x80, 0x1000, &(0x7f0000000600)=""/4096, 0x41000, 0xa8, '\x00', 0x0, 0xf, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000480)={0x1, 0xa, 0x1}, 0x10, r11, r13, 0x5, &(0x7f0000001b80)=[0xffffffffffffffff, r6], &(0x7f0000001bc0)=[{0x1, 0x4, 0x6, 0x1}, {0x4, 0x3, 0xa, 0x5}, {0x4, 0x1, 0xf, 0x3}, {0x0, 0x5, 0x8, 0x3}, {0x3, 0x5, 0x3, 0xb}], 0x10, 0x10001}, 0x90) (async) setsockopt$inet_mreqn(r12, 0x0, 0x24, &(0x7f0000001dc0)={@rand_addr=0x80000000, @local}, 0xc) (async, rerun: 64) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async, rerun: 64) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async) socket(0x10, 0x803, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:34:56 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x23a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1074.455561][ T2836] loop3: detected capacity change from 0 to 512 [ 1074.465209][ T2837] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1074.474380][ T2837] CPU: 0 PID: 2837 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1074.484480][ T2837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1074.494530][ T2837] Call Trace: [ 1074.497869][ T2837] [ 1074.500817][ T2837] dump_stack_lvl+0xda/0x130 [ 1074.505553][ T2837] dump_stack+0x15/0x20 [ 1074.507796][ T2834] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1074.509703][ T2837] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1074.522705][ T2834] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1427/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1074.527184][ T2837] kobject_add_internal+0x3eb/0x730 [ 1074.527210][ T2837] kobject_add+0xdc/0x150 [ 1074.527228][ T2837] ? kobject_get+0x95/0xc0 [ 1074.527246][ T2837] ? kobject_put+0xd8/0x160 [ 1074.551576][ T2836] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1074.555921][ T2837] ? device_add+0x2ea/0x8b0 [ 1074.555988][ T2837] device_add+0x2f8/0x8b0 [ 1074.561665][ T2836] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1458/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1074.572850][ T2837] netdev_register_kobject+0xfc/0x230 [ 1074.572886][ T2837] register_netdevice+0x65b/0xb20 [ 1074.607168][ T2837] ip6_tnl_create2+0x87/0x210 [ 1074.611826][ T2837] ip6_tnl_newlink+0x2bf/0x460 [ 1074.616579][ T2837] ? ip6_tnl_validate+0x80/0x80 [ 1074.621455][ T2837] rtnl_newlink+0xee5/0x1670 [ 1074.626045][ T2837] ? dwc2_hcd_qh_add+0x11be/0x1990 [ 1074.631226][ T2837] ? security_capable+0x5e/0x80 [ 1074.636071][ T2837] ? ns_capable+0x7c/0xb0 [ 1074.640507][ T2837] ? rtnl_setlink+0x300/0x300 [ 1074.645192][ T2837] rtnetlink_rcv_msg+0x807/0x8c0 [ 1074.650133][ T2837] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1074.656363][ T2837] ? _raw_spin_unlock+0x26/0x40 [ 1074.661277][ T2837] ? __mutex_lock+0x21c/0x8d0 [ 1074.665944][ T2837] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1074.672043][ T2837] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1074.677217][ T2837] ? __rcu_read_unlock+0x4d/0x70 [ 1074.682153][ T2837] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1074.687398][ T2837] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1074.692758][ T2837] ? __rcu_read_unlock+0x4d/0x70 [ 1074.697706][ T2837] ? __rcu_read_unlock+0x4d/0x70 [ 1074.702629][ T2837] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1074.707995][ T2837] netlink_rcv_skb+0x126/0x220 [ 1074.712871][ T2837] ? rtnetlink_bind+0x60/0x60 [ 1074.717536][ T2837] rtnetlink_rcv+0x1c/0x20 [ 1074.722004][ T2837] netlink_unicast+0x589/0x650 [ 1074.726756][ T2837] netlink_sendmsg+0x66e/0x770 [ 1074.731529][ T2837] ? netlink_getsockopt+0x3e0/0x3e0 [ 1074.736719][ T2837] ____sys_sendmsg+0x37c/0x4d0 [ 1074.741468][ T2837] __sys_sendmsg+0x1e9/0x270 [ 1074.746137][ T2837] __x64_sys_sendmsg+0x46/0x50 [ 1074.750953][ T2837] do_syscall_64+0x44/0x110 [ 1074.755444][ T2837] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1074.761351][ T2837] RIP: 0033:0x7f7033abcae9 [ 1074.765807][ T2837] 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 [ 1074.785396][ T2837] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1074.793943][ T2837] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1074.801906][ T2837] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:34:56 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000100)={'pimreg0\x00', &(0x7f0000000280)=@ethtool_flash={0x33, 0x0, './file0\x00'}}) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0xee00, r4, 0x0) (async) r5 = getgid() syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000080)='./file0\x00', 0x21000e, &(0x7f0000000100)=ANY=[@ANYRES16=r5, @ANYRES8=r5], 0x1, 0x4f4, &(0x7f0000000540)="$eJzs3U9vG2kZAPBnnHhJt1mSZTksK+2yYhelK6idbGgbcWiLhLhVApV7iRIniuLEUey0TVRBKj4AEkJQiRMnLkh8ACTUj4AqVaJ3BAiEoIUDB8qgmUzSxLKbVMR25fx+0ut5Z+yZ53nteDx/3swEcGZ9GBHXI2IkIj6JiIlieqkosbtXstc9e3pvIStJpOnNvyeRFNMi8uqB88VsY3uDjprbO6vz9XptsxivttY2qs3tnYsra/PLteXa+uzszOW5K3OX5qZPpZ1Zu65+888//dEvv3X1t1+984dbf73w/Szp8eL5oh2n7kn+WM7eiwOjEbHZi2ADMFK0pzzoRAAAOJF3IuJzEfGlfPt/IkbyrbmcTToAAAAYEum18fhPEpECAAAAQ+ta3gc2KVWK/r7jUSpVKnt9eD8fb5bqjWbrK0uNrfXFvb6yk1EuLa3Ua9NFn9rJKCfZ+ExefzH+adv4bES8HRE/mTiXj1cWGvXFQR/8AAAAgDPifNv+/78m9vb/AQAAgCEzOegEAAAAgJ7rtv+f9DkPAAAAoHec/wcAAICh9u0bN7KS7t//evH29tZq4/bFxVpztbK2tVBZaGxuVJYbjeX8mn1rxy2v3mhsfC3Wt+5WW7Vmq9rc3rm11thab91aOXILbAAAAKCP3v7iwydJROx+/VxeMm9kDyNdZtBXAIZG6VVe/Kfe5QH0X7efeWD4jQ46AWBwdgedADBoRy710WGj4HDnnSPHDH7Xu5wAAIDTNfWFzuf/s12A8qCTA3rqlc7/A0PF+X84u17x/P+jXuUB9F/ZFgCcecfd6qPrxTtOfP4/TY9dFgAA0FPjeUlKleJc4HiUSpVKxFv5v/qXk6WVem06Ij4bEb+fKH8mG5/J50zcHhAAAAAAAAAAAAAAAAAAAAAAAAAATihNk0gBAACAoRZR+ktS3P9rauLj8fbjA28k/57IhxFx5+c3f3Z3vtXanMmm/+NgeutBMf3TQRzBAAAAANrt76fv78cDAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGl69vTewn7pZ9y/fSMiJjvFH42xfDgW5Yh4859JjB6aL4mIkVOIv3s/It7tFD/J0orJIov2+KWIONef+O+nadox/vlTiA9n2cNs/XO90/evFB/mw87f/9Gi/L+6r/9KB+u/kS7rv7dOGOO9x7+udo1/P+K90c7rn/34SZf4H3VaYIc35Xvf3dnpFj/9RcRUx9+f5Eisamtto9rc3rm4sja/XFuurc/OzlyeuzJ3aW66urRSrxWPHWP8+P3f/Ldt0vN0T97+6BJ/8pj2f5xVyocb0x6mCPb47tN3IuIHafq8bRF5/Asfdf78331J/Oxv4svF70D2/NR+fXevftgHv3r0QcfEiviLXdp/3Od/odtC23zynR/+8YQvBQD6oLm9szpfr9c2e155kKZpv2KpvIaVsdcjDZXjK6dxZAsAAHjdvNjoH3QmAAAAAAAAAAAAAAAAAAAAcHY1t6PU68uJtcfcHUxTAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABe6n8BAAD//wU45q4=") (async) lsetxattr$system_posix_acl(&(0x7f0000000340)='./bus\x00', &(0x7f0000000380)='system.posix_acl_default\x00', &(0x7f00000003c0)={{}, {}, [{}, {0x2, 0x0, 0xffffffffffffffff}, {0x2, 0x2, 0xffffffffffffffff}, {0x2, 0x4, 0xee00}, {0x2, 0x6}, {0x2, 0x2, r4}, {0x2, 0x1, 0xffffffffffffffff}, {0x2, 0x7, 0xee01}], {0x4, 0x7}, [{0x8, 0x1, r5}, {0x8, 0x1, 0xee00}], {0x10, 0x2}}, 0x74, 0x0) (async) lseek(r1, 0x20400, 0x0) (async) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r7 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r7, r6, 0x0, 0xf6c1) r8 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r8, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) lseek(r8, 0x9, 0x2) (async) getpeername$qrtr(r6, &(0x7f0000000000), &(0x7f00000000c0)=0xc) r9 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r9, 0x0, 0x80001d00c0d0) [ 1074.809912][ T2837] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1074.817869][ T2837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1074.825840][ T2837] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1074.833802][ T2837] [ 1074.836862][ T2837] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:34:56 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) r5 = openat2(0xffffffffffffff9c, &(0x7f0000000100)='./bus\x00', &(0x7f0000000280)={0x4000, 0x41}, 0x18) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r5, 0x4058534c, &(0x7f00000002c0)={0x80000001, 0x1, 0x0, 0x30, 0x81, 0xd2}) (async, rerun: 64) r6 = ioctl$TUNGETDEVNETNS(r2, 0x54e3, 0x0) (rerun: 64) lseek(r6, 0xe47, 0x4) (async, rerun: 32) ioctl$BTRFS_IOC_QUOTA_RESCAN(r4, 0x4040942c, &(0x7f0000000000)={0x0, 0x401, [0xffffffffffffffdb, 0x0, 0x7, 0x3, 0x2, 0x9dc]}) (rerun: 32) 12:34:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x74, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1074.859258][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1074.867948][ T2857] loop2: detected capacity change from 0 to 512 [ 1074.877971][ T2846] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1074.887130][ T2846] CPU: 0 PID: 2846 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1074.897111][ T2846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1074.899877][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1074.907153][ T2846] Call Trace: [ 1074.907161][ T2846] [ 1074.907168][ T2846] dump_stack_lvl+0xda/0x130 [ 1074.926896][ T2846] dump_stack+0x15/0x20 [ 1074.928009][ T2857] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1074.931045][ T2846] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1074.931074][ T2846] kobject_add_internal+0x3eb/0x730 [ 1074.943638][ T2857] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1472/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1074.948535][ T2846] kobject_add+0xdc/0x150 [ 1074.948555][ T2846] ? kobject_get+0x95/0xc0 [ 1074.948571][ T2846] ? kobject_put+0xd8/0x160 [ 1074.981883][ T2846] ? device_add+0x2ea/0x8b0 [ 1074.986374][ T2846] device_add+0x2f8/0x8b0 [ 1074.990788][ T2846] netdev_register_kobject+0xfc/0x230 [ 1074.996216][ T2846] register_netdevice+0x65b/0xb20 [ 1075.001251][ T2846] ip6_tnl_create2+0x87/0x210 [ 1075.005912][ T2846] ip6_tnl_newlink+0x2bf/0x460 [ 1075.010765][ T2846] ? ip6_tnl_validate+0x80/0x80 [ 1075.015661][ T2846] rtnl_newlink+0xee5/0x1670 [ 1075.020248][ T2846] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1075.025524][ T2846] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1075.031826][ T2846] ? _raw_spin_unlock+0x26/0x40 [ 1075.036661][ T2846] ? __mutex_lock+0x21c/0x8d0 [ 1075.041328][ T2846] ? rtnl_setlink+0x300/0x300 [ 1075.046008][ T2846] rtnetlink_rcv_msg+0x807/0x8c0 [ 1075.051042][ T2846] ? kmem_cache_free+0x1d9/0x380 [ 1075.056037][ T2846] ? __kfree_skb+0x104/0x140 [ 1075.060685][ T2846] ? nlmon_xmit+0x4b/0x60 [ 1075.065021][ T2846] ? __kfree_skb+0x104/0x140 [ 1075.069618][ T2846] ? consume_skb+0x57/0x180 [ 1075.074190][ T2846] ? nlmon_xmit+0x4b/0x60 [ 1075.078507][ T2846] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1075.083840][ T2846] ? __dev_queue_xmit+0xaae/0x1d80 [ 1075.088938][ T2846] ? ref_tracker_free+0x3a1/0x400 [ 1075.093946][ T2846] netlink_rcv_skb+0x126/0x220 [ 1075.098808][ T2846] ? rtnetlink_bind+0x60/0x60 [ 1075.103570][ T2846] rtnetlink_rcv+0x1c/0x20 [ 1075.107975][ T2846] netlink_unicast+0x589/0x650 [ 1075.112744][ T2846] netlink_sendmsg+0x66e/0x770 [ 1075.117506][ T2846] ? netlink_getsockopt+0x3e0/0x3e0 [ 1075.122703][ T2846] ____sys_sendmsg+0x37c/0x4d0 [ 1075.127447][ T2846] __sys_sendmsg+0x1e9/0x270 [ 1075.132099][ T2846] __x64_sys_sendmsg+0x46/0x50 [ 1075.136846][ T2846] do_syscall_64+0x44/0x110 [ 1075.141419][ T2846] ? syscall_exit_to_user_mode+0x38/0x140 [ 1075.147162][ T2846] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1075.153122][ T2846] RIP: 0033:0x7fd903c48ae9 [ 1075.157526][ T2846] 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 [ 1075.177134][ T2846] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1075.185534][ T2846] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1075.193494][ T2846] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1075.201511][ T2846] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:34:56 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x400000800) lseek(r3, 0x20400, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r5, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1075.209517][ T2846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1075.217470][ T2846] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1075.225441][ T2846] [ 1075.228486][ T2846] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1075.253593][ T2843] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1075.262744][ T2843] CPU: 1 PID: 2843 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1075.272722][ T2843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1075.282773][ T2843] Call Trace: [ 1075.286048][ T2843] [ 1075.289010][ T2843] dump_stack_lvl+0xda/0x130 [ 1075.293593][ T2843] dump_stack+0x15/0x20 [ 1075.297737][ T2843] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1075.302844][ T2843] kobject_add_internal+0x3eb/0x730 [ 1075.308030][ T2843] kobject_add+0xdc/0x150 [ 1075.312343][ T2843] ? kobject_get+0x95/0xc0 [ 1075.316794][ T2843] ? kobject_put+0xd8/0x160 [ 1075.321310][ T2843] ? device_add+0x2ea/0x8b0 [ 1075.325804][ T2843] device_add+0x2f8/0x8b0 [ 1075.330125][ T2843] netdev_register_kobject+0xfc/0x230 [ 1075.335575][ T2843] register_netdevice+0x65b/0xb20 [ 1075.340595][ T2843] ip6_tnl_create2+0x87/0x210 [ 1075.345260][ T2843] ip6_tnl_newlink+0x2bf/0x460 [ 1075.350030][ T2843] ? ip6_tnl_validate+0x80/0x80 [ 1075.354872][ T2843] rtnl_newlink+0xee5/0x1670 [ 1075.359589][ T2843] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1075.364866][ T2843] ? rtnl_newlink+0x2b1/0x1670 [ 1075.369626][ T2843] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1075.375858][ T2843] ? _raw_spin_unlock+0x26/0x40 [ 1075.380701][ T2843] ? __mutex_lock+0x21c/0x8d0 [ 1075.385416][ T2843] ? rtnl_setlink+0x300/0x300 [ 1075.390086][ T2843] rtnetlink_rcv_msg+0x807/0x8c0 [ 1075.395020][ T2843] ? kmem_cache_free+0x1d9/0x380 [ 1075.399948][ T2843] ? __kfree_skb+0x104/0x140 [ 1075.404531][ T2843] ? nlmon_xmit+0x4b/0x60 [ 1075.408848][ T2843] ? __kfree_skb+0x104/0x140 [ 1075.413433][ T2843] ? consume_skb+0x57/0x180 [ 1075.417996][ T2843] ? nlmon_xmit+0x4b/0x60 [ 1075.422388][ T2843] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1075.427883][ T2843] ? __dev_queue_xmit+0xaae/0x1d80 [ 1075.433011][ T2843] ? ref_tracker_free+0x3a1/0x400 [ 1075.438050][ T2843] netlink_rcv_skb+0x126/0x220 [ 1075.442821][ T2843] ? rtnetlink_bind+0x60/0x60 [ 1075.447494][ T2843] rtnetlink_rcv+0x1c/0x20 [ 1075.451986][ T2843] netlink_unicast+0x589/0x650 [ 1075.456746][ T2843] netlink_sendmsg+0x66e/0x770 [ 1075.461522][ T2843] ? netlink_getsockopt+0x3e0/0x3e0 [ 1075.466828][ T2843] ____sys_sendmsg+0x37c/0x4d0 [ 1075.471581][ T2843] __sys_sendmsg+0x1e9/0x270 [ 1075.476245][ T2843] __x64_sys_sendmsg+0x46/0x50 [ 1075.480995][ T2843] do_syscall_64+0x44/0x110 [ 1075.485539][ T2843] ? syscall_exit_to_user_mode+0x38/0x140 [ 1075.491336][ T2843] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1075.497222][ T2843] RIP: 0033:0x7f7bcc9aeae9 [ 1075.501624][ T2843] 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 [ 1075.521219][ T2843] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1075.529637][ T2843] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1075.537669][ T2843] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1075.545676][ T2843] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1075.553634][ T2843] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:34:56 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x254, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:34:57 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000100)={'pimreg0\x00', &(0x7f0000000280)=@ethtool_flash={0x33, 0x0, './file0\x00'}}) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0xee00, r4, 0x0) (async) r5 = getgid() syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000080)='./file0\x00', 0x21000e, &(0x7f0000000100)=ANY=[@ANYRES16=r5, @ANYRES8=r5], 0x1, 0x4f4, &(0x7f0000000540)="$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") (async) lsetxattr$system_posix_acl(&(0x7f0000000340)='./bus\x00', &(0x7f0000000380)='system.posix_acl_default\x00', &(0x7f00000003c0)={{}, {}, [{}, {0x2, 0x0, 0xffffffffffffffff}, {0x2, 0x2, 0xffffffffffffffff}, {0x2, 0x4, 0xee00}, {0x2, 0x6}, {0x2, 0x2, r4}, {0x2, 0x1, 0xffffffffffffffff}, {0x2, 0x7, 0xee01}], {0x4, 0x7}, [{0x8, 0x1, r5}, {0x8, 0x1, 0xee00}], {0x10, 0x2}}, 0x74, 0x0) (async) lseek(r1, 0x20400, 0x0) (async) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r7 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r7, r6, 0x0, 0xf6c1) r8 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r8, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) lseek(r8, 0x9, 0x2) (async) getpeername$qrtr(r6, &(0x7f0000000000), &(0x7f00000000c0)=0xc) r9 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r9, 0x0, 0x80001d00c0d0) 12:34:57 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r5 = openat2(0xffffffffffffff9c, &(0x7f0000000100)='./bus\x00', &(0x7f0000000280)={0x4000, 0x41}, 0x18) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r5, 0x4058534c, &(0x7f00000002c0)={0x80000001, 0x1, 0x0, 0x30, 0x81, 0xd2}) r6 = ioctl$TUNGETDEVNETNS(r2, 0x54e3, 0x0) lseek(r6, 0xe47, 0x4) ioctl$BTRFS_IOC_QUOTA_RESCAN(r4, 0x4040942c, &(0x7f0000000000)={0x0, 0x401, [0xffffffffffffffdb, 0x0, 0x7, 0x3, 0x2, 0x9dc]}) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) openat2(0xffffffffffffff9c, &(0x7f0000000100)='./bus\x00', &(0x7f0000000280)={0x4000, 0x41}, 0x18) (async) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r5, 0x4058534c, &(0x7f00000002c0)={0x80000001, 0x1, 0x0, 0x30, 0x81, 0xd2}) (async) ioctl$TUNGETDEVNETNS(r2, 0x54e3, 0x0) (async) lseek(r6, 0xe47, 0x4) (async) ioctl$BTRFS_IOC_QUOTA_RESCAN(r4, 0x4040942c, &(0x7f0000000000)={0x0, 0x401, [0xffffffffffffffdb, 0x0, 0x7, 0x3, 0x2, 0x9dc]}) (async) [ 1075.561592][ T2843] R13: 000000000000000b R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1075.569598][ T2843] [ 1075.572712][ T2843] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1075.606547][ T2885] loop4: detected capacity change from 0 to 512 [ 1075.614674][ T2888] loop3: detected capacity change from 0 to 512 [ 1075.622086][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1075.623221][ T2867] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1075.640263][ T2867] CPU: 1 PID: 2867 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1075.647388][ T2885] EXT4-fs warning (device loop4): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop4. [ 1075.650228][ T2867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1075.650242][ T2867] Call Trace: [ 1075.650249][ T2867] [ 1075.677654][ T2867] dump_stack_lvl+0xda/0x130 [ 1075.682243][ T2867] dump_stack+0x15/0x20 [ 1075.686419][ T2867] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1075.691603][ T2867] kobject_add_internal+0x3eb/0x730 [ 1075.696855][ T2867] kobject_add+0xdc/0x150 [ 1075.701175][ T2867] ? kobject_get+0x95/0xc0 [ 1075.705582][ T2867] ? kobject_put+0xd8/0x160 [ 1075.710077][ T2867] ? device_add+0x2ea/0x8b0 [ 1075.714628][ T2867] device_add+0x2f8/0x8b0 [ 1075.718954][ T2867] netdev_register_kobject+0xfc/0x230 [ 1075.724381][ T2867] register_netdevice+0x65b/0xb20 [ 1075.729408][ T2867] ip6_tnl_create2+0x87/0x210 [ 1075.734074][ T2867] ip6_tnl_newlink+0x2bf/0x460 [ 1075.738838][ T2867] ? ip6_tnl_validate+0x80/0x80 [ 1075.743758][ T2867] rtnl_newlink+0xee5/0x1670 [ 1075.748350][ T2867] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1075.753641][ T2867] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1075.759967][ T2867] ? _raw_spin_unlock+0x26/0x40 [ 1075.764813][ T2867] ? __mutex_lock+0x21c/0x8d0 [ 1075.769491][ T2867] ? rtnl_setlink+0x300/0x300 [ 1075.774165][ T2867] rtnetlink_rcv_msg+0x807/0x8c0 [ 1075.779125][ T2867] ? __rcu_read_unlock+0x4d/0x70 [ 1075.784066][ T2867] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1075.789498][ T2867] netlink_rcv_skb+0x126/0x220 [ 1075.794389][ T2867] ? rtnetlink_bind+0x60/0x60 [ 1075.799069][ T2867] rtnetlink_rcv+0x1c/0x20 [ 1075.803484][ T2867] netlink_unicast+0x589/0x650 [ 1075.808357][ T2867] netlink_sendmsg+0x66e/0x770 [ 1075.813123][ T2867] ? netlink_getsockopt+0x3e0/0x3e0 [ 1075.818322][ T2867] ____sys_sendmsg+0x37c/0x4d0 [ 1075.823076][ T2867] __sys_sendmsg+0x1e9/0x270 [ 1075.827691][ T2867] __x64_sys_sendmsg+0x46/0x50 [ 1075.832458][ T2867] do_syscall_64+0x44/0x110 [ 1075.837021][ T2867] ? syscall_exit_to_user_mode+0x38/0x140 [ 1075.842819][ T2867] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1075.848713][ T2867] RIP: 0033:0x7f7033abcae9 [ 1075.853123][ T2867] 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 [ 1075.872726][ T2867] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1075.881143][ T2867] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1075.889104][ T2867] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1075.897192][ T2867] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 12:34:57 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) setsockopt$TIPC_CONN_TIMEOUT(r4, 0x10f, 0x82, &(0x7f0000000000)=0x393e, 0x4) lseek(r1, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r5, 0x0, 0x80001d00c0d0) [ 1075.905151][ T2867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1075.913159][ T2867] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1075.921125][ T2867] [ 1075.924264][ T2867] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1075.937630][ T2888] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. 12:34:57 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x78, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1075.944900][ T2873] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1075.952526][ T2888] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1460/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1075.960353][ T2873] CPU: 1 PID: 2873 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1075.985164][ T2873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1075.995222][ T2873] Call Trace: [ 1075.998506][ T2873] [ 1076.001473][ T2873] dump_stack_lvl+0xda/0x130 [ 1076.006108][ T2873] dump_stack+0x15/0x20 [ 1076.010259][ T2873] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1076.015355][ T2873] kobject_add_internal+0x3eb/0x730 [ 1076.020582][ T2873] kobject_add+0xdc/0x150 [ 1076.024903][ T2873] ? kobject_get+0x95/0xc0 [ 1076.029355][ T2873] ? kobject_put+0xd8/0x160 [ 1076.033842][ T2873] ? device_add+0x2ea/0x8b0 [ 1076.038331][ T2873] device_add+0x2f8/0x8b0 [ 1076.042678][ T2873] netdev_register_kobject+0xfc/0x230 [ 1076.048059][ T2873] register_netdevice+0x65b/0xb20 [ 1076.053075][ T2873] ip6_tnl_create2+0x87/0x210 [ 1076.057816][ T2873] ip6_tnl_newlink+0x2bf/0x460 [ 1076.062653][ T2873] ? ip6_tnl_validate+0x80/0x80 [ 1076.067561][ T2873] rtnl_newlink+0xee5/0x1670 [ 1076.072221][ T2873] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1076.078525][ T2873] ? _raw_spin_unlock+0x26/0x40 [ 1076.083380][ T2873] ? __mutex_lock+0x21c/0x8d0 [ 1076.088040][ T2873] ? rtnl_setlink+0x300/0x300 [ 1076.092727][ T2873] rtnetlink_rcv_msg+0x807/0x8c0 [ 1076.097676][ T2873] ? skb_release_data+0x2e/0x550 [ 1076.102611][ T2873] ? nlmon_xmit+0x4b/0x60 [ 1076.106945][ T2873] ? kmem_cache_free+0x1d9/0x380 [ 1076.111887][ T2873] ? __kfree_skb+0x104/0x140 [ 1076.116469][ T2873] ? nlmon_xmit+0x4b/0x60 [ 1076.120788][ T2873] ? __kfree_skb+0x104/0x140 [ 1076.125424][ T2873] ? consume_skb+0x57/0x180 [ 1076.129941][ T2873] ? nlmon_xmit+0x4b/0x60 [ 1076.134270][ T2873] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1076.139538][ T2873] ? __dev_queue_xmit+0xaae/0x1d80 [ 1076.144655][ T2873] ? ref_tracker_free+0x3a1/0x400 [ 1076.149669][ T2873] netlink_rcv_skb+0x126/0x220 [ 1076.154419][ T2873] ? rtnetlink_bind+0x60/0x60 [ 1076.159304][ T2873] rtnetlink_rcv+0x1c/0x20 [ 1076.163709][ T2873] netlink_unicast+0x589/0x650 [ 1076.168473][ T2873] netlink_sendmsg+0x66e/0x770 [ 1076.173273][ T2873] ? netlink_getsockopt+0x3e0/0x3e0 [ 1076.178456][ T2873] ____sys_sendmsg+0x37c/0x4d0 [ 1076.183202][ T2873] __sys_sendmsg+0x1e9/0x270 [ 1076.187802][ T2873] __x64_sys_sendmsg+0x46/0x50 [ 1076.192548][ T2873] do_syscall_64+0x44/0x110 [ 1076.197033][ T2873] ? syscall_exit_to_user_mode+0x38/0x140 [ 1076.202880][ T2873] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1076.208856][ T2873] RIP: 0033:0x7fd903c48ae9 [ 1076.213252][ T2873] 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 [ 1076.232868][ T2873] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1076.241310][ T2873] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1076.249344][ T2873] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:34:57 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r2, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) pwrite64(r2, &(0x7f0000000280)="4c4cac7f331d3c0215475d750a8498162166a0d79e9d514857c5f59eb676a8b877abdc87175e3886e0edd3d0d7694b11be884ecaf9012a108be89a80e85b8b4a14fc773396c25eb40bde95da1c11b81e4a9f4d33ba56716234c6c560d3557ea1c1b53d6fd9205eb2b84a2dbc4cc05924c0b851bc2efac7c06089befe4b48ac38aefca9c587e85acd2f9c7f9f5b3ed6d48c9d0cd8701d8cdd80eb4fc2f2a27a2fc24b9aeeda5adbbedd11dda854e99484a40c6beae2b161c5917a592018a7815635c1e95388ab1eeee5ebda69bcf77cc5ad23fa70e5666f4705d4c9d5eec929fc8361cac4148599ef6f480de0726ae50c13cdce0ab5", 0xf5, 0x8) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r1, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r4, 0x0, 0x80001d00c0d0) [ 1076.257360][ T2873] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1076.265385][ T2873] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1076.273337][ T2873] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1076.281300][ T2873] [ 1076.284428][ T2873] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1076.294821][T30579] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 12:34:57 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000040)={'veth1_to_bridge\x00', @remote}) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r5 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r6 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r6, r5, 0x0, 0xf6c1) ioctl$sock_inet6_tcp_SIOCATMARK(r6, 0x8905, &(0x7f0000000480)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r7 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r7}, 0x10) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r9 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r10 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r10, r9, 0x0, 0xf6c1) ioctl$TUNSETIFF(r9, 0x400454ca, &(0x7f0000000780)={'vlan0\x00', 0x100}) r11 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xf, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x2, &(0x7f00000004c0)=""/2, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x106, 0x7fff, 0x3}, 0x10, 0x0, r7, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r11], &(0x7f0000001840)=[{0x4, 0x2, 0x10, 0x8}, {0x4, 0x2, 0x7, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x0, 0x2, 0x2, 0x3}, {0x1, 0x3, 0x1, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r12 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r12, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) execve(&(0x7f0000000580)='./bus\x00', &(0x7f0000000640)=[&(0x7f00000005c0)='\x00', &(0x7f0000000600)='syzkaller1\x00'], &(0x7f0000000740)=[&(0x7f0000000680)='\\\x00', &(0x7f00000006c0)='/dev/net/tun\x00', &(0x7f0000000700)='%*\'\x00']) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:34:57 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x256, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1076.316556][ T2902] loop4: detected capacity change from 0 to 512 [ 1076.332379][ T2904] loop2: detected capacity change from 0 to 512 [ 1076.333127][ T2897] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1076.347811][ T2897] CPU: 0 PID: 2897 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1076.357841][ T2897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1076.367902][ T2897] Call Trace: [ 1076.368793][ T2904] EXT4-fs warning (device loop2): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop2. [ 1076.371168][ T2897] [ 1076.371177][ T2897] dump_stack_lvl+0xda/0x130 [ 1076.383687][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1076.385275][ T2897] dump_stack+0x15/0x20 [ 1076.385299][ T2897] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1076.385328][ T2897] kobject_add_internal+0x3eb/0x730 [ 1076.396974][ T2902] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1076.398797][ T2897] kobject_add+0xdc/0x150 [ 1076.398819][ T2897] ? kobject_get+0x95/0xc0 [ 1076.398835][ T2897] ? kobject_put+0xd8/0x160 [ 1076.398850][ T2897] ? device_add+0x2ea/0x8b0 [ 1076.403128][ T2902] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1430/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1076.408092][ T2897] device_add+0x2f8/0x8b0 [ 1076.408123][ T2897] netdev_register_kobject+0xfc/0x230 [ 1076.467906][ T2897] register_netdevice+0x65b/0xb20 [ 1076.472927][ T2897] ip6_tnl_create2+0x87/0x210 [ 1076.477661][ T2897] ip6_tnl_newlink+0x2bf/0x460 [ 1076.482491][ T2897] ? ip6_tnl_validate+0x80/0x80 [ 1076.487386][ T2897] rtnl_newlink+0xee5/0x1670 [ 1076.492088][ T2897] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1076.498315][ T2897] ? _raw_spin_unlock+0x26/0x40 [ 1076.503153][ T2897] ? __mutex_lock+0x21c/0x8d0 [ 1076.507871][ T2897] ? rtnl_setlink+0x300/0x300 [ 1076.512544][ T2897] rtnetlink_rcv_msg+0x807/0x8c0 [ 1076.517496][ T2897] ? __rcu_read_unlock+0x4d/0x70 [ 1076.522420][ T2897] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1076.527778][ T2897] netlink_rcv_skb+0x126/0x220 [ 1076.532530][ T2897] ? rtnetlink_bind+0x60/0x60 [ 1076.537198][ T2897] rtnetlink_rcv+0x1c/0x20 [ 1076.541680][ T2897] netlink_unicast+0x589/0x650 [ 1076.546454][ T2897] netlink_sendmsg+0x66e/0x770 [ 1076.551209][ T2897] ? netlink_getsockopt+0x3e0/0x3e0 [ 1076.556424][ T2897] ____sys_sendmsg+0x37c/0x4d0 [ 1076.561266][ T2897] __sys_sendmsg+0x1e9/0x270 [ 1076.565843][ T2897] __x64_sys_sendmsg+0x46/0x50 [ 1076.570727][ T2897] do_syscall_64+0x44/0x110 [ 1076.575219][ T2897] ? syscall_exit_to_user_mode+0x38/0x140 [ 1076.580932][ T2897] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1076.586872][ T2897] RIP: 0033:0x7f7033abcae9 [ 1076.591269][ T2897] 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 [ 1076.610857][ T2897] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1076.619249][ T2897] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1076.627280][ T2897] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1076.635243][ T2897] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1076.643239][ T2897] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1076.651199][ T2897] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1076.659245][ T2897] [ 1076.662416][ T2897] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1076.678673][ T2914] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1076.687854][ T2914] CPU: 1 PID: 2914 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1076.697869][ T2914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1076.708031][ T2914] Call Trace: [ 1076.711309][ T2914] [ 1076.714231][ T2914] dump_stack_lvl+0xda/0x130 [ 1076.718850][ T2914] dump_stack+0x15/0x20 [ 1076.723013][ T2914] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1076.728121][ T2914] kobject_add_internal+0x3eb/0x730 [ 1076.733309][ T2914] kobject_add+0xdc/0x150 [ 1076.737626][ T2914] ? kobject_get+0x95/0xc0 [ 1076.742041][ T2914] ? kobject_put+0xd8/0x160 [ 1076.746580][ T2914] ? device_add+0x2ea/0x8b0 [ 1076.751078][ T2914] device_add+0x2f8/0x8b0 [ 1076.755482][ T2914] netdev_register_kobject+0xfc/0x230 [ 1076.761111][ T2914] register_netdevice+0x65b/0xb20 [ 1076.766329][ T2914] ip6_tnl_create2+0x87/0x210 [ 1076.770995][ T2914] ip6_tnl_newlink+0x2bf/0x460 [ 1076.775830][ T2914] ? ip6_tnl_validate+0x80/0x80 [ 1076.780732][ T2914] rtnl_newlink+0xee5/0x1670 [ 1076.785333][ T2914] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1076.791567][ T2914] ? _raw_spin_unlock+0x26/0x40 [ 1076.796430][ T2914] ? __mutex_lock+0x21c/0x8d0 [ 1076.801167][ T2914] ? rtnl_setlink+0x300/0x300 [ 1076.805841][ T2914] rtnetlink_rcv_msg+0x807/0x8c0 [ 1076.810814][ T2914] ? kmem_cache_free+0x1d9/0x380 [ 1076.815757][ T2914] ? __kfree_skb+0x104/0x140 [ 1076.820360][ T2914] ? nlmon_xmit+0x4b/0x60 [ 1076.824688][ T2914] ? __kfree_skb+0x104/0x140 [ 1076.829320][ T2914] ? consume_skb+0x57/0x180 [ 1076.833840][ T2914] ? nlmon_xmit+0x4b/0x60 [ 1076.838243][ T2914] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1076.843519][ T2914] ? __dev_queue_xmit+0xaae/0x1d80 [ 1076.848621][ T2914] ? ref_tracker_free+0x3a1/0x400 [ 1076.853633][ T2914] ? __skb_clone+0x136/0x2f0 [ 1076.858280][ T2914] netlink_rcv_skb+0x126/0x220 [ 1076.863046][ T2914] ? rtnetlink_bind+0x60/0x60 [ 1076.867723][ T2914] rtnetlink_rcv+0x1c/0x20 [ 1076.872183][ T2914] netlink_unicast+0x589/0x650 [ 1076.876955][ T2914] netlink_sendmsg+0x66e/0x770 [ 1076.881779][ T2914] ? netlink_getsockopt+0x3e0/0x3e0 [ 1076.887004][ T2914] ____sys_sendmsg+0x37c/0x4d0 [ 1076.891756][ T2914] __sys_sendmsg+0x1e9/0x270 [ 1076.896343][ T2914] __x64_sys_sendmsg+0x46/0x50 [ 1076.901094][ T2914] do_syscall_64+0x44/0x110 [ 1076.905610][ T2914] ? syscall_exit_to_user_mode+0x38/0x140 [ 1076.911391][ T2914] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1076.917281][ T2914] RIP: 0033:0x7fd903c48ae9 [ 1076.921683][ T2914] 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 [ 1076.941334][ T2914] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1076.949740][ T2914] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1076.957764][ T2914] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:34:58 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:34:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x7a, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:34:58 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x266, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1076.965722][ T2914] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1076.973678][ T2914] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1076.981709][ T2914] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1076.989671][ T2914] [ 1076.992757][ T2914] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1077.024219][T31240] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1077.028652][ T2924] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1077.042908][ T2924] CPU: 0 PID: 2924 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1077.052925][ T2924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1077.061784][ T2935] loop2: detected capacity change from 0 to 512 [ 1077.062962][ T2924] Call Trace: 12:34:58 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) setsockopt$TIPC_CONN_TIMEOUT(r4, 0x10f, 0x82, &(0x7f0000000000)=0x393e, 0x4) (async) setsockopt$TIPC_CONN_TIMEOUT(r4, 0x10f, 0x82, &(0x7f0000000000)=0x393e, 0x4) lseek(r1, 0x20400, 0x0) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r5, 0x0, 0x80001d00c0d0) [ 1077.062970][ T2924] [ 1077.062977][ T2924] dump_stack_lvl+0xda/0x130 [ 1077.073991][ T2938] loop3: detected capacity change from 0 to 512 [ 1077.075382][ T2924] dump_stack+0x15/0x20 [ 1077.075406][ T2924] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1077.085410][ T2935] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1077.086192][ T2924] kobject_add_internal+0x3eb/0x730 [ 1077.090661][ T2935] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1474/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1077.095424][ T2924] kobject_add+0xdc/0x150 [ 1077.095496][ T2924] ? kobject_get+0x95/0xc0 [ 1077.095512][ T2924] ? kobject_put+0xd8/0x160 [ 1077.095528][ T2924] ? device_add+0x2ea/0x8b0 [ 1077.119615][ T2938] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1077.128043][ T2924] device_add+0x2f8/0x8b0 [ 1077.133384][ T2938] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1461/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1077.136787][ T2924] netdev_register_kobject+0xfc/0x230 [ 1077.182813][ T2924] register_netdevice+0x65b/0xb20 [ 1077.187983][ T2924] ip6_tnl_create2+0x87/0x210 [ 1077.192690][ T2924] ip6_tnl_newlink+0x2bf/0x460 [ 1077.197515][ T2924] ? ip6_tnl_validate+0x80/0x80 [ 1077.202357][ T2924] rtnl_newlink+0xee5/0x1670 [ 1077.206980][ T2924] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1077.212333][ T2924] ? rtnl_newlink+0x2b1/0x1670 [ 1077.217188][ T2924] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1077.223415][ T2924] ? _raw_spin_unlock+0x26/0x40 [ 1077.228251][ T2924] ? __mutex_lock+0x21c/0x8d0 [ 1077.232913][ T2924] ? rtnl_setlink+0x300/0x300 [ 1077.237603][ T2924] rtnetlink_rcv_msg+0x807/0x8c0 [ 1077.242562][ T2924] ? errseq_check+0x2c/0x50 [ 1077.247056][ T2924] ? file_check_and_advance_wb_err+0xa7/0x1a0 [ 1077.253164][ T2924] ? jbd2_trans_will_send_data_barrier+0x82/0x1d0 [ 1077.259599][ T2924] ? ext4_sync_file+0x1bb/0x6c0 [ 1077.264512][ T2924] ? kmem_cache_free+0x1d9/0x380 [ 1077.269508][ T2924] ? __kfree_skb+0x104/0x140 [ 1077.274150][ T2924] ? nlmon_xmit+0x4b/0x60 [ 1077.278511][ T2924] ? __kfree_skb+0x104/0x140 [ 1077.283195][ T2924] ? consume_skb+0x57/0x180 [ 1077.287714][ T2924] ? nlmon_xmit+0x4b/0x60 [ 1077.292108][ T2924] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1077.297380][ T2924] ? __dev_queue_xmit+0xaae/0x1d80 [ 1077.302504][ T2924] ? ref_tracker_free+0x3a1/0x400 [ 1077.307526][ T2924] netlink_rcv_skb+0x126/0x220 [ 1077.312279][ T2924] ? rtnetlink_bind+0x60/0x60 [ 1077.317102][ T2924] rtnetlink_rcv+0x1c/0x20 [ 1077.321541][ T2924] netlink_unicast+0x589/0x650 [ 1077.326367][ T2924] netlink_sendmsg+0x66e/0x770 [ 1077.331119][ T2924] ? netlink_getsockopt+0x3e0/0x3e0 [ 1077.336383][ T2924] ____sys_sendmsg+0x37c/0x4d0 [ 1077.341127][ T2924] __sys_sendmsg+0x1e9/0x270 [ 1077.345716][ T2924] __x64_sys_sendmsg+0x46/0x50 [ 1077.350473][ T2924] do_syscall_64+0x44/0x110 [ 1077.355041][ T2924] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1077.360987][ T2924] RIP: 0033:0x7f7bcc9aeae9 [ 1077.365473][ T2924] 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 [ 1077.385156][ T2924] RSP: 002b:00007f7bcbcef0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1077.393600][ T2924] RAX: ffffffffffffffda RBX: 00007f7bccace120 RCX: 00007f7bcc9aeae9 [ 1077.401567][ T2924] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1077.409570][ T2924] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1077.417524][ T2924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:34:59 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r2, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) pwrite64(r2, &(0x7f0000000280)="4c4cac7f331d3c0215475d750a8498162166a0d79e9d514857c5f59eb676a8b877abdc87175e3886e0edd3d0d7694b11be884ecaf9012a108be89a80e85b8b4a14fc773396c25eb40bde95da1c11b81e4a9f4d33ba56716234c6c560d3557ea1c1b53d6fd9205eb2b84a2dbc4cc05924c0b851bc2efac7c06089befe4b48ac38aefca9c587e85acd2f9c7f9f5b3ed6d48c9d0cd8701d8cdd80eb4fc2f2a27a2fc24b9aeeda5adbbedd11dda854e99484a40c6beae2b161c5917a592018a7815635c1e95388ab1eeee5ebda69bcf77cc5ad23fa70e5666f4705d4c9d5eec929fc8361cac4148599ef6f480de0726ae50c13cdce0ab5", 0xf5, 0x8) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) (async, rerun: 64) lseek(r1, 0x20400, 0x0) (rerun: 64) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r4, 0x0, 0x80001d00c0d0) [ 1077.425504][ T2924] R13: 000000000000006e R14: 00007f7bccace120 R15: 00007ffcd1f66038 [ 1077.433461][ T2924] [ 1077.436544][ T2924] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1077.441625][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1077.474265][ T2937] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1077.474287][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1077.483366][ T2937] CPU: 1 PID: 2937 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1077.502269][ T2937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1077.506051][ T2957] loop4: detected capacity change from 0 to 512 [ 1077.512477][ T2937] Call Trace: [ 1077.512485][ T2937] 12:34:59 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) lseek(r3, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r5, 0x0, 0x80001d00c0d0) (async) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1077.512491][ T2937] dump_stack_lvl+0xda/0x130 [ 1077.529657][ T2937] dump_stack+0x15/0x20 [ 1077.533834][ T2937] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1077.539097][ T2937] kobject_add_internal+0x3eb/0x730 [ 1077.540447][ T2959] loop3: detected capacity change from 0 to 512 [ 1077.544294][ T2937] kobject_add+0xdc/0x150 [ 1077.544315][ T2937] ? kobject_get+0x95/0xc0 [ 1077.544331][ T2937] ? kobject_put+0xd8/0x160 [ 1077.544358][ T2937] ? device_add+0x2ea/0x8b0 [ 1077.553706][ T2957] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1077.554918][ T2937] device_add+0x2f8/0x8b0 [ 1077.559439][ T2957] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1431/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1077.563826][ T2937] netdev_register_kobject+0xfc/0x230 [ 1077.587442][ T2959] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1077.599897][ T2937] register_netdevice+0x65b/0xb20 [ 1077.599934][ T2937] ip6_tnl_create2+0x87/0x210 [ 1077.605400][ T2959] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1462/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1077.617644][ T2937] ip6_tnl_newlink+0x2bf/0x460 [ 1077.646969][ T2937] ? ip6_tnl_validate+0x80/0x80 [ 1077.651856][ T2937] rtnl_newlink+0xee5/0x1670 [ 1077.656447][ T2937] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1077.661795][ T2937] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1077.668102][ T2937] ? _raw_spin_unlock+0x26/0x40 [ 1077.673021][ T2937] ? __mutex_lock+0x21c/0x8d0 [ 1077.677687][ T2937] ? rtnl_setlink+0x300/0x300 [ 1077.682352][ T2937] rtnetlink_rcv_msg+0x807/0x8c0 [ 1077.687331][ T2937] ? kmem_cache_free+0x1d9/0x380 [ 1077.692321][ T2937] ? __kfree_skb+0x104/0x140 [ 1077.696961][ T2937] ? nlmon_xmit+0x4b/0x60 [ 1077.701344][ T2937] ? __kfree_skb+0x104/0x140 [ 1077.705980][ T2937] ? consume_skb+0x57/0x180 [ 1077.710518][ T2937] ? nlmon_xmit+0x4b/0x60 [ 1077.714828][ T2937] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1077.720097][ T2937] ? __dev_queue_xmit+0xaae/0x1d80 [ 1077.725267][ T2937] ? ref_tracker_free+0x3a1/0x400 [ 1077.730565][ T2937] netlink_rcv_skb+0x126/0x220 [ 1077.735367][ T2937] ? rtnetlink_bind+0x60/0x60 [ 1077.740065][ T2937] rtnetlink_rcv+0x1c/0x20 [ 1077.744565][ T2937] netlink_unicast+0x589/0x650 [ 1077.749315][ T2937] netlink_sendmsg+0x66e/0x770 [ 1077.754084][ T2937] ? netlink_getsockopt+0x3e0/0x3e0 [ 1077.759270][ T2937] ____sys_sendmsg+0x37c/0x4d0 [ 1077.764053][ T2937] __sys_sendmsg+0x1e9/0x270 [ 1077.768652][ T2937] __x64_sys_sendmsg+0x46/0x50 [ 1077.773395][ T2937] do_syscall_64+0x44/0x110 [ 1077.777880][ T2937] ? syscall_exit_to_user_mode+0x38/0x140 [ 1077.783682][ T2937] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1077.789685][ T2937] RIP: 0033:0x7fd903c48ae9 [ 1077.794082][ T2937] 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 [ 1077.813669][ T2937] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1077.822063][ T2937] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1077.830021][ T2937] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1077.838011][ T2937] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1077.845962][ T2937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1077.853960][ T2937] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1077.861961][ T2937] 12:34:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x8e, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:34:59 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x26e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:34:59 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000040)={'veth1_to_bridge\x00', @remote}) (async) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r5 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r6 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r6, r5, 0x0, 0xf6c1) (async) ioctl$sock_inet6_tcp_SIOCATMARK(r6, 0x8905, &(0x7f0000000480)) (async) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r7 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r7}, 0x10) (async) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r9 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r10 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r10, r9, 0x0, 0xf6c1) ioctl$TUNSETIFF(r9, 0x400454ca, &(0x7f0000000780)={'vlan0\x00', 0x100}) r11 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xf, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x2, &(0x7f00000004c0)=""/2, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x106, 0x7fff, 0x3}, 0x10, 0x0, r7, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r11], &(0x7f0000001840)=[{0x4, 0x2, 0x10, 0x8}, {0x4, 0x2, 0x7, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x0, 0x2, 0x2, 0x3}, {0x1, 0x3, 0x1, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) r12 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r12, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) execve(&(0x7f0000000580)='./bus\x00', &(0x7f0000000640)=[&(0x7f00000005c0)='\x00', &(0x7f0000000600)='syzkaller1\x00'], &(0x7f0000000740)=[&(0x7f0000000680)='\\\x00', &(0x7f00000006c0)='/dev/net/tun\x00', &(0x7f0000000700)='%*\'\x00']) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:34:59 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) (async) open(0x0, 0x0, 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) setsockopt$TIPC_CONN_TIMEOUT(r4, 0x10f, 0x82, &(0x7f0000000000)=0x393e, 0x4) lseek(r1, 0x20400, 0x0) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r5, 0x0, 0x80001d00c0d0) [ 1077.865055][ T2937] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1077.869755][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1077.909848][ T2972] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1077.915123][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1077.918982][ T2972] CPU: 1 PID: 2972 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1077.937842][ T2972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1077.947909][ T2972] Call Trace: [ 1077.951174][ T2972] [ 1077.954118][ T2972] dump_stack_lvl+0xda/0x130 [ 1077.958702][ T2972] dump_stack+0x15/0x20 [ 1077.962848][ T2972] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1077.968024][ T2972] kobject_add_internal+0x3eb/0x730 [ 1077.973218][ T2972] kobject_add+0xdc/0x150 [ 1077.977536][ T2972] ? kobject_get+0x95/0xc0 [ 1077.981940][ T2972] ? kobject_put+0xd8/0x160 [ 1077.986432][ T2972] ? device_add+0x2ea/0x8b0 [ 1077.990939][ T2972] device_add+0x2f8/0x8b0 [ 1077.995296][ T2972] netdev_register_kobject+0xfc/0x230 [ 1078.000722][ T2972] register_netdevice+0x65b/0xb20 [ 1078.005786][ T2972] ip6_tnl_create2+0x87/0x210 [ 1078.010451][ T2972] ip6_tnl_newlink+0x2bf/0x460 [ 1078.015311][ T2972] ? ip6_tnl_validate+0x80/0x80 [ 1078.020210][ T2972] rtnl_newlink+0xee5/0x1670 [ 1078.024817][ T2972] ? security_capable+0x5e/0x80 [ 1078.029667][ T2972] ? ns_capable+0x7c/0xb0 [ 1078.034061][ T2972] ? rtnl_setlink+0x300/0x300 [ 1078.038735][ T2972] rtnetlink_rcv_msg+0x807/0x8c0 [ 1078.043671][ T2972] ? security_capable+0x5e/0x80 [ 1078.048550][ T2972] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1078.054576][ T2972] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1078.059712][ T2972] ? __rcu_read_unlock+0x4d/0x70 [ 1078.064700][ T2972] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1078.069888][ T2972] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1078.075322][ T2972] ? __rcu_read_unlock+0x4d/0x70 [ 1078.080278][ T2972] ? __rcu_read_unlock+0x4d/0x70 [ 1078.085207][ T2972] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1078.090568][ T2972] netlink_rcv_skb+0x126/0x220 [ 1078.095330][ T2972] ? rtnetlink_bind+0x60/0x60 [ 1078.100150][ T2972] rtnetlink_rcv+0x1c/0x20 [ 1078.104653][ T2972] netlink_unicast+0x589/0x650 [ 1078.109537][ T2972] netlink_sendmsg+0x66e/0x770 [ 1078.114321][ T2972] ? netlink_getsockopt+0x3e0/0x3e0 [ 1078.119519][ T2972] ____sys_sendmsg+0x37c/0x4d0 [ 1078.124370][ T2972] __sys_sendmsg+0x1e9/0x270 [ 1078.129024][ T2972] __x64_sys_sendmsg+0x46/0x50 [ 1078.133853][ T2972] do_syscall_64+0x44/0x110 [ 1078.138349][ T2972] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1078.144278][ T2972] RIP: 0033:0x7f7033abcae9 [ 1078.148721][ T2972] 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 [ 1078.168322][ T2972] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1078.176726][ T2972] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1078.184688][ T2972] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1078.192721][ T2972] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1078.200693][ T2972] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1078.208661][ T2972] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1078.216621][ T2972] 12:34:59 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="00e2d2a820ff22e148a09e60ea2c7852050934060000e100000000a2863dd9fff061c113000006bb71bf3812bc409f110e17cadc385f1fef2abb3000080000130200974bfeed6dcef074724149ece382587acd601a5066b245a6699f5e8ef4155052cb6bfb717365f99446be13e2809a6ea3492bc9706ca13bb95e90313b2c06c4c57b121699d0b8d04c218ffabc74e1fd758e09e71321ff40245b0f3881f566932544ac52aa74018e0019bcbae352c1a573ba855ce87214b6131176608b7486e554794a0183388788b04d44551f546cd2b382de9bbb554b052e82364f9aea2e2dd869510f7efc6fac0f8fa7c990256bf994c37e46435e00d6f3573ba08213a88fb061d2d2c9615254a6ae7e768068a0624c3d0e206a8b1c22c9ca1e565f4c288bffd9438f77a1"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r2, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) pwrite64(r2, &(0x7f0000000280)="4c4cac7f331d3c0215475d750a8498162166a0d79e9d514857c5f59eb676a8b877abdc87175e3886e0edd3d0d7694b11be884ecaf9012a108be89a80e85b8b4a14fc773396c25eb40bde95da1c11b81e4a9f4d33ba56716234c6c560d3557ea1c1b53d6fd9205eb2b84a2dbc4cc05924c0b851bc2efac7c06089befe4b48ac38aefca9c587e85acd2f9c7f9f5b3ed6d48c9d0cd8701d8cdd80eb4fc2f2a27a2fc24b9aeeda5adbbedd11dda854e99484a40c6beae2b161c5917a592018a7815635c1e95388ab1eeee5ebda69bcf77cc5ad23fa70e5666f4705d4c9d5eec929fc8361cac4148599ef6f480de0726ae50c13cdce0ab5", 0xf5, 0x8) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r1, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r4, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (async) ioctl$EVIOCSKEYCODE_V2(r2, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) pwrite64(r2, &(0x7f0000000280)="4c4cac7f331d3c0215475d750a8498162166a0d79e9d514857c5f59eb676a8b877abdc87175e3886e0edd3d0d7694b11be884ecaf9012a108be89a80e85b8b4a14fc773396c25eb40bde95da1c11b81e4a9f4d33ba56716234c6c560d3557ea1c1b53d6fd9205eb2b84a2dbc4cc05924c0b851bc2efac7c06089befe4b48ac38aefca9c587e85acd2f9c7f9f5b3ed6d48c9d0cd8701d8cdd80eb4fc2f2a27a2fc24b9aeeda5adbbedd11dda854e99484a40c6beae2b161c5917a592018a7815635c1e95388ab1eeee5ebda69bcf77cc5ad23fa70e5666f4705d4c9d5eec929fc8361cac4148599ef6f480de0726ae50c13cdce0ab5", 0xf5, 0x8) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r3, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r4, 0x0, 0x80001d00c0d0) (async) 12:34:59 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000040)={'veth1_to_bridge\x00', @remote}) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async, rerun: 64) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async, rerun: 64) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) r5 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r6 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r6, r5, 0x0, 0xf6c1) (async, rerun: 64) ioctl$sock_inet6_tcp_SIOCATMARK(r6, 0x8905, &(0x7f0000000480)) (async, rerun: 64) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r7 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r7}, 0x10) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r9 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r10 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r10, r9, 0x0, 0xf6c1) (async) ioctl$TUNSETIFF(r9, 0x400454ca, &(0x7f0000000780)={'vlan0\x00', 0x100}) r11 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xf, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x2, &(0x7f00000004c0)=""/2, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x106, 0x7fff, 0x3}, 0x10, 0x0, r7, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r11], &(0x7f0000001840)=[{0x4, 0x2, 0x10, 0x8}, {0x4, 0x2, 0x7, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x0, 0x2, 0x2, 0x3}, {0x1, 0x3, 0x1, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r12 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r12, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async, rerun: 64) execve(&(0x7f0000000580)='./bus\x00', &(0x7f0000000640)=[&(0x7f00000005c0)='\x00', &(0x7f0000000600)='syzkaller1\x00'], &(0x7f0000000740)=[&(0x7f0000000680)='\\\x00', &(0x7f00000006c0)='/dev/net/tun\x00', &(0x7f0000000700)='%*\'\x00']) (rerun: 64) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1078.219755][ T2972] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1078.235782][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1078.244906][ T2980] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1078.254230][ T2980] CPU: 1 PID: 2980 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1078.264242][ T2980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1078.274322][ T2980] Call Trace: [ 1078.277594][ T2980] [ 1078.280583][ T2980] dump_stack_lvl+0xda/0x130 [ 1078.285225][ T2980] dump_stack+0x15/0x20 [ 1078.289393][ T2980] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1078.294582][ T2980] kobject_add_internal+0x3eb/0x730 [ 1078.299777][ T2980] kobject_add+0xdc/0x150 [ 1078.304097][ T2980] ? kobject_get+0x95/0xc0 [ 1078.308501][ T2980] ? kobject_put+0xd8/0x160 [ 1078.313037][ T2980] ? device_add+0x2ea/0x8b0 [ 1078.317633][ T2980] device_add+0x2f8/0x8b0 [ 1078.322030][ T2980] netdev_register_kobject+0xfc/0x230 [ 1078.327413][ T2980] register_netdevice+0x65b/0xb20 [ 1078.332509][ T2980] ip6_tnl_create2+0x87/0x210 [ 1078.337309][ T2980] ip6_tnl_newlink+0x2bf/0x460 [ 1078.342074][ T2980] ? ip6_tnl_validate+0x80/0x80 [ 1078.346979][ T2980] rtnl_newlink+0xee5/0x1670 [ 1078.351639][ T2980] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1078.356963][ T2980] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1078.363206][ T2980] ? _raw_spin_unlock+0x26/0x40 [ 1078.368123][ T2980] ? __mutex_lock+0x21c/0x8d0 [ 1078.372870][ T2980] ? rtnl_setlink+0x300/0x300 [ 1078.377567][ T2980] rtnetlink_rcv_msg+0x807/0x8c0 [ 1078.382541][ T2980] ? kmem_cache_free+0x1d9/0x380 [ 1078.387583][ T2980] ? __kfree_skb+0x104/0x140 [ 1078.392172][ T2980] ? nlmon_xmit+0x4b/0x60 [ 1078.396508][ T2980] ? __kfree_skb+0x104/0x140 [ 1078.401096][ T2980] ? consume_skb+0x57/0x180 [ 1078.405617][ T2980] ? nlmon_xmit+0x4b/0x60 [ 1078.410000][ T2980] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1078.415318][ T2980] ? __dev_queue_xmit+0xaae/0x1d80 [ 1078.420424][ T2980] ? ref_tracker_free+0x3a1/0x400 [ 1078.425442][ T2980] netlink_rcv_skb+0x126/0x220 [ 1078.430289][ T2980] ? rtnetlink_bind+0x60/0x60 [ 1078.434968][ T2980] rtnetlink_rcv+0x1c/0x20 [ 1078.439383][ T2980] netlink_unicast+0x589/0x650 [ 1078.444166][ T2980] netlink_sendmsg+0x66e/0x770 [ 1078.449061][ T2980] ? netlink_getsockopt+0x3e0/0x3e0 [ 1078.454256][ T2980] ____sys_sendmsg+0x37c/0x4d0 [ 1078.459026][ T2980] __sys_sendmsg+0x1e9/0x270 [ 1078.463705][ T2980] __x64_sys_sendmsg+0x46/0x50 [ 1078.468457][ T2980] do_syscall_64+0x44/0x110 [ 1078.472988][ T2980] ? syscall_exit_to_user_mode+0x38/0x140 [ 1078.478749][ T2980] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1078.484799][ T2980] RIP: 0033:0x7fd903c48ae9 [ 1078.489203][ T2980] 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 [ 1078.508804][ T2980] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1078.517229][ T2980] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 12:34:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xa2, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1078.525191][ T2980] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1078.533185][ T2980] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1078.541224][ T2980] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1078.549184][ T2980] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1078.557212][ T2980] [ 1078.560315][ T2980] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:00 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) r6 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r8], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) r9 = pidfd_getfd(r7, r6, 0x0) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r10, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000080)={0x44, r11, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xf}, {0x6}}]}, 0x44}}, 0x0) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r9, &(0x7f0000001c80)={&(0x7f0000001a40)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000001c40)={&(0x7f0000001a80)={0x184, r11, 0x0, 0x70bd25, 0x25dfdbfe, {}, [{@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}]}, 0x184}, 0x1, 0x0, 0x0, 0x4000004}, 0x20000000) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00', 0x0}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r13 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) ioctl$sock_ipv6_tunnel_SIOCGET6RD(r8, 0x89f8, &(0x7f0000001600)={'gre0\x00', &(0x7f0000001580)={'gre0\x00', r12, 0x80, 0x20, 0x1, 0x4, {{0xa, 0x4, 0x3, 0x4, 0x28, 0x67, 0x0, 0x0, 0x4, 0x0, @remote, @initdev={0xac, 0x1e, 0x0, 0x0}, {[@ssrr={0x89, 0x13, 0x8, [@initdev={0xac, 0x1e, 0x1, 0x0}, @empty, @dev={0xac, 0x14, 0x14, 0x32}, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @noop]}}}}}) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001980)={0x11, 0x5, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0xfff}, [@call={0x85, 0x0, 0x0, 0xa5}, @func={0x85, 0x0, 0x1, 0x0, 0x2}]}, &(0x7f0000000480)='GPL\x00', 0x1f, 0x1000, &(0x7f0000000580)=""/4096, 0x40e00, 0x62, '\x00', r14, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000001640)={0x1, 0xc, 0x101, 0xbeb}, 0x10, 0x0, 0x0, 0x3, &(0x7f0000001680)=[r8, r8, r8], &(0x7f0000001740)=[{0x1, 0x4, 0x10, 0x1}, {0x2, 0x4, 0x8, 0x1}, {0x5, 0x4, 0x9, 0x5}], 0x10, 0x2}, 0x90) 12:35:00 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x276, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1078.582301][ T2989] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1078.584512][ T2991] loop2: detected capacity change from 0 to 512 [ 1078.591454][ T2989] CPU: 0 PID: 2989 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1078.607620][ T2989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1078.617671][ T2989] Call Trace: [ 1078.620967][ T2989] [ 1078.623928][ T2989] dump_stack_lvl+0xda/0x130 [ 1078.628525][ T2989] dump_stack+0x15/0x20 [ 1078.632676][ T2989] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1078.637789][ T2989] kobject_add_internal+0x3eb/0x730 [ 1078.642979][ T2989] kobject_add+0xdc/0x150 [ 1078.647368][ T2989] ? kobject_get+0x95/0xc0 [ 1078.651772][ T2989] ? kobject_put+0xd8/0x160 [ 1078.656262][ T2989] ? device_add+0x2ea/0x8b0 [ 1078.660841][ T2989] device_add+0x2f8/0x8b0 [ 1078.665248][ T2989] netdev_register_kobject+0xfc/0x230 [ 1078.670647][ T2989] register_netdevice+0x65b/0xb20 [ 1078.675725][ T2989] ip6_tnl_create2+0x87/0x210 [ 1078.680391][ T2989] ip6_tnl_newlink+0x2bf/0x460 [ 1078.685180][ T2989] ? ip6_tnl_validate+0x80/0x80 [ 1078.690028][ T2989] rtnl_newlink+0xee5/0x1670 [ 1078.694619][ T2989] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1078.699903][ T2989] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1078.706137][ T2989] ? _raw_spin_unlock+0x26/0x40 [ 1078.711073][ T2989] ? __mutex_lock+0x21c/0x8d0 [ 1078.715744][ T2989] ? rtnl_setlink+0x300/0x300 [ 1078.720417][ T2989] rtnetlink_rcv_msg+0x807/0x8c0 [ 1078.725430][ T2989] ? chacha_permute+0x4e8/0x510 [ 1078.730289][ T2989] ? chacha_permute+0x4e8/0x510 [ 1078.735158][ T2989] ? __rcu_read_unlock+0x4d/0x70 [ 1078.740155][ T2989] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1078.745568][ T2989] netlink_rcv_skb+0x126/0x220 [ 1078.750533][ T2989] ? rtnetlink_bind+0x60/0x60 [ 1078.755250][ T2989] rtnetlink_rcv+0x1c/0x20 [ 1078.759675][ T2989] netlink_unicast+0x589/0x650 [ 1078.764660][ T2989] netlink_sendmsg+0x66e/0x770 [ 1078.769422][ T2989] ? netlink_getsockopt+0x3e0/0x3e0 [ 1078.774645][ T2989] ____sys_sendmsg+0x37c/0x4d0 [ 1078.779412][ T2989] __sys_sendmsg+0x1e9/0x270 [ 1078.783999][ T2989] __x64_sys_sendmsg+0x46/0x50 [ 1078.788752][ T2989] do_syscall_64+0x44/0x110 [ 1078.793246][ T2989] ? syscall_exit_to_user_mode+0x38/0x140 [ 1078.798971][ T2989] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1078.804925][ T2989] RIP: 0033:0x7f7033abcae9 [ 1078.809401][ T2989] 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 [ 1078.829056][ T2989] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1078.837457][ T2989] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1078.845416][ T2989] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1078.853374][ T2989] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1078.861388][ T2989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1078.869346][ T2989] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1078.877309][ T2989] [ 1078.880446][ T2989] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1078.913000][ T2998] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1078.922169][ T2998] CPU: 1 PID: 2998 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1078.932150][ T2998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1078.942203][ T2998] Call Trace: [ 1078.945482][ T2998] [ 1078.948466][ T2998] dump_stack_lvl+0xda/0x130 [ 1078.953088][ T2998] dump_stack+0x15/0x20 [ 1078.957310][ T2998] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1078.962471][ T2998] kobject_add_internal+0x3eb/0x730 [ 1078.967728][ T2998] kobject_add+0xdc/0x150 [ 1078.972058][ T2998] ? kobject_get+0x95/0xc0 [ 1078.976527][ T2998] ? kobject_put+0xd8/0x160 [ 1078.981022][ T2998] ? device_add+0x2ea/0x8b0 [ 1078.985524][ T2998] device_add+0x2f8/0x8b0 [ 1078.989847][ T2998] netdev_register_kobject+0xfc/0x230 [ 1078.995222][ T2998] register_netdevice+0x65b/0xb20 [ 1079.000330][ T2998] ip6_tnl_create2+0x87/0x210 [ 1079.005064][ T2998] ip6_tnl_newlink+0x2bf/0x460 [ 1079.009826][ T2998] ? ip6_tnl_validate+0x80/0x80 [ 1079.014714][ T2998] rtnl_newlink+0xee5/0x1670 [ 1079.019315][ T2998] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1079.024657][ T2998] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1079.030973][ T2998] ? _raw_spin_unlock+0x26/0x40 [ 1079.035840][ T2998] ? __mutex_lock+0x21c/0x8d0 [ 1079.040510][ T2998] ? rtnl_setlink+0x300/0x300 [ 1079.045183][ T2998] rtnetlink_rcv_msg+0x807/0x8c0 [ 1079.050188][ T2998] ? kmem_cache_free+0x1d9/0x380 [ 1079.055157][ T2998] ? __kfree_skb+0x104/0x140 [ 1079.059742][ T2998] ? nlmon_xmit+0x4b/0x60 [ 1079.064139][ T2998] ? __kfree_skb+0x104/0x140 [ 1079.068772][ T2998] ? consume_skb+0x57/0x180 [ 1079.073271][ T2998] ? nlmon_xmit+0x4b/0x60 [ 1079.077596][ T2998] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1079.082872][ T2998] ? __dev_queue_xmit+0xaae/0x1d80 [ 1079.087980][ T2998] ? ref_tracker_free+0x3a1/0x400 [ 1079.093054][ T2998] netlink_rcv_skb+0x126/0x220 [ 1079.097934][ T2998] ? rtnetlink_bind+0x60/0x60 [ 1079.102609][ T2998] rtnetlink_rcv+0x1c/0x20 [ 1079.107097][ T2998] netlink_unicast+0x589/0x650 [ 1079.111880][ T2998] netlink_sendmsg+0x66e/0x770 [ 1079.116640][ T2998] ? netlink_getsockopt+0x3e0/0x3e0 [ 1079.121833][ T2998] ____sys_sendmsg+0x37c/0x4d0 [ 1079.126613][ T2998] __sys_sendmsg+0x1e9/0x270 [ 1079.131199][ T2998] __x64_sys_sendmsg+0x46/0x50 [ 1079.136023][ T2998] do_syscall_64+0x44/0x110 [ 1079.140515][ T2998] ? syscall_exit_to_user_mode+0x38/0x140 [ 1079.146258][ T2998] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1079.152198][ T2998] RIP: 0033:0x7fd903c48ae9 [ 1079.156626][ T2998] 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 [ 1079.176227][ T2998] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1079.184663][ T2998] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1079.192645][ T2998] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1079.200603][ T2998] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1079.208634][ T2998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1079.216592][ T2998] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1079.224554][ T2998] 12:35:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xa5, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:00 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x278, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1079.227731][ T2998] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1079.246290][ T3000] loop3: detected capacity change from 0 to 512 [ 1079.265212][ T2991] EXT4-fs warning (device loop2): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop2. [ 1079.277708][ T2996] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1079.286900][ T2996] CPU: 0 PID: 2996 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1079.289456][ T3000] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1079.296887][ T2996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1079.296900][ T2996] Call Trace: [ 1079.296907][ T2996] [ 1079.296914][ T2996] dump_stack_lvl+0xda/0x130 [ 1079.310448][ T3000] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1463/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1079.319350][ T2996] dump_stack+0x15/0x20 [ 1079.319376][ T2996] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1079.354437][ T2996] kobject_add_internal+0x3eb/0x730 [ 1079.359681][ T2996] kobject_add+0xdc/0x150 [ 1079.364065][ T2996] ? kobject_get+0x95/0xc0 [ 1079.368501][ T2996] ? kobject_put+0xd8/0x160 [ 1079.372992][ T2996] ? device_add+0x2ea/0x8b0 [ 1079.377559][ T2996] device_add+0x2f8/0x8b0 [ 1079.381903][ T2996] netdev_register_kobject+0xfc/0x230 [ 1079.387276][ T2996] register_netdevice+0x65b/0xb20 [ 1079.392366][ T2996] ip6_tnl_create2+0x87/0x210 [ 1079.397035][ T2996] ip6_tnl_newlink+0x2bf/0x460 [ 1079.401800][ T2996] ? ip6_tnl_validate+0x80/0x80 [ 1079.406741][ T2996] rtnl_newlink+0xee5/0x1670 [ 1079.411328][ T2996] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1079.416647][ T2996] ? rtnl_newlink+0x2b1/0x1670 [ 1079.421479][ T2996] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1079.427723][ T2996] ? _raw_spin_unlock+0x26/0x40 [ 1079.432634][ T2996] ? __mutex_lock+0x21c/0x8d0 [ 1079.437304][ T2996] ? rtnl_setlink+0x300/0x300 [ 1079.442071][ T2996] rtnetlink_rcv_msg+0x807/0x8c0 [ 1079.447011][ T2996] ? kmem_cache_free+0x1d9/0x380 [ 1079.451984][ T2996] ? __kfree_skb+0x104/0x140 [ 1079.456581][ T2996] ? nlmon_xmit+0x4b/0x60 [ 1079.460903][ T2996] ? __kfree_skb+0x104/0x140 [ 1079.465635][ T2996] ? consume_skb+0x57/0x180 [ 1079.470137][ T2996] ? nlmon_xmit+0x4b/0x60 [ 1079.474457][ T2996] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1079.479741][ T2996] ? __dev_queue_xmit+0xaae/0x1d80 [ 1079.484845][ T2996] ? ref_tracker_free+0x3a1/0x400 [ 1079.489863][ T2996] netlink_rcv_skb+0x126/0x220 [ 1079.494681][ T2996] ? rtnetlink_bind+0x60/0x60 [ 1079.499421][ T2996] rtnetlink_rcv+0x1c/0x20 [ 1079.503932][ T2996] netlink_unicast+0x589/0x650 [ 1079.508716][ T2996] netlink_sendmsg+0x66e/0x770 [ 1079.513526][ T2996] ? netlink_getsockopt+0x3e0/0x3e0 [ 1079.518794][ T2996] ____sys_sendmsg+0x37c/0x4d0 [ 1079.523550][ T2996] __sys_sendmsg+0x1e9/0x270 [ 1079.528192][ T2996] __x64_sys_sendmsg+0x46/0x50 [ 1079.532945][ T2996] do_syscall_64+0x44/0x110 [ 1079.537443][ T2996] ? syscall_exit_to_user_mode+0x38/0x140 [ 1079.543213][ T2996] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1079.549105][ T2996] RIP: 0033:0x7f7bcc9aeae9 [ 1079.553549][ T2996] 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 [ 1079.573159][ T2996] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1079.581612][ T2996] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1079.589623][ T2996] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1079.597584][ T2996] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1079.605546][ T2996] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1079.613505][ T2996] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1079.621467][ T2996] [ 1079.624536][ T2996] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1079.644058][ T3007] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1079.653271][ T3007] CPU: 1 PID: 3007 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1079.663370][ T3007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1079.673465][ T3007] Call Trace: [ 1079.676746][ T3007] [ 1079.679677][ T3007] dump_stack_lvl+0xda/0x130 [ 1079.684272][ T3007] dump_stack+0x15/0x20 [ 1079.688496][ T3007] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1079.693613][ T3007] kobject_add_internal+0x3eb/0x730 [ 1079.698825][ T3007] kobject_add+0xdc/0x150 [ 1079.703231][ T3007] ? kobject_get+0x95/0xc0 [ 1079.707653][ T3007] ? kobject_put+0xd8/0x160 [ 1079.712167][ T3007] ? device_add+0x2ea/0x8b0 [ 1079.716689][ T3007] device_add+0x2f8/0x8b0 [ 1079.721081][ T3007] netdev_register_kobject+0xfc/0x230 [ 1079.726684][ T3007] register_netdevice+0x65b/0xb20 [ 1079.731777][ T3007] ip6_tnl_create2+0x87/0x210 12:35:01 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="00e2d2a820ff22e148a09e60ea2c7852050934060000e100000000a2fbdbd9fff061c113000006bb71bf3812bc409f110e17cadc385f1fef2abb3000080000130200974bfeed6dcef074724149ece382587a66b245a6509f5e8ef4155052cb6bfb717365f99446be13e2809a6ea3492bc9706c6c164de8a3756ea306c4c57b121699d0b8d04c218ffabc74e1fd758e09e71321ff40245b0f3881f566932544ac52aa74018e0019bcbae352c1a573ba855ce87214b6131176608b7486e554794a0183388788b04d44551f546cd2b382de9bbb554b052e82364f9aea2e2dd869510f7efc6fac0f8fa7c990256bf994c37e46435e00d6f3573ba08213a88fb061d2d2c9615254a6ae7e768068a0624c3d0e206a8b1c22c9ca1e565f4c288bffd9438f77a1"], 0x1, 0x4e2, &(0x7f0000000b80)="$eJzs3c9vG1kdAPDvTOImm81usrASPwRsWRYKqmon7m602tNyAaHVSogVJw7ZkLhRFDuOYmdpQiXS/wGJSpzgT+CAxAGpJ+7c4MalHJAKVKAGiYPRjCdpSOMkbRMb7M9HGs28eeP5vldr3nO/SfwCGFlXI2IvIq5ExMcRMVOcT4ot3u9u2XWPH91Z3n90ZzmJTuejvyV5fXYujrwm83Jxz8mI+N63I36YPB23tbO7vlSv17aKcqXd2Ky0dnZvrDWWVmurtY1qdWF+Ye7dm+9UL6yvbzR+9fBbax98/7e/+eKD3+9948dZs6aLuqP9uEjdrpcO42TGI+KDywg2AGNFf64MuiE8lzQiPhURb+bP/0yM5e/m+ZzwWAMA/wc6nZnozBwtAwDDLs1zYElaLnIB05Gm5XI3h/d6TKX1Zqt9/VZze2OlmyubjVJ6a61emytyhbNRSrLyfH78pFw9Vr4ZEa9FxE8nXsrL5eXz5xkAgIv18rH5/58T3fkfABhyk2ddsNifdgAA/XPm/A8ADB3zPwCMHvM/AIwe8z8AjB7zPwCMnmL+Hxt0OwCAvvjuhx9mW2e/+P7rlU92ttebn9xYqbXWy43t5fJyc2uzvNpsrtZr5eVm46z71ZvNzfm3Y/t2pV1rtSutnd3FRnN7o72Yf6/3Yq3Ul14BAKd57Y37f0wiYu+9l/ItjqzlYK6G4ZYOugHAwMj5w+jyLdwwuvwfHzhrLc+evyJ87zmCdX7yHC8CLtq1z8n/w6iS/4fRJf8Po0v+H0ZXp5P0WvM/PbwEABgqcvxAX3/+DwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAENiOt+StFysBT4daVouR7wSEbNRSm6t1WtzEfFqRPxhojSRlecH3WgA4AWlf0mK9b+uzbw1fbz2SvKviXwfET/6+Uc/u73Ubm/NZ+f/fni+fa84Xx1E+wGAsxzM0wfz+IHHj+4sH2z9bM/Db3YXF83i7hdbt2Y8xvP9ZJQiYuofSVHuyj6vjF1A/L27EfHZk/qf5LmR2WLl0+Pxs9iv9DV++l/x07yuu8/+LT79DDHPWusVRsX9bPx5/6TnL42r+X7yxMWPJ/MR6sUdjH/7T41/6eH4N9Zj/Lt63hhv/+47PevuRnx+/KT4yWH8pEf8t84Z/09f+NKbveo6v4i4FifHPxqr0m5sVlo7uzfWGkurtdXaRrW6ML8w9+7Nd6qVPEddOchUP+2v711/9bT+T/WIP3lG/796aq87EwdHv/z3xz/48inxv/6Vk9//10+Jn82JXzs1/hNLU7/uuXx3Fn+l2/+7z/r+Xz9n/Ad/3l0556UAQB+0dnbXl+r12taFHpTigm945CC5pDY7GPKD7PP4i97nM0XK7H+gO5d9MOiRCbhsTx76QbcEAAAAAAAAAAAAAADo5dL/nCgddA8BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYZv8JAAD//wqryik=") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async, rerun: 32) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (rerun: 32) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) (async) lseek(r3, 0x20400, 0x0) (async, rerun: 32) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 32) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1079.736539][ T3007] ip6_tnl_newlink+0x2bf/0x460 [ 1079.741380][ T3007] ? ip6_tnl_validate+0x80/0x80 [ 1079.746231][ T3024] loop4: detected capacity change from 0 to 512 [ 1079.752504][ T3007] rtnl_newlink+0xee5/0x1670 [ 1079.757089][ T3007] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1079.757949][ T3024] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1079.762445][ T3007] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1079.775179][ T3024] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1432/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1079.781050][ T3007] ? _raw_spin_unlock+0x26/0x40 [ 1079.800763][ T3007] ? __mutex_lock+0x21c/0x8d0 [ 1079.805447][ T3007] ? rtnl_setlink+0x300/0x300 [ 1079.810110][ T3007] rtnetlink_rcv_msg+0x807/0x8c0 [ 1079.815116][ T3007] ? kmem_cache_free+0x1d9/0x380 [ 1079.820058][ T3007] ? __kfree_skb+0x104/0x140 [ 1079.824719][ T3007] ? nlmon_xmit+0x4b/0x60 [ 1079.829048][ T3007] ? __kfree_skb+0x104/0x140 [ 1079.833695][ T3007] ? consume_skb+0x57/0x180 [ 1079.838210][ T3007] ? nlmon_xmit+0x4b/0x60 [ 1079.842519][ T3007] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1079.847785][ T3007] ? __dev_queue_xmit+0xaae/0x1d80 [ 1079.852945][ T3007] ? ref_tracker_free+0x3a1/0x400 [ 1079.857966][ T3007] netlink_rcv_skb+0x126/0x220 [ 1079.862818][ T3007] ? rtnetlink_bind+0x60/0x60 [ 1079.867491][ T3007] rtnetlink_rcv+0x1c/0x20 [ 1079.871913][ T3007] netlink_unicast+0x589/0x650 [ 1079.876684][ T3007] netlink_sendmsg+0x66e/0x770 [ 1079.881475][ T3007] ? netlink_getsockopt+0x3e0/0x3e0 [ 1079.886757][ T3007] ____sys_sendmsg+0x37c/0x4d0 [ 1079.891520][ T3007] __sys_sendmsg+0x1e9/0x270 [ 1079.896131][ T3007] __x64_sys_sendmsg+0x46/0x50 [ 1079.900877][ T3007] do_syscall_64+0x44/0x110 [ 1079.905360][ T3007] ? syscall_exit_to_user_mode+0x38/0x140 [ 1079.911082][ T3007] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1079.917039][ T3007] RIP: 0033:0x7fd903c48ae9 [ 1079.921446][ T3007] 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 [ 1079.941036][ T3007] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1079.949508][ T3007] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1079.957465][ T3007] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1079.965479][ T3007] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1079.973430][ T3007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:01 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) syz_open_dev$loop(&(0x7f0000000000), 0x6, 0x800b00) ftruncate(r0, 0x9) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) mlock2(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 12:35:01 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/295], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1079.981388][ T3007] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1079.989344][ T3007] [ 1079.992750][ T3007] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1080.019536][ T3012] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1080.028705][ T3012] CPU: 1 PID: 3012 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 12:35:01 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x280, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1080.038699][ T3012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1080.048847][ T3012] Call Trace: [ 1080.052186][ T3012] [ 1080.055100][ T3012] dump_stack_lvl+0xda/0x130 [ 1080.059676][ T3012] dump_stack+0x15/0x20 [ 1080.063821][ T3012] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1080.068916][ T3012] kobject_add_internal+0x3eb/0x730 [ 1080.074100][ T3012] kobject_add+0xdc/0x150 [ 1080.078408][ T3012] ? kobject_get+0x95/0xc0 [ 1080.082803][ T3012] ? kobject_put+0xd8/0x160 [ 1080.087288][ T3012] ? device_add+0x2ea/0x8b0 [ 1080.091780][ T3012] device_add+0x2f8/0x8b0 [ 1080.096219][ T3012] netdev_register_kobject+0xfc/0x230 [ 1080.101589][ T3012] register_netdevice+0x65b/0xb20 [ 1080.106611][ T3012] ip6_tnl_create2+0x87/0x210 [ 1080.111310][ T3012] ip6_tnl_newlink+0x2bf/0x460 [ 1080.116111][ T3012] ? ip6_tnl_validate+0x80/0x80 [ 1080.120977][ T3012] rtnl_newlink+0xee5/0x1670 [ 1080.125605][ T3012] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1080.130951][ T3012] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1080.137200][ T3012] ? _raw_spin_unlock+0x26/0x40 [ 1080.142080][ T3012] ? __mutex_lock+0x21c/0x8d0 [ 1080.146738][ T3012] ? rtnl_setlink+0x300/0x300 [ 1080.151422][ T3012] rtnetlink_rcv_msg+0x807/0x8c0 [ 1080.156513][ T3012] ? __rcu_read_unlock+0x4d/0x70 [ 1080.161490][ T3012] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1080.166922][ T3012] netlink_rcv_skb+0x126/0x220 [ 1080.171681][ T3012] ? rtnetlink_bind+0x60/0x60 [ 1080.176353][ T3012] rtnetlink_rcv+0x1c/0x20 [ 1080.180755][ T3012] netlink_unicast+0x589/0x650 [ 1080.185505][ T3012] netlink_sendmsg+0x66e/0x770 [ 1080.190276][ T3012] ? netlink_getsockopt+0x3e0/0x3e0 [ 1080.195739][ T3012] ____sys_sendmsg+0x37c/0x4d0 [ 1080.200604][ T3012] __sys_sendmsg+0x1e9/0x270 [ 1080.205178][ T3012] __x64_sys_sendmsg+0x46/0x50 [ 1080.209966][ T3012] do_syscall_64+0x44/0x110 [ 1080.214545][ T3012] ? syscall_exit_to_user_mode+0x38/0x140 [ 1080.220260][ T3012] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1080.226229][ T3012] RIP: 0033:0x7f7033abcae9 [ 1080.230726][ T3012] 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 [ 1080.250340][ T3012] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1080.258733][ T3012] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1080.266695][ T3012] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1080.274647][ T3012] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 12:35:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xaa, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1080.282690][ T3012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1080.290723][ T3012] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1080.298741][ T3012] [ 1080.301906][ T3012] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1080.305410][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1080.326900][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1080.340062][ T3032] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1080.349230][ T3032] CPU: 0 PID: 3032 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1080.359291][ T3032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1080.361506][ T3036] loop3: detected capacity change from 0 to 512 [ 1080.369408][ T3032] Call Trace: [ 1080.369416][ T3032] [ 1080.369423][ T3032] dump_stack_lvl+0xda/0x130 [ 1080.369449][ T3032] dump_stack+0x15/0x20 [ 1080.390612][ T3032] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1080.394909][ T3036] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1464/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1080.395782][ T3032] kobject_add_internal+0x3eb/0x730 [ 1080.415804][ T3032] kobject_add+0xdc/0x150 [ 1080.420142][ T3032] ? kobject_get+0x95/0xc0 [ 1080.424561][ T3032] ? kobject_put+0xd8/0x160 [ 1080.429075][ T3032] ? device_add+0x2ea/0x8b0 [ 1080.433584][ T3032] device_add+0x2f8/0x8b0 [ 1080.437900][ T3032] netdev_register_kobject+0xfc/0x230 [ 1080.443272][ T3032] register_netdevice+0x65b/0xb20 [ 1080.448315][ T3032] ip6_tnl_create2+0x87/0x210 [ 1080.452983][ T3032] ip6_tnl_newlink+0x2bf/0x460 [ 1080.457745][ T3032] ? ip6_tnl_validate+0x80/0x80 [ 1080.462585][ T3032] rtnl_newlink+0xee5/0x1670 [ 1080.467199][ T3032] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1080.472513][ T3032] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1080.478740][ T3032] ? _raw_spin_unlock+0x26/0x40 [ 1080.483575][ T3032] ? __mutex_lock+0x21c/0x8d0 [ 1080.488264][ T3032] ? rtnl_setlink+0x300/0x300 [ 1080.492982][ T3032] rtnetlink_rcv_msg+0x807/0x8c0 [ 1080.497915][ T3032] ? kmem_cache_free+0x1d9/0x380 [ 1080.502844][ T3032] ? __kfree_skb+0x104/0x140 [ 1080.507475][ T3032] ? nlmon_xmit+0x4b/0x60 [ 1080.511785][ T3032] ? __kfree_skb+0x104/0x140 [ 1080.516398][ T3032] ? consume_skb+0x57/0x180 [ 1080.520938][ T3032] ? nlmon_xmit+0x4b/0x60 [ 1080.525308][ T3032] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1080.530661][ T3032] ? __dev_queue_xmit+0xaae/0x1d80 [ 1080.535810][ T3032] ? ref_tracker_free+0x3a1/0x400 [ 1080.540819][ T3032] netlink_rcv_skb+0x126/0x220 [ 1080.545602][ T3032] ? rtnetlink_bind+0x60/0x60 [ 1080.550272][ T3032] rtnetlink_rcv+0x1c/0x20 [ 1080.554720][ T3032] netlink_unicast+0x589/0x650 [ 1080.559532][ T3032] netlink_sendmsg+0x66e/0x770 [ 1080.564355][ T3032] ? netlink_getsockopt+0x3e0/0x3e0 [ 1080.569605][ T3032] ____sys_sendmsg+0x37c/0x4d0 [ 1080.574422][ T3032] __sys_sendmsg+0x1e9/0x270 [ 1080.579013][ T3032] ? wake_up_q+0x3f/0x70 [ 1080.583298][ T3032] __x64_sys_sendmsg+0x46/0x50 [ 1080.588061][ T3032] do_syscall_64+0x44/0x110 [ 1080.592546][ T3032] ? syscall_exit_to_user_mode+0x38/0x140 [ 1080.598299][ T3032] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1080.604229][ T3032] RIP: 0033:0x7fd903c48ae9 [ 1080.608672][ T3032] 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 [ 1080.628260][ T3032] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 12:35:02 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async, rerun: 32) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 32) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async, rerun: 64) syz_open_dev$loop(&(0x7f0000000000), 0x6, 0x800b00) (async, rerun: 64) ftruncate(r0, 0x9) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) mlock2(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1080.636735][ T3032] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1080.644700][ T3032] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1080.652666][ T3032] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1080.660693][ T3032] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1080.668655][ T3032] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1080.676693][ T3032] 12:35:02 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x2aa, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1080.679754][ T3032] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1080.697119][ T3037] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1080.706440][ T3037] CPU: 1 PID: 3037 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1080.716477][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1080.726540][ T3037] Call Trace: [ 1080.729814][ T3037] [ 1080.732727][ T3037] dump_stack_lvl+0xda/0x130 [ 1080.737360][ T3037] dump_stack+0x15/0x20 [ 1080.741742][ T3037] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1080.746941][ T3037] kobject_add_internal+0x3eb/0x730 [ 1080.752164][ T3037] kobject_add+0xdc/0x150 [ 1080.756478][ T3037] ? kobject_get+0x95/0xc0 [ 1080.760935][ T3037] ? kobject_put+0xd8/0x160 [ 1080.765418][ T3037] ? device_add+0x2ea/0x8b0 [ 1080.769907][ T3037] device_add+0x2f8/0x8b0 [ 1080.774327][ T3037] netdev_register_kobject+0xfc/0x230 [ 1080.779694][ T3037] register_netdevice+0x65b/0xb20 [ 1080.784773][ T3037] ip6_tnl_create2+0x87/0x210 [ 1080.789443][ T3037] ip6_tnl_newlink+0x2bf/0x460 [ 1080.794216][ T3037] ? ip6_tnl_validate+0x80/0x80 [ 1080.799136][ T3037] rtnl_newlink+0xee5/0x1670 [ 1080.803734][ T3037] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1080.809011][ T3037] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1080.815244][ T3037] ? _raw_spin_unlock+0x26/0x40 [ 1080.820133][ T3037] ? __mutex_lock+0x21c/0x8d0 [ 1080.824795][ T3037] ? rtnl_setlink+0x300/0x300 [ 1080.829457][ T3037] rtnetlink_rcv_msg+0x807/0x8c0 [ 1080.834447][ T3037] ? __rcu_read_unlock+0x4d/0x70 [ 1080.839436][ T3037] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1080.844810][ T3037] netlink_rcv_skb+0x126/0x220 [ 1080.849649][ T3037] ? rtnetlink_bind+0x60/0x60 [ 1080.854364][ T3037] rtnetlink_rcv+0x1c/0x20 [ 1080.858775][ T3037] netlink_unicast+0x589/0x650 [ 1080.863529][ T3037] netlink_sendmsg+0x66e/0x770 [ 1080.868281][ T3037] ? netlink_getsockopt+0x3e0/0x3e0 [ 1080.873468][ T3037] ____sys_sendmsg+0x37c/0x4d0 [ 1080.878246][ T3037] __sys_sendmsg+0x1e9/0x270 [ 1080.882833][ T3037] __x64_sys_sendmsg+0x46/0x50 [ 1080.887582][ T3037] do_syscall_64+0x44/0x110 [ 1080.892068][ T3037] ? syscall_exit_to_user_mode+0x38/0x140 [ 1080.897771][ T3037] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1080.903674][ T3037] RIP: 0033:0x7f7033abcae9 [ 1080.908070][ T3037] 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 [ 1080.927735][ T3037] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 12:35:02 executing program 2: r0 = syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) r2 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r2, &(0x7f0000001fc0)=""/184, 0xb8) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$FS_IOC_MEASURE_VERITY(r0, 0xc0046686, &(0x7f0000000280)={0x1, 0xdf, "7059c3db8821d4bcc670f9096f12970091761cd1fcae9d8cd81f03e64d484ed184d5e383c312e881ff50f7efe0e68693e2245b090fd6f8a6835867f2bdd0b7105d44b39383288909c1f0b4ab75f7b565d65e2d771c1afe82f8e3782975f47c01b1cbf8ee8cfa5609ca1306d0f946c8914d22e36db61e5b008bed0bf00281acb199bb7c98777455463ed463f89deded467d246ae4effdb499e168c970885d8c0cdf79bdc00874c896cd67b58b6c7f8323be11914d6b7842a191eadf50db18f628dc5028babac9ececd34968e1e0f4fe2f934d054efa8b7120c34202bd5e9b66"}) ftruncate(r5, 0x800) lseek(r4, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r3, 0x6609) [ 1080.936156][ T3037] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1080.944177][ T3037] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1080.952127][ T3037] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1080.960078][ T3037] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1080.968047][ T3037] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1080.976013][ T3037] [ 1080.979081][ T3037] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1080.996326][ T3051] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1081.005479][ T3051] CPU: 0 PID: 3051 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1081.015459][ T3051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1081.019497][ T3055] loop4: detected capacity change from 0 to 512 [ 1081.025572][ T3051] Call Trace: [ 1081.025580][ T3051] [ 1081.025587][ T3051] dump_stack_lvl+0xda/0x130 [ 1081.025614][ T3051] dump_stack+0x15/0x20 [ 1081.046809][ T3051] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1081.047207][ T3053] loop2: detected capacity change from 0 to 512 [ 1081.052032][ T3051] kobject_add_internal+0x3eb/0x730 [ 1081.063507][ T3051] kobject_add+0xdc/0x150 [ 1081.065665][ T3053] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1477/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1081.067838][ T3051] ? kobject_get+0x95/0xc0 [ 1081.085027][ T3055] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1433/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1081.087056][ T3051] ? kobject_put+0xd8/0x160 [ 1081.087078][ T3051] ? device_add+0x2ea/0x8b0 [ 1081.110897][ T3051] device_add+0x2f8/0x8b0 [ 1081.115257][ T3051] netdev_register_kobject+0xfc/0x230 [ 1081.120642][ T3051] register_netdevice+0x65b/0xb20 [ 1081.125688][ T3051] ip6_tnl_create2+0x87/0x210 [ 1081.130363][ T3051] ip6_tnl_newlink+0x2bf/0x460 [ 1081.135181][ T3051] ? ip6_tnl_validate+0x80/0x80 [ 1081.140073][ T3051] rtnl_newlink+0xee5/0x1670 [ 1081.144655][ T3051] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1081.149982][ T3051] ? bond_option_downdelay_set+0x43/0x100 [ 1081.155694][ T3051] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1081.161926][ T3051] ? _raw_spin_unlock+0x26/0x40 [ 1081.166787][ T3051] ? __mutex_lock+0x21c/0x8d0 [ 1081.171557][ T3051] ? rtnl_setlink+0x300/0x300 [ 1081.176221][ T3051] rtnetlink_rcv_msg+0x807/0x8c0 [ 1081.181151][ T3051] ? kmem_cache_free+0x1d9/0x380 [ 1081.186262][ T3051] ? __kfree_skb+0x104/0x140 [ 1081.190942][ T3051] ? nlmon_xmit+0x4b/0x60 [ 1081.195256][ T3051] ? __kfree_skb+0x104/0x140 [ 1081.199831][ T3051] ? consume_skb+0x57/0x180 [ 1081.204392][ T3051] ? nlmon_xmit+0x4b/0x60 [ 1081.208757][ T3051] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1081.214051][ T3051] ? __dev_queue_xmit+0xaae/0x1d80 [ 1081.219191][ T3051] ? ref_tracker_free+0x3a1/0x400 [ 1081.224202][ T3051] netlink_rcv_skb+0x126/0x220 [ 1081.228957][ T3051] ? rtnetlink_bind+0x60/0x60 [ 1081.233695][ T3051] rtnetlink_rcv+0x1c/0x20 [ 1081.238177][ T3051] netlink_unicast+0x589/0x650 [ 1081.242944][ T3051] netlink_sendmsg+0x66e/0x770 [ 1081.247766][ T3051] ? netlink_getsockopt+0x3e0/0x3e0 [ 1081.252952][ T3051] ____sys_sendmsg+0x37c/0x4d0 [ 1081.257779][ T3051] __sys_sendmsg+0x1e9/0x270 [ 1081.262448][ T3051] __x64_sys_sendmsg+0x46/0x50 [ 1081.267200][ T3051] do_syscall_64+0x44/0x110 [ 1081.271750][ T3051] ? syscall_exit_to_user_mode+0x38/0x140 [ 1081.277516][ T3051] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1081.283453][ T3051] RIP: 0033:0x7fd903c48ae9 [ 1081.287870][ T3051] 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 [ 1081.307465][ T3051] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1081.315941][ T3051] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1081.323898][ T3051] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1081.331926][ T3051] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:35:02 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async, rerun: 32) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (rerun: 32) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) r6 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async, rerun: 32) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) (rerun: 32) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r8], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) r9 = pidfd_getfd(r7, r6, 0x0) r10 = socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r10, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000080)={0x44, r11, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xf}, {0x6}}]}, 0x44}}, 0x0) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r9, &(0x7f0000001c80)={&(0x7f0000001a40)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000001c40)={&(0x7f0000001a80)={0x184, r11, 0x0, 0x70bd25, 0x25dfdbfe, {}, [{@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}]}, 0x184}, 0x1, 0x0, 0x0, 0x4000004}, 0x20000000) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00', 0x0}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async, rerun: 32) socket$nl_route(0x10, 0x3, 0x0) (rerun: 32) r13 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) (async) ioctl$sock_ipv6_tunnel_SIOCGET6RD(r8, 0x89f8, &(0x7f0000001600)={'gre0\x00', &(0x7f0000001580)={'gre0\x00', r12, 0x80, 0x20, 0x1, 0x4, {{0xa, 0x4, 0x3, 0x4, 0x28, 0x67, 0x0, 0x0, 0x4, 0x0, @remote, @initdev={0xac, 0x1e, 0x0, 0x0}, {[@ssrr={0x89, 0x13, 0x8, [@initdev={0xac, 0x1e, 0x1, 0x0}, @empty, @dev={0xac, 0x14, 0x14, 0x32}, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @noop]}}}}}) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001980)={0x11, 0x5, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0xfff}, [@call={0x85, 0x0, 0x0, 0xa5}, @func={0x85, 0x0, 0x1, 0x0, 0x2}]}, &(0x7f0000000480)='GPL\x00', 0x1f, 0x1000, &(0x7f0000000580)=""/4096, 0x40e00, 0x62, '\x00', r14, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000001640)={0x1, 0xc, 0x101, 0xbeb}, 0x10, 0x0, 0x0, 0x3, &(0x7f0000001680)=[r8, r8, r8], &(0x7f0000001740)=[{0x1, 0x4, 0x10, 0x1}, {0x2, 0x4, 0x8, 0x1}, {0x5, 0x4, 0x9, 0x5}], 0x10, 0x2}, 0x90) 12:35:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xb4, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:02 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/295], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 32) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (rerun: 32) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async, rerun: 32) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 32) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1081.339946][ T3051] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1081.347980][ T3051] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1081.355942][ T3051] [ 1081.358996][ T3051] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:03 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x2c2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1081.398026][ T3077] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1081.407258][ T3077] CPU: 0 PID: 3077 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1081.417266][ T3077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1081.421166][ T3080] loop3: detected capacity change from 0 to 512 [ 1081.427369][ T3077] Call Trace: [ 1081.427377][ T3077] [ 1081.427384][ T3077] dump_stack_lvl+0xda/0x130 [ 1081.444421][ T3077] dump_stack+0x15/0x20 12:35:03 executing program 2: r0 = syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async, rerun: 64) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) (rerun: 64) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) (async) r2 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r2, &(0x7f0000001fc0)=""/184, 0xb8) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async, rerun: 64) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 64) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$FS_IOC_MEASURE_VERITY(r0, 0xc0046686, &(0x7f0000000280)={0x1, 0xdf, "7059c3db8821d4bcc670f9096f12970091761cd1fcae9d8cd81f03e64d484ed184d5e383c312e881ff50f7efe0e68693e2245b090fd6f8a6835867f2bdd0b7105d44b39383288909c1f0b4ab75f7b565d65e2d771c1afe82f8e3782975f47c01b1cbf8ee8cfa5609ca1306d0f946c8914d22e36db61e5b008bed0bf00281acb199bb7c98777455463ed463f89deded467d246ae4effdb499e168c970885d8c0cdf79bdc00874c896cd67b58b6c7f8323be11914d6b7842a191eadf50db18f628dc5028babac9ececd34968e1e0f4fe2f934d054efa8b7120c34202bd5e9b66"}) (async) ftruncate(r5, 0x800) (async) lseek(r4, 0x20400, 0x0) (async) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r3, 0x6609) [ 1081.448653][ T3077] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1081.453807][ T3077] kobject_add_internal+0x3eb/0x730 [ 1081.459014][ T3077] kobject_add+0xdc/0x150 [ 1081.461887][ T3080] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1465/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1081.463329][ T3077] ? kobject_get+0x95/0xc0 [ 1081.482569][ T3077] ? kobject_put+0xd8/0x160 [ 1081.487079][ T3077] ? device_add+0x2ea/0x8b0 [ 1081.491594][ T3077] device_add+0x2f8/0x8b0 [ 1081.495932][ T3077] netdev_register_kobject+0xfc/0x230 [ 1081.501370][ T3077] register_netdevice+0x65b/0xb20 [ 1081.506437][ T3077] ip6_tnl_create2+0x87/0x210 [ 1081.511134][ T3077] ip6_tnl_newlink+0x2bf/0x460 [ 1081.516024][ T3077] ? ip6_tnl_validate+0x80/0x80 [ 1081.520891][ T3077] rtnl_newlink+0xee5/0x1670 [ 1081.525526][ T3077] ? security_capable+0x5e/0x80 [ 1081.530388][ T3077] ? ns_capable+0x7c/0xb0 [ 1081.534773][ T3077] ? rtnl_setlink+0x300/0x300 [ 1081.539458][ T3077] rtnetlink_rcv_msg+0x807/0x8c0 [ 1081.544394][ T3077] ? security_capable+0x5e/0x80 [ 1081.549292][ T3077] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1081.555264][ T3077] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1081.560369][ T3077] ? __rcu_read_unlock+0x4d/0x70 [ 1081.565340][ T3077] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1081.570579][ T3077] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1081.576030][ T3077] ? __rcu_read_unlock+0x4d/0x70 [ 1081.580948][ T3077] ? __rcu_read_unlock+0x4d/0x70 [ 1081.585867][ T3077] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1081.591359][ T3077] netlink_rcv_skb+0x126/0x220 [ 1081.596180][ T3077] ? rtnetlink_bind+0x60/0x60 [ 1081.600940][ T3077] rtnetlink_rcv+0x1c/0x20 [ 1081.605343][ T3077] netlink_unicast+0x589/0x650 [ 1081.610143][ T3077] netlink_sendmsg+0x66e/0x770 [ 1081.614916][ T3077] ? netlink_getsockopt+0x3e0/0x3e0 [ 1081.620132][ T3077] ____sys_sendmsg+0x37c/0x4d0 [ 1081.624896][ T3077] __sys_sendmsg+0x1e9/0x270 [ 1081.629469][ T3077] __x64_sys_sendmsg+0x46/0x50 [ 1081.634220][ T3077] do_syscall_64+0x44/0x110 [ 1081.638720][ T3077] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1081.644600][ T3077] RIP: 0033:0x7f7033abcae9 [ 1081.648993][ T3077] 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 [ 1081.668638][ T3077] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1081.677048][ T3077] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1081.685001][ T3077] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:35:03 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/295], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/295], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) [ 1081.693027][ T3077] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1081.700981][ T3077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1081.708932][ T3077] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1081.716915][ T3077] [ 1081.720215][ T3077] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1081.739170][ T3088] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1081.743420][ T3117] loop4: detected capacity change from 0 to 512 [ 1081.748312][ T3088] CPU: 1 PID: 3088 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1081.764568][ T3088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1081.774609][ T3088] Call Trace: [ 1081.777871][ T3088] [ 1081.780837][ T3088] dump_stack_lvl+0xda/0x130 [ 1081.785415][ T3088] dump_stack+0x15/0x20 [ 1081.789593][ T3088] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1081.794724][ T3088] kobject_add_internal+0x3eb/0x730 [ 1081.799920][ T3088] kobject_add+0xdc/0x150 [ 1081.804273][ T3088] ? kobject_get+0x95/0xc0 [ 1081.808676][ T3088] ? kobject_put+0xd8/0x160 [ 1081.813207][ T3088] ? device_add+0x2ea/0x8b0 [ 1081.817739][ T3088] device_add+0x2f8/0x8b0 [ 1081.822083][ T3088] netdev_register_kobject+0xfc/0x230 [ 1081.827493][ T3088] register_netdevice+0x65b/0xb20 [ 1081.832681][ T3088] ip6_tnl_create2+0x87/0x210 [ 1081.837360][ T3088] ip6_tnl_newlink+0x2bf/0x460 [ 1081.842118][ T3088] ? ip6_tnl_validate+0x80/0x80 [ 1081.846980][ T3088] rtnl_newlink+0xee5/0x1670 [ 1081.851607][ T3088] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1081.856897][ T3088] ? rtnl_newlink+0x2b1/0x1670 [ 1081.861761][ T3088] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1081.868009][ T3088] ? _raw_spin_unlock+0x26/0x40 [ 1081.872853][ T3088] ? __mutex_lock+0x21c/0x8d0 [ 1081.877623][ T3088] ? rtnl_setlink+0x300/0x300 [ 1081.882291][ T3088] rtnetlink_rcv_msg+0x807/0x8c0 [ 1081.887302][ T3088] ? kmem_cache_free+0x1d9/0x380 [ 1081.892416][ T3088] ? __kfree_skb+0x104/0x140 [ 1081.896998][ T3088] ? nlmon_xmit+0x4b/0x60 [ 1081.901317][ T3088] ? __kfree_skb+0x104/0x140 [ 1081.905900][ T3088] ? consume_skb+0x57/0x180 [ 1081.910548][ T3088] ? nlmon_xmit+0x4b/0x60 [ 1081.914930][ T3088] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1081.920205][ T3088] ? __dev_queue_xmit+0xaae/0x1d80 [ 1081.925350][ T3088] ? ref_tracker_free+0x3a1/0x400 [ 1081.930434][ T3088] netlink_rcv_skb+0x126/0x220 [ 1081.935250][ T3088] ? rtnetlink_bind+0x60/0x60 [ 1081.939979][ T3088] rtnetlink_rcv+0x1c/0x20 [ 1081.944392][ T3088] netlink_unicast+0x589/0x650 [ 1081.949148][ T3088] netlink_sendmsg+0x66e/0x770 [ 1081.953906][ T3088] ? netlink_getsockopt+0x3e0/0x3e0 [ 1081.959100][ T3088] ____sys_sendmsg+0x37c/0x4d0 [ 1081.963854][ T3088] __sys_sendmsg+0x1e9/0x270 [ 1081.968437][ T3088] __x64_sys_sendmsg+0x46/0x50 [ 1081.973244][ T3088] do_syscall_64+0x44/0x110 [ 1081.977746][ T3088] ? syscall_exit_to_user_mode+0x38/0x140 [ 1081.983494][ T3088] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1081.989498][ T3088] RIP: 0033:0x7f7bcc9aeae9 [ 1081.993910][ T3088] 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 [ 1082.013506][ T3088] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1082.021979][ T3088] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1082.029938][ T3088] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1082.037898][ T3088] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 12:35:03 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async, rerun: 64) lseek(r1, 0x20400, 0x0) (rerun: 64) syz_open_dev$loop(&(0x7f0000000000), 0x6, 0x800b00) (async) ftruncate(r0, 0x9) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) mlock2(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0) (async, rerun: 64) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (rerun: 64) 12:35:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xcb, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1082.045881][ T3088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1082.053918][ T3088] R13: 000000000000000b R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1082.061888][ T3088] [ 1082.064945][ T3088] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1082.084295][ T3099] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1082.093406][ T3099] CPU: 1 PID: 3099 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1082.103386][ T3099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1082.109925][ T3122] loop3: detected capacity change from 0 to 512 [ 1082.113503][ T3099] Call Trace: [ 1082.113512][ T3099] [ 1082.113519][ T3099] dump_stack_lvl+0xda/0x130 [ 1082.122696][ T3117] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1435/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1082.123007][ T3099] dump_stack+0x15/0x20 [ 1082.143093][ T3122] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1466/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1082.145299][ T3099] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1082.145332][ T3099] kobject_add_internal+0x3eb/0x730 [ 1082.152888][ T3125] loop2: detected capacity change from 0 to 512 [ 1082.164266][ T3099] kobject_add+0xdc/0x150 [ 1082.164287][ T3099] ? kobject_get+0x95/0xc0 [ 1082.189668][ T3099] ? kobject_put+0xd8/0x160 [ 1082.194178][ T3099] ? device_add+0x2ea/0x8b0 [ 1082.198774][ T3099] device_add+0x2f8/0x8b0 [ 1082.203181][ T3099] netdev_register_kobject+0xfc/0x230 [ 1082.208578][ T3099] register_netdevice+0x65b/0xb20 [ 1082.213696][ T3099] ip6_tnl_create2+0x87/0x210 [ 1082.218435][ T3099] ip6_tnl_newlink+0x2bf/0x460 [ 1082.223262][ T3099] ? ip6_tnl_validate+0x80/0x80 [ 1082.228102][ T3099] rtnl_newlink+0xee5/0x1670 [ 1082.232701][ T3099] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1082.238022][ T3099] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1082.244364][ T3099] ? _raw_spin_unlock+0x26/0x40 [ 1082.249240][ T3099] ? __mutex_lock+0x21c/0x8d0 [ 1082.254016][ T3099] ? rtnl_setlink+0x300/0x300 [ 1082.258728][ T3099] rtnetlink_rcv_msg+0x807/0x8c0 [ 1082.263679][ T3099] ? kmem_cache_free+0x1d9/0x380 [ 1082.268605][ T3099] ? __kfree_skb+0x104/0x140 [ 1082.273188][ T3099] ? nlmon_xmit+0x4b/0x60 [ 1082.277502][ T3099] ? __kfree_skb+0x104/0x140 [ 1082.282173][ T3099] ? consume_skb+0x57/0x180 [ 1082.286668][ T3099] ? nlmon_xmit+0x4b/0x60 [ 1082.291020][ T3099] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1082.296292][ T3099] ? __dev_queue_xmit+0xaae/0x1d80 [ 1082.301392][ T3099] ? ref_tracker_free+0x3a1/0x400 [ 1082.306400][ T3099] netlink_rcv_skb+0x126/0x220 [ 1082.311185][ T3099] ? rtnetlink_bind+0x60/0x60 [ 1082.315880][ T3099] rtnetlink_rcv+0x1c/0x20 [ 1082.320285][ T3099] netlink_unicast+0x589/0x650 [ 1082.325057][ T3099] netlink_sendmsg+0x66e/0x770 [ 1082.329816][ T3099] ? netlink_getsockopt+0x3e0/0x3e0 [ 1082.335051][ T3099] ____sys_sendmsg+0x37c/0x4d0 [ 1082.339842][ T3099] __sys_sendmsg+0x1e9/0x270 [ 1082.344487][ T3099] __x64_sys_sendmsg+0x46/0x50 [ 1082.349243][ T3099] do_syscall_64+0x44/0x110 [ 1082.353765][ T3099] ? syscall_exit_to_user_mode+0x38/0x140 [ 1082.359624][ T3099] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1082.365506][ T3099] RIP: 0033:0x7fd903c48ae9 [ 1082.369899][ T3099] 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 [ 1082.389485][ T3099] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 12:35:04 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x22) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r1, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) write$binfmt_elf64(r1, &(0x7f0000001080)={{0x7f, 0x45, 0x4c, 0x46, 0x3, 0x1f, 0x1, 0x5, 0x3, 0x0, 0x6, 0x9, 0x33b, 0x40, 0x1ba, 0x8, 0xb287, 0x38, 0xffff, 0x3, 0x200, 0x1ff}, [{0x4, 0x9, 0xa, 0x40, 0xfa, 0x8, 0x0, 0x4}, {0x6474e551, 0x4, 0xffffbfff, 0x2, 0x1f, 0x3, 0x0, 0xffff}], "f4eb0516b8758d4c739a07e75b03022b523fd85c178d93cb962b5ffd191216000e3e412bf978a7a97c8cd83759b9f8a899b15e140f9cb859aa717712659fa4e6411202e6febdc71918345d95a2d08a9285dd7b0bb9bf47f455e485f15ccc0203353d9b272426c9ce4bb667", ['\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00']}, 0x91b) ioctl$EVIOCGABS3F(r0, 0x8018457f, &(0x7f0000000280)=""/129) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r2, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r2, r4, 0x0, 0x80001d00c0d0) [ 1082.397912][ T3099] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1082.405864][ T3099] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1082.413818][ T3099] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1082.421774][ T3099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1082.429724][ T3099] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1082.437717][ T3099] 12:35:04 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x2c6, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:04 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x180208a, &(0x7f0000000280)=ANY=[], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) write$P9_RVERSION(r3, &(0x7f00000001c0)={0x15, 0x65, 0xffff, 0x8, 0x8, '9P2000.u'}, 0x15) lseek(r1, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r7 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r7, r6, 0x0, 0xf6c1) getsockopt$inet_buf(r6, 0x0, 0x2f, &(0x7f0000000280)=""/215, &(0x7f0000000000)=0xd7) write(r1, &(0x7f00000000c0)="19ff88b7a65430d853f83866ca6d48df92ed8c612057803c4345493eb9d5454757dfa8409d0ca50fa8259499343ae9bebb082499796d26f86f98b2e82438cace64f4e70741a2200c154e933a79378a5a57db01dbd3a4a25a63c7de88366ffdd5a0e8cfca9b7037c57f359687dfbb64d37a8689d2e23e5a86c62ecb2464d22ca2258c032d29856f2ffaf132c53df7392012747db30cff0d4cc7feccecb892e63a26d3a29d94e9c2832b458ddc9c0d8816e52d0991159bb2879b03fffac71b70ecc40b9099c10e3ab3ea7dd107bcd32a54f3f0a8caf2e575bb4fb7dc5c819a5c91a98c7d18882e516ec8ea0c7bbf034b22ccc0", 0xf2) sendfile(r1, r5, 0x0, 0x80001d00c0d0) 12:35:04 executing program 2: r0 = syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) (async) r2 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r2, &(0x7f0000001fc0)=""/184, 0xb8) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$FS_IOC_MEASURE_VERITY(r0, 0xc0046686, &(0x7f0000000280)={0x1, 0xdf, "7059c3db8821d4bcc670f9096f12970091761cd1fcae9d8cd81f03e64d484ed184d5e383c312e881ff50f7efe0e68693e2245b090fd6f8a6835867f2bdd0b7105d44b39383288909c1f0b4ab75f7b565d65e2d771c1afe82f8e3782975f47c01b1cbf8ee8cfa5609ca1306d0f946c8914d22e36db61e5b008bed0bf00281acb199bb7c98777455463ed463f89deded467d246ae4effdb499e168c970885d8c0cdf79bdc00874c896cd67b58b6c7f8323be11914d6b7842a191eadf50db18f628dc5028babac9ececd34968e1e0f4fe2f934d054efa8b7120c34202bd5e9b66"}) ftruncate(r5, 0x800) (async) lseek(r4, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r3, 0x6609) [ 1082.440824][ T3099] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1082.462387][ T3130] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1082.471612][ T3130] CPU: 0 PID: 3130 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1082.481649][ T3130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1082.491728][ T3130] Call Trace: [ 1082.495002][ T3130] [ 1082.498085][ T3130] dump_stack_lvl+0xda/0x130 [ 1082.502678][ T3130] dump_stack+0x15/0x20 [ 1082.506823][ T3130] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1082.511962][ T3130] kobject_add_internal+0x3eb/0x730 [ 1082.517177][ T3130] kobject_add+0xdc/0x150 [ 1082.521497][ T3130] ? kobject_get+0x95/0xc0 [ 1082.525904][ T3130] ? kobject_put+0xd8/0x160 [ 1082.530385][ T3130] ? device_add+0x2ea/0x8b0 [ 1082.534954][ T3130] device_add+0x2f8/0x8b0 [ 1082.539286][ T3130] netdev_register_kobject+0xfc/0x230 [ 1082.544662][ T3130] register_netdevice+0x65b/0xb20 [ 1082.549728][ T3130] ip6_tnl_create2+0x87/0x210 [ 1082.554395][ T3130] ip6_tnl_newlink+0x2bf/0x460 [ 1082.559201][ T3130] ? ip6_tnl_validate+0x80/0x80 [ 1082.564132][ T3130] rtnl_newlink+0xee5/0x1670 [ 1082.568787][ T3130] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1082.574147][ T3130] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1082.580401][ T3130] ? _raw_spin_unlock+0x26/0x40 [ 1082.585237][ T3130] ? __mutex_lock+0x21c/0x8d0 [ 1082.589933][ T3130] ? rtnl_setlink+0x300/0x300 [ 1082.594691][ T3130] rtnetlink_rcv_msg+0x807/0x8c0 [ 1082.599719][ T3130] ? __rcu_read_unlock+0x4d/0x70 [ 1082.604709][ T3130] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1082.610207][ T3130] netlink_rcv_skb+0x126/0x220 [ 1082.614961][ T3130] ? rtnetlink_bind+0x60/0x60 [ 1082.619631][ T3130] rtnetlink_rcv+0x1c/0x20 [ 1082.624033][ T3130] netlink_unicast+0x589/0x650 [ 1082.628857][ T3130] netlink_sendmsg+0x66e/0x770 [ 1082.633606][ T3130] ? netlink_getsockopt+0x3e0/0x3e0 [ 1082.638799][ T3130] ____sys_sendmsg+0x37c/0x4d0 [ 1082.643544][ T3130] __sys_sendmsg+0x1e9/0x270 [ 1082.648120][ T3130] __x64_sys_sendmsg+0x46/0x50 [ 1082.652935][ T3130] do_syscall_64+0x44/0x110 [ 1082.657476][ T3130] ? syscall_exit_to_user_mode+0x38/0x140 [ 1082.663180][ T3130] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1082.669149][ T3130] RIP: 0033:0x7f7033abcae9 [ 1082.673560][ T3130] 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 [ 1082.693158][ T3130] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1082.701628][ T3130] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1082.709584][ T3130] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1082.717539][ T3130] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1082.725570][ T3130] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1082.733565][ T3130] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1082.741520][ T3130] 12:35:04 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) r6 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r8], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) r9 = pidfd_getfd(r7, r6, 0x0) (async) r10 = socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r10, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000080)={0x44, r11, 0x1, 0x0, 0x0, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xf}, {0x6}}]}, 0x44}}, 0x0) (async) sendmsg$DEVLINK_CMD_TRAP_GROUP_GET(r9, &(0x7f0000001c80)={&(0x7f0000001a40)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000001c40)={&(0x7f0000001a80)={0x184, r11, 0x0, 0x70bd25, 0x25dfdbfe, {}, [{@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@pci={{0x8}, {0x11}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd}}]}, 0x184}, 0x1, 0x0, 0x0, 0x4000004}, 0x20000000) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00', 0x0}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) r13 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) (async) ioctl$sock_ipv6_tunnel_SIOCGET6RD(r8, 0x89f8, &(0x7f0000001600)={'gre0\x00', &(0x7f0000001580)={'gre0\x00', r12, 0x80, 0x20, 0x1, 0x4, {{0xa, 0x4, 0x3, 0x4, 0x28, 0x67, 0x0, 0x0, 0x4, 0x0, @remote, @initdev={0xac, 0x1e, 0x0, 0x0}, {[@ssrr={0x89, 0x13, 0x8, [@initdev={0xac, 0x1e, 0x1, 0x0}, @empty, @dev={0xac, 0x14, 0x14, 0x32}, @initdev={0xac, 0x1e, 0x0, 0x0}]}, @noop]}}}}}) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001980)={0x11, 0x5, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0xfff}, [@call={0x85, 0x0, 0x0, 0xa5}, @func={0x85, 0x0, 0x1, 0x0, 0x2}]}, &(0x7f0000000480)='GPL\x00', 0x1f, 0x1000, &(0x7f0000000580)=""/4096, 0x40e00, 0x62, '\x00', r14, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000001640)={0x1, 0xc, 0x101, 0xbeb}, 0x10, 0x0, 0x0, 0x3, &(0x7f0000001680)=[r8, r8, r8], &(0x7f0000001740)=[{0x1, 0x4, 0x10, 0x1}, {0x2, 0x4, 0x8, 0x1}, {0x5, 0x4, 0x9, 0x5}], 0x10, 0x2}, 0x90) [ 1082.744612][ T3130] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1082.761424][ T3148] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1082.766794][T30579] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1082.770661][ T3148] CPU: 0 PID: 3148 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1082.790029][ T3148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1082.800157][ T3148] Call Trace: 12:35:04 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xda, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1082.803435][ T3148] [ 1082.806369][ T3148] dump_stack_lvl+0xda/0x130 [ 1082.806857][ T3156] loop2: detected capacity change from 0 to 512 [ 1082.810957][ T3148] dump_stack+0x15/0x20 [ 1082.810981][ T3148] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1082.826447][ T3148] kobject_add_internal+0x3eb/0x730 [ 1082.831657][ T3148] kobject_add+0xdc/0x150 [ 1082.836029][ T3148] ? kobject_get+0x95/0xc0 [ 1082.840501][ T3148] ? kobject_put+0xd8/0x160 [ 1082.845014][ T3148] ? device_add+0x2ea/0x8b0 [ 1082.849600][ T3148] device_add+0x2f8/0x8b0 [ 1082.853960][ T3148] netdev_register_kobject+0xfc/0x230 [ 1082.859353][ T3148] register_netdevice+0x65b/0xb20 [ 1082.864423][ T3148] ip6_tnl_create2+0x87/0x210 [ 1082.869116][ T3148] ip6_tnl_newlink+0x2bf/0x460 [ 1082.873937][ T3148] ? ip6_tnl_validate+0x80/0x80 [ 1082.878871][ T3148] rtnl_newlink+0xee5/0x1670 [ 1082.883478][ T3148] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1082.888828][ T3148] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1082.895085][ T3148] ? _raw_spin_unlock+0x26/0x40 [ 1082.900017][ T3148] ? __mutex_lock+0x21c/0x8d0 [ 1082.904708][ T3148] ? rtnl_setlink+0x300/0x300 [ 1082.909507][ T3148] rtnetlink_rcv_msg+0x807/0x8c0 [ 1082.914467][ T3148] ? kmem_cache_free+0x1d9/0x380 [ 1082.919424][ T3148] ? __kfree_skb+0x104/0x140 [ 1082.924027][ T3148] ? nlmon_xmit+0x4b/0x60 [ 1082.928401][ T3148] ? __kfree_skb+0x104/0x140 [ 1082.933002][ T3148] ? consume_skb+0x57/0x180 [ 1082.937620][ T3148] ? nlmon_xmit+0x4b/0x60 [ 1082.941959][ T3148] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1082.947252][ T3148] ? __dev_queue_xmit+0xaae/0x1d80 [ 1082.952386][ T3148] ? ref_tracker_free+0x3a1/0x400 [ 1082.957421][ T3148] netlink_rcv_skb+0x126/0x220 [ 1082.962206][ T3148] ? rtnetlink_bind+0x60/0x60 [ 1082.966920][ T3148] rtnetlink_rcv+0x1c/0x20 [ 1082.971432][ T3148] netlink_unicast+0x589/0x650 [ 1082.976262][ T3148] netlink_sendmsg+0x66e/0x770 [ 1082.981144][ T3148] ? netlink_getsockopt+0x3e0/0x3e0 [ 1082.986358][ T3148] ____sys_sendmsg+0x37c/0x4d0 [ 1082.991129][ T3148] __sys_sendmsg+0x1e9/0x270 [ 1082.995728][ T3148] __x64_sys_sendmsg+0x46/0x50 [ 1083.000493][ T3148] do_syscall_64+0x44/0x110 [ 1083.005078][ T3148] ? syscall_exit_to_user_mode+0x38/0x140 [ 1083.010810][ T3148] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1083.016857][ T3148] RIP: 0033:0x7fd903c48ae9 [ 1083.021276][ T3148] 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 [ 1083.040883][ T3148] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1083.049293][ T3148] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1083.057346][ T3148] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1083.065386][ T3148] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1083.073364][ T3148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1083.081391][ T3148] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1083.089376][ T3148] [ 1083.092477][ T3148] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1083.111388][ T3152] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1083.115557][ T3156] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1479/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1083.120585][ T3152] CPU: 0 PID: 3152 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1083.145397][ T3152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1083.155452][ T3152] Call Trace: [ 1083.158776][ T3152] [ 1083.161785][ T3152] dump_stack_lvl+0xda/0x130 [ 1083.166433][ T3152] dump_stack+0x15/0x20 [ 1083.170606][ T3152] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1083.175780][ T3152] kobject_add_internal+0x3eb/0x730 [ 1083.180986][ T3152] kobject_add+0xdc/0x150 [ 1083.185366][ T3152] ? kobject_get+0x95/0xc0 [ 1083.189777][ T3152] ? kobject_put+0xd8/0x160 [ 1083.194433][ T3152] ? device_add+0x2ea/0x8b0 [ 1083.198952][ T3152] device_add+0x2f8/0x8b0 [ 1083.203322][ T3152] netdev_register_kobject+0xfc/0x230 [ 1083.208842][ T3152] register_netdevice+0x65b/0xb20 [ 1083.213900][ T3152] ip6_tnl_create2+0x87/0x210 [ 1083.218579][ T3152] ip6_tnl_newlink+0x2bf/0x460 [ 1083.223394][ T3152] ? ip6_tnl_validate+0x80/0x80 [ 1083.228294][ T3152] rtnl_newlink+0xee5/0x1670 [ 1083.232889][ T3152] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1083.238180][ T3152] ? rtnl_newlink+0x2b1/0x1670 [ 1083.242955][ T3152] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1083.249262][ T3152] ? _raw_spin_unlock+0x26/0x40 [ 1083.254179][ T3152] ? __mutex_lock+0x21c/0x8d0 [ 1083.258886][ T3152] ? rtnl_setlink+0x300/0x300 [ 1083.263607][ T3152] rtnetlink_rcv_msg+0x807/0x8c0 [ 1083.268587][ T3152] ? kmem_cache_free+0x1d9/0x380 [ 1083.273521][ T3152] ? __kfree_skb+0x104/0x140 [ 1083.278106][ T3152] ? nlmon_xmit+0x4b/0x60 [ 1083.282426][ T3152] ? __kfree_skb+0x104/0x140 [ 1083.287024][ T3152] ? consume_skb+0x57/0x180 [ 1083.291526][ T3152] ? nlmon_xmit+0x4b/0x60 [ 1083.295845][ T3152] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1083.301174][ T3152] ? __dev_queue_xmit+0xaae/0x1d80 [ 1083.306291][ T3152] ? ref_tracker_free+0x3a1/0x400 [ 1083.311306][ T3152] netlink_rcv_skb+0x126/0x220 [ 1083.316130][ T3152] ? rtnetlink_bind+0x60/0x60 [ 1083.320873][ T3152] rtnetlink_rcv+0x1c/0x20 [ 1083.325286][ T3152] netlink_unicast+0x589/0x650 [ 1083.330043][ T3152] netlink_sendmsg+0x66e/0x770 [ 1083.334864][ T3152] ? netlink_getsockopt+0x3e0/0x3e0 [ 1083.340061][ T3152] ____sys_sendmsg+0x37c/0x4d0 [ 1083.344831][ T3152] __sys_sendmsg+0x1e9/0x270 [ 1083.349413][ T3152] __x64_sys_sendmsg+0x46/0x50 [ 1083.354316][ T3152] do_syscall_64+0x44/0x110 [ 1083.358808][ T3152] ? syscall_exit_to_user_mode+0x38/0x140 [ 1083.364618][ T3152] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1083.370539][ T3152] RIP: 0033:0x7f7bcc9aeae9 [ 1083.374942][ T3152] 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 [ 1083.394560][ T3152] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1083.402961][ T3152] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1083.410922][ T3152] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1083.418879][ T3152] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1083.426880][ T3152] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1083.434840][ T3152] R13: 000000000000000b R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1083.442801][ T3152] [ 1083.445894][ T3152] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1083.473717][ T3187] loop4: detected capacity change from 0 to 512 [ 1083.482584][ T3169] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1083.491822][ T3169] CPU: 1 PID: 3169 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 12:35:05 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x2d2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1083.501806][ T3169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1083.511861][ T3169] Call Trace: [ 1083.515194][ T3169] [ 1083.518128][ T3169] dump_stack_lvl+0xda/0x130 [ 1083.522730][ T3169] dump_stack+0x15/0x20 [ 1083.526931][ T3169] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1083.532058][ T3169] kobject_add_internal+0x3eb/0x730 [ 1083.537263][ T3169] kobject_add+0xdc/0x150 [ 1083.541602][ T3169] ? kobject_get+0x95/0xc0 [ 1083.546031][ T3169] ? kobject_put+0xd8/0x160 [ 1083.550539][ T3169] ? device_add+0x2ea/0x8b0 [ 1083.555145][ T3169] device_add+0x2f8/0x8b0 [ 1083.559523][ T3169] netdev_register_kobject+0xfc/0x230 [ 1083.564979][ T3169] register_netdevice+0x65b/0xb20 [ 1083.570093][ T3169] ip6_tnl_create2+0x87/0x210 [ 1083.574843][ T3169] ip6_tnl_newlink+0x2bf/0x460 [ 1083.579638][ T3169] ? ip6_tnl_validate+0x80/0x80 [ 1083.584572][ T3169] rtnl_newlink+0xee5/0x1670 [ 1083.589174][ T3169] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1083.594472][ T3169] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1083.600722][ T3169] ? _raw_spin_unlock+0x26/0x40 [ 1083.605685][ T3169] ? __mutex_lock+0x21c/0x8d0 [ 1083.610374][ T3169] ? rtnl_setlink+0x300/0x300 [ 1083.615069][ T3169] rtnetlink_rcv_msg+0x807/0x8c0 [ 1083.620036][ T3169] ? __rcu_read_unlock+0x4d/0x70 [ 1083.624980][ T3169] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1083.630373][ T3169] netlink_rcv_skb+0x126/0x220 [ 1083.635156][ T3169] ? rtnetlink_bind+0x60/0x60 [ 1083.639967][ T3169] rtnetlink_rcv+0x1c/0x20 [ 1083.644442][ T3169] netlink_unicast+0x589/0x650 [ 1083.649255][ T3169] netlink_sendmsg+0x66e/0x770 [ 1083.654030][ T3169] ? netlink_getsockopt+0x3e0/0x3e0 [ 1083.659251][ T3169] ____sys_sendmsg+0x37c/0x4d0 [ 1083.664098][ T3169] __sys_sendmsg+0x1e9/0x270 [ 1083.668739][ T3169] __x64_sys_sendmsg+0x46/0x50 [ 1083.673505][ T3169] do_syscall_64+0x44/0x110 [ 1083.678016][ T3169] ? syscall_exit_to_user_mode+0x38/0x140 [ 1083.683863][ T3169] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1083.689787][ T3169] RIP: 0033:0x7f7033abcae9 [ 1083.694199][ T3169] 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 [ 1083.713882][ T3169] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1083.722284][ T3169] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1083.730292][ T3169] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1083.738325][ T3169] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1083.746358][ T3169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:05 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x2da, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xf2, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1083.754375][ T3169] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1083.762360][ T3169] [ 1083.765797][ T3169] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:05 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x1, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r8, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r8, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000900)=ANY=[], 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x0) ftruncate(r2, 0x6) sendmsg$DEVLINK_CMD_TRAP_POLICER_SET(r8, &(0x7f0000000700)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x14c, r10, 0x100, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0x2}, {0xc, 0x90, 0x8e0}}, {@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0xff}, {0xc, 0x90, 0x5}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x9}, {0xc, 0x90, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x7}, {0xc, 0x90, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x8e, 0x1}, {0xc, 0x8f, 0x7}, {0xc}}]}, 0x14c}, 0x1, 0x0, 0x0, 0x4040060}, 0x4048085) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000940)={'vxcan1\x00'}) r11 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r12 = socket(0x10, 0x803, 0x0) sendmsg$MPTCP_PM_CMD_ANNOUNCE(r11, &(0x7f00000008c0)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000880)={&(0x7f0000000780)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x40) sendmsg$NBD_CMD_DISCONNECT(r12, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1083.817964][ T3187] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1436/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1083.835606][ T3196] loop3: detected capacity change from 0 to 512 [ 1083.837659][ T3198] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1083.851035][ T3198] CPU: 1 PID: 3198 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1083.861020][ T3198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1083.871087][ T3198] Call Trace: [ 1083.874362][ T3198] [ 1083.877294][ T3198] dump_stack_lvl+0xda/0x130 [ 1083.881956][ T3198] dump_stack+0x15/0x20 [ 1083.886179][ T3198] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1083.891366][ T3198] kobject_add_internal+0x3eb/0x730 [ 1083.896679][ T3198] kobject_add+0xdc/0x150 [ 1083.901008][ T3198] ? kobject_get+0x95/0xc0 [ 1083.905431][ T3198] ? kobject_put+0xd8/0x160 [ 1083.909931][ T3198] ? device_add+0x2ea/0x8b0 [ 1083.914450][ T3198] device_add+0x2f8/0x8b0 [ 1083.918787][ T3198] netdev_register_kobject+0xfc/0x230 [ 1083.924174][ T3198] register_netdevice+0x65b/0xb20 [ 1083.929266][ T3198] ip6_tnl_create2+0x87/0x210 [ 1083.933951][ T3198] ip6_tnl_newlink+0x2bf/0x460 [ 1083.938727][ T3198] ? ip6_tnl_validate+0x80/0x80 [ 1083.943722][ T3198] rtnl_newlink+0xee5/0x1670 [ 1083.948366][ T3198] ? security_capable+0x5e/0x80 [ 1083.953280][ T3198] ? ns_capable+0x7c/0xb0 [ 1083.957609][ T3198] ? rtnl_setlink+0x300/0x300 [ 1083.962322][ T3198] rtnetlink_rcv_msg+0x807/0x8c0 [ 1083.967356][ T3198] ? security_capable+0x5e/0x80 [ 1083.972402][ T3198] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1083.978398][ T3198] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1083.983527][ T3198] ? __rcu_read_unlock+0x4d/0x70 [ 1083.988503][ T3198] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1083.993731][ T3198] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1083.999118][ T3198] ? __rcu_read_unlock+0x4d/0x70 [ 1084.004096][ T3198] ? __rcu_read_unlock+0x4d/0x70 [ 1084.009047][ T3198] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1084.014486][ T3198] netlink_rcv_skb+0x126/0x220 [ 1084.019336][ T3198] ? rtnetlink_bind+0x60/0x60 [ 1084.024120][ T3198] rtnetlink_rcv+0x1c/0x20 [ 1084.028544][ T3198] netlink_unicast+0x589/0x650 [ 1084.033318][ T3198] netlink_sendmsg+0x66e/0x770 [ 1084.038102][ T3198] ? netlink_getsockopt+0x3e0/0x3e0 [ 1084.043433][ T3198] ____sys_sendmsg+0x37c/0x4d0 [ 1084.048235][ T3198] __sys_sendmsg+0x1e9/0x270 [ 1084.052820][ T3198] ? wake_up_q+0x3f/0x70 [ 1084.057114][ T3198] __x64_sys_sendmsg+0x46/0x50 [ 1084.061876][ T3198] do_syscall_64+0x44/0x110 [ 1084.066386][ T3198] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1084.072336][ T3198] RIP: 0033:0x7f7033abcae9 [ 1084.076841][ T3198] 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 [ 1084.096457][ T3198] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1084.104869][ T3198] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 12:35:05 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x2ea, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1084.112946][ T3198] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1084.120913][ T3198] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1084.128955][ T3198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1084.136926][ T3198] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1084.144917][ T3198] [ 1084.148315][ T3198] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:05 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x22) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r1, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) write$binfmt_elf64(r1, &(0x7f0000001080)={{0x7f, 0x45, 0x4c, 0x46, 0x3, 0x1f, 0x1, 0x5, 0x3, 0x0, 0x6, 0x9, 0x33b, 0x40, 0x1ba, 0x8, 0xb287, 0x38, 0xffff, 0x3, 0x200, 0x1ff}, [{0x4, 0x9, 0xa, 0x40, 0xfa, 0x8, 0x0, 0x4}, {0x6474e551, 0x4, 0xffffbfff, 0x2, 0x1f, 0x3, 0x0, 0xffff}], "f4eb0516b8758d4c739a07e75b03022b523fd85c178d93cb962b5ffd191216000e3e412bf978a7a97c8cd83759b9f8a899b15e140f9cb859aa717712659fa4e6411202e6febdc71918345d95a2d08a9285dd7b0bb9bf47f455e485f15ccc0203353d9b272426c9ce4bb667", ['\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00']}, 0x91b) (async) ioctl$EVIOCGABS3F(r0, 0x8018457f, &(0x7f0000000280)=""/129) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) (async) lseek(r2, 0x20400, 0x0) (async, rerun: 32) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 32) sendfile(r2, r4, 0x0, 0x80001d00c0d0) [ 1084.185388][ T3207] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1084.194546][ T3207] CPU: 1 PID: 3207 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1084.204529][ T3207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1084.214634][ T3207] Call Trace: [ 1084.217975][ T3207] [ 1084.220901][ T3207] dump_stack_lvl+0xda/0x130 [ 1084.225502][ T3207] dump_stack+0x15/0x20 [ 1084.229663][ T3207] sysfs_create_dir_ns+0x1a8/0x1d0 12:35:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0xfc, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1084.234857][ T3207] kobject_add_internal+0x3eb/0x730 [ 1084.240090][ T3207] kobject_add+0xdc/0x150 [ 1084.244436][ T3207] ? kobject_get+0x95/0xc0 [ 1084.248860][ T3207] ? kobject_put+0xd8/0x160 [ 1084.253392][ T3207] ? device_add+0x2ea/0x8b0 [ 1084.257992][ T3207] device_add+0x2f8/0x8b0 [ 1084.262420][ T3207] netdev_register_kobject+0xfc/0x230 [ 1084.267823][ T3207] register_netdevice+0x65b/0xb20 [ 1084.272902][ T3207] ip6_tnl_create2+0x87/0x210 [ 1084.277641][ T3207] ip6_tnl_newlink+0x2bf/0x460 [ 1084.282416][ T3207] ? ip6_tnl_validate+0x80/0x80 [ 1084.287293][ T3207] rtnl_newlink+0xee5/0x1670 [ 1084.291967][ T3207] ? rtnl_newlink+0x2b1/0x1670 [ 1084.296767][ T3207] ? security_capable+0x5e/0x80 [ 1084.301700][ T3207] ? ns_capable+0x7c/0xb0 [ 1084.306040][ T3207] ? rtnl_setlink+0x300/0x300 [ 1084.310786][ T3207] rtnetlink_rcv_msg+0x807/0x8c0 [ 1084.315743][ T3207] ? nlmon_xmit+0x4b/0x60 [ 1084.320082][ T3207] ? nlmon_xmit+0x4b/0x60 [ 1084.324458][ T3207] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1084.329807][ T3207] ? kmem_cache_free+0x1d9/0x380 [ 1084.334770][ T3207] ? __kfree_skb+0x104/0x140 [ 1084.339397][ T3207] ? nlmon_xmit+0x4b/0x60 [ 1084.343731][ T3207] ? __kfree_skb+0x104/0x140 [ 1084.348335][ T3207] ? consume_skb+0x57/0x180 [ 1084.352849][ T3207] ? nlmon_xmit+0x4b/0x60 [ 1084.357262][ T3207] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1084.362555][ T3207] ? __dev_queue_xmit+0xaae/0x1d80 [ 1084.367772][ T3207] ? ref_tracker_free+0x3a1/0x400 [ 1084.372864][ T3207] netlink_rcv_skb+0x126/0x220 [ 1084.377679][ T3207] ? rtnetlink_bind+0x60/0x60 [ 1084.382462][ T3207] rtnetlink_rcv+0x1c/0x20 [ 1084.386917][ T3207] netlink_unicast+0x589/0x650 [ 1084.391717][ T3207] netlink_sendmsg+0x66e/0x770 [ 1084.396557][ T3207] ? netlink_getsockopt+0x3e0/0x3e0 [ 1084.401797][ T3207] ____sys_sendmsg+0x37c/0x4d0 [ 1084.406586][ T3207] __sys_sendmsg+0x1e9/0x270 [ 1084.411271][ T3207] __x64_sys_sendmsg+0x46/0x50 [ 1084.416049][ T3207] do_syscall_64+0x44/0x110 [ 1084.420598][ T3207] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1084.426529][ T3207] RIP: 0033:0x7f7bcc9aeae9 [ 1084.431005][ T3207] 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 [ 1084.450639][ T3207] RSP: 002b:00007f7bcbd310c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1084.459055][ T3207] RAX: ffffffffffffffda RBX: 00007f7bccacdf80 RCX: 00007f7bcc9aeae9 [ 1084.467037][ T3207] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1084.475011][ T3207] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1084.483080][ T3207] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1084.491146][ T3207] R13: 000000000000000b R14: 00007f7bccacdf80 R15: 00007ffcd1f66038 [ 1084.499227][ T3207] [ 1084.502948][ T3207] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1084.558458][ T3209] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1084.567634][ T3209] CPU: 0 PID: 3209 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1084.577659][ T3209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1084.587777][ T3209] Call Trace: [ 1084.591047][ T3209] [ 1084.593981][ T3209] dump_stack_lvl+0xda/0x130 [ 1084.598643][ T3209] dump_stack+0x15/0x20 [ 1084.602806][ T3209] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1084.607975][ T3209] kobject_add_internal+0x3eb/0x730 [ 1084.613254][ T3209] kobject_add+0xdc/0x150 [ 1084.617594][ T3209] ? kobject_get+0x95/0xc0 [ 1084.622355][ T3209] ? kobject_put+0xd8/0x160 [ 1084.626897][ T3209] ? device_add+0x2ea/0x8b0 [ 1084.631406][ T3209] device_add+0x2f8/0x8b0 [ 1084.635773][ T3209] netdev_register_kobject+0xfc/0x230 [ 1084.641165][ T3209] register_netdevice+0x65b/0xb20 [ 1084.646286][ T3209] ip6_tnl_create2+0x87/0x210 [ 1084.650964][ T3209] ip6_tnl_newlink+0x2bf/0x460 [ 1084.655803][ T3209] ? ip6_tnl_validate+0x80/0x80 [ 1084.660704][ T3209] rtnl_newlink+0xee5/0x1670 [ 1084.665381][ T3209] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1084.670734][ T3209] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1084.676992][ T3209] ? _raw_spin_unlock+0x26/0x40 [ 1084.681854][ T3209] ? __mutex_lock+0x21c/0x8d0 [ 1084.686540][ T3209] ? rtnl_setlink+0x300/0x300 [ 1084.691229][ T3209] rtnetlink_rcv_msg+0x807/0x8c0 [ 1084.696243][ T3209] ? kmem_cache_free+0x1d9/0x380 [ 1084.701233][ T3209] ? __kfree_skb+0x104/0x140 [ 1084.705900][ T3209] ? nlmon_xmit+0x4b/0x60 [ 1084.710311][ T3209] ? __kfree_skb+0x104/0x140 [ 1084.714954][ T3209] ? consume_skb+0x57/0x180 [ 1084.719533][ T3209] ? nlmon_xmit+0x4b/0x60 [ 1084.723985][ T3209] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1084.729293][ T3209] ? __dev_queue_xmit+0xaae/0x1d80 [ 1084.734416][ T3209] ? ref_tracker_free+0x3a1/0x400 [ 1084.739449][ T3209] netlink_rcv_skb+0x126/0x220 [ 1084.744261][ T3209] ? rtnetlink_bind+0x60/0x60 [ 1084.748989][ T3209] rtnetlink_rcv+0x1c/0x20 [ 1084.753417][ T3209] netlink_unicast+0x589/0x650 [ 1084.758198][ T3209] netlink_sendmsg+0x66e/0x770 [ 1084.763039][ T3209] ? netlink_getsockopt+0x3e0/0x3e0 [ 1084.768264][ T3209] ____sys_sendmsg+0x37c/0x4d0 [ 1084.773030][ T3209] __sys_sendmsg+0x1e9/0x270 [ 1084.777671][ T3209] __x64_sys_sendmsg+0x46/0x50 [ 1084.782431][ T3209] do_syscall_64+0x44/0x110 [ 1084.786939][ T3209] ? syscall_exit_to_user_mode+0x38/0x140 [ 1084.792703][ T3209] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1084.798677][ T3209] RIP: 0033:0x7fd903c48ae9 [ 1084.803083][ T3209] 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 [ 1084.822691][ T3209] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1084.831203][ T3209] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1084.839164][ T3209] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1084.847121][ T3209] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1084.855086][ T3209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1084.863045][ T3209] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1084.871088][ T3209] [ 1084.874139][ T3209] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1084.906490][ T3222] loop4: detected capacity change from 0 to 512 [ 1084.916101][ T3207] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3207 comm=syz-executor.0 [ 1084.923864][ T3219] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1084.937912][ T3219] CPU: 1 PID: 3219 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1084.947902][ T3219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1084.957944][ T3219] Call Trace: [ 1084.961218][ T3219] [ 1084.964135][ T3219] dump_stack_lvl+0xda/0x130 [ 1084.968729][ T3219] dump_stack+0x15/0x20 [ 1084.972872][ T3219] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1084.978003][ T3219] kobject_add_internal+0x3eb/0x730 [ 1084.983234][ T3219] kobject_add+0xdc/0x150 [ 1084.987671][ T3219] ? kobject_get+0x95/0xc0 [ 1084.992164][ T3219] ? kobject_put+0xd8/0x160 [ 1084.996656][ T3219] ? device_add+0x2ea/0x8b0 [ 1085.001183][ T3219] device_add+0x2f8/0x8b0 [ 1085.005516][ T3219] netdev_register_kobject+0xfc/0x230 [ 1085.010986][ T3219] register_netdevice+0x65b/0xb20 [ 1085.016018][ T3219] ip6_tnl_create2+0x87/0x210 [ 1085.020684][ T3219] ip6_tnl_newlink+0x2bf/0x460 [ 1085.025564][ T3219] ? ip6_tnl_validate+0x80/0x80 [ 1085.030461][ T3219] rtnl_newlink+0xee5/0x1670 [ 1085.035046][ T3219] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1085.040363][ T3219] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1085.046677][ T3219] ? _raw_spin_unlock+0x26/0x40 [ 1085.051561][ T3219] ? __mutex_lock+0x21c/0x8d0 [ 1085.056228][ T3219] ? rtnl_setlink+0x300/0x300 [ 1085.060902][ T3219] rtnetlink_rcv_msg+0x807/0x8c0 [ 1085.065903][ T3219] ? __rcu_read_unlock+0x4d/0x70 [ 1085.070831][ T3219] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1085.076273][ T3219] netlink_rcv_skb+0x126/0x220 [ 1085.081105][ T3219] ? rtnetlink_bind+0x60/0x60 [ 1085.085833][ T3219] rtnetlink_rcv+0x1c/0x20 [ 1085.090248][ T3219] netlink_unicast+0x589/0x650 [ 1085.095100][ T3219] netlink_sendmsg+0x66e/0x770 [ 1085.099991][ T3219] ? netlink_getsockopt+0x3e0/0x3e0 [ 1085.105187][ T3219] ____sys_sendmsg+0x37c/0x4d0 [ 1085.109941][ T3219] __sys_sendmsg+0x1e9/0x270 [ 1085.114526][ T3219] __x64_sys_sendmsg+0x46/0x50 [ 1085.119280][ T3219] do_syscall_64+0x44/0x110 [ 1085.123822][ T3219] ? syscall_exit_to_user_mode+0x38/0x140 [ 1085.129543][ T3219] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1085.135439][ T3219] RIP: 0033:0x7f7033abcae9 [ 1085.139842][ T3219] 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 [ 1085.159438][ T3219] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1085.167837][ T3219] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1085.175797][ T3219] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1085.183820][ T3219] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1085.191843][ T3219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1085.199801][ T3219] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1085.207763][ T3219] [ 1085.210886][ T3219] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x106, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1085.289587][ T3226] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1085.298868][ T3226] CPU: 0 PID: 3226 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1085.308904][ T3226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1085.318968][ T3226] Call Trace: [ 1085.322242][ T3226] [ 1085.325167][ T3226] dump_stack_lvl+0xda/0x130 [ 1085.329758][ T3226] dump_stack+0x15/0x20 [ 1085.334001][ T3226] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1085.339252][ T3226] kobject_add_internal+0x3eb/0x730 [ 1085.345044][ T3226] kobject_add+0xdc/0x150 [ 1085.349378][ T3226] ? kobject_get+0x95/0xc0 [ 1085.353866][ T3226] ? kobject_put+0xd8/0x160 [ 1085.358388][ T3226] ? device_add+0x2ea/0x8b0 [ 1085.362916][ T3226] device_add+0x2f8/0x8b0 [ 1085.367309][ T3226] netdev_register_kobject+0xfc/0x230 [ 1085.372755][ T3226] register_netdevice+0x65b/0xb20 [ 1085.377897][ T3226] ip6_tnl_create2+0x87/0x210 [ 1085.382581][ T3226] ip6_tnl_newlink+0x2bf/0x460 [ 1085.387409][ T3226] ? ip6_tnl_validate+0x80/0x80 [ 1085.392302][ T3226] rtnl_newlink+0xee5/0x1670 [ 1085.396916][ T3226] ? security_capable+0x5e/0x80 [ 1085.401856][ T3226] ? ns_capable+0x7c/0xb0 [ 1085.406193][ T3226] ? rtnl_setlink+0x300/0x300 [ 1085.410884][ T3226] rtnetlink_rcv_msg+0x807/0x8c0 [ 1085.415841][ T3226] ? security_capable+0x5e/0x80 [ 1085.420755][ T3226] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1085.426754][ T3226] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1085.431885][ T3226] ? __rcu_read_unlock+0x4d/0x70 12:35:07 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x180208a, &(0x7f0000000280)=ANY=[], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) write$P9_RVERSION(r3, &(0x7f00000001c0)={0x15, 0x65, 0xffff, 0x8, 0x8, '9P2000.u'}, 0x15) lseek(r1, 0x20400, 0x0) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r7 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r7, r6, 0x0, 0xf6c1) getsockopt$inet_buf(r6, 0x0, 0x2f, &(0x7f0000000280)=""/215, &(0x7f0000000000)=0xd7) write(r1, &(0x7f00000000c0)="19ff88b7a65430d853f83866ca6d48df92ed8c612057803c4345493eb9d5454757dfa8409d0ca50fa8259499343ae9bebb082499796d26f86f98b2e82438cace64f4e70741a2200c154e933a79378a5a57db01dbd3a4a25a63c7de88366ffdd5a0e8cfca9b7037c57f359687dfbb64d37a8689d2e23e5a86c62ecb2464d22ca2258c032d29856f2ffaf132c53df7392012747db30cff0d4cc7feccecb892e63a26d3a29d94e9c2832b458ddc9c0d8816e52d0991159bb2879b03fffac71b70ecc40b9099c10e3ab3ea7dd107bcd32a54f3f0a8caf2e575bb4fb7dc5c819a5c91a98c7d18882e516ec8ea0c7bbf034b22ccc0", 0xf2) sendfile(r1, r5, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x180208a, &(0x7f0000000280)=ANY=[], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r2, 0x800) (async) syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) (async) sendfile(r4, r3, 0x0, 0xf6c1) (async) write$P9_RVERSION(r3, &(0x7f00000001c0)={0x15, 0x65, 0xffff, 0x8, 0x8, '9P2000.u'}, 0x15) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) (async) sendfile(r7, r6, 0x0, 0xf6c1) (async) getsockopt$inet_buf(r6, 0x0, 0x2f, &(0x7f0000000280)=""/215, &(0x7f0000000000)=0xd7) (async) write(r1, &(0x7f00000000c0)="19ff88b7a65430d853f83866ca6d48df92ed8c612057803c4345493eb9d5454757dfa8409d0ca50fa8259499343ae9bebb082499796d26f86f98b2e82438cace64f4e70741a2200c154e933a79378a5a57db01dbd3a4a25a63c7de88366ffdd5a0e8cfca9b7037c57f359687dfbb64d37a8689d2e23e5a86c62ecb2464d22ca2258c032d29856f2ffaf132c53df7392012747db30cff0d4cc7feccecb892e63a26d3a29d94e9c2832b458ddc9c0d8816e52d0991159bb2879b03fffac71b70ecc40b9099c10e3ab3ea7dd107bcd32a54f3f0a8caf2e575bb4fb7dc5c819a5c91a98c7d18882e516ec8ea0c7bbf034b22ccc0", 0xf2) (async) sendfile(r1, r5, 0x0, 0x80001d00c0d0) (async) 12:35:07 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x300, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:07 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) pwrite64(0xffffffffffffffff, &(0x7f0000000280)="8daa911420706adbdbe1b0708cbc20b7267635f39d59dfbab0ed04dfe92d96952bf44ec82322f3ccf5d799610c8efe33e20df6bd602e37c3d6a69e3ed72e34a0befc1c80cd88bdebcdd594bf74182228edce54f46d24e8ae1fb830d4c8086774572044765e01db5ca37cae712c3a01c1dcccc3804ab4f2d2c432cced6e328c803007209c2d731f65824f37e164ff54151d48daa1b01b135ea59d621ac0f437ed682752fa5866d780f3fd9f4d6fd485ae314e4d358fcb03bf5032013ae21351cd30df095fa4933142", 0xc8, 0x3) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x122) ftruncate(r4, 0x800) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) lseek(r5, 0x22de, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) open(&(0x7f0000000000)='./bus\x00', 0x7c3401, 0x125) [ 1085.436851][ T3226] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1085.442176][ T3226] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1085.446589][ T3231] loop3: detected capacity change from 0 to 512 [ 1085.447552][ T3226] ? __rcu_read_unlock+0x4d/0x70 [ 1085.458735][ T3226] ? __rcu_read_unlock+0x4d/0x70 [ 1085.463685][ T3226] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1085.469060][ T3226] netlink_rcv_skb+0x126/0x220 [ 1085.473922][ T3226] ? rtnetlink_bind+0x60/0x60 [ 1085.478633][ T3226] rtnetlink_rcv+0x1c/0x20 [ 1085.483157][ T3226] netlink_unicast+0x589/0x650 [ 1085.487967][ T3226] netlink_sendmsg+0x66e/0x770 [ 1085.492779][ T3226] ? netlink_getsockopt+0x3e0/0x3e0 [ 1085.498006][ T3226] ____sys_sendmsg+0x37c/0x4d0 [ 1085.502779][ T3226] __sys_sendmsg+0x1e9/0x270 [ 1085.507437][ T3226] ? wake_up_q+0x3f/0x70 [ 1085.511701][ T3226] __x64_sys_sendmsg+0x46/0x50 [ 1085.516477][ T3226] do_syscall_64+0x44/0x110 [ 1085.520995][ T3226] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1085.526998][ T3226] RIP: 0033:0x7f7033abcae9 [ 1085.531446][ T3226] 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 [ 1085.534263][ T3222] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1437/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1085.551048][ T3226] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1085.551071][ T3226] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1085.582265][ T3226] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:35:07 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x22) (async) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r1, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) write$binfmt_elf64(r1, &(0x7f0000001080)={{0x7f, 0x45, 0x4c, 0x46, 0x3, 0x1f, 0x1, 0x5, 0x3, 0x0, 0x6, 0x9, 0x33b, 0x40, 0x1ba, 0x8, 0xb287, 0x38, 0xffff, 0x3, 0x200, 0x1ff}, [{0x4, 0x9, 0xa, 0x40, 0xfa, 0x8, 0x0, 0x4}, {0x6474e551, 0x4, 0xffffbfff, 0x2, 0x1f, 0x3, 0x0, 0xffff}], "f4eb0516b8758d4c739a07e75b03022b523fd85c178d93cb962b5ffd191216000e3e412bf978a7a97c8cd83759b9f8a899b15e140f9cb859aa717712659fa4e6411202e6febdc71918345d95a2d08a9285dd7b0bb9bf47f455e485f15ccc0203353d9b272426c9ce4bb667", ['\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00']}, 0x91b) (async) ioctl$EVIOCGABS3F(r0, 0x8018457f, &(0x7f0000000280)=""/129) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r2, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r2, r4, 0x0, 0x80001d00c0d0) [ 1085.590287][ T3226] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1085.598324][ T3226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1085.606295][ T3226] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1085.614248][ T3226] [ 1085.617370][ T3226] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1085.637135][ T3229] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1085.645111][ T3237] loop2: detected capacity change from 0 to 512 [ 1085.646279][ T3229] CPU: 1 PID: 3229 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1085.662482][ T3229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1085.672594][ T3229] Call Trace: [ 1085.675988][ T3229] [ 1085.678928][ T3229] dump_stack_lvl+0xda/0x130 [ 1085.683551][ T3229] dump_stack+0x15/0x20 [ 1085.687718][ T3229] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1085.692846][ T3229] kobject_add_internal+0x3eb/0x730 [ 1085.698051][ T3229] kobject_add+0xdc/0x150 [ 1085.702476][ T3229] ? kobject_get+0x95/0xc0 [ 1085.706906][ T3229] ? kobject_put+0xd8/0x160 [ 1085.709614][ T3239] loop4: detected capacity change from 0 to 512 [ 1085.711402][ T3229] ? device_add+0x2ea/0x8b0 [ 1085.722148][ T3229] device_add+0x2f8/0x8b0 [ 1085.726491][ T3229] netdev_register_kobject+0xfc/0x230 [ 1085.731883][ T3229] register_netdevice+0x65b/0xb20 [ 1085.736956][ T3229] ip6_tnl_create2+0x87/0x210 [ 1085.741633][ T3229] ip6_tnl_newlink+0x2bf/0x460 [ 1085.746412][ T3229] ? ip6_tnl_validate+0x80/0x80 [ 1085.751381][ T3229] rtnl_newlink+0xee5/0x1670 [ 1085.756017][ T3229] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1085.761396][ T3229] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1085.767703][ T3229] ? _raw_spin_unlock+0x26/0x40 [ 1085.772604][ T3229] ? __mutex_lock+0x21c/0x8d0 [ 1085.777291][ T3229] ? rtnl_setlink+0x300/0x300 [ 1085.782028][ T3229] rtnetlink_rcv_msg+0x807/0x8c0 [ 1085.787034][ T3229] ? kmem_cache_free+0x1d9/0x380 [ 1085.792038][ T3229] ? __kfree_skb+0x104/0x140 [ 1085.796645][ T3229] ? nlmon_xmit+0x4b/0x60 [ 1085.801002][ T3229] ? __kfree_skb+0x104/0x140 [ 1085.805614][ T3229] ? consume_skb+0x57/0x180 [ 1085.810336][ T3229] ? nlmon_xmit+0x4b/0x60 [ 1085.814742][ T3229] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1085.820035][ T3229] ? __dev_queue_xmit+0xaae/0x1d80 [ 1085.825153][ T3229] ? ref_tracker_free+0x3a1/0x400 [ 1085.830205][ T3229] ? __skb_clone+0x96/0x2f0 [ 1085.834865][ T3229] netlink_rcv_skb+0x126/0x220 12:35:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x108, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:07 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket(0x10, 0x803, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x1, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r8, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r8, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_POOL_GET(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000900)=ANY=[], 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000900)=ANY=[], 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x0) ftruncate(r2, 0x6) (async) ftruncate(r2, 0x6) sendmsg$DEVLINK_CMD_TRAP_POLICER_SET(r8, &(0x7f0000000700)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x14c, r10, 0x100, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0x2}, {0xc, 0x90, 0x8e0}}, {@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0xff}, {0xc, 0x90, 0x5}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x9}, {0xc, 0x90, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x7}, {0xc, 0x90, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x8e, 0x1}, {0xc, 0x8f, 0x7}, {0xc}}]}, 0x14c}, 0x1, 0x0, 0x0, 0x4040060}, 0x4048085) (async) sendmsg$DEVLINK_CMD_TRAP_POLICER_SET(r8, &(0x7f0000000700)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x14c, r10, 0x100, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0x2}, {0xc, 0x90, 0x8e0}}, {@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0xff}, {0xc, 0x90, 0x5}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x9}, {0xc, 0x90, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x7}, {0xc, 0x90, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x8e, 0x1}, {0xc, 0x8f, 0x7}, {0xc}}]}, 0x14c}, 0x1, 0x0, 0x0, 0x4040060}, 0x4048085) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000940)={'vxcan1\x00'}) r11 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) r12 = socket(0x10, 0x803, 0x0) sendmsg$MPTCP_PM_CMD_ANNOUNCE(r11, &(0x7f00000008c0)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000880)={&(0x7f0000000780)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x40) sendmsg$NBD_CMD_DISCONNECT(r12, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1085.839676][ T3229] ? rtnetlink_bind+0x60/0x60 [ 1085.844384][ T3229] rtnetlink_rcv+0x1c/0x20 [ 1085.848915][ T3229] netlink_unicast+0x589/0x650 [ 1085.853688][ T3229] netlink_sendmsg+0x66e/0x770 [ 1085.858469][ T3229] ? netlink_getsockopt+0x3e0/0x3e0 [ 1085.859207][ T3237] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1480/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1085.863701][ T3229] ____sys_sendmsg+0x37c/0x4d0 [ 1085.863725][ T3229] __sys_sendmsg+0x1e9/0x270 [ 1085.887951][ T3229] __x64_sys_sendmsg+0x46/0x50 [ 1085.892731][ T3229] do_syscall_64+0x44/0x110 [ 1085.897351][ T3229] ? syscall_exit_to_user_mode+0x38/0x140 [ 1085.903086][ T3229] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1085.908995][ T3229] RIP: 0033:0x7fd903c48ae9 [ 1085.913414][ T3229] 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 [ 1085.933034][ T3229] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1085.941449][ T3229] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1085.949446][ T3229] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1085.957426][ T3229] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1085.965490][ T3229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1085.973468][ T3229] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1085.981503][ T3229] [ 1085.984624][ T3229] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1085.985530][ T3237] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1086.012366][ T3249] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1086.021559][ T3249] CPU: 0 PID: 3249 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1086.031542][ T3249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1086.041651][ T3249] Call Trace: [ 1086.044927][ T3249] [ 1086.046310][ T3239] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1438/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1086.047843][ T3249] dump_stack_lvl+0xda/0x130 [ 1086.047868][ T3249] dump_stack+0x15/0x20 [ 1086.047886][ T3249] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1086.069225][ T3237] EXT4-fs error (device loop2): ext4_dirty_inode:5965: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1086.071483][ T3249] kobject_add_internal+0x3eb/0x730 [ 1086.077359][ T3237] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1086.088203][ T3249] kobject_add+0xdc/0x150 [ 1086.088222][ T3249] ? kobject_get+0x95/0xc0 [ 1086.088239][ T3249] ? kobject_put+0xd8/0x160 [ 1086.088253][ T3249] ? device_add+0x2ea/0x8b0 [ 1086.088276][ T3249] device_add+0x2f8/0x8b0 [ 1086.102161][ T3237] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3005: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1086.105667][ T3249] netdev_register_kobject+0xfc/0x230 [ 1086.118289][ T3237] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3008: inode #19: comm syz-executor.2: mark inode dirty (error -117) [ 1086.118799][ T3249] register_netdevice+0x65b/0xb20 [ 1086.127485][ T3237] EXT4-fs warning (device loop2): ext4_evict_inode:271: xattr delete (err -117) [ 1086.127638][ T3249] ip6_tnl_create2+0x87/0x210 [ 1086.127660][ T3249] ip6_tnl_newlink+0x2bf/0x460 [ 1086.181656][ T3249] ? ip6_tnl_validate+0x80/0x80 [ 1086.186523][ T3249] rtnl_newlink+0xee5/0x1670 [ 1086.191123][ T3249] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1086.196435][ T3249] ? rtnl_newlink+0x2b1/0x1670 [ 1086.201267][ T3249] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1086.207525][ T3249] ? _raw_spin_unlock+0x26/0x40 [ 1086.212392][ T3249] ? __mutex_lock+0x21c/0x8d0 [ 1086.217075][ T3249] ? rtnl_setlink+0x300/0x300 [ 1086.221763][ T3249] rtnetlink_rcv_msg+0x807/0x8c0 [ 1086.226777][ T3249] ? kmem_cache_free+0x1d9/0x380 [ 1086.231716][ T3249] ? __kfree_skb+0x104/0x140 [ 1086.236320][ T3249] ? nlmon_xmit+0x4b/0x60 [ 1086.240656][ T3249] ? __kfree_skb+0x104/0x140 [ 1086.245316][ T3249] ? consume_skb+0x57/0x180 [ 1086.249972][ T3249] ? nlmon_xmit+0x4b/0x60 [ 1086.254318][ T3249] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1086.259614][ T3249] ? __dev_queue_xmit+0xaae/0x1d80 [ 1086.264744][ T3249] ? ref_tracker_free+0x3a1/0x400 [ 1086.269797][ T3249] netlink_rcv_skb+0x126/0x220 [ 1086.274565][ T3249] ? rtnetlink_bind+0x60/0x60 [ 1086.279329][ T3249] rtnetlink_rcv+0x1c/0x20 [ 1086.283753][ T3249] netlink_unicast+0x589/0x650 [ 1086.288553][ T3249] netlink_sendmsg+0x66e/0x770 12:35:07 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x302, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:07 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x180208a, &(0x7f0000000280)=ANY=[], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) write$P9_RVERSION(r3, &(0x7f00000001c0)={0x15, 0x65, 0xffff, 0x8, 0x8, '9P2000.u'}, 0x15) lseek(r1, 0x20400, 0x0) (async) r5 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') (async) r7 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r7, r6, 0x0, 0xf6c1) (async) getsockopt$inet_buf(r6, 0x0, 0x2f, &(0x7f0000000280)=""/215, &(0x7f0000000000)=0xd7) (async) write(r1, &(0x7f00000000c0)="19ff88b7a65430d853f83866ca6d48df92ed8c612057803c4345493eb9d5454757dfa8409d0ca50fa8259499343ae9bebb082499796d26f86f98b2e82438cace64f4e70741a2200c154e933a79378a5a57db01dbd3a4a25a63c7de88366ffdd5a0e8cfca9b7037c57f359687dfbb64d37a8689d2e23e5a86c62ecb2464d22ca2258c032d29856f2ffaf132c53df7392012747db30cff0d4cc7feccecb892e63a26d3a29d94e9c2832b458ddc9c0d8816e52d0991159bb2879b03fffac71b70ecc40b9099c10e3ab3ea7dd107bcd32a54f3f0a8caf2e575bb4fb7dc5c819a5c91a98c7d18882e516ec8ea0c7bbf034b22ccc0", 0xf2) (async) sendfile(r1, r5, 0x0, 0x80001d00c0d0) [ 1086.293367][ T3249] ? netlink_getsockopt+0x3e0/0x3e0 [ 1086.298670][ T3249] ____sys_sendmsg+0x37c/0x4d0 [ 1086.303446][ T3249] __sys_sendmsg+0x1e9/0x270 [ 1086.308100][ T3249] __x64_sys_sendmsg+0x46/0x50 [ 1086.312942][ T3249] do_syscall_64+0x44/0x110 [ 1086.317528][ T3249] ? syscall_exit_to_user_mode+0x38/0x140 [ 1086.323329][ T3249] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1086.329234][ T3249] RIP: 0033:0x7f7bcc9aeae9 [ 1086.333646][ T3249] 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 [ 1086.353319][ T3249] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1086.361730][ T3249] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1086.369698][ T3249] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1086.377668][ T3249] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1086.385709][ T3249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:08 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) pwrite64(0xffffffffffffffff, &(0x7f0000000280)="8daa911420706adbdbe1b0708cbc20b7267635f39d59dfbab0ed04dfe92d96952bf44ec82322f3ccf5d799610c8efe33e20df6bd602e37c3d6a69e3ed72e34a0befc1c80cd88bdebcdd594bf74182228edce54f46d24e8ae1fb830d4c8086774572044765e01db5ca37cae712c3a01c1dcccc3804ab4f2d2c432cced6e328c803007209c2d731f65824f37e164ff54151d48daa1b01b135ea59d621ac0f437ed682752fa5866d780f3fd9f4d6fd485ae314e4d358fcb03bf5032013ae21351cd30df095fa4933142", 0xc8, 0x3) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async, rerun: 32) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 32) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x122) ftruncate(r4, 0x800) (async, rerun: 32) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) (rerun: 32) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async, rerun: 64) lseek(r5, 0x22de, 0x0) (async, rerun: 64) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) open(&(0x7f0000000000)='./bus\x00', 0x7c3401, 0x125) [ 1086.393681][ T3249] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1086.401659][ T3249] [ 1086.404781][ T3249] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1086.427951][ T3250] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1086.428642][ T3273] loop3: detected capacity change from 0 to 512 [ 1086.437083][ T3250] CPU: 0 PID: 3250 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1086.437104][ T3250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1086.437115][ T3250] Call Trace: [ 1086.466704][ T3250] [ 1086.469622][ T3250] dump_stack_lvl+0xda/0x130 [ 1086.474211][ T3250] dump_stack+0x15/0x20 [ 1086.478357][ T3250] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1086.483476][ T3250] kobject_add_internal+0x3eb/0x730 [ 1086.488665][ T3250] kobject_add+0xdc/0x150 [ 1086.493007][ T3250] ? kobject_get+0x95/0xc0 [ 1086.497429][ T3250] ? kobject_put+0xd8/0x160 [ 1086.501946][ T3250] ? device_add+0x2ea/0x8b0 [ 1086.506482][ T3250] device_add+0x2f8/0x8b0 [ 1086.510805][ T3250] netdev_register_kobject+0xfc/0x230 [ 1086.516265][ T3250] register_netdevice+0x65b/0xb20 [ 1086.521322][ T3250] ip6_tnl_create2+0x87/0x210 [ 1086.525987][ T3250] ip6_tnl_newlink+0x2bf/0x460 [ 1086.530758][ T3250] ? ip6_tnl_validate+0x80/0x80 [ 1086.535608][ T3250] rtnl_newlink+0xee5/0x1670 [ 1086.540216][ T3250] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1086.545498][ T3250] ? rtnl_newlink+0x2b1/0x1670 [ 1086.550258][ T3250] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1086.556607][ T3250] ? _raw_spin_unlock+0x26/0x40 [ 1086.561486][ T3250] ? __mutex_lock+0x21c/0x8d0 [ 1086.566151][ T3250] ? rtnl_setlink+0x300/0x300 [ 1086.570822][ T3250] rtnetlink_rcv_msg+0x807/0x8c0 [ 1086.575790][ T3250] ? kmem_cache_free+0x1d9/0x380 [ 1086.580719][ T3250] ? __kfree_skb+0x104/0x140 [ 1086.585304][ T3250] ? nlmon_xmit+0x4b/0x60 [ 1086.589623][ T3250] ? __kfree_skb+0x104/0x140 [ 1086.594227][ T3250] ? consume_skb+0x57/0x180 [ 1086.598726][ T3250] ? nlmon_xmit+0x4b/0x60 [ 1086.603044][ T3250] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1086.608320][ T3250] ? __dev_queue_xmit+0xaae/0x1d80 [ 1086.613469][ T3250] ? ref_tracker_free+0x3a1/0x400 [ 1086.618495][ T3250] netlink_rcv_skb+0x126/0x220 [ 1086.623311][ T3250] ? rtnetlink_bind+0x60/0x60 [ 1086.628017][ T3250] rtnetlink_rcv+0x1c/0x20 [ 1086.632429][ T3250] netlink_unicast+0x589/0x650 [ 1086.637189][ T3250] netlink_sendmsg+0x66e/0x770 [ 1086.642031][ T3250] ? netlink_getsockopt+0x3e0/0x3e0 [ 1086.647224][ T3250] ____sys_sendmsg+0x37c/0x4d0 [ 1086.651980][ T3250] __sys_sendmsg+0x1e9/0x270 [ 1086.656627][ T3250] __x64_sys_sendmsg+0x46/0x50 [ 1086.661378][ T3250] do_syscall_64+0x44/0x110 [ 1086.665870][ T3250] ? syscall_exit_to_user_mode+0x38/0x140 [ 1086.671678][ T3250] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1086.677640][ T3250] RIP: 0033:0x7f7bcc9aeae9 [ 1086.682040][ T3250] 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 [ 1086.701636][ T3250] RSP: 002b:00007f7bcbcef0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1086.710035][ T3250] RAX: ffffffffffffffda RBX: 00007f7bccace120 RCX: 00007f7bcc9aeae9 [ 1086.717991][ T3250] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1086.726004][ T3250] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1086.733960][ T3250] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1086.741929][ T3250] R13: 000000000000006e R14: 00007f7bccace120 R15: 00007ffcd1f66038 [ 1086.749966][ T3250] [ 1086.753075][ T3250] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1086.773519][ T3253] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1086.782698][ T3253] CPU: 0 PID: 3253 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1086.792718][ T3253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1086.802784][ T3253] Call Trace: [ 1086.806062][ T3253] [ 1086.808993][ T3253] dump_stack_lvl+0xda/0x130 [ 1086.813598][ T3253] dump_stack+0x15/0x20 [ 1086.817763][ T3253] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1086.822949][ T3253] kobject_add_internal+0x3eb/0x730 [ 1086.828235][ T3253] kobject_add+0xdc/0x150 [ 1086.832583][ T3253] ? kobject_get+0x95/0xc0 [ 1086.837115][ T3253] ? kobject_put+0xd8/0x160 [ 1086.841616][ T3253] ? device_add+0x2ea/0x8b0 [ 1086.846128][ T3253] device_add+0x2f8/0x8b0 [ 1086.850527][ T3253] netdev_register_kobject+0xfc/0x230 [ 1086.855926][ T3253] register_netdevice+0x65b/0xb20 [ 1086.860965][ T3253] ip6_tnl_create2+0x87/0x210 [ 1086.865646][ T3253] ip6_tnl_newlink+0x2bf/0x460 [ 1086.870456][ T3253] ? ip6_tnl_validate+0x80/0x80 [ 1086.875342][ T3253] rtnl_newlink+0xee5/0x1670 [ 1086.879942][ T3253] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1086.885300][ T3253] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1086.891640][ T3253] ? _raw_spin_unlock+0x26/0x40 [ 1086.896498][ T3253] ? __mutex_lock+0x21c/0x8d0 [ 1086.901185][ T3253] ? rtnl_setlink+0x300/0x300 [ 1086.905945][ T3253] rtnetlink_rcv_msg+0x807/0x8c0 [ 1086.911028][ T3253] ? __rcu_read_unlock+0x4d/0x70 [ 1086.915970][ T3253] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1086.921351][ T3253] netlink_rcv_skb+0x126/0x220 [ 1086.926171][ T3253] ? rtnetlink_bind+0x60/0x60 [ 1086.930926][ T3253] rtnetlink_rcv+0x1c/0x20 [ 1086.935407][ T3253] netlink_unicast+0x589/0x650 [ 1086.940188][ T3253] netlink_sendmsg+0x66e/0x770 [ 1086.944971][ T3253] ? netlink_getsockopt+0x3e0/0x3e0 [ 1086.950254][ T3253] ____sys_sendmsg+0x37c/0x4d0 [ 1086.955034][ T3253] __sys_sendmsg+0x1e9/0x270 [ 1086.959640][ T3253] __x64_sys_sendmsg+0x46/0x50 [ 1086.964460][ T3253] do_syscall_64+0x44/0x110 [ 1086.969044][ T3253] ? syscall_exit_to_user_mode+0x38/0x140 [ 1086.974775][ T3253] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1086.980708][ T3253] RIP: 0033:0x7f7033abcae9 [ 1086.985116][ T3253] 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 [ 1087.004735][ T3253] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1087.013165][ T3253] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1087.021182][ T3253] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1087.029155][ T3253] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1087.037186][ T3253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1087.045169][ T3253] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1087.053137][ T3253] [ 1087.056260][ T3253] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1087.076334][ T3272] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1087.085542][ T3272] CPU: 0 PID: 3272 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1087.095518][ T3272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1087.105648][ T3272] Call Trace: [ 1087.108934][ T3272] [ 1087.111868][ T3272] dump_stack_lvl+0xda/0x130 [ 1087.116473][ T3272] dump_stack+0x15/0x20 [ 1087.120698][ T3272] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1087.125878][ T3272] kobject_add_internal+0x3eb/0x730 [ 1087.131089][ T3272] kobject_add+0xdc/0x150 [ 1087.135428][ T3272] ? kobject_get+0x95/0xc0 [ 1087.139843][ T3272] ? kobject_put+0xd8/0x160 [ 1087.144351][ T3272] ? device_add+0x2ea/0x8b0 [ 1087.148929][ T3272] device_add+0x2f8/0x8b0 [ 1087.153486][ T3272] netdev_register_kobject+0xfc/0x230 [ 1087.158865][ T3272] register_netdevice+0x65b/0xb20 [ 1087.163903][ T3272] ip6_tnl_create2+0x87/0x210 [ 1087.168582][ T3272] ip6_tnl_newlink+0x2bf/0x460 [ 1087.173364][ T3272] ? ip6_tnl_validate+0x80/0x80 [ 1087.178243][ T3272] rtnl_newlink+0xee5/0x1670 [ 1087.182844][ T3272] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1087.188149][ T3272] ? __list_del_entry_valid_or_report+0x5f/0xe0 12:35:08 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x114, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1087.194439][ T3272] ? _raw_spin_unlock+0x26/0x40 [ 1087.199325][ T3272] ? __mutex_lock+0x21c/0x8d0 [ 1087.204056][ T3272] ? rtnl_setlink+0x300/0x300 [ 1087.208791][ T3272] rtnetlink_rcv_msg+0x807/0x8c0 [ 1087.213752][ T3272] ? kmem_cache_free+0x1d9/0x380 [ 1087.218879][ T3272] ? __kfree_skb+0x104/0x140 [ 1087.223482][ T3272] ? nlmon_xmit+0x4b/0x60 [ 1087.227822][ T3272] ? __kfree_skb+0x104/0x140 [ 1087.232494][ T3272] ? consume_skb+0x57/0x180 [ 1087.237065][ T3272] ? nlmon_xmit+0x4b/0x60 [ 1087.241406][ T3272] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1087.246732][ T3272] ? __dev_queue_xmit+0xaae/0x1d80 [ 1087.251854][ T3272] ? ref_tracker_free+0x3a1/0x400 [ 1087.256892][ T3272] netlink_rcv_skb+0x126/0x220 [ 1087.261735][ T3272] ? rtnetlink_bind+0x60/0x60 [ 1087.266423][ T3272] rtnetlink_rcv+0x1c/0x20 [ 1087.270860][ T3272] netlink_unicast+0x589/0x650 [ 1087.275668][ T3272] netlink_sendmsg+0x66e/0x770 [ 1087.280481][ T3272] ? netlink_getsockopt+0x3e0/0x3e0 [ 1087.285695][ T3272] ____sys_sendmsg+0x37c/0x4d0 [ 1087.290525][ T3272] __sys_sendmsg+0x1e9/0x270 [ 1087.295255][ T3272] __x64_sys_sendmsg+0x46/0x50 [ 1087.300038][ T3272] do_syscall_64+0x44/0x110 [ 1087.304558][ T3272] ? syscall_exit_to_user_mode+0x38/0x140 [ 1087.310364][ T3272] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1087.316350][ T3272] RIP: 0033:0x7fd903c48ae9 [ 1087.320764][ T3272] 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 [ 1087.340439][ T3272] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1087.348916][ T3272] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1087.356890][ T3272] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1087.364856][ T3272] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1087.372879][ T3272] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1087.380857][ T3272] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1087.388901][ T3272] [ 1087.392059][ T3272] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1087.420508][ T3280] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1087.429763][ T3280] CPU: 1 PID: 3280 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1087.439843][ T3280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1087.449935][ T3280] Call Trace: [ 1087.453302][ T3280] [ 1087.456268][ T3280] dump_stack_lvl+0xda/0x130 [ 1087.460876][ T3280] dump_stack+0x15/0x20 [ 1087.465036][ T3280] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1087.470164][ T3280] kobject_add_internal+0x3eb/0x730 [ 1087.475364][ T3280] kobject_add+0xdc/0x150 [ 1087.479699][ T3280] ? kobject_get+0x95/0xc0 [ 1087.484194][ T3280] ? kobject_put+0xd8/0x160 [ 1087.488767][ T3280] ? device_add+0x2ea/0x8b0 [ 1087.490756][ T3284] loop2: detected capacity change from 0 to 512 [ 1087.493275][ T3280] device_add+0x2f8/0x8b0 [ 1087.503832][ T3280] netdev_register_kobject+0xfc/0x230 [ 1087.509263][ T3280] register_netdevice+0x65b/0xb20 [ 1087.514300][ T3280] ip6_tnl_create2+0x87/0x210 [ 1087.519019][ T3280] ip6_tnl_newlink+0x2bf/0x460 [ 1087.523811][ T3280] ? ip6_tnl_validate+0x80/0x80 [ 1087.528664][ T3280] rtnl_newlink+0xee5/0x1670 [ 1087.533305][ T3280] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1087.538595][ T3280] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1087.544833][ T3280] ? _raw_spin_unlock+0x26/0x40 [ 1087.549732][ T3280] ? __mutex_lock+0x21c/0x8d0 [ 1087.554471][ T3280] ? rtnl_setlink+0x300/0x300 [ 1087.559144][ T3280] rtnetlink_rcv_msg+0x807/0x8c0 [ 1087.564168][ T3280] ? __rcu_read_unlock+0x4d/0x70 [ 1087.569097][ T3280] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1087.574458][ T3280] netlink_rcv_skb+0x126/0x220 [ 1087.579282][ T3280] ? rtnetlink_bind+0x60/0x60 [ 1087.583995][ T3280] rtnetlink_rcv+0x1c/0x20 [ 1087.588438][ T3280] netlink_unicast+0x589/0x650 [ 1087.593241][ T3280] netlink_sendmsg+0x66e/0x770 [ 1087.598004][ T3280] ? netlink_getsockopt+0x3e0/0x3e0 [ 1087.603315][ T3280] ____sys_sendmsg+0x37c/0x4d0 [ 1087.608068][ T3280] __sys_sendmsg+0x1e9/0x270 [ 1087.612694][ T3280] __x64_sys_sendmsg+0x46/0x50 [ 1087.617477][ T3280] do_syscall_64+0x44/0x110 [ 1087.622057][ T3280] ? syscall_exit_to_user_mode+0x38/0x140 [ 1087.627830][ T3280] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1087.633738][ T3280] RIP: 0033:0x7f7033abcae9 [ 1087.638139][ T3280] 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 [ 1087.657742][ T3280] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1087.666162][ T3280] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1087.674176][ T3280] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1087.682215][ T3280] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1087.690226][ T3280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:09 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x304, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:09 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async, rerun: 32) r1 = socket$nl_route(0x10, 0x3, 0x0) (async, rerun: 32) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x1, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) r8 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r8, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) (async) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r8, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) (async) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$DEVLINK_CMD_SB_POOL_GET(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000900)=ANY=[], 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x0) ftruncate(r2, 0x6) (async) sendmsg$DEVLINK_CMD_TRAP_POLICER_SET(r8, &(0x7f0000000700)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x14c, r10, 0x100, 0x70bd29, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0x2}, {0xc, 0x90, 0x8e0}}, {@pci={{0x8}, {0x11}}, {0x8, 0x8e, 0x3}, {0xc, 0x8f, 0xff}, {0xc, 0x90, 0x5}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x9}, {0xc, 0x90, 0x1}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}, {0xc, 0x8f, 0x7}, {0xc, 0x90, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x8e, 0x1}, {0xc, 0x8f, 0x7}, {0xc}}]}, 0x14c}, 0x1, 0x0, 0x0, 0x4040060}, 0x4048085) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000940)={'vxcan1\x00'}) r11 = socket$nl_route(0x10, 0x3, 0x0) (async, rerun: 32) socket$nl_route(0x10, 0x3, 0x0) (rerun: 32) r12 = socket(0x10, 0x803, 0x0) sendmsg$MPTCP_PM_CMD_ANNOUNCE(r11, &(0x7f00000008c0)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000880)={&(0x7f0000000780)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x40) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r12, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (rerun: 64) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:35:09 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") listxattr(&(0x7f0000000100)='./file0\x00', &(0x7f0000000280)=""/166, 0xa6) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)=@generic={&(0x7f0000000000)='./file0\x00', 0x0, 0x4}, 0x18) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1087.698183][ T3280] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1087.706213][ T3280] [ 1087.719696][ T3280] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:09 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r5 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0xee00, r7, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001080)={0x2398, 0x24, 0x400, 0x70bd2a, 0x25dfdbfd, {0x4}, [@typed={0xc, 0x42, 0x0, 0x0, @u64=0x279}, @generic="34ddcec3313ee13098a87fbeb8300fa3f11d21cadc3a813e763c7c76a0a176e9a41bcd9e8ee32731a3792ee5c30f9b591d1a0e593d70166b662c5204ec437b52bcf8b7f72b117c5a8cf62f59466775", @nested={0x20, 0x27, 0x0, 0x1, [@typed={0x8, 0x6d, 0x0, 0x0, @pid=r6}, @typed={0x14, 0x5a, 0x0, 0x0, @ipv6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, @generic="737015e5aab5ffe22451dcc53c1678cc554b973b8ffa39c863efb18b0ffbfe2508e3cfef2584fa20b0e9a3f2dc870286f1a65f67d20e811e3e2ac901182f1d9a2f2ed4504dfdc0b5b7dba4a2958cbd7435704ef4e7915fb55594f4e3911aa64f4a21365a39b80731a3fc7f6ab335f1f07caa76f145d0ce60da1f7d6cd82694244cb523dd84ecb2a99d42be2d779388007a7022e2917e1ea4499c23e56dc1d9a3a541d31db53520c2c02c7106cf57562c7594e3d6937877df9f52405bbcf15feb40d26f1dbf7feee1644aa150ec8045c5b90606a3cd20081a90d6344004433db0c99210992a1670cf152f559a28a318d23870e68abc6938af5277b5320b15691592a61d1e549ec24847fe9ba2469876ec512a66c3720160abcc7ae31fd12529e925dd8d5781756e6af2b26c6086e537930dea87ccf2f224b2e28542439cdbaa3ff1c88dd70c7d2edf4fe9afbdfeabba2d527f0e6f64c2948f58be833641c02cb2e5ec9f2d15b54c9d6bf6007bb6f2dea1b5b08e09e2d737a33563d8fde957791cb8b26ae83a0158e892330ed36cc99c545eb8834a7323f0be689771872bb3a0eb820eab4f264b4ad2b4e240cc7003fd2b20dc9210809cee07b041ddf5440dd8869f73770c1ce8d0f11fddfd19292825ae9cd0d46a9f0eb3cbaf277cdf311c18ee4578be36b27012253c5bb26fc243ba7a2d3f32b10f13bb8b9db4bd39c1594691011e33f525168652bdabb42548767b95679793609aa65bbbff3f29ad1ea1256d1baa70ce39034644dfa8689f9690494957b04df9c095efd92c2f3609456e598d8a436c305eb36d416ce3b5560b70f29c6c98172205c9d8ce03a051217485bd2e9e6864b92564a5b8e13484c04db98d82fd7d282e284f7db08d1c821077b517e685859fb38dddf8e88cd956b485ecde6bc317193df6bc1f96125c3427028a64cb833309d04733d9a7990c3a0614e827d55cd10292e08501a067a8c5d2e71752474d5637ccc887cd920330ac902a36fd54301564bcddeb48ab109d49d63fbe4d7164bfad585751b8510e6d55f373b91d935e685a50b5d1155bc15f4020319be65fbb005de8e730d57bb80fba8d901886bb26e4f5c66d9df526a5fe067117a862bb68d7b452df8887bf05a18f162e6466de74224d3eef411ed71b14e96ce3d34013db684a78103165040882c95eac5d4191fd70cd29999763bfb92116c06b7585854389b66bc0c81220cc9f4398baeb720e58042bd6bb85107133c45455e576a3b35f8ad4a9a396b97063fa7d08f6ae4824d10c5292a5b290db6dcf1cf28f2f2bcf3450ee26ba259c6e80c21a32d3bdb7b74a92a26d93dbc331661d437bc7409b0dc2fbff17472d236c9768247cc4c5b907f8db601aa3ff2a02f5dc2e96e7a452b5079bfd9fbd35d4dbde1f70b59fdb13ab2ae709217c471021e980f580a613a5a0a109b7819c00a4ca3d022cb1232ec7073c4d11dd84d63886bd9504ff9a699e252e9ef012af3e8e1503a217309a3d56fe8c3c425361935437e68281c0334652ac56325800ae02665a32cd84acb09d4e6d530e1a5a8bcbbc02b9c5bb8bb8f3ee42af3065f33f20ea216a6d475e37e70aed1cd6ea50121c83125ff64c6239df588db9c9d364da01c9f01a9b64eae52fbffb64ad84953e936fe69f9903c2774f3bd2673d3cb14612f3fcbf2326286382cc98674b73f4f093f39f0fd2e38eb890eb551fae4cc7d13994a466eadd903454c3988bea2a2866c4ddb08919799b32dbac3e8d988eeef79be7b7db4b90b382c51016cd21d8f45cddcce6371346733f04a796df33b8505455eea92d23870968cee90272a39b98069da00b7303d413c87576145e731ad96551683cb66a262f3597bdcf3b935acefef7e99fb34c7957efe7afbabe3a9599a51ae463a43b75f57a51d9b014b1820ed2c35e28b973eeb54897fc096eb0f6018b6146751173534ba43eae1526a5f7d39035468f2071df5f069aa373c4d029c9d99adb89b4ef0c7ac6a0bdccb00707c3a6f8d9e504030848be26429b63ae2594c6a397776869f8b01fb8e139423567d648aad2ac1dd5e3929de90710221db734bc02b3c03e526b9e792a9f445a4b85074ce1aac869ba40c307d80823235f93cdbf203541aa06226f4a7b007d4adf2a34a087765587f83e20e3ae954467bc479319f84c4ca851461930f7bbf12981a14c2c178754c7719e4e4a03dbabfd71bbe2c5290a3874978099d9827d6eefbe8ebdd98f545d18e5000dd4884dc56a39331803d2d2c8be240218330293daa2c75b11e0b53bcde49abc1b0920f17bb9cb321e0e768e9b2be62511e40f9e39577f8e7ad7c3e8030a1672edb54264ddb317b7a6111f4b4a3237a2799c5d9830b007248b5c2ed1c20b35af40c1184c14ff0807b5c50d520cb289afb8e50c9495aa7d09b05f83a6503d23f4b0a30efa9169a829a6f632cb3c1a65341b79a8d623e70c6ec9503f1513b78bb4a47dd2b8580d2eb0600916d1c463cea525f2c6d36cd0a7f5d2612f06d4dbaec999bf864e68bb8790714794843579ad20a1a2b046fc90dab137260d985b1f8ce0feaa1c4ddaa075497285c1bced3fa501d3a30d9c6696279922a7a3da9452ed32b27585c00a067eac8558c14730a9a89983d3e49e1be6432e90f6cfb80adb0597421dda99720d5a18b066cf5f69f06ba425eaf222631f556339bcaf82019ffff9ee875a23fcad7159f3cc3fff9f6e3045a88572129f710ee5b59efbbefe96ab8f91614b18576a45a0c9a6419176fe802a2a919bc960c58216da7923360c7fa13ff84fe2160246a07f9412a6f8b8c4906f98ef52242136617bb9dc3dc2ebaefac43ab51d1b9bf411d548632cc9c902c3067b453b9e685f14f15658e2fbd6c86c16634c3562371bf53cbc76f8a76f3dd35ee852a0bf909d225dd91b1941a10b5c3fbd8aa9c0681a470f6d3ad9ced6ad8a2a59294960a826267d95542f8925a77f6808abac31c0c62af55943dce5849a745d7d2d75020bea31b34d0dcf17ce28e7c87c32682905d82ed64889421c615c211fc83ad8ccc2f4afa645c7ed2426da8fbaee29c59e1fd5da372963c7e7f6981f98d37004c913bb3b2f3283209d17846e3e1a30d2387dd9a527e98771c37d2299c4c293f425ba1fc657807fe10f7511ba9c334a8316832cf8a0255007bf61f2a4b22307ee1b6e82d41a5757faaa03ce377e24db5330d838ed088dd92787f423507460984e4dcca2189c327635eed4feb204c894914f9e7167c9b763abeeae607825fc70e0ca0cb524a69c401c49e592328402f74c312939c6c9540be7565c073f77b96561cca874881160ad4fed8562622fa82ce2a26dd7d68686ac26f4edf44da55bcf7f180168bcfd56884ab0c033640e1d037cddbe927ba2fbe29105907c49896a2d7865b9e08965fc56219d3bee3d20c9e487b36d383d222b0684db63cbdc625efcc52c35476ffddecc3d5b39e4cbd20d58300fd09267c088f3ca5046bf1df212feceee1ec107351db9407b9f82b9dce19c2c67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@generic="ca48eff8b206628c0661c606409360b128", @nested={0x1213, 0x5d, 0x0, 0x1, [@typed={0x9, 0x82, 0x0, 0x0, @str='ext4\x00'}, @generic="a87d2be7ab2ae6075aadebd02d634b770e28ea2d05b02b6d5053771fdf956c9b9f8eaa13fd1081f30828ca49b49d0c", @generic="a93fac7c82f4a36d3e5bb0188e2081f5c952ab1ff776d4c70a381c1bedd6728fd17c211f13b90a8376dd641cde4fa52cfaa4484c4529cc3dd33a83ad7676fa964c8611587d1da3b9560e1d52820eae499d52e922116fe6ae8538324f072c31569afad70204277c636c07f2c05bd64151f4f12ae35a7c20ba88972365f7466682f4ff585ab3297b692265a623af1a5ae6490933e0ae169737401bb6bcc4461c5f7b3627cc6c7c3ca89024148a1e0d09cb31b6c30f1021f09b07f5f31102b957febd3e7fa2d03ae879ce0dca764f0e07747add23a4d2d07abba4c40afa4a0816bacdeb010301ab2c7a8c527b33ae", @generic="f3cd21e108ac9f6127fd9e74ba1f263a03eb92ce19cdd66f1f4d7fc59ada4b8c937cbf699136910c219917649b5d9da5cb11d935e514e686d982b8882e46a0fb8f589fce3599733c1bd50916709791c2361ee40ce03afc4a8601f1aa458e29b42adcef7569df81bdd5d31117d734ba4a4e78704a4b4da8bd7b9e561b345640ee205f", @typed={0x14, 0x25, 0x0, 0x0, @ipv6=@private0={0xfc, 0x0, '\x00', 0x1}}, @generic="c52d0ed66dfe704e861b9e56e98691be8a768f05d0dd187b73df938039030c1f44184b67de89b9292c3f75cc403e2f3a6c574e43a40ee186805a2e296c05b33d9f9ec7d3cc04655c93", @generic="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@typed={0x8, 0x81, 0x0, 0x0, @uid=r7}]}, @nested={0xe1, 0x53, 0x0, 0x1, [@generic="ca299bd0794943c784acb99053a6ec6e94ef77a25210320a483a65f758789e5b7d17dc6495eab065f4145ef1bf071229b443d1726db87f9a6f3cdfd96c769aa9ec86d21448c0b4a1bf874b9b6248253033419f7efe56c1d06660e66a9fb70104dca2060f685521121609b39754ec3260cfee660e355b70cbcc62f615cd09da747db9b919907f050537c9fcfeff3b9aabc67fd3c575751c703272fde2e0098e5194db577ed83b1ee70b201d8a4aba51d0464d0bf14307c2142b936bd7ba", @typed={0x16, 0x67, 0x0, 0x0, @str='/dev/input/event#\x00'}, @typed={0x8, 0x2, 0x0, 0x0, @u32=0x6}]}]}, 0x2398}, 0x1, 0x0, 0x0, 0x4000044}, 0x0) quotactl_fd$Q_QUOTAON(r4, 0xffffffff80000200, r7, &(0x7f0000000000)='./file0\x00') ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000100)) accept(r5, &(0x7f0000000340)=@in6={0xa, 0x0, 0x0, @initdev}, &(0x7f00000003c0)=0x80) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 12:35:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x116, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:09 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000002800)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @ipip={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8}, @IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast1}]}}}]}, 0x44}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000280)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @ipip={{0x9}, {0x4}}}]}, 0x34}}, 0x0) bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000001740)={0x9c02, 0x0}, 0x8) r7 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000000008500000023000000950000000000000000"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r7}, 0x10) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, r6, r7, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r9], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f00000005c0)={@local, 0x0}, &(0x7f0000000600)=0x14) sendmsg$ETHTOOL_MSG_EEE_GET(r2, &(0x7f00000007c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000780)={&(0x7f0000000640)={0x10c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nr0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x87c9af78a64b9e}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bond\x00'}]}]}, 0x10c}, 0x1, 0x0, 0x0, 0x4080}, 0x40000) r11 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r12 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2d, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r11, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r12], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x7}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r13 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1087.750236][ T3293] loop3: detected capacity change from 0 to 512 [ 1087.782115][ T3296] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1087.791320][ T3296] CPU: 0 PID: 3296 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1087.801323][ T3296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1087.811374][ T3296] Call Trace: [ 1087.814746][ T3296] [ 1087.817719][ T3296] dump_stack_lvl+0xda/0x130 [ 1087.822399][ T3296] dump_stack+0x15/0x20 [ 1087.826568][ T3296] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1087.831754][ T3296] kobject_add_internal+0x3eb/0x730 [ 1087.837026][ T3296] kobject_add+0xdc/0x150 [ 1087.841431][ T3296] ? kobject_get+0x95/0xc0 [ 1087.845900][ T3296] ? kobject_put+0xd8/0x160 12:35:09 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x314, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1087.850472][ T3296] ? device_add+0x2ea/0x8b0 [ 1087.854993][ T3296] device_add+0x2f8/0x8b0 [ 1087.859333][ T3296] netdev_register_kobject+0xfc/0x230 [ 1087.864731][ T3296] register_netdevice+0x65b/0xb20 [ 1087.869784][ T3296] ip6_tnl_create2+0x87/0x210 [ 1087.874474][ T3296] ip6_tnl_newlink+0x2bf/0x460 [ 1087.879263][ T3296] ? ip6_tnl_validate+0x80/0x80 [ 1087.884138][ T3296] rtnl_newlink+0xee5/0x1670 [ 1087.888768][ T3296] ? security_capable+0x5e/0x80 [ 1087.893630][ T3296] ? ns_capable+0x7c/0xb0 [ 1087.897972][ T3296] ? rtnl_setlink+0x300/0x300 [ 1087.902737][ T3296] rtnetlink_rcv_msg+0x807/0x8c0 [ 1087.907751][ T3296] ? security_capable+0x5e/0x80 [ 1087.912610][ T3296] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1087.916878][ T3284] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1481/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1087.918642][ T3296] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1087.938594][ T3296] ? __rcu_read_unlock+0x4d/0x70 [ 1087.942421][ T3293] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1470/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1087.943594][ T3296] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1087.963677][ T3296] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1087.969060][ T3296] ? __rcu_read_unlock+0x4d/0x70 [ 1087.974007][ T3296] ? __rcu_read_unlock+0x4d/0x70 [ 1087.978941][ T3296] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1087.984382][ T3296] netlink_rcv_skb+0x126/0x220 [ 1087.989140][ T3296] ? rtnetlink_bind+0x60/0x60 [ 1087.993830][ T3296] rtnetlink_rcv+0x1c/0x20 [ 1087.998311][ T3296] netlink_unicast+0x589/0x650 [ 1088.003112][ T3296] netlink_sendmsg+0x66e/0x770 [ 1088.007944][ T3296] ? netlink_getsockopt+0x3e0/0x3e0 [ 1088.013164][ T3296] ____sys_sendmsg+0x37c/0x4d0 [ 1088.017995][ T3296] __sys_sendmsg+0x1e9/0x270 [ 1088.022586][ T3296] __x64_sys_sendmsg+0x46/0x50 [ 1088.027339][ T3296] do_syscall_64+0x44/0x110 [ 1088.031870][ T3296] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1088.037786][ T3296] RIP: 0033:0x7f7033abcae9 [ 1088.042187][ T3296] 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 [ 1088.061919][ T3296] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1088.070365][ T3296] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1088.078403][ T3296] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1088.086542][ T3296] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1088.094577][ T3296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1088.102546][ T3296] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1088.110572][ T3296] [ 1088.113741][ T3296] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1088.136166][ T3301] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' 12:35:09 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) listxattr(&(0x7f0000000100)='./file0\x00', &(0x7f0000000280)=""/166, 0xa6) (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)=@generic={&(0x7f0000000000)='./file0\x00', 0x0, 0x4}, 0x18) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 12:35:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x122, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1088.145351][ T3301] CPU: 0 PID: 3301 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1088.155415][ T3301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1088.163388][ T3311] loop4: detected capacity change from 0 to 512 [ 1088.165461][ T3301] Call Trace: [ 1088.165469][ T3301] [ 1088.165475][ T3301] dump_stack_lvl+0xda/0x130 [ 1088.165500][ T3301] dump_stack+0x15/0x20 [ 1088.180471][ T3299] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3299 comm=syz-executor.0 [ 1088.182517][ T3301] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1088.204430][ T3301] kobject_add_internal+0x3eb/0x730 [ 1088.208159][ T3313] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1088.209703][ T3301] kobject_add+0xdc/0x150 [ 1088.209726][ T3301] ? kobject_get+0x95/0xc0 [ 1088.222242][ T3313] EXT4-fs error (device loop2): ext4_dirty_inode:5965: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1088.226141][ T3301] ? kobject_put+0xd8/0x160 [ 1088.226162][ T3301] ? device_add+0x2ea/0x8b0 [ 1088.231224][ T3313] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1088.242161][ T3301] device_add+0x2f8/0x8b0 [ 1088.242194][ T3301] netdev_register_kobject+0xfc/0x230 [ 1088.247181][ T3313] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3005: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1088.251152][ T3301] register_netdevice+0x65b/0xb20 [ 1088.264098][ T3313] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3008: inode #19: comm syz-executor.2: mark inode dirty (error -117) [ 1088.267594][ T3301] ip6_tnl_create2+0x87/0x210 [ 1088.267620][ T3301] ip6_tnl_newlink+0x2bf/0x460 [ 1088.273174][ T3313] EXT4-fs warning (device loop2): ext4_evict_inode:271: xattr delete (err -117) [ 1088.285268][ T3301] ? ip6_tnl_validate+0x80/0x80 [ 1088.298679][ T3311] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1439/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1088.303289][ T3301] rtnl_newlink+0xee5/0x1670 [ 1088.346014][ T3301] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1088.351288][ T3301] ? rtnl_newlink+0x2b1/0x1670 [ 1088.356048][ T3301] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1088.362389][ T3301] ? _raw_spin_unlock+0x26/0x40 [ 1088.367227][ T3301] ? __mutex_lock+0x21c/0x8d0 [ 1088.371894][ T3301] ? rtnl_setlink+0x300/0x300 [ 1088.376557][ T3301] rtnetlink_rcv_msg+0x807/0x8c0 [ 1088.381529][ T3301] ? kmem_cache_free+0x1d9/0x380 [ 1088.386450][ T3301] ? __kfree_skb+0x104/0x140 [ 1088.391024][ T3301] ? nlmon_xmit+0x4b/0x60 [ 1088.395352][ T3301] ? __kfree_skb+0x104/0x140 [ 1088.399999][ T3301] ? consume_skb+0x57/0x180 [ 1088.404496][ T3301] ? nlmon_xmit+0x4b/0x60 [ 1088.408897][ T3301] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1088.414173][ T3301] ? __dev_queue_xmit+0xaae/0x1d80 [ 1088.419279][ T3301] ? ref_tracker_free+0x3a1/0x400 [ 1088.424294][ T3301] netlink_rcv_skb+0x126/0x220 [ 1088.429053][ T3301] ? rtnetlink_bind+0x60/0x60 [ 1088.433733][ T3301] rtnetlink_rcv+0x1c/0x20 [ 1088.438202][ T3301] netlink_unicast+0x589/0x650 [ 1088.442955][ T3301] netlink_sendmsg+0x66e/0x770 [ 1088.447710][ T3301] ? netlink_getsockopt+0x3e0/0x3e0 [ 1088.452896][ T3301] ____sys_sendmsg+0x37c/0x4d0 [ 1088.457671][ T3301] __sys_sendmsg+0x1e9/0x270 [ 1088.462248][ T3301] __x64_sys_sendmsg+0x46/0x50 [ 1088.465849][ T27] audit: type=1400 audit(1699014910.058:399): avc: denied { accept } for pid=3310 comm="syz-executor.4" lport=58 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 1088.466987][ T3301] do_syscall_64+0x44/0x110 [ 1088.467014][ T3301] ? syscall_exit_to_user_mode+0x38/0x140 [ 1088.497782][ T3301] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1088.503701][ T3301] RIP: 0033:0x7f7bcc9aeae9 [ 1088.508100][ T3301] 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 [ 1088.527741][ T3301] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1088.536208][ T3301] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1088.544161][ T3301] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 12:35:10 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async, rerun: 32) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) (rerun: 32) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) pwrite64(0xffffffffffffffff, &(0x7f0000000280)="8daa911420706adbdbe1b0708cbc20b7267635f39d59dfbab0ed04dfe92d96952bf44ec82322f3ccf5d799610c8efe33e20df6bd602e37c3d6a69e3ed72e34a0befc1c80cd88bdebcdd594bf74182228edce54f46d24e8ae1fb830d4c8086774572044765e01db5ca37cae712c3a01c1dcccc3804ab4f2d2c432cced6e328c803007209c2d731f65824f37e164ff54151d48daa1b01b135ea59d621ac0f437ed682752fa5866d780f3fd9f4d6fd485ae314e4d358fcb03bf5032013ae21351cd30df095fa4933142", 0xc8, 0x3) (async) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x122) ftruncate(r4, 0x800) (async) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) lseek(r5, 0x22de, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r6, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) open(&(0x7f0000000000)='./bus\x00', 0x7c3401, 0x125) [ 1088.552114][ T3301] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1088.560130][ T3301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1088.568084][ T3301] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1088.576045][ T3301] [ 1088.579149][ T3301] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:10 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) r5 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0xee00, r7, 0x0) (async) sendmsg$nl_generic(r0, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001080)={0x2398, 0x24, 0x400, 0x70bd2a, 0x25dfdbfd, {0x4}, [@typed={0xc, 0x42, 0x0, 0x0, @u64=0x279}, @generic="34ddcec3313ee13098a87fbeb8300fa3f11d21cadc3a813e763c7c76a0a176e9a41bcd9e8ee32731a3792ee5c30f9b591d1a0e593d70166b662c5204ec437b52bcf8b7f72b117c5a8cf62f59466775", @nested={0x20, 0x27, 0x0, 0x1, [@typed={0x8, 0x6d, 0x0, 0x0, @pid=r6}, @typed={0x14, 0x5a, 0x0, 0x0, @ipv6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, @generic="737015e5aab5ffe22451dcc53c1678cc554b973b8ffa39c863efb18b0ffbfe2508e3cfef2584fa20b0e9a3f2dc870286f1a65f67d20e811e3e2ac901182f1d9a2f2ed4504dfdc0b5b7dba4a2958cbd7435704ef4e7915fb55594f4e3911aa64f4a21365a39b80731a3fc7f6ab335f1f07caa76f145d0ce60da1f7d6cd82694244cb523dd84ecb2a99d42be2d779388007a7022e2917e1ea4499c23e56dc1d9a3a541d31db53520c2c02c7106cf57562c7594e3d6937877df9f52405bbcf15feb40d26f1dbf7feee1644aa150ec8045c5b90606a3cd20081a90d6344004433db0c99210992a1670cf152f559a28a318d23870e68abc6938af5277b5320b15691592a61d1e549ec24847fe9ba2469876ec512a66c3720160abcc7ae31fd12529e925dd8d5781756e6af2b26c6086e537930dea87ccf2f224b2e28542439cdbaa3ff1c88dd70c7d2edf4fe9afbdfeabba2d527f0e6f64c2948f58be833641c02cb2e5ec9f2d15b54c9d6bf6007bb6f2dea1b5b08e09e2d737a33563d8fde957791cb8b26ae83a0158e892330ed36cc99c545eb8834a7323f0be689771872bb3a0eb820eab4f264b4ad2b4e240cc7003fd2b20dc9210809cee07b041ddf5440dd8869f73770c1ce8d0f11fddfd19292825ae9cd0d46a9f0eb3cbaf277cdf311c18ee4578be36b27012253c5bb26fc243ba7a2d3f32b10f13bb8b9db4bd39c1594691011e33f525168652bdabb42548767b95679793609aa65bbbff3f29ad1ea1256d1baa70ce39034644dfa8689f9690494957b04df9c095efd92c2f3609456e598d8a436c305eb36d416ce3b5560b70f29c6c98172205c9d8ce03a051217485bd2e9e6864b92564a5b8e13484c04db98d82fd7d282e284f7db08d1c821077b517e685859fb38dddf8e88cd956b485ecde6bc317193df6bc1f96125c3427028a64cb833309d04733d9a7990c3a0614e827d55cd10292e08501a067a8c5d2e71752474d5637ccc887cd920330ac902a36fd54301564bcddeb48ab109d49d63fbe4d7164bfad585751b8510e6d55f373b91d935e685a50b5d1155bc15f4020319be65fbb005de8e730d57bb80fba8d901886bb26e4f5c66d9df526a5fe067117a862bb68d7b452df8887bf05a18f162e6466de74224d3eef411ed71b14e96ce3d34013db684a78103165040882c95eac5d4191fd70cd29999763bfb92116c06b7585854389b66bc0c81220cc9f4398baeb720e58042bd6bb85107133c45455e576a3b35f8ad4a9a396b97063fa7d08f6ae4824d10c5292a5b290db6dcf1cf28f2f2bcf3450ee26ba259c6e80c21a32d3bdb7b74a92a26d93dbc331661d437bc7409b0dc2fbff17472d236c9768247cc4c5b907f8db601aa3ff2a02f5dc2e96e7a452b5079bfd9fbd35d4dbde1f70b59fdb13ab2ae709217c471021e980f580a613a5a0a109b7819c00a4ca3d022cb1232ec7073c4d11dd84d63886bd9504ff9a699e252e9ef012af3e8e1503a217309a3d56fe8c3c425361935437e68281c0334652ac56325800ae02665a32cd84acb09d4e6d530e1a5a8bcbbc02b9c5bb8bb8f3ee42af3065f33f20ea216a6d475e37e70aed1cd6ea50121c83125ff64c6239df588db9c9d364da01c9f01a9b64eae52fbffb64ad84953e936fe69f9903c2774f3bd2673d3cb14612f3fcbf2326286382cc98674b73f4f093f39f0fd2e38eb890eb551fae4cc7d13994a466eadd903454c3988bea2a2866c4ddb08919799b32dbac3e8d988eeef79be7b7db4b90b382c51016cd21d8f45cddcce6371346733f04a796df33b8505455eea92d23870968cee90272a39b98069da00b7303d413c87576145e731ad96551683cb66a262f3597bdcf3b935acefef7e99fb34c7957efe7afbabe3a9599a51ae463a43b75f57a51d9b014b1820ed2c35e28b973eeb54897fc096eb0f6018b6146751173534ba43eae1526a5f7d39035468f2071df5f069aa373c4d029c9d99adb89b4ef0c7ac6a0bdccb00707c3a6f8d9e504030848be26429b63ae2594c6a397776869f8b01fb8e139423567d648aad2ac1dd5e3929de90710221db734bc02b3c03e526b9e792a9f445a4b85074ce1aac869ba40c307d80823235f93cdbf203541aa06226f4a7b007d4adf2a34a087765587f83e20e3ae954467bc479319f84c4ca851461930f7bbf12981a14c2c178754c7719e4e4a03dbabfd71bbe2c5290a3874978099d9827d6eefbe8ebdd98f545d18e5000dd4884dc56a39331803d2d2c8be240218330293daa2c75b11e0b53bcde49abc1b0920f17bb9cb321e0e768e9b2be62511e40f9e39577f8e7ad7c3e8030a1672edb54264ddb317b7a6111f4b4a3237a2799c5d9830b007248b5c2ed1c20b35af40c1184c14ff0807b5c50d520cb289afb8e50c9495aa7d09b05f83a6503d23f4b0a30efa9169a829a6f632cb3c1a65341b79a8d623e70c6ec9503f1513b78bb4a47dd2b8580d2eb0600916d1c463cea525f2c6d36cd0a7f5d2612f06d4dbaec999bf864e68bb8790714794843579ad20a1a2b046fc90dab137260d985b1f8ce0feaa1c4ddaa075497285c1bced3fa501d3a30d9c6696279922a7a3da9452ed32b27585c00a067eac8558c14730a9a89983d3e49e1be6432e90f6cfb80adb0597421dda99720d5a18b066cf5f69f06ba425eaf222631f556339bcaf82019ffff9ee875a23fcad7159f3cc3fff9f6e3045a88572129f710ee5b59efbbefe96ab8f91614b18576a45a0c9a6419176fe802a2a919bc960c58216da7923360c7fa13ff84fe2160246a07f9412a6f8b8c4906f98ef52242136617bb9dc3dc2ebaefac43ab51d1b9bf411d548632cc9c902c3067b453b9e685f14f15658e2fbd6c86c16634c3562371bf53cbc76f8a76f3dd35ee852a0bf909d225dd91b1941a10b5c3fbd8aa9c0681a470f6d3ad9ced6ad8a2a59294960a826267d95542f8925a77f6808abac31c0c62af55943dce5849a745d7d2d75020bea31b34d0dcf17ce28e7c87c32682905d82ed64889421c615c211fc83ad8ccc2f4afa645c7ed2426da8fbaee29c59e1fd5da372963c7e7f6981f98d37004c913bb3b2f3283209d17846e3e1a30d2387dd9a527e98771c37d2299c4c293f425ba1fc657807fe10f7511ba9c334a8316832cf8a0255007bf61f2a4b22307ee1b6e82d41a5757faaa03ce377e24db5330d838ed088dd92787f423507460984e4dcca2189c327635eed4feb204c894914f9e7167c9b763abeeae607825fc70e0ca0cb524a69c401c49e592328402f74c312939c6c9540be7565c073f77b96561cca874881160ad4fed8562622fa82ce2a26dd7d68686ac26f4edf44da55bcf7f180168bcfd56884ab0c033640e1d037cddbe927ba2fbe29105907c49896a2d7865b9e08965fc56219d3bee3d20c9e487b36d383d222b0684db63cbdc625efcc52c35476ffddecc3d5b39e4cbd20d58300fd09267c088f3ca5046bf1df212feceee1ec107351db9407b9f82b9dce19c2c67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@generic="ca48eff8b206628c0661c606409360b128", @nested={0x1213, 0x5d, 0x0, 0x1, [@typed={0x9, 0x82, 0x0, 0x0, @str='ext4\x00'}, @generic="a87d2be7ab2ae6075aadebd02d634b770e28ea2d05b02b6d5053771fdf956c9b9f8eaa13fd1081f30828ca49b49d0c", @generic="a93fac7c82f4a36d3e5bb0188e2081f5c952ab1ff776d4c70a381c1bedd6728fd17c211f13b90a8376dd641cde4fa52cfaa4484c4529cc3dd33a83ad7676fa964c8611587d1da3b9560e1d52820eae499d52e922116fe6ae8538324f072c31569afad70204277c636c07f2c05bd64151f4f12ae35a7c20ba88972365f7466682f4ff585ab3297b692265a623af1a5ae6490933e0ae169737401bb6bcc4461c5f7b3627cc6c7c3ca89024148a1e0d09cb31b6c30f1021f09b07f5f31102b957febd3e7fa2d03ae879ce0dca764f0e07747add23a4d2d07abba4c40afa4a0816bacdeb010301ab2c7a8c527b33ae", @generic="f3cd21e108ac9f6127fd9e74ba1f263a03eb92ce19cdd66f1f4d7fc59ada4b8c937cbf699136910c219917649b5d9da5cb11d935e514e686d982b8882e46a0fb8f589fce3599733c1bd50916709791c2361ee40ce03afc4a8601f1aa458e29b42adcef7569df81bdd5d31117d734ba4a4e78704a4b4da8bd7b9e561b345640ee205f", @typed={0x14, 0x25, 0x0, 0x0, @ipv6=@private0={0xfc, 0x0, '\x00', 0x1}}, @generic="c52d0ed66dfe704e861b9e56e98691be8a768f05d0dd187b73df938039030c1f44184b67de89b9292c3f75cc403e2f3a6c574e43a40ee186805a2e296c05b33d9f9ec7d3cc04655c93", @generic="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", @typed={0x8, 0x81, 0x0, 0x0, @uid=r7}]}, @nested={0xe1, 0x53, 0x0, 0x1, [@generic="ca299bd0794943c784acb99053a6ec6e94ef77a25210320a483a65f758789e5b7d17dc6495eab065f4145ef1bf071229b443d1726db87f9a6f3cdfd96c769aa9ec86d21448c0b4a1bf874b9b6248253033419f7efe56c1d06660e66a9fb70104dca2060f685521121609b39754ec3260cfee660e355b70cbcc62f615cd09da747db9b919907f050537c9fcfeff3b9aabc67fd3c575751c703272fde2e0098e5194db577ed83b1ee70b201d8a4aba51d0464d0bf14307c2142b936bd7ba", @typed={0x16, 0x67, 0x0, 0x0, @str='/dev/input/event#\x00'}, @typed={0x8, 0x2, 0x0, 0x0, @u32=0x6}]}]}, 0x2398}, 0x1, 0x0, 0x0, 0x4000044}, 0x0) quotactl_fd$Q_QUOTAON(r4, 0xffffffff80000200, r7, &(0x7f0000000000)='./file0\x00') (async) ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000100)) accept(r5, &(0x7f0000000340)=@in6={0xa, 0x0, 0x0, @initdev}, &(0x7f00000003c0)=0x80) (async) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1088.599306][ T3302] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1088.608469][ T3302] CPU: 0 PID: 3302 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1088.618607][ T3302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1088.628653][ T3302] Call Trace: [ 1088.631912][ T3302] [ 1088.634826][ T3302] dump_stack_lvl+0xda/0x130 [ 1088.639431][ T3302] dump_stack+0x15/0x20 [ 1088.643616][ T3302] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1088.648714][ T3302] kobject_add_internal+0x3eb/0x730 [ 1088.653914][ T3302] kobject_add+0xdc/0x150 [ 1088.658233][ T3302] ? kobject_get+0x95/0xc0 [ 1088.662628][ T3302] ? kobject_put+0xd8/0x160 [ 1088.667124][ T3302] ? device_add+0x2ea/0x8b0 [ 1088.671622][ T3302] device_add+0x2f8/0x8b0 [ 1088.675945][ T3302] netdev_register_kobject+0xfc/0x230 [ 1088.681304][ T3302] register_netdevice+0x65b/0xb20 [ 1088.686322][ T3302] ip6_tnl_create2+0x87/0x210 [ 1088.691124][ T3302] ip6_tnl_newlink+0x2bf/0x460 [ 1088.695879][ T3302] ? ip6_tnl_validate+0x80/0x80 [ 1088.700762][ T3302] rtnl_newlink+0xee5/0x1670 [ 1088.705435][ T3302] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1088.711667][ T3302] ? _raw_spin_unlock+0x26/0x40 [ 1088.716513][ T3302] ? __mutex_lock+0x21c/0x8d0 [ 1088.721222][ T3302] ? rtnl_setlink+0x300/0x300 [ 1088.725930][ T3302] rtnetlink_rcv_msg+0x807/0x8c0 [ 1088.730857][ T3302] ? kmem_cache_free+0x1d9/0x380 [ 1088.735827][ T3302] ? __kfree_skb+0x104/0x140 [ 1088.740501][ T3302] ? nlmon_xmit+0x4b/0x60 [ 1088.744831][ T3302] ? __kfree_skb+0x104/0x140 [ 1088.749413][ T3302] ? consume_skb+0x57/0x180 [ 1088.753921][ T3302] ? nlmon_xmit+0x4b/0x60 [ 1088.758278][ T3302] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1088.763555][ T3302] ? __dev_queue_xmit+0xaae/0x1d80 [ 1088.768718][ T3302] ? ref_tracker_free+0x3a1/0x400 [ 1088.773726][ T3302] netlink_rcv_skb+0x126/0x220 [ 1088.778481][ T3302] ? rtnetlink_bind+0x60/0x60 [ 1088.783168][ T3302] rtnetlink_rcv+0x1c/0x20 [ 1088.787597][ T3302] netlink_unicast+0x589/0x650 [ 1088.792348][ T3302] netlink_sendmsg+0x66e/0x770 [ 1088.797123][ T3302] ? netlink_getsockopt+0x3e0/0x3e0 [ 1088.802362][ T3302] ____sys_sendmsg+0x37c/0x4d0 [ 1088.807143][ T3302] __sys_sendmsg+0x1e9/0x270 [ 1088.811759][ T3302] ? wake_up_q+0x3f/0x70 [ 1088.816070][ T3302] __x64_sys_sendmsg+0x46/0x50 [ 1088.820881][ T3302] do_syscall_64+0x44/0x110 [ 1088.825364][ T3302] ? syscall_exit_to_user_mode+0x38/0x140 [ 1088.831166][ T3302] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1088.837085][ T3302] RIP: 0033:0x7fd903c48ae9 [ 1088.841517][ T3302] 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 [ 1088.861139][ T3302] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1088.869623][ T3302] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1088.877578][ T3302] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1088.885552][ T3302] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1088.893505][ T3302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:10 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x340, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1088.901459][ T3302] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1088.909436][ T3302] [ 1088.912724][ T3302] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1088.934819][ T3319] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1088.944005][ T3319] CPU: 1 PID: 3319 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 12:35:10 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000002800)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @ipip={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8}, @IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast1}]}}}]}, 0x44}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000280)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @ipip={{0x9}, {0x4}}}]}, 0x34}}, 0x0) bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000001740)={0x9c02, 0x0}, 0x8) (async) r7 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000000008500000023000000950000000000000000"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r7}, 0x10) (async) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, r6, r7, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r9], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f00000005c0)={@local, 0x0}, &(0x7f0000000600)=0x14) sendmsg$ETHTOOL_MSG_EEE_GET(r2, &(0x7f00000007c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000780)={&(0x7f0000000640)={0x10c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nr0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x87c9af78a64b9e}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bond\x00'}]}]}, 0x10c}, 0x1, 0x0, 0x0, 0x4080}, 0x40000) r11 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r12 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2d, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r11, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r12], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x7}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r13 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1088.954123][ T3319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1088.964184][ T3319] Call Trace: [ 1088.967443][ T3319] [ 1088.970405][ T3319] dump_stack_lvl+0xda/0x130 [ 1088.975043][ T3319] dump_stack+0x15/0x20 [ 1088.979245][ T3319] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1088.984339][ T3319] kobject_add_internal+0x3eb/0x730 [ 1088.989574][ T3319] kobject_add+0xdc/0x150 [ 1088.993923][ T3319] ? kobject_get+0x95/0xc0 [ 1088.998423][ T3319] ? kobject_put+0xd8/0x160 [ 1089.002909][ T3319] ? device_add+0x2ea/0x8b0 [ 1089.007513][ T3319] device_add+0x2f8/0x8b0 [ 1089.011828][ T3319] netdev_register_kobject+0xfc/0x230 [ 1089.017210][ T3319] register_netdevice+0x65b/0xb20 [ 1089.022222][ T3319] ip6_tnl_create2+0x87/0x210 [ 1089.026940][ T3319] ip6_tnl_newlink+0x2bf/0x460 [ 1089.031761][ T3319] ? ip6_tnl_validate+0x80/0x80 [ 1089.036621][ T3319] rtnl_newlink+0xee5/0x1670 [ 1089.041229][ T3319] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1089.046510][ T3319] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1089.052864][ T3319] ? _raw_spin_unlock+0x26/0x40 [ 1089.057720][ T3319] ? __mutex_lock+0x21c/0x8d0 [ 1089.062425][ T3319] ? rtnl_setlink+0x300/0x300 [ 1089.067089][ T3319] rtnetlink_rcv_msg+0x807/0x8c0 [ 1089.072027][ T3319] ? __rcu_read_unlock+0x4d/0x70 [ 1089.076946][ T3319] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1089.082386][ T3319] netlink_rcv_skb+0x126/0x220 [ 1089.087158][ T3319] ? rtnetlink_bind+0x60/0x60 [ 1089.091926][ T3319] rtnetlink_rcv+0x1c/0x20 [ 1089.096328][ T3319] netlink_unicast+0x589/0x650 [ 1089.101133][ T3319] netlink_sendmsg+0x66e/0x770 [ 1089.105893][ T3319] ? netlink_getsockopt+0x3e0/0x3e0 [ 1089.111118][ T3319] ____sys_sendmsg+0x37c/0x4d0 [ 1089.115880][ T3319] __sys_sendmsg+0x1e9/0x270 [ 1089.120519][ T3319] __x64_sys_sendmsg+0x46/0x50 [ 1089.125273][ T3319] do_syscall_64+0x44/0x110 [ 1089.129796][ T3319] ? syscall_exit_to_user_mode+0x38/0x140 [ 1089.135532][ T3319] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1089.141507][ T3319] RIP: 0033:0x7f7033abcae9 [ 1089.146217][ T3319] 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 [ 1089.165836][ T3319] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1089.174226][ T3319] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1089.182176][ T3319] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1089.190178][ T3319] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1089.198132][ T3319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1089.206150][ T3319] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1089.214181][ T3319] [ 1089.217286][ T3319] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1089.233573][ T3324] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1089.242785][ T3324] CPU: 0 PID: 3324 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1089.252871][ T3324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1089.262915][ T3324] Call Trace: [ 1089.266185][ T3324] [ 1089.269102][ T3324] dump_stack_lvl+0xda/0x130 [ 1089.273766][ T3324] dump_stack+0x15/0x20 [ 1089.277916][ T3324] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1089.283025][ T3324] kobject_add_internal+0x3eb/0x730 [ 1089.288214][ T3324] kobject_add+0xdc/0x150 [ 1089.292532][ T3324] ? kobject_get+0x95/0xc0 [ 1089.296975][ T3324] ? kobject_put+0xd8/0x160 [ 1089.301468][ T3324] ? device_add+0x2ea/0x8b0 [ 1089.305971][ T3324] device_add+0x2f8/0x8b0 [ 1089.310298][ T3324] netdev_register_kobject+0xfc/0x230 [ 1089.315725][ T3324] register_netdevice+0x65b/0xb20 [ 1089.320898][ T3324] ip6_tnl_create2+0x87/0x210 [ 1089.325570][ T3324] ip6_tnl_newlink+0x2bf/0x460 [ 1089.330417][ T3324] ? ip6_tnl_validate+0x80/0x80 [ 1089.335316][ T3324] rtnl_newlink+0xee5/0x1670 [ 1089.339973][ T3324] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1089.345343][ T3324] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1089.351579][ T3324] ? _raw_spin_unlock+0x26/0x40 [ 1089.356429][ T3324] ? __mutex_lock+0x21c/0x8d0 [ 1089.361101][ T3324] ? rtnl_setlink+0x300/0x300 [ 1089.365844][ T3324] rtnetlink_rcv_msg+0x807/0x8c0 [ 1089.370792][ T3324] ? kmem_cache_free+0x1d9/0x380 [ 1089.375773][ T3324] ? __kfree_skb+0x104/0x140 [ 1089.380362][ T3324] ? nlmon_xmit+0x4b/0x60 [ 1089.384683][ T3324] ? __kfree_skb+0x104/0x140 [ 1089.389301][ T3324] ? consume_skb+0x57/0x180 [ 1089.393831][ T3324] ? nlmon_xmit+0x4b/0x60 [ 1089.398221][ T3324] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1089.403540][ T3324] ? __dev_queue_xmit+0xaae/0x1d80 [ 1089.408729][ T3324] ? ref_tracker_free+0x3a1/0x400 [ 1089.413803][ T3324] netlink_rcv_skb+0x126/0x220 [ 1089.418566][ T3324] ? rtnetlink_bind+0x60/0x60 [ 1089.423262][ T3324] rtnetlink_rcv+0x1c/0x20 [ 1089.427746][ T3324] netlink_unicast+0x589/0x650 [ 1089.432622][ T3324] netlink_sendmsg+0x66e/0x770 [ 1089.437404][ T3324] ? netlink_getsockopt+0x3e0/0x3e0 [ 1089.442670][ T3324] ____sys_sendmsg+0x37c/0x4d0 [ 1089.447573][ T3324] __sys_sendmsg+0x1e9/0x270 [ 1089.452173][ T3324] __x64_sys_sendmsg+0x46/0x50 [ 1089.456945][ T3324] do_syscall_64+0x44/0x110 [ 1089.461439][ T3324] ? syscall_exit_to_user_mode+0x38/0x140 [ 1089.467154][ T3324] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1089.473063][ T3324] RIP: 0033:0x7fd903c48ae9 [ 1089.477469][ T3324] 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 [ 1089.497113][ T3324] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1089.505576][ T3324] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1089.513543][ T3324] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1089.521545][ T3324] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1089.529555][ T3324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1089.537572][ T3324] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1089.545545][ T3324] 12:35:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x126, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:11 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async, rerun: 64) r1 = socket$nl_route(0x10, 0x3, 0x0) (rerun: 64) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000002800)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @ipip={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8}, @IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast1}]}}}]}, 0x44}}, 0x0) (async) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000280)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @ipip={{0x9}, {0x4}}}]}, 0x34}}, 0x0) (async) bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000001740)={0x9c02, 0x0}, 0x8) (async) r7 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000000008500000023000000950000000000000000"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r7}, 0x10) (async, rerun: 32) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (rerun: 32) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, r6, r7, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r8, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r9], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f00000005c0)={@local, 0x0}, &(0x7f0000000600)=0x14) sendmsg$ETHTOOL_MSG_EEE_GET(r2, &(0x7f00000007c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000780)={&(0x7f0000000640)={0x10c, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nr0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x87c9af78a64b9e}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}, @HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bond\x00'}]}]}, 0x10c}, 0x1, 0x0, 0x0, 0x4080}, 0x40000) r11 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async, rerun: 64) r12 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) (rerun: 64) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2d, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r11, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r12], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x7}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async, rerun: 64) r13 = socket(0x10, 0x803, 0x0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:35:11 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x342, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1089.548608][ T3324] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1089.573109][ T3331] loop3: detected capacity change from 0 to 512 [ 1089.620092][ T3349] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1089.625355][ T3347] loop2: detected capacity change from 0 to 512 [ 1089.629242][ T3349] CPU: 0 PID: 3349 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1089.645435][ T3349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1089.655527][ T3349] Call Trace: [ 1089.658856][ T3349] [ 1089.661773][ T3349] dump_stack_lvl+0xda/0x130 [ 1089.666357][ T3349] dump_stack+0x15/0x20 [ 1089.670536][ T3349] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1089.675726][ T3349] kobject_add_internal+0x3eb/0x730 [ 1089.680962][ T3349] kobject_add+0xdc/0x150 [ 1089.685280][ T3349] ? kobject_get+0x95/0xc0 [ 1089.689739][ T3349] ? kobject_put+0xd8/0x160 [ 1089.694248][ T3349] ? device_add+0x2ea/0x8b0 [ 1089.698747][ T3349] device_add+0x2f8/0x8b0 [ 1089.703203][ T3349] netdev_register_kobject+0xfc/0x230 [ 1089.708576][ T3349] register_netdevice+0x65b/0xb20 [ 1089.713601][ T3349] ip6_tnl_create2+0x87/0x210 [ 1089.718267][ T3349] ip6_tnl_newlink+0x2bf/0x460 [ 1089.723094][ T3349] ? ip6_tnl_validate+0x80/0x80 [ 1089.727969][ T3349] rtnl_newlink+0xee5/0x1670 [ 1089.732559][ T3349] ? security_capable+0x5e/0x80 [ 1089.737398][ T3349] ? ns_capable+0x7c/0xb0 [ 1089.741788][ T3349] ? rtnl_setlink+0x300/0x300 [ 1089.746524][ T3349] rtnetlink_rcv_msg+0x807/0x8c0 [ 1089.751467][ T3349] ? security_capable+0x5e/0x80 [ 1089.756352][ T3349] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1089.762331][ T3349] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1089.767545][ T3349] ? __rcu_read_unlock+0x4d/0x70 [ 1089.772479][ T3349] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1089.777667][ T3349] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1089.783035][ T3349] ? __rcu_read_unlock+0x4d/0x70 [ 1089.787976][ T3349] ? __rcu_read_unlock+0x4d/0x70 [ 1089.792905][ T3349] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1089.798269][ T3349] netlink_rcv_skb+0x126/0x220 [ 1089.803103][ T3349] ? rtnetlink_bind+0x60/0x60 [ 1089.807781][ T3349] rtnetlink_rcv+0x1c/0x20 [ 1089.812253][ T3349] netlink_unicast+0x589/0x650 [ 1089.817073][ T3349] netlink_sendmsg+0x66e/0x770 [ 1089.821836][ T3349] ? netlink_getsockopt+0x3e0/0x3e0 [ 1089.827126][ T3349] ____sys_sendmsg+0x37c/0x4d0 [ 1089.831879][ T3349] __sys_sendmsg+0x1e9/0x270 [ 1089.836464][ T3349] __x64_sys_sendmsg+0x46/0x50 [ 1089.841246][ T3349] do_syscall_64+0x44/0x110 [ 1089.845821][ T3349] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1089.851736][ T3349] RIP: 0033:0x7f7033abcae9 [ 1089.856140][ T3349] 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 [ 1089.875788][ T3349] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1089.884187][ T3349] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1089.892176][ T3349] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1089.900135][ T3349] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1089.908100][ T3349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:11 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) (async) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) (async) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r5 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000caaffb), &(0x7f0000cab000)=0xc) (async) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0xee00, r7, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001080)={0x2398, 0x24, 0x400, 0x70bd2a, 0x25dfdbfd, {0x4}, [@typed={0xc, 0x42, 0x0, 0x0, @u64=0x279}, @generic="34ddcec3313ee13098a87fbeb8300fa3f11d21cadc3a813e763c7c76a0a176e9a41bcd9e8ee32731a3792ee5c30f9b591d1a0e593d70166b662c5204ec437b52bcf8b7f72b117c5a8cf62f59466775", @nested={0x20, 0x27, 0x0, 0x1, [@typed={0x8, 0x6d, 0x0, 0x0, @pid=r6}, @typed={0x14, 0x5a, 0x0, 0x0, @ipv6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, @generic="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", @generic="ca48eff8b206628c0661c606409360b128", @nested={0x1213, 0x5d, 0x0, 0x1, [@typed={0x9, 0x82, 0x0, 0x0, @str='ext4\x00'}, @generic="a87d2be7ab2ae6075aadebd02d634b770e28ea2d05b02b6d5053771fdf956c9b9f8eaa13fd1081f30828ca49b49d0c", @generic="a93fac7c82f4a36d3e5bb0188e2081f5c952ab1ff776d4c70a381c1bedd6728fd17c211f13b90a8376dd641cde4fa52cfaa4484c4529cc3dd33a83ad7676fa964c8611587d1da3b9560e1d52820eae499d52e922116fe6ae8538324f072c31569afad70204277c636c07f2c05bd64151f4f12ae35a7c20ba88972365f7466682f4ff585ab3297b692265a623af1a5ae6490933e0ae169737401bb6bcc4461c5f7b3627cc6c7c3ca89024148a1e0d09cb31b6c30f1021f09b07f5f31102b957febd3e7fa2d03ae879ce0dca764f0e07747add23a4d2d07abba4c40afa4a0816bacdeb010301ab2c7a8c527b33ae", @generic="f3cd21e108ac9f6127fd9e74ba1f263a03eb92ce19cdd66f1f4d7fc59ada4b8c937cbf699136910c219917649b5d9da5cb11d935e514e686d982b8882e46a0fb8f589fce3599733c1bd50916709791c2361ee40ce03afc4a8601f1aa458e29b42adcef7569df81bdd5d31117d734ba4a4e78704a4b4da8bd7b9e561b345640ee205f", @typed={0x14, 0x25, 0x0, 0x0, @ipv6=@private0={0xfc, 0x0, '\x00', 0x1}}, @generic="c52d0ed66dfe704e861b9e56e98691be8a768f05d0dd187b73df938039030c1f44184b67de89b9292c3f75cc403e2f3a6c574e43a40ee186805a2e296c05b33d9f9ec7d3cc04655c93", @generic="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@typed={0x8, 0x81, 0x0, 0x0, @uid=r7}]}, @nested={0xe1, 0x53, 0x0, 0x1, [@generic="ca299bd0794943c784acb99053a6ec6e94ef77a25210320a483a65f758789e5b7d17dc6495eab065f4145ef1bf071229b443d1726db87f9a6f3cdfd96c769aa9ec86d21448c0b4a1bf874b9b6248253033419f7efe56c1d06660e66a9fb70104dca2060f685521121609b39754ec3260cfee660e355b70cbcc62f615cd09da747db9b919907f050537c9fcfeff3b9aabc67fd3c575751c703272fde2e0098e5194db577ed83b1ee70b201d8a4aba51d0464d0bf14307c2142b936bd7ba", @typed={0x16, 0x67, 0x0, 0x0, @str='/dev/input/event#\x00'}, @typed={0x8, 0x2, 0x0, 0x0, @u32=0x6}]}]}, 0x2398}, 0x1, 0x0, 0x0, 0x4000044}, 0x0) quotactl_fd$Q_QUOTAON(r4, 0xffffffff80000200, r7, &(0x7f0000000000)='./file0\x00') ioctl$BTRFS_IOC_START_SYNC(r3, 0x80089418, &(0x7f0000000100)) accept(r5, &(0x7f0000000340)=@in6={0xa, 0x0, 0x0, @initdev}, &(0x7f00000003c0)=0x80) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1089.916058][ T3349] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1089.924020][ T3349] [ 1089.927096][ T3349] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1089.948426][ T3347] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1482/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1089.957970][ T3359] loop4: detected capacity change from 0 to 512 12:35:11 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0xa, &(0x7f0000000580)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r0}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x3, 0x2, 0x2, 0x3}, {0x0, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1089.967969][ T3354] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1089.978718][ T3354] CPU: 1 PID: 3354 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1089.988729][ T3354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1089.998804][ T3354] Call Trace: [ 1090.002087][ T3354] [ 1090.005062][ T3354] dump_stack_lvl+0xda/0x130 [ 1090.009741][ T3354] dump_stack+0x15/0x20 [ 1090.013903][ T3354] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1090.019064][ T3354] kobject_add_internal+0x3eb/0x730 [ 1090.024271][ T3354] kobject_add+0xdc/0x150 [ 1090.028597][ T3354] ? kobject_get+0x95/0xc0 [ 1090.033012][ T3354] ? kobject_put+0xd8/0x160 [ 1090.037575][ T3354] ? device_add+0x2ea/0x8b0 [ 1090.042150][ T3354] device_add+0x2f8/0x8b0 [ 1090.046502][ T3354] netdev_register_kobject+0xfc/0x230 [ 1090.051897][ T3354] register_netdevice+0x65b/0xb20 [ 1090.057066][ T3354] ip6_tnl_create2+0x87/0x210 [ 1090.061811][ T3354] ip6_tnl_newlink+0x2bf/0x460 [ 1090.066584][ T3354] ? ip6_tnl_validate+0x80/0x80 [ 1090.071501][ T3354] rtnl_newlink+0xee5/0x1670 [ 1090.076110][ T3354] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1090.081403][ T3354] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1090.087702][ T3354] ? _raw_spin_unlock+0x26/0x40 [ 1090.092606][ T3354] ? __mutex_lock+0x21c/0x8d0 [ 1090.097303][ T3354] ? rtnl_setlink+0x300/0x300 [ 1090.102039][ T3354] rtnetlink_rcv_msg+0x807/0x8c0 [ 1090.106988][ T3354] ? kmem_cache_free+0x1d9/0x380 [ 1090.111916][ T3354] ? __kfree_skb+0x104/0x140 [ 1090.116509][ T3354] ? nlmon_xmit+0x4b/0x60 [ 1090.120835][ T3354] ? __kfree_skb+0x104/0x140 [ 1090.125427][ T3354] ? consume_skb+0x57/0x180 [ 1090.129924][ T3354] ? nlmon_xmit+0x4b/0x60 [ 1090.134265][ T3354] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1090.139605][ T3354] ? __dev_queue_xmit+0xaae/0x1d80 [ 1090.144781][ T3354] ? ref_tracker_free+0x3a1/0x400 [ 1090.149795][ T3354] netlink_rcv_skb+0x126/0x220 [ 1090.154650][ T3354] ? rtnetlink_bind+0x60/0x60 [ 1090.159395][ T3354] rtnetlink_rcv+0x1c/0x20 [ 1090.163893][ T3354] netlink_unicast+0x589/0x650 [ 1090.168728][ T3354] netlink_sendmsg+0x66e/0x770 [ 1090.173489][ T3354] ? netlink_getsockopt+0x3e0/0x3e0 [ 1090.178729][ T3354] ____sys_sendmsg+0x37c/0x4d0 [ 1090.183550][ T3354] __sys_sendmsg+0x1e9/0x270 [ 1090.188229][ T3354] __x64_sys_sendmsg+0x46/0x50 [ 1090.192979][ T3354] do_syscall_64+0x44/0x110 [ 1090.197472][ T3354] ? syscall_exit_to_user_mode+0x38/0x140 [ 1090.203191][ T3354] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1090.209086][ T3354] RIP: 0033:0x7fd903c48ae9 [ 1090.213563][ T3354] 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 [ 1090.233271][ T3354] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1090.241702][ T3354] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1090.249711][ T3354] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1090.257670][ T3354] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:35:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x12a, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1090.265710][ T3354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1090.273670][ T3354] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1090.281695][ T3354] [ 1090.284758][ T3354] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1090.301557][ T3331] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1471/file0 supports timestamps until 2038-01-19 (0x7fffffff) 12:35:11 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x346, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:11 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) listxattr(&(0x7f0000000100)='./file0\x00', &(0x7f0000000280)=""/166, 0xa6) (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) (async) bpf$OBJ_GET_PROG(0x7, &(0x7f00000000c0)=@generic={&(0x7f0000000000)='./file0\x00', 0x0, 0x4}, 0x18) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 1090.306456][ T3362] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1090.325617][ T3362] CPU: 1 PID: 3362 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1090.335651][ T3362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1090.345714][ T3362] Call Trace: [ 1090.348989][ T3362] [ 1090.351946][ T3362] dump_stack_lvl+0xda/0x130 [ 1090.356547][ T3362] dump_stack+0x15/0x20 [ 1090.360704][ T3362] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1090.365841][ T3362] kobject_add_internal+0x3eb/0x730 [ 1090.371151][ T3362] kobject_add+0xdc/0x150 [ 1090.375559][ T3362] ? kobject_get+0x95/0xc0 [ 1090.379982][ T3362] ? kobject_put+0xd8/0x160 [ 1090.384500][ T3362] ? device_add+0x2ea/0x8b0 [ 1090.389135][ T3362] device_add+0x2f8/0x8b0 [ 1090.393493][ T3362] netdev_register_kobject+0xfc/0x230 [ 1090.398888][ T3362] register_netdevice+0x65b/0xb20 [ 1090.403992][ T3362] ip6_tnl_create2+0x87/0x210 [ 1090.408792][ T3362] ip6_tnl_newlink+0x2bf/0x460 [ 1090.413620][ T3362] ? ip6_tnl_validate+0x80/0x80 [ 1090.418548][ T3362] rtnl_newlink+0xee5/0x1670 [ 1090.423159][ T3362] ? rtnl_newlink+0x2b1/0x1670 [ 1090.427982][ T3362] ? security_capable+0x5e/0x80 [ 1090.432932][ T3362] ? ns_capable+0x7c/0xb0 [ 1090.437286][ T3362] ? rtnl_setlink+0x300/0x300 [ 1090.441997][ T3362] rtnetlink_rcv_msg+0x807/0x8c0 [ 1090.446945][ T3362] ? nlmon_xmit+0x4b/0x60 [ 1090.451308][ T3362] ? nlmon_xmit+0x4b/0x60 [ 1090.455645][ T3362] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1090.460972][ T3362] ? kmem_cache_free+0x1d9/0x380 [ 1090.464810][ T3359] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1441/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1090.465933][ T3362] ? __kfree_skb+0x104/0x140 [ 1090.485378][ T3362] ? nlmon_xmit+0x4b/0x60 [ 1090.489771][ T3362] ? __kfree_skb+0x104/0x140 [ 1090.494368][ T3362] ? consume_skb+0x57/0x180 [ 1090.498930][ T3362] ? nlmon_xmit+0x4b/0x60 [ 1090.503241][ T3362] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1090.508537][ T3362] ? __dev_queue_xmit+0xaae/0x1d80 [ 1090.513672][ T3362] ? ref_tracker_free+0x3a1/0x400 [ 1090.518697][ T3362] netlink_rcv_skb+0x126/0x220 [ 1090.523532][ T3362] ? rtnetlink_bind+0x60/0x60 [ 1090.528215][ T3362] rtnetlink_rcv+0x1c/0x20 [ 1090.532737][ T3362] netlink_unicast+0x589/0x650 [ 1090.537515][ T3362] netlink_sendmsg+0x66e/0x770 [ 1090.542272][ T3362] ? netlink_getsockopt+0x3e0/0x3e0 [ 1090.547551][ T3362] ____sys_sendmsg+0x37c/0x4d0 [ 1090.552297][ T3362] __sys_sendmsg+0x1e9/0x270 [ 1090.556873][ T3362] __x64_sys_sendmsg+0x46/0x50 [ 1090.561668][ T3362] do_syscall_64+0x44/0x110 [ 1090.566156][ T3362] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1090.572140][ T3362] RIP: 0033:0x7f7bcc9aeae9 [ 1090.576600][ T3362] 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 [ 1090.596209][ T3362] RSP: 002b:00007f7bcbd310c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1090.604719][ T3362] RAX: ffffffffffffffda RBX: 00007f7bccacdf80 RCX: 00007f7bcc9aeae9 [ 1090.612802][ T3362] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1090.620763][ T3362] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1090.628714][ T3362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1090.636672][ T3362] R13: 000000000000000b R14: 00007f7bccacdf80 R15: 00007ffcd1f66038 [ 1090.644668][ T3362] [ 1090.647754][ T3362] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1090.669362][ T3369] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1090.678514][ T3369] CPU: 0 PID: 3369 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1090.688562][ T3369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1090.692680][ T3377] loop3: detected capacity change from 0 to 512 [ 1090.698617][ T3369] Call Trace: [ 1090.698625][ T3369] [ 1090.698632][ T3369] dump_stack_lvl+0xda/0x130 [ 1090.698660][ T3369] dump_stack+0x15/0x20 [ 1090.719983][ T3369] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1090.721175][ T3377] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1472/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1090.725119][ T3369] kobject_add_internal+0x3eb/0x730 [ 1090.725151][ T3369] kobject_add+0xdc/0x150 [ 1090.749469][ T3369] ? kobject_get+0x95/0xc0 [ 1090.753889][ T3369] ? kobject_put+0xd8/0x160 [ 1090.758410][ T3369] ? device_add+0x2ea/0x8b0 [ 1090.762975][ T3369] device_add+0x2f8/0x8b0 [ 1090.767353][ T3369] netdev_register_kobject+0xfc/0x230 [ 1090.772713][ T3369] register_netdevice+0x65b/0xb20 [ 1090.777753][ T3369] ip6_tnl_create2+0x87/0x210 [ 1090.782410][ T3369] ip6_tnl_newlink+0x2bf/0x460 [ 1090.787225][ T3369] ? ip6_tnl_validate+0x80/0x80 [ 1090.792130][ T3369] rtnl_newlink+0xee5/0x1670 [ 1090.796705][ T3369] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1090.802017][ T3369] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1090.808279][ T3369] ? _raw_spin_unlock+0x26/0x40 [ 1090.813213][ T3369] ? __mutex_lock+0x21c/0x8d0 [ 1090.817895][ T3369] ? rtnl_setlink+0x300/0x300 [ 1090.822586][ T3369] rtnetlink_rcv_msg+0x807/0x8c0 [ 1090.827527][ T3369] ? kmem_cache_free+0x1d9/0x380 [ 1090.832452][ T3369] ? __kfree_skb+0x104/0x140 [ 1090.837028][ T3369] ? nlmon_xmit+0x4b/0x60 [ 1090.841404][ T3369] ? __kfree_skb+0x104/0x140 [ 1090.845980][ T3369] ? consume_skb+0x57/0x180 [ 1090.850518][ T3369] ? nlmon_xmit+0x4b/0x60 [ 1090.854927][ T3369] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1090.860199][ T3369] ? __dev_queue_xmit+0xaae/0x1d80 [ 1090.865294][ T3369] ? ref_tracker_free+0x3a1/0x400 [ 1090.870404][ T3369] netlink_rcv_skb+0x126/0x220 [ 1090.875163][ T3369] ? rtnetlink_bind+0x60/0x60 [ 1090.879829][ T3369] rtnetlink_rcv+0x1c/0x20 [ 1090.884254][ T3369] netlink_unicast+0x589/0x650 [ 1090.889045][ T3369] netlink_sendmsg+0x66e/0x770 [ 1090.893883][ T3369] ? netlink_getsockopt+0x3e0/0x3e0 [ 1090.899113][ T3369] ____sys_sendmsg+0x37c/0x4d0 [ 1090.903882][ T3369] __sys_sendmsg+0x1e9/0x270 [ 1090.908468][ T3369] __x64_sys_sendmsg+0x46/0x50 [ 1090.913263][ T3369] do_syscall_64+0x44/0x110 [ 1090.917801][ T3369] ? syscall_exit_to_user_mode+0x38/0x140 [ 1090.923559][ T3369] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1090.929629][ T3369] RIP: 0033:0x7fd903c48ae9 [ 1090.934135][ T3369] 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 [ 1090.953747][ T3369] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1090.962150][ T3369] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 12:35:12 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x144, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:12 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$eJzs3c9vG1kdAPDvTOImm81usrASPwRsWRYKqmon7m602tNyAaHVSogVJw7ZkLhRFDuOYmdpQiXS/wGJSpzgT+CAxAGpJ+7c4MalHJAKVKAGiYPRjCdpSOMkbRMb7M9HGs28eeP5vldr3nO/SfwCGFlXI2IvIq5ExMcRMVOcT4ot3u9u2XWPH91Z3n90ZzmJTuejvyV5fXYujrwm83Jxz8mI+N63I36YPB23tbO7vlSv17aKcqXd2Ky0dnZvrDWWVmurtY1qdWF+Ye7dm+9UL6yvbzR+9fBbax98/7e/+eKD3+9948dZs6aLuqP9uEjdrpcO42TGI+KDywg2AGNFf64MuiE8lzQiPhURb+bP/0yM5e/m+ZzwWAMA/wc6nZnozBwtAwDDLs1zYElaLnIB05Gm5XI3h/d6TKX1Zqt9/VZze2OlmyubjVJ6a61emytyhbNRSrLyfH78pFw9Vr4ZEa9FxE8nXsrL5eXz5xkAgIv18rH5/58T3fkfABhyk2ddsNifdgAA/XPm/A8ADB3zPwCMHvM/AIwe8z8AjB7zPwCMnmL+Hxt0OwCAvvjuhx9mW2e/+P7rlU92ttebn9xYqbXWy43t5fJyc2uzvNpsrtZr5eVm46z71ZvNzfm3Y/t2pV1rtSutnd3FRnN7o72Yf6/3Yq3Ul14BAKd57Y37f0wiYu+9l/ItjqzlYK6G4ZYOugHAwMj5w+jyLdwwuvwfHzhrLc+evyJ87zmCdX7yHC8CLtq1z8n/w6iS/4fRJf8Po0v+H0ZXp5P0WvM/PbwEABgqcvxAX3/+DwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAENiOt+StFysBT4daVouR7wSEbNRSm6t1WtzEfFqRPxhojSRlecH3WgA4AWlf0mK9b+uzbw1fbz2SvKviXwfET/6+Uc/u73Ubm/NZ+f/fni+fa84Xx1E+wGAsxzM0wfz+IHHj+4sH2z9bM/Db3YXF83i7hdbt2Y8xvP9ZJQiYuofSVHuyj6vjF1A/L27EfHZk/qf5LmR2WLl0+Pxs9iv9DV++l/x07yuu8/+LT79DDHPWusVRsX9bPx5/6TnL42r+X7yxMWPJ/MR6sUdjH/7T41/6eH4N9Zj/Lt63hhv/+47PevuRnx+/KT4yWH8pEf8t84Z/09f+NKbveo6v4i4FifHPxqr0m5sVlo7uzfWGkurtdXaRrW6ML8w9+7Nd6qVPEddOchUP+2v711/9bT+T/WIP3lG/796aq87EwdHv/z3xz/48inxv/6Vk9//10+Jn82JXzs1/hNLU7/uuXx3Fn+l2/+7z/r+Xz9n/Ad/3l0556UAQB+0dnbXl+r12taFHpTigm945CC5pDY7GPKD7PP4i97nM0XK7H+gO5d9MOiRCbhsTx76QbcEAAAAAAAAAAAAAADo5dL/nCgddA8BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYZv8JAAD//wqryik=") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(0xffffffffffffffff, 0x800) lseek(r1, 0x20400, 0x0) pwritev2(r1, &(0x7f0000000000)=[{&(0x7f0000000280)="171f2aa94919d435645f1de4ff509efeafd027c55c28a1bcebf87826775f20e222b135242c5ae1887d55053584794f24193fbca7e71a8b29da5589ef768314c228a925fb2bbfc40f248828199ce92a3dd465fbafd7ba98f93d15df02a751c8f9bdf5479b3b53ee73adc13866814b3092b20540a1aaa87ec061f7803064512eb314a91c", 0x83}, {&(0x7f0000000340)="81b24fa3173d6caae0fad4a41ed445a76de4960bdca4709b2e96ef82550b52b523fd8f18f4484fa8f8ac36fb4863da11a5a6ce5851597b34a8bffb707cb38b3480b914b515ccd2401fdd68975def0c8cd0a6f93083cfb9451d0e0c7cb5014b39a3dd7022019286a735ad693e7585f6ff2786f6f829f2e9207659d3b94300621ddf0cbb587409d874a100ab7e5bdee78392e25c5a67475c95a9162dc28df1eef8f91b052ebffcd331f073890f1fc914a3fd3498b0604e6fe970a79db79b3abfc37e20148aba7d03d475d4ca3ad2d93efc3132c7a32398557bc397b36f0fe735a9cee0b9f2b79e8af2ed2a41e3267adddbd2ec", 0xf2}], 0x2, 0x1000, 0x3f, 0xa) r2 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 12:35:12 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x352, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1090.970105][ T3369] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1090.978062][ T3369] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1090.986086][ T3369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1090.994049][ T3369] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1091.002003][ T3369] [ 1091.005102][ T3369] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:12 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x84000, 0x0) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_FEATURES_SET(r0, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000340)={&(0x7f0000001080)={0x9e4, r1, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0x2f0, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x38, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*&\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}]}, @ETHTOOL_A_BITSET_MASK={0x50, 0x5, "dde6f24809917e00ed34d71fe4877b56720201b1987ce87f5a250e799dfc71032e55b345239b74aabe30fb634e7f2c177fdd84d61613718839260ad7b3fc1a82bf7b5e570d44e59c14e59f6c"}, @ETHTOOL_A_BITSET_BITS={0x3c, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffff54}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '&\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_BITS={0x188, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffff000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x64, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\\\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '(].!\x00'}, @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={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x18, 0x2, '::#\x1c\xc3[{\'^&]^)+/!:{%\x00'}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '{\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5ed}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80000000}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '(\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xf6}, @ETHTOOL_A_BITSET_MASK={0x97, 0x5, "63570f82854144134bf8164a454b156cfd0a0fc01bcb883eacf11b5dedf5d95dd173fb7fb740739cf4b6fdf0bcd505885268b160b4fabc5c009060f96efe6bb588d8f931b90e63d2ee42b023a126e31a4b6e4cbea158e67976313ebae1da657268c196fddec89d010214696c2cd7b9cb46dd9c81c366b5d5927e772ef9957e6bed34a4137d3b26fa90fcf2a0446c31665e3b28"}]}, @ETHTOOL_A_FEATURES_WANTED={0xbc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x2e, 0x4, "b54cce4799d4cfd4f9b0ccb6a51f270051fbb9bf9dd658c52ba07dc87a6a46536da04437aa4fd867d45f"}, @ETHTOOL_A_BITSET_BITS={0x6c, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8aa}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x10000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x800}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x230a}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0x4}]}, @ETHTOOL_A_FEATURES_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @ETHTOOL_A_FEATURES_HEADER={0x4}, @ETHTOOL_A_FEATURES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}]}, @ETHTOOL_A_FEATURES_WANTED={0x278, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0x31, 0x4, "ec3bf9349975a535c19da83ab288fc5efd6febd287676f43ca83b0d07b6d0bb391302eac8a41c4246acd0a8a8d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_VALUE={0x90, 0x4, "0006cd6714977094dbb35f4e1e9a35182c1a0451eba91361d1bff8b318b92996822e6eea0050e32adeabd8e6bfa44c80c305962441b9f47c12886482d9ca38c0ff78dd2b97ddb751209c30719e20233a50f73b909f4b3f7cf3d1c6c92c3fd21c4327339bb7a444520254f3acf231b0112d3f8ace92b458582d3c08fa8231ebab623d1494368f42da53f6d0ef"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x32}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x104, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '!{\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '[!!/,:-*{@&,]$(\xc5\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '$\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x90, 0x3, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0x1e, 0x2, ',&^),+\\-}#]*].\']!-){:)*).\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',\'\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x7}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @ETHTOOL_A_FEATURES_WANTED={0x2e4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfffff801}, @ETHTOOL_A_BITSET_VALUE={0x103, 0x4, "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"}, @ETHTOOL_A_BITSET_VALUE={0xd7, 0x4, "0838ea76a2ff001dcd56446d210a8fc4438949853124bad19b44c5c509a62063f8ea5d986d0ec8270c76ca571bf01d9a50fcb3f7cb2895262c16539b42075faf34577db1ac2f344903d41f60f17b89fbf604f8736f796bebcccabe59ecef83cc41cb2b8015af45614e5ea108f472ffd0513e3d48154fd9f2d2e6d5e6f6ad9d425641989a7a9624ba5065d5137314f6f9d19b0f8a47c7b80707ac6ae11ccdd3b2a51ec1da51699bdfe67c0f1ee0cc570e0ccda00d36e53b9683be5af48dc6b0f17d89e752a3ba475a3e53125471eeb892f2e3c4"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfe45}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x400}, @ETHTOOL_A_BITSET_MASK={0x45, 0x5, "b9ebeeb8fb800e9672185ff5f25df9d18d717b68918f720fe9b763ec87492bbc6170e6e1c03e7a4a506519d143746b68a65ebd6d0ccb69cfb62ede396adf314dd3"}, @ETHTOOL_A_BITSET_BITS={0xa0, 0x3, 0x0, 0x1, [{0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '*\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x401}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3f}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x28f}]}]}]}, @ETHTOOL_A_FEATURES_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x9e4}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) r2 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f00000005c0)) r3 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) syz_genetlink_get_family_id$l2tp(&(0x7f00000003c0), r3) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r4, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r4, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) sendmsg$IPVS_CMD_SET_SERVICE(r4, &(0x7f00000007c0)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000580)={&(0x7f0000000700)={0xb8, 0x0, 0x418, 0x70bd25, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x40}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}]}, @IPVS_CMD_ATTR_DAEMON={0x40, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x24}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syzkaller0\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x9}, @IPVS_CMD_ATTR_DEST={0x38, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e22}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@dev={0xac, 0x14, 0x14, 0xc}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x40}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4054}, 0x808) getdents(r3, &(0x7f0000001fc0)=""/184, 0xb8) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r6 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r7 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r7, 0x800) lseek(r6, 0x20400, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)={0x48, r9, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_LINKMODES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @ETHTOOL_A_LINKMODES_SPEED={0x8}, @ETHTOOL_A_LINKMODES_OURS={0x14, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}]}]}]}, 0x48}}, 0x0) sendmsg$ETHTOOL_MSG_DEBUG_SET(r3, &(0x7f0000000480)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000600)={0x8c, r9, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@ETHTOOL_A_DEBUG_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}]}, @ETHTOOL_A_DEBUG_MSGMASK={0x40, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0x28, 0x5, "c48bed8d56260e60e57611fe11f602700a3799d6962d75c99bf68714ff0bcd7544919e1d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3ad5}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_DEBUG_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) r10 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r6, r10, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r5, 0x6609) r11 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x4) ioctl$EXT4_IOC_MIGRATE(r11, 0x6609) [ 1091.046840][ T3385] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1091.056002][ T3385] CPU: 0 PID: 3385 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1091.066037][ T3385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1091.066983][ T3388] loop2: detected capacity change from 0 to 512 [ 1091.076082][ T3385] Call Trace: [ 1091.076110][ T3385] [ 1091.076117][ T3385] dump_stack_lvl+0xda/0x130 [ 1091.093150][ T3385] dump_stack+0x15/0x20 [ 1091.097399][ T3385] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1091.102508][ T3385] kobject_add_internal+0x3eb/0x730 [ 1091.107699][ T3385] kobject_add+0xdc/0x150 [ 1091.112050][ T3385] ? kobject_get+0x95/0xc0 [ 1091.116475][ T3385] ? kobject_put+0xd8/0x160 [ 1091.120968][ T3385] ? device_add+0x2ea/0x8b0 [ 1091.125518][ T3385] device_add+0x2f8/0x8b0 [ 1091.129846][ T3385] netdev_register_kobject+0xfc/0x230 [ 1091.135306][ T3385] register_netdevice+0x65b/0xb20 [ 1091.140331][ T3385] ip6_tnl_create2+0x87/0x210 [ 1091.145043][ T3385] ip6_tnl_newlink+0x2bf/0x460 [ 1091.149828][ T3385] ? ip6_tnl_validate+0x80/0x80 [ 1091.154713][ T3385] rtnl_newlink+0xee5/0x1670 [ 1091.159307][ T3385] ? security_capable+0x5e/0x80 [ 1091.164149][ T3385] ? ns_capable+0x7c/0xb0 [ 1091.168552][ T3385] ? rtnl_setlink+0x300/0x300 [ 1091.173233][ T3385] rtnetlink_rcv_msg+0x807/0x8c0 [ 1091.178246][ T3385] ? kmem_cache_free+0x1d9/0x380 [ 1091.183245][ T3385] ? __kfree_skb+0x104/0x140 [ 1091.187835][ T3385] ? nlmon_xmit+0x4b/0x60 [ 1091.192171][ T3385] ? __kfree_skb+0x104/0x140 [ 1091.196810][ T3385] ? consume_skb+0x57/0x180 [ 1091.201337][ T3385] ? nlmon_xmit+0x4b/0x60 [ 1091.205733][ T3385] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1091.211026][ T3385] ? __dev_queue_xmit+0xaae/0x1d80 [ 1091.216154][ T3385] ? ref_tracker_free+0x3a1/0x400 [ 1091.221220][ T3385] netlink_rcv_skb+0x126/0x220 [ 1091.226026][ T3385] ? rtnetlink_bind+0x60/0x60 [ 1091.230710][ T3385] rtnetlink_rcv+0x1c/0x20 [ 1091.235177][ T3385] netlink_unicast+0x589/0x650 [ 1091.239978][ T3385] netlink_sendmsg+0x66e/0x770 [ 1091.244782][ T3385] ? netlink_getsockopt+0x3e0/0x3e0 [ 1091.249981][ T3385] ____sys_sendmsg+0x37c/0x4d0 [ 1091.254760][ T3385] __sys_sendmsg+0x1e9/0x270 [ 1091.259458][ T3385] __x64_sys_sendmsg+0x46/0x50 [ 1091.264213][ T3385] do_syscall_64+0x44/0x110 [ 1091.268719][ T3385] ? syscall_exit_to_user_mode+0x38/0x140 [ 1091.274434][ T3385] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1091.280375][ T3385] RIP: 0033:0x7fd903c48ae9 [ 1091.284785][ T3385] 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 [ 1091.304403][ T3385] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1091.312863][ T3385] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1091.320856][ T3385] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1091.328827][ T3385] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1091.336856][ T3385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:12 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = socket$bt_hidp(0x1f, 0x3, 0x6) sendfile(r2, r1, &(0x7f0000000000)=0x9, 0x100) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r1, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r4, 0x0, 0x80001d00c0d0) [ 1091.344818][ T3385] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1091.352830][ T3385] [ 1091.355957][ T3385] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1091.365718][ T3388] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1483/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1091.374353][ T3386] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' 12:35:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x354, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1091.394689][ T3386] CPU: 0 PID: 3386 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1091.404742][ T3386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1091.414892][ T3386] Call Trace: [ 1091.418172][ T3386] [ 1091.421107][ T3386] dump_stack_lvl+0xda/0x130 [ 1091.425744][ T3386] dump_stack+0x15/0x20 [ 1091.429905][ T3386] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1091.435059][ T3386] kobject_add_internal+0x3eb/0x730 [ 1091.440344][ T3386] kobject_add+0xdc/0x150 [ 1091.440833][ T3393] loop3: detected capacity change from 0 to 512 [ 1091.444673][ T3386] ? kobject_get+0x95/0xc0 [ 1091.455343][ T3386] ? kobject_put+0xd8/0x160 [ 1091.455737][ T3393] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1473/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1091.459836][ T3386] ? device_add+0x2ea/0x8b0 [ 1091.459868][ T3386] device_add+0x2f8/0x8b0 [ 1091.459894][ T3386] netdev_register_kobject+0xfc/0x230 [ 1091.459922][ T3386] register_netdevice+0x65b/0xb20 [ 1091.485829][ T3399] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3399 comm=syz-executor.2 [ 1091.488879][ T3386] ip6_tnl_create2+0x87/0x210 [ 1091.488903][ T3386] ip6_tnl_newlink+0x2bf/0x460 [ 1091.516006][ T3386] ? ip6_tnl_validate+0x80/0x80 [ 1091.520980][ T3386] rtnl_newlink+0xee5/0x1670 [ 1091.525561][ T3386] ? security_capable+0x5e/0x80 [ 1091.530401][ T3386] ? ns_capable+0x7c/0xb0 [ 1091.534807][ T3386] ? rtnl_setlink+0x300/0x300 [ 1091.539534][ T3386] rtnetlink_rcv_msg+0x807/0x8c0 [ 1091.544489][ T3386] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1091.550747][ T3386] ? _raw_spin_unlock+0x26/0x40 [ 1091.555654][ T3386] ? __mutex_lock+0x21c/0x8d0 [ 1091.560317][ T3386] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1091.566285][ T3386] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1091.571430][ T3386] ? __rcu_read_unlock+0x4d/0x70 [ 1091.576352][ T3386] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1091.581550][ T3386] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1091.586910][ T3386] ? __rcu_read_unlock+0x4d/0x70 [ 1091.591884][ T3386] ? __rcu_read_unlock+0x4d/0x70 [ 1091.596913][ T3386] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1091.602267][ T3386] netlink_rcv_skb+0x126/0x220 [ 1091.607050][ T3386] ? rtnetlink_bind+0x60/0x60 [ 1091.611803][ T3386] rtnetlink_rcv+0x1c/0x20 [ 1091.616298][ T3386] netlink_unicast+0x589/0x650 [ 1091.621102][ T3386] netlink_sendmsg+0x66e/0x770 [ 1091.625953][ T3386] ? netlink_getsockopt+0x3e0/0x3e0 [ 1091.631167][ T3386] ____sys_sendmsg+0x37c/0x4d0 [ 1091.635947][ T3386] __sys_sendmsg+0x1e9/0x270 [ 1091.640527][ T3386] __x64_sys_sendmsg+0x46/0x50 [ 1091.645445][ T3386] do_syscall_64+0x44/0x110 [ 1091.649984][ T3386] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1091.655963][ T3386] RIP: 0033:0x7f7033abcae9 [ 1091.660364][ T3386] 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 [ 1091.679964][ T3386] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1091.688366][ T3386] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1091.696352][ T3386] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1091.704309][ T3386] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1091.712304][ T3386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1091.720287][ T3386] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1091.728241][ T3386] [ 1091.731310][ T3386] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:13 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0xa, &(0x7f0000000580)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r0}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x3, 0x2, 0x2, 0x3}, {0x0, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:35:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x156, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1091.747724][ T3396] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1091.756937][ T3396] CPU: 1 PID: 3396 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1091.766972][ T3396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1091.777030][ T3396] Call Trace: [ 1091.780309][ T3396] [ 1091.783240][ T3396] dump_stack_lvl+0xda/0x130 [ 1091.786615][ T3388] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1091.787825][ T3396] dump_stack+0x15/0x20 [ 1091.787850][ T3396] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1091.800214][ T3388] EXT4-fs error (device loop2): ext4_dirty_inode:5965: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1091.804104][ T3396] kobject_add_internal+0x3eb/0x730 [ 1091.809767][ T3388] EXT4-fs error (device loop2): ext4_do_update_inode:5105: inode #19: comm syz-executor.2: corrupted inode contents [ 1091.820814][ T3396] kobject_add+0xdc/0x150 [ 1091.820835][ T3396] ? kobject_get+0x95/0xc0 12:35:13 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = socket$bt_hidp(0x1f, 0x3, 0x6) sendfile(r2, r1, &(0x7f0000000000)=0x9, 0x100) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r1, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r4, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) socket$bt_hidp(0x1f, 0x3, 0x6) (async) sendfile(r2, r1, &(0x7f0000000000)=0x9, 0x100) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r3, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r4, 0x0, 0x80001d00c0d0) (async) [ 1091.820863][ T3396] ? kobject_put+0xd8/0x160 [ 1091.820879][ T3396] ? device_add+0x2ea/0x8b0 [ 1091.820924][ T3396] device_add+0x2f8/0x8b0 [ 1091.830256][ T3388] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3005: inode #19: comm syz-executor.2: mark_inode_dirty error [ 1091.838214][ T3396] netdev_register_kobject+0xfc/0x230 [ 1091.838249][ T3396] register_netdevice+0x65b/0xb20 [ 1091.843352][ T3388] EXT4-fs error (device loop2): ext4_xattr_delete_inode:3008: inode #19: comm syz-executor.2: mark inode dirty (error -117) [ 1091.846949][ T3396] ip6_tnl_create2+0x87/0x210 [ 1091.846972][ T3396] ip6_tnl_newlink+0x2bf/0x460 [ 1091.851609][ T3388] EXT4-fs warning (device loop2): ext4_evict_inode:271: xattr delete (err -117) [ 1091.855925][ T3396] ? ip6_tnl_validate+0x80/0x80 [ 1091.855957][ T3396] rtnl_newlink+0xee5/0x1670 [ 1091.923719][ T3396] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1091.930016][ T3396] ? _raw_spin_unlock+0x26/0x40 [ 1091.934902][ T3396] ? __mutex_lock+0x21c/0x8d0 [ 1091.939579][ T3396] ? rtnl_setlink+0x300/0x300 [ 1091.944275][ T3396] rtnetlink_rcv_msg+0x807/0x8c0 [ 1091.949233][ T3396] ? kmem_cache_free+0x1d9/0x380 [ 1091.954161][ T3396] ? __kfree_skb+0x104/0x140 [ 1091.958740][ T3396] ? nlmon_xmit+0x4b/0x60 [ 1091.963050][ T3396] ? __kfree_skb+0x104/0x140 [ 1091.967747][ T3396] ? consume_skb+0x57/0x180 [ 1091.972236][ T3396] ? nlmon_xmit+0x4b/0x60 [ 1091.976545][ T3396] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1091.981813][ T3396] ? __dev_queue_xmit+0xaae/0x1d80 [ 1091.987033][ T3396] ? ref_tracker_free+0x3a1/0x400 [ 1091.992043][ T3396] netlink_rcv_skb+0x126/0x220 [ 1091.996882][ T3396] ? rtnetlink_bind+0x60/0x60 [ 1092.001571][ T3396] rtnetlink_rcv+0x1c/0x20 [ 1092.006071][ T3396] netlink_unicast+0x589/0x650 [ 1092.010850][ T3396] netlink_sendmsg+0x66e/0x770 [ 1092.015606][ T3396] ? netlink_getsockopt+0x3e0/0x3e0 [ 1092.020902][ T3396] ____sys_sendmsg+0x37c/0x4d0 [ 1092.025690][ T3396] __sys_sendmsg+0x1e9/0x270 [ 1092.030431][ T3396] ? wake_up_q+0x3f/0x70 [ 1092.034721][ T3396] __x64_sys_sendmsg+0x46/0x50 [ 1092.039465][ T3396] do_syscall_64+0x44/0x110 [ 1092.043957][ T3396] ? syscall_exit_to_user_mode+0x38/0x140 [ 1092.049822][ T3396] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1092.055708][ T3396] RIP: 0033:0x7fd903c48ae9 [ 1092.060102][ T3396] 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 [ 1092.079690][ T3396] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1092.088201][ T3396] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1092.096153][ T3396] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1092.104173][ T3396] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1092.112173][ T3396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1092.120132][ T3396] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1092.128125][ T3396] [ 1092.131240][ T3396] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1092.133591][ T3126] EXT4-fs unmount: 38 callbacks suppressed 12:35:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x366, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:13 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$eJzs3c9vG1kdAPDvTOImm81usrASPwRsWRYKqmon7m602tNyAaHVSogVJw7ZkLhRFDuOYmdpQiXS/wGJSpzgT+CAxAGpJ+7c4MalHJAKVKAGiYPRjCdpSOMkbRMb7M9HGs28eeP5vldr3nO/SfwCGFlXI2IvIq5ExMcRMVOcT4ot3u9u2XWPH91Z3n90ZzmJTuejvyV5fXYujrwm83Jxz8mI+N63I36YPB23tbO7vlSv17aKcqXd2Ky0dnZvrDWWVmurtY1qdWF+Ye7dm+9UL6yvbzR+9fBbax98/7e/+eKD3+9948dZs6aLuqP9uEjdrpcO42TGI+KDywg2AGNFf64MuiE8lzQiPhURb+bP/0yM5e/m+ZzwWAMA/wc6nZnozBwtAwDDLs1zYElaLnIB05Gm5XI3h/d6TKX1Zqt9/VZze2OlmyubjVJ6a61emytyhbNRSrLyfH78pFw9Vr4ZEa9FxE8nXsrL5eXz5xkAgIv18rH5/58T3fkfABhyk2ddsNifdgAA/XPm/A8ADB3zPwCMHvM/AIwe8z8AjB7zPwCMnmL+Hxt0OwCAvvjuhx9mW2e/+P7rlU92ttebn9xYqbXWy43t5fJyc2uzvNpsrtZr5eVm46z71ZvNzfm3Y/t2pV1rtSutnd3FRnN7o72Yf6/3Yq3Ul14BAKd57Y37f0wiYu+9l/ItjqzlYK6G4ZYOugHAwMj5w+jyLdwwuvwfHzhrLc+evyJ87zmCdX7yHC8CLtq1z8n/w6iS/4fRJf8Po0v+H0ZXp5P0WvM/PbwEABgqcvxAX3/+DwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAENiOt+StFysBT4daVouR7wSEbNRSm6t1WtzEfFqRPxhojSRlecH3WgA4AWlf0mK9b+uzbw1fbz2SvKviXwfET/6+Uc/u73Ubm/NZ+f/fni+fa84Xx1E+wGAsxzM0wfz+IHHj+4sH2z9bM/Db3YXF83i7hdbt2Y8xvP9ZJQiYuofSVHuyj6vjF1A/L27EfHZk/qf5LmR2WLl0+Pxs9iv9DV++l/x07yuu8/+LT79DDHPWusVRsX9bPx5/6TnL42r+X7yxMWPJ/MR6sUdjH/7T41/6eH4N9Zj/Lt63hhv/+47PevuRnx+/KT4yWH8pEf8t84Z/09f+NKbveo6v4i4FifHPxqr0m5sVlo7uzfWGkurtdXaRrW6ML8w9+7Nd6qVPEddOchUP+2v711/9bT+T/WIP3lG/796aq87EwdHv/z3xz/48inxv/6Vk9//10+Jn82JXzs1/hNLU7/uuXx3Fn+l2/+7z/r+Xz9n/Ad/3l0556UAQB+0dnbXl+r12taFHpTigm945CC5pDY7GPKD7PP4i97nM0XK7H+gO5d9MOiRCbhsTx76QbcEAAAAAAAAAAAAAADo5dL/nCgddA8BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYZv8JAAD//wqryik=") (async) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x84000, 0x0) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_FEATURES_SET(r0, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000340)={&(0x7f0000001080)={0x9e4, r1, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0x2f0, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x38, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*&\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}]}, @ETHTOOL_A_BITSET_MASK={0x50, 0x5, "dde6f24809917e00ed34d71fe4877b56720201b1987ce87f5a250e799dfc71032e55b345239b74aabe30fb634e7f2c177fdd84d61613718839260ad7b3fc1a82bf7b5e570d44e59c14e59f6c"}, @ETHTOOL_A_BITSET_BITS={0x3c, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffff54}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '&\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_BITS={0x188, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffff000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x64, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\\\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '(].!\x00'}, @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={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x18, 0x2, '::#\x1c\xc3[{\'^&]^)+/!:{%\x00'}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '{\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5ed}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80000000}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '(\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xf6}, @ETHTOOL_A_BITSET_MASK={0x97, 0x5, "63570f82854144134bf8164a454b156cfd0a0fc01bcb883eacf11b5dedf5d95dd173fb7fb740739cf4b6fdf0bcd505885268b160b4fabc5c009060f96efe6bb588d8f931b90e63d2ee42b023a126e31a4b6e4cbea158e67976313ebae1da657268c196fddec89d010214696c2cd7b9cb46dd9c81c366b5d5927e772ef9957e6bed34a4137d3b26fa90fcf2a0446c31665e3b28"}]}, @ETHTOOL_A_FEATURES_WANTED={0xbc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x2e, 0x4, "b54cce4799d4cfd4f9b0ccb6a51f270051fbb9bf9dd658c52ba07dc87a6a46536da04437aa4fd867d45f"}, @ETHTOOL_A_BITSET_BITS={0x6c, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8aa}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x10000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x800}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x230a}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0x4}]}, @ETHTOOL_A_FEATURES_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @ETHTOOL_A_FEATURES_HEADER={0x4}, @ETHTOOL_A_FEATURES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}]}, @ETHTOOL_A_FEATURES_WANTED={0x278, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0x31, 0x4, "ec3bf9349975a535c19da83ab288fc5efd6febd287676f43ca83b0d07b6d0bb391302eac8a41c4246acd0a8a8d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_VALUE={0x90, 0x4, "0006cd6714977094dbb35f4e1e9a35182c1a0451eba91361d1bff8b318b92996822e6eea0050e32adeabd8e6bfa44c80c305962441b9f47c12886482d9ca38c0ff78dd2b97ddb751209c30719e20233a50f73b909f4b3f7cf3d1c6c92c3fd21c4327339bb7a444520254f3acf231b0112d3f8ace92b458582d3c08fa8231ebab623d1494368f42da53f6d0ef"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x32}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x104, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '!{\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '[!!/,:-*{@&,]$(\xc5\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '$\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x90, 0x3, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0x1e, 0x2, ',&^),+\\-}#]*].\']!-){:)*).\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',\'\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x7}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @ETHTOOL_A_FEATURES_WANTED={0x2e4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfffff801}, @ETHTOOL_A_BITSET_VALUE={0x103, 0x4, "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"}, @ETHTOOL_A_BITSET_VALUE={0xd7, 0x4, "0838ea76a2ff001dcd56446d210a8fc4438949853124bad19b44c5c509a62063f8ea5d986d0ec8270c76ca571bf01d9a50fcb3f7cb2895262c16539b42075faf34577db1ac2f344903d41f60f17b89fbf604f8736f796bebcccabe59ecef83cc41cb2b8015af45614e5ea108f472ffd0513e3d48154fd9f2d2e6d5e6f6ad9d425641989a7a9624ba5065d5137314f6f9d19b0f8a47c7b80707ac6ae11ccdd3b2a51ec1da51699bdfe67c0f1ee0cc570e0ccda00d36e53b9683be5af48dc6b0f17d89e752a3ba475a3e53125471eeb892f2e3c4"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfe45}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x400}, @ETHTOOL_A_BITSET_MASK={0x45, 0x5, "b9ebeeb8fb800e9672185ff5f25df9d18d717b68918f720fe9b763ec87492bbc6170e6e1c03e7a4a506519d143746b68a65ebd6d0ccb69cfb62ede396adf314dd3"}, @ETHTOOL_A_BITSET_BITS={0xa0, 0x3, 0x0, 0x1, [{0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '*\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x401}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3f}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x28f}]}]}]}, @ETHTOOL_A_FEATURES_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x9e4}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f00000005c0)) r3 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) syz_genetlink_get_family_id$l2tp(&(0x7f00000003c0), r3) (async) syz_genetlink_get_family_id$l2tp(&(0x7f00000003c0), r3) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r4, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r4, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) sendmsg$IPVS_CMD_SET_SERVICE(r4, &(0x7f00000007c0)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000580)={&(0x7f0000000700)={0xb8, 0x0, 0x418, 0x70bd25, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x40}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}]}, @IPVS_CMD_ATTR_DAEMON={0x40, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x24}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syzkaller0\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x9}, @IPVS_CMD_ATTR_DEST={0x38, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e22}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@dev={0xac, 0x14, 0x14, 0xc}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x40}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4054}, 0x808) (async) sendmsg$IPVS_CMD_SET_SERVICE(r4, &(0x7f00000007c0)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000580)={&(0x7f0000000700)={0xb8, 0x0, 0x418, 0x70bd25, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x40}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}]}, @IPVS_CMD_ATTR_DAEMON={0x40, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x24}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syzkaller0\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x9}, @IPVS_CMD_ATTR_DEST={0x38, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e22}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@dev={0xac, 0x14, 0x14, 0xc}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x40}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4054}, 0x808) getdents(r3, &(0x7f0000001fc0)=""/184, 0xb8) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) r6 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r7 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r7, 0x800) lseek(r6, 0x20400, 0x0) (async) lseek(r6, 0x20400, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)={0x48, r9, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_LINKMODES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @ETHTOOL_A_LINKMODES_SPEED={0x8}, @ETHTOOL_A_LINKMODES_OURS={0x14, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}]}]}]}, 0x48}}, 0x0) (async) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)={0x48, r9, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_LINKMODES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @ETHTOOL_A_LINKMODES_SPEED={0x8}, @ETHTOOL_A_LINKMODES_OURS={0x14, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}]}]}]}, 0x48}}, 0x0) sendmsg$ETHTOOL_MSG_DEBUG_SET(r3, &(0x7f0000000480)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000600)={0x8c, r9, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@ETHTOOL_A_DEBUG_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}]}, @ETHTOOL_A_DEBUG_MSGMASK={0x40, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0x28, 0x5, "c48bed8d56260e60e57611fe11f602700a3799d6962d75c99bf68714ff0bcd7544919e1d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3ad5}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_DEBUG_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) r10 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r6, r10, 0x0, 0x80001d00c0d0) (async) sendfile(r6, r10, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r5, 0x6609) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x4) (async) r11 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x4) ioctl$EXT4_IOC_MIGRATE(r11, 0x6609) 12:35:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x16a, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:13 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0xa, &(0x7f0000000580)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r0}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x3, 0x2, 0x2, 0x3}, {0x0, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1092.133602][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1092.161504][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1092.188242][ T3417] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1092.197442][ T3417] CPU: 0 PID: 3417 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1092.200445][ T3422] loop4: detected capacity change from 0 to 512 [ 1092.207406][ T3417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1092.207421][ T3417] Call Trace: [ 1092.207427][ T3417] [ 1092.207434][ T3417] dump_stack_lvl+0xda/0x130 [ 1092.234486][ T3417] dump_stack+0x15/0x20 [ 1092.238649][ T3417] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1092.243309][ T3422] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1092.243768][ T3417] kobject_add_internal+0x3eb/0x730 [ 1092.243802][ T3417] kobject_add+0xdc/0x150 [ 1092.257467][ T3422] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1442/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1092.261368][ T3417] ? kobject_get+0x95/0xc0 [ 1092.285032][ T3417] ? kobject_put+0xd8/0x160 [ 1092.289518][ T3417] ? device_add+0x2ea/0x8b0 [ 1092.294048][ T3417] device_add+0x2f8/0x8b0 [ 1092.298433][ T3417] netdev_register_kobject+0xfc/0x230 [ 1092.303868][ T3417] register_netdevice+0x65b/0xb20 [ 1092.308945][ T3417] ip6_tnl_create2+0x87/0x210 [ 1092.313654][ T3417] ip6_tnl_newlink+0x2bf/0x460 [ 1092.318406][ T3417] ? ip6_tnl_validate+0x80/0x80 [ 1092.323318][ T3417] rtnl_newlink+0xee5/0x1670 [ 1092.327913][ T3417] ? security_capable+0x5e/0x80 [ 1092.332774][ T3417] ? ns_capable+0x7c/0xb0 [ 1092.337214][ T3417] ? rtnl_setlink+0x300/0x300 [ 1092.341932][ T3417] rtnetlink_rcv_msg+0x807/0x8c0 [ 1092.346861][ T3417] ? kmem_cache_free+0x1d9/0x380 [ 1092.351808][ T3417] ? __kfree_skb+0x104/0x140 [ 1092.356386][ T3417] ? nlmon_xmit+0x4b/0x60 [ 1092.360719][ T3417] ? __kfree_skb+0x104/0x140 [ 1092.365294][ T3417] ? consume_skb+0x57/0x180 [ 1092.369784][ T3417] ? nlmon_xmit+0x4b/0x60 [ 1092.374101][ T3417] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1092.379477][ T3417] ? __dev_queue_xmit+0xaae/0x1d80 [ 1092.384628][ T3417] ? ref_tracker_free+0x3a1/0x400 [ 1092.389703][ T3417] netlink_rcv_skb+0x126/0x220 [ 1092.394582][ T3417] ? rtnetlink_bind+0x60/0x60 [ 1092.399336][ T3417] rtnetlink_rcv+0x1c/0x20 [ 1092.403837][ T3417] netlink_unicast+0x589/0x650 [ 1092.408663][ T3417] netlink_sendmsg+0x66e/0x770 [ 1092.413448][ T3417] ? netlink_getsockopt+0x3e0/0x3e0 [ 1092.418653][ T3417] ____sys_sendmsg+0x37c/0x4d0 [ 1092.423401][ T3417] __sys_sendmsg+0x1e9/0x270 [ 1092.428010][ T3417] __x64_sys_sendmsg+0x46/0x50 [ 1092.432870][ T3417] do_syscall_64+0x44/0x110 [ 1092.437357][ T3417] ? syscall_exit_to_user_mode+0x38/0x140 [ 1092.443120][ T3417] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1092.449042][ T3417] RIP: 0033:0x7fd903c48ae9 [ 1092.453489][ T3417] 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 [ 1092.473107][ T3417] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1092.481575][ T3417] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1092.489531][ T3417] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:35:14 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(0xffffffffffffffff, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) pwritev2(r1, &(0x7f0000000000)=[{&(0x7f0000000280)="171f2aa94919d435645f1de4ff509efeafd027c55c28a1bcebf87826775f20e222b135242c5ae1887d55053584794f24193fbca7e71a8b29da5589ef768314c228a925fb2bbfc40f248828199ce92a3dd465fbafd7ba98f93d15df02a751c8f9bdf5479b3b53ee73adc13866814b3092b20540a1aaa87ec061f7803064512eb314a91c", 0x83}, {&(0x7f0000000340)="81b24fa3173d6caae0fad4a41ed445a76de4960bdca4709b2e96ef82550b52b523fd8f18f4484fa8f8ac36fb4863da11a5a6ce5851597b34a8bffb707cb38b3480b914b515ccd2401fdd68975def0c8cd0a6f93083cfb9451d0e0c7cb5014b39a3dd7022019286a735ad693e7585f6ff2786f6f829f2e9207659d3b94300621ddf0cbb587409d874a100ab7e5bdee78392e25c5a67475c95a9162dc28df1eef8f91b052ebffcd331f073890f1fc914a3fd3498b0604e6fe970a79db79b3abfc37e20148aba7d03d475d4ca3ad2d93efc3132c7a32398557bc397b36f0fe735a9cee0b9f2b79e8af2ed2a41e3267adddbd2ec", 0xf2}], 0x2, 0x1000, 0x3f, 0xa) (async) r2 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) [ 1092.497561][ T3417] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1092.505591][ T3417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1092.513541][ T3417] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1092.521504][ T3417] [ 1092.524719][ T3417] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1092.544425][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1092.554373][ T3426] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1092.556417][ T3433] loop3: detected capacity change from 0 to 512 [ 1092.563482][ T3426] CPU: 1 PID: 3426 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1092.579657][ T3426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1092.589695][ T3426] Call Trace: [ 1092.592958][ T3426] [ 1092.595874][ T3426] dump_stack_lvl+0xda/0x130 [ 1092.600455][ T3426] dump_stack+0x15/0x20 [ 1092.604692][ T3426] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1092.609799][ T3426] kobject_add_internal+0x3eb/0x730 [ 1092.614982][ T3426] kobject_add+0xdc/0x150 [ 1092.619375][ T3426] ? kobject_get+0x95/0xc0 [ 1092.623776][ T3426] ? kobject_put+0xd8/0x160 [ 1092.628299][ T3426] ? device_add+0x2ea/0x8b0 [ 1092.632795][ T3426] device_add+0x2f8/0x8b0 [ 1092.637117][ T3426] netdev_register_kobject+0xfc/0x230 [ 1092.642487][ T3426] register_netdevice+0x65b/0xb20 [ 1092.647575][ T3426] ip6_tnl_create2+0x87/0x210 [ 1092.652238][ T3426] ip6_tnl_newlink+0x2bf/0x460 [ 1092.657001][ T3426] ? ip6_tnl_validate+0x80/0x80 [ 1092.661861][ T3426] rtnl_newlink+0xee5/0x1670 [ 1092.666443][ T3426] ? rtnl_newlink+0x2b1/0x1670 [ 1092.671342][ T3426] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1092.677572][ T3426] ? _raw_spin_unlock+0x26/0x40 [ 1092.682521][ T3426] ? __mutex_lock+0x21c/0x8d0 [ 1092.687187][ T3426] ? rtnl_setlink+0x300/0x300 [ 1092.691902][ T3426] rtnetlink_rcv_msg+0x807/0x8c0 [ 1092.696834][ T3426] ? enqueue_task_fair+0x26c/0x800 [ 1092.701937][ T3426] ? check_preempt_wakeup_fair+0x1db/0x200 [ 1092.707753][ T3426] ? _raw_spin_unlock+0x26/0x40 [ 1092.712603][ T3426] ? kmem_cache_free+0x1d9/0x380 [ 1092.717582][ T3426] ? __kfree_skb+0x104/0x140 [ 1092.722180][ T3426] ? nlmon_xmit+0x4b/0x60 [ 1092.726504][ T3426] ? __kfree_skb+0x104/0x140 [ 1092.731121][ T3426] ? consume_skb+0x57/0x180 [ 1092.735726][ T3426] ? nlmon_xmit+0x4b/0x60 [ 1092.740042][ T3426] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1092.745396][ T3426] ? __dev_queue_xmit+0xaae/0x1d80 [ 1092.750559][ T3426] ? ref_tracker_free+0x3a1/0x400 [ 1092.755574][ T3426] netlink_rcv_skb+0x126/0x220 [ 1092.760378][ T3426] ? rtnetlink_bind+0x60/0x60 [ 1092.765162][ T3426] rtnetlink_rcv+0x1c/0x20 [ 1092.769593][ T3426] netlink_unicast+0x589/0x650 [ 1092.774361][ T3426] netlink_sendmsg+0x66e/0x770 [ 1092.779159][ T3426] ? netlink_getsockopt+0x3e0/0x3e0 [ 1092.784366][ T3426] ____sys_sendmsg+0x37c/0x4d0 [ 1092.789187][ T3426] __sys_sendmsg+0x1e9/0x270 [ 1092.793832][ T3426] __x64_sys_sendmsg+0x46/0x50 [ 1092.798580][ T3426] do_syscall_64+0x44/0x110 [ 1092.803123][ T3426] ? syscall_exit_to_user_mode+0x38/0x140 [ 1092.808897][ T3426] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1092.814930][ T3426] RIP: 0033:0x7f7bcc9aeae9 [ 1092.819383][ T3426] 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 [ 1092.839011][ T3426] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1092.847409][ T3426] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 12:35:14 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x368, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1092.855366][ T3426] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1092.863426][ T3426] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1092.871381][ T3426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1092.879338][ T3426] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1092.887326][ T3426] [ 1092.890442][ T3426] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1092.926586][ T3439] loop4: detected capacity change from 0 to 512 [ 1092.935060][ T3431] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1092.939076][ T3441] loop2: detected capacity change from 0 to 512 [ 1092.944263][ T3431] CPU: 1 PID: 3431 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1092.953533][ T3439] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1092.960426][ T3431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1092.960440][ T3431] Call Trace: [ 1092.960447][ T3431] [ 1092.960454][ T3431] dump_stack_lvl+0xda/0x130 [ 1092.973292][ T3439] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1443/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1092.982976][ T3431] dump_stack+0x15/0x20 [ 1092.983001][ T3431] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1092.991036][ T3433] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1092.993807][ T3431] kobject_add_internal+0x3eb/0x730 [ 1092.993833][ T3431] kobject_add+0xdc/0x150 [ 1093.011592][ T3433] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1474/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1093.012796][ T3431] ? kobject_get+0x95/0xc0 [ 1093.012883][ T3431] ? kobject_put+0xd8/0x160 [ 1093.012900][ T3431] ? device_add+0x2ea/0x8b0 [ 1093.012930][ T3431] device_add+0x2f8/0x8b0 [ 1093.012959][ T3431] netdev_register_kobject+0xfc/0x230 [ 1093.035654][ T3441] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1093.040028][ T3431] register_netdevice+0x65b/0xb20 [ 1093.056689][ T3441] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1484/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1093.059294][ T3431] ip6_tnl_create2+0x87/0x210 [ 1093.059317][ T3431] ip6_tnl_newlink+0x2bf/0x460 [ 1093.119655][ T3431] ? ip6_tnl_validate+0x80/0x80 [ 1093.124598][ T3440] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3440 comm=syz-executor.2 [ 1093.124582][ T3431] rtnl_newlink+0xee5/0x1670 [ 1093.137633][ T3453] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3453 comm=syz-executor.2 [ 1093.141886][ T3431] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1093.159820][ T3431] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1093.166134][ T3431] ? _raw_spin_unlock+0x26/0x40 [ 1093.171040][ T3431] ? __mutex_lock+0x21c/0x8d0 [ 1093.175697][ T3431] ? rtnl_setlink+0x300/0x300 [ 1093.180380][ T3431] rtnetlink_rcv_msg+0x807/0x8c0 [ 1093.185370][ T3431] ? __rcu_read_unlock+0x4d/0x70 [ 1093.190333][ T3431] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1093.195757][ T3431] netlink_rcv_skb+0x126/0x220 [ 1093.200671][ T3431] ? rtnetlink_bind+0x60/0x60 [ 1093.205380][ T3431] rtnetlink_rcv+0x1c/0x20 [ 1093.209832][ T3431] netlink_unicast+0x589/0x650 [ 1093.214664][ T3431] netlink_sendmsg+0x66e/0x770 [ 1093.219523][ T3431] ? netlink_getsockopt+0x3e0/0x3e0 [ 1093.224738][ T3431] ____sys_sendmsg+0x37c/0x4d0 [ 1093.229563][ T3431] __sys_sendmsg+0x1e9/0x270 [ 1093.234218][ T3431] __x64_sys_sendmsg+0x46/0x50 [ 1093.239094][ T3431] do_syscall_64+0x44/0x110 [ 1093.243585][ T3431] ? syscall_exit_to_user_mode+0x38/0x140 [ 1093.249307][ T3431] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1093.255265][ T3431] RIP: 0033:0x7f7033abcae9 [ 1093.259693][ T3431] 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 [ 1093.279320][ T3431] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1093.287761][ T3431] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1093.295727][ T3431] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1093.303741][ T3431] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1093.311779][ T3431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1093.319804][ T3431] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 12:35:14 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(0xffffffffffffffff, 0x800) (async) lseek(r1, 0x20400, 0x0) (async, rerun: 32) pwritev2(r1, &(0x7f0000000000)=[{&(0x7f0000000280)="171f2aa94919d435645f1de4ff509efeafd027c55c28a1bcebf87826775f20e222b135242c5ae1887d55053584794f24193fbca7e71a8b29da5589ef768314c228a925fb2bbfc40f248828199ce92a3dd465fbafd7ba98f93d15df02a751c8f9bdf5479b3b53ee73adc13866814b3092b20540a1aaa87ec061f7803064512eb314a91c", 0x83}, {&(0x7f0000000340)="81b24fa3173d6caae0fad4a41ed445a76de4960bdca4709b2e96ef82550b52b523fd8f18f4484fa8f8ac36fb4863da11a5a6ce5851597b34a8bffb707cb38b3480b914b515ccd2401fdd68975def0c8cd0a6f93083cfb9451d0e0c7cb5014b39a3dd7022019286a735ad693e7585f6ff2786f6f829f2e9207659d3b94300621ddf0cbb587409d874a100ab7e5bdee78392e25c5a67475c95a9162dc28df1eef8f91b052ebffcd331f073890f1fc914a3fd3498b0604e6fe970a79db79b3abfc37e20148aba7d03d475d4ca3ad2d93efc3132c7a32398557bc397b36f0fe735a9cee0b9f2b79e8af2ed2a41e3267adddbd2ec", 0xf2}], 0x2, 0x1000, 0x3f, 0xa) (rerun: 32) r2 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 12:35:14 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x84000, 0x0) (async) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_FEATURES_SET(r0, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000340)={&(0x7f0000001080)={0x9e4, r1, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0x2f0, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x38, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*&\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}]}, @ETHTOOL_A_BITSET_MASK={0x50, 0x5, "dde6f24809917e00ed34d71fe4877b56720201b1987ce87f5a250e799dfc71032e55b345239b74aabe30fb634e7f2c177fdd84d61613718839260ad7b3fc1a82bf7b5e570d44e59c14e59f6c"}, @ETHTOOL_A_BITSET_BITS={0x3c, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffff54}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '&\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_BITS={0x188, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffff000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x64, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\\\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '(].!\x00'}, @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={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x18, 0x2, '::#\x1c\xc3[{\'^&]^)+/!:{%\x00'}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '{\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5ed}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80000000}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '(\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xf6}, @ETHTOOL_A_BITSET_MASK={0x97, 0x5, "63570f82854144134bf8164a454b156cfd0a0fc01bcb883eacf11b5dedf5d95dd173fb7fb740739cf4b6fdf0bcd505885268b160b4fabc5c009060f96efe6bb588d8f931b90e63d2ee42b023a126e31a4b6e4cbea158e67976313ebae1da657268c196fddec89d010214696c2cd7b9cb46dd9c81c366b5d5927e772ef9957e6bed34a4137d3b26fa90fcf2a0446c31665e3b28"}]}, @ETHTOOL_A_FEATURES_WANTED={0xbc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x2e, 0x4, "b54cce4799d4cfd4f9b0ccb6a51f270051fbb9bf9dd658c52ba07dc87a6a46536da04437aa4fd867d45f"}, @ETHTOOL_A_BITSET_BITS={0x6c, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8aa}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x10000}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x800}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x230a}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0x4}]}, @ETHTOOL_A_FEATURES_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @ETHTOOL_A_FEATURES_HEADER={0x4}, @ETHTOOL_A_FEATURES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}]}, @ETHTOOL_A_FEATURES_WANTED={0x278, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0x31, 0x4, "ec3bf9349975a535c19da83ab288fc5efd6febd287676f43ca83b0d07b6d0bb391302eac8a41c4246acd0a8a8d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_VALUE={0x90, 0x4, "0006cd6714977094dbb35f4e1e9a35182c1a0451eba91361d1bff8b318b92996822e6eea0050e32adeabd8e6bfa44c80c305962441b9f47c12886482d9ca38c0ff78dd2b97ddb751209c30719e20233a50f73b909f4b3f7cf3d1c6c92c3fd21c4327339bb7a444520254f3acf231b0112d3f8ace92b458582d3c08fa8231ebab623d1494368f42da53f6d0ef"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x32}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x104, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '!{\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '[!!/,:-*{@&,]$(\xc5\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '$\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x90, 0x3, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0x1e, 0x2, ',&^),+\\-}#]*].\']!-){:)*).\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ',\'\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_FEATURES_HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x7}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @ETHTOOL_A_FEATURES_WANTED={0x2e4, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfffff801}, @ETHTOOL_A_BITSET_VALUE={0x103, 0x4, "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"}, @ETHTOOL_A_BITSET_VALUE={0xd7, 0x4, "0838ea76a2ff001dcd56446d210a8fc4438949853124bad19b44c5c509a62063f8ea5d986d0ec8270c76ca571bf01d9a50fcb3f7cb2895262c16539b42075faf34577db1ac2f344903d41f60f17b89fbf604f8736f796bebcccabe59ecef83cc41cb2b8015af45614e5ea108f472ffd0513e3d48154fd9f2d2e6d5e6f6ad9d425641989a7a9624ba5065d5137314f6f9d19b0f8a47c7b80707ac6ae11ccdd3b2a51ec1da51699bdfe67c0f1ee0cc570e0ccda00d36e53b9683be5af48dc6b0f17d89e752a3ba475a3e53125471eeb892f2e3c4"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfe45}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x400}, @ETHTOOL_A_BITSET_MASK={0x45, 0x5, "b9ebeeb8fb800e9672185ff5f25df9d18d717b68918f720fe9b763ec87492bbc6170e6e1c03e7a4a506519d143746b68a65ebd6d0ccb69cfb62ede396adf314dd3"}, @ETHTOOL_A_BITSET_BITS={0xa0, 0x3, 0x0, 0x1, [{0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '*\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x401}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'ext4\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3f}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x28f}]}]}]}, @ETHTOOL_A_FEATURES_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x9e4}, 0x1, 0x0, 0x0, 0x4004000}, 0x10) r2 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f00000005c0)) (async, rerun: 32) r3 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) (rerun: 32) syz_genetlink_get_family_id$l2tp(&(0x7f00000003c0), r3) (async) r4 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r4, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) (async) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r4, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) (async, rerun: 32) sendmsg$IPVS_CMD_SET_SERVICE(r4, &(0x7f00000007c0)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000580)={&(0x7f0000000700)={0xb8, 0x0, 0x418, 0x70bd25, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x40}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}]}, @IPVS_CMD_ATTR_DAEMON={0x40, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x24}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'syzkaller0\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x9}, @IPVS_CMD_ATTR_DEST={0x38, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e22}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@dev={0xac, 0x14, 0x14, 0xc}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x40}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4054}, 0x808) (rerun: 32) getdents(r3, &(0x7f0000001fc0)=""/184, 0xb8) (async, rerun: 64) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 64) creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r6 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r7 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r7, 0x800) lseek(r6, 0x20400, 0x0) (async) r8 = socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)={0x48, r9, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_LINKMODES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @ETHTOOL_A_LINKMODES_SPEED={0x8}, @ETHTOOL_A_LINKMODES_OURS={0x14, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}]}]}]}, 0x48}}, 0x0) (async) sendmsg$ETHTOOL_MSG_DEBUG_SET(r3, &(0x7f0000000480)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000600)={0x8c, r9, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@ETHTOOL_A_DEBUG_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}]}, @ETHTOOL_A_DEBUG_MSGMASK={0x40, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0x28, 0x5, "c48bed8d56260e60e57611fe11f602700a3799d6962d75c99bf68714ff0bcd7544919e1d"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3ad5}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_DEBUG_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'xfrm0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) (async, rerun: 32) r10 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 32) sendfile(r6, r10, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r5, 0x6609) (async, rerun: 32) r11 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x4) (rerun: 32) ioctl$EXT4_IOC_MIGRATE(r11, 0x6609) 12:35:14 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x172, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:14 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = socket$bt_hidp(0x1f, 0x3, 0x6) sendfile(r2, r1, &(0x7f0000000000)=0x9, 0x100) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r1, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r4, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="00e2d2a820ff22e148a09e60ea2c7852050934060000e100000000a2fbdbd9fff061c113000006bb71bf3812bc409f110e17cadc385f1fef2abb3000080000130200974bfeed6dcef074724149ece382587acd601a5066b245a6509f5e8ef4155052cb6bfb717365f99446be13e2809a6ea3492bc9706ca13bb95e90313b2c06c4c57b121699d0b8d04c218ffabc74e1fd758e09e71321ff40245b0f3881f566932544ac52aa74018e0019bcbae352c1a573ba855ce87214b6131176608b7486e554794a0183388788b04d44551f546cd2b382de9bbb554b052e82364f9aea2e2dd869510f7efc6fac0f8fa7c990256bf994c37e46435e00d6f3573ba08213a88fb061d2d2c9615254a6ae7e768068a0624c3d0e206a8b1c22c9ca1e565f4c288bffd9438f77a1"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) socket$bt_hidp(0x1f, 0x3, 0x6) (async) sendfile(r2, r1, &(0x7f0000000000)=0x9, 0x100) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r3, 0x800) (async) lseek(r1, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r1, r4, 0x0, 0x80001d00c0d0) (async) [ 1093.327757][ T3431] [ 1093.330905][ T3431] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1093.348693][ T3435] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1093.357967][ T3435] CPU: 0 PID: 3435 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1093.367957][ T3435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1093.378101][ T3435] Call Trace: [ 1093.381360][ T3435] [ 1093.384281][ T3435] dump_stack_lvl+0xda/0x130 [ 1093.388869][ T3435] dump_stack+0x15/0x20 [ 1093.393004][ T3435] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1093.398130][ T3435] kobject_add_internal+0x3eb/0x730 [ 1093.403318][ T3435] kobject_add+0xdc/0x150 [ 1093.407713][ T3435] ? kobject_get+0x95/0xc0 [ 1093.412120][ T3435] ? kobject_put+0xd8/0x160 [ 1093.416608][ T3435] ? device_add+0x2ea/0x8b0 [ 1093.421174][ T3435] device_add+0x2f8/0x8b0 [ 1093.425511][ T3435] netdev_register_kobject+0xfc/0x230 [ 1093.430872][ T3435] register_netdevice+0x65b/0xb20 [ 1093.435916][ T3435] ip6_tnl_create2+0x87/0x210 [ 1093.440578][ T3435] ip6_tnl_newlink+0x2bf/0x460 [ 1093.445356][ T3435] ? ip6_tnl_validate+0x80/0x80 [ 1093.450254][ T3435] rtnl_newlink+0xee5/0x1670 [ 1093.454900][ T3435] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1093.460179][ T3435] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1093.466436][ T3435] ? _raw_spin_unlock+0x26/0x40 [ 1093.471277][ T3435] ? __mutex_lock+0x21c/0x8d0 [ 1093.475991][ T3435] ? rtnl_setlink+0x300/0x300 [ 1093.480653][ T3435] rtnetlink_rcv_msg+0x807/0x8c0 [ 1093.485662][ T3435] ? kmem_cache_free+0x1d9/0x380 [ 1093.490639][ T3435] ? __kfree_skb+0x104/0x140 [ 1093.495218][ T3435] ? nlmon_xmit+0x4b/0x60 [ 1093.499580][ T3435] ? __kfree_skb+0x104/0x140 [ 1093.504160][ T3435] ? consume_skb+0x57/0x180 [ 1093.508678][ T3435] ? nlmon_xmit+0x4b/0x60 [ 1093.513019][ T3435] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1093.518290][ T3435] ? __dev_queue_xmit+0xaae/0x1d80 [ 1093.523394][ T3435] ? ref_tracker_free+0x3a1/0x400 [ 1093.528438][ T3435] netlink_rcv_skb+0x126/0x220 [ 1093.533253][ T3435] ? rtnetlink_bind+0x60/0x60 [ 1093.537959][ T3435] rtnetlink_rcv+0x1c/0x20 [ 1093.542386][ T3435] netlink_unicast+0x589/0x650 [ 1093.547180][ T3435] netlink_sendmsg+0x66e/0x770 [ 1093.551945][ T3435] ? netlink_getsockopt+0x3e0/0x3e0 [ 1093.557132][ T3435] ____sys_sendmsg+0x37c/0x4d0 [ 1093.561983][ T3435] __sys_sendmsg+0x1e9/0x270 [ 1093.566607][ T3435] __x64_sys_sendmsg+0x46/0x50 [ 1093.571367][ T3435] do_syscall_64+0x44/0x110 [ 1093.575943][ T3435] ? syscall_exit_to_user_mode+0x38/0x140 [ 1093.581775][ T3435] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1093.587711][ T3435] RIP: 0033:0x7fd903c48ae9 [ 1093.592169][ T3435] 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 [ 1093.611803][ T3435] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1093.620228][ T3435] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1093.628179][ T3435] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1093.636130][ T3435] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1093.644087][ T3435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1093.652055][ T3435] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1093.660009][ T3435] [ 1093.663104][ T3435] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:15 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x386, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1093.664600][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1093.681099][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1093.697800][ T3458] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1093.697815][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1093.706932][ T3458] CPU: 1 PID: 3458 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1093.706954][ T3458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1093.706964][ T3458] Call Trace: [ 1093.739161][ T3458] [ 1093.742115][ T3458] dump_stack_lvl+0xda/0x130 [ 1093.746704][ T3458] dump_stack+0x15/0x20 [ 1093.750871][ T3458] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1093.755981][ T3458] kobject_add_internal+0x3eb/0x730 [ 1093.761187][ T3458] kobject_add+0xdc/0x150 [ 1093.765508][ T3458] ? kobject_get+0x95/0xc0 [ 1093.769916][ T3458] ? kobject_put+0xd8/0x160 [ 1093.774484][ T3458] ? device_add+0x2ea/0x8b0 [ 1093.779013][ T3458] device_add+0x2f8/0x8b0 [ 1093.783473][ T3458] netdev_register_kobject+0xfc/0x230 [ 1093.788841][ T3458] register_netdevice+0x65b/0xb20 [ 1093.793866][ T3458] ip6_tnl_create2+0x87/0x210 [ 1093.798608][ T3458] ip6_tnl_newlink+0x2bf/0x460 [ 1093.803368][ T3458] ? ip6_tnl_validate+0x80/0x80 [ 1093.808250][ T3458] rtnl_newlink+0xee5/0x1670 [ 1093.812864][ T3458] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1093.818221][ T3458] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1093.824456][ T3458] ? _raw_spin_unlock+0x26/0x40 [ 1093.829299][ T3458] ? __mutex_lock+0x21c/0x8d0 [ 1093.834043][ T3458] ? rtnl_setlink+0x300/0x300 [ 1093.838778][ T3458] rtnetlink_rcv_msg+0x807/0x8c0 [ 1093.843772][ T3458] ? __rcu_read_unlock+0x4d/0x70 [ 1093.848700][ T3458] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1093.854063][ T3458] netlink_rcv_skb+0x126/0x220 [ 1093.858830][ T3458] ? rtnetlink_bind+0x60/0x60 [ 1093.863503][ T3458] rtnetlink_rcv+0x1c/0x20 [ 1093.867955][ T3458] netlink_unicast+0x589/0x650 [ 1093.872716][ T3458] netlink_sendmsg+0x66e/0x770 [ 1093.877536][ T3458] ? netlink_getsockopt+0x3e0/0x3e0 [ 1093.882767][ T3458] ____sys_sendmsg+0x37c/0x4d0 [ 1093.887521][ T3458] __sys_sendmsg+0x1e9/0x270 [ 1093.892135][ T3458] __x64_sys_sendmsg+0x46/0x50 [ 1093.896907][ T3458] do_syscall_64+0x44/0x110 [ 1093.901465][ T3458] ? syscall_exit_to_user_mode+0x38/0x140 [ 1093.907178][ T3458] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1093.913066][ T3458] RIP: 0033:0x7f7033abcae9 [ 1093.917465][ T3458] 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 [ 1093.937126][ T3458] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1093.945528][ T3458] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1093.953486][ T3458] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1093.961446][ T3458] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1093.969409][ T3458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1093.977385][ T3458] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1093.985349][ T3458] [ 1093.988391][ T3458] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1094.011514][ T3463] loop2: detected capacity change from 0 to 512 [ 1094.026485][ T3466] loop3: detected capacity change from 0 to 512 [ 1094.038403][ T3469] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1094.047560][ T3469] CPU: 1 PID: 3469 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1094.057595][ T3469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1094.067810][ T3469] Call Trace: [ 1094.071089][ T3469] [ 1094.074016][ T3469] dump_stack_lvl+0xda/0x130 [ 1094.078601][ T3469] dump_stack+0x15/0x20 [ 1094.082744][ T3469] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1094.087857][ T3469] kobject_add_internal+0x3eb/0x730 [ 1094.093044][ T3469] kobject_add+0xdc/0x150 [ 1094.097401][ T3469] ? kobject_get+0x95/0xc0 [ 1094.101809][ T3469] ? kobject_put+0xd8/0x160 [ 1094.106453][ T3469] ? device_add+0x2ea/0x8b0 [ 1094.111025][ T3469] device_add+0x2f8/0x8b0 [ 1094.115350][ T3469] netdev_register_kobject+0xfc/0x230 [ 1094.120738][ T3469] register_netdevice+0x65b/0xb20 [ 1094.125760][ T3469] ip6_tnl_create2+0x87/0x210 [ 1094.130423][ T3469] ip6_tnl_newlink+0x2bf/0x460 [ 1094.135186][ T3469] ? ip6_tnl_validate+0x80/0x80 [ 1094.140107][ T3469] rtnl_newlink+0xee5/0x1670 [ 1094.144693][ T3469] ? rtnl_newlink+0x2b1/0x1670 [ 1094.149455][ T3469] ? security_capable+0x5e/0x80 [ 1094.154296][ T3469] ? ns_capable+0x7c/0xb0 [ 1094.158665][ T3469] ? rtnl_setlink+0x300/0x300 [ 1094.163384][ T3469] rtnetlink_rcv_msg+0x807/0x8c0 [ 1094.168400][ T3469] ? nlmon_xmit+0x4b/0x60 [ 1094.172775][ T3469] ? nlmon_xmit+0x4b/0x60 [ 1094.177094][ T3469] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1094.182395][ T3469] ? kmem_cache_free+0x1d9/0x380 [ 1094.187323][ T3469] ? __kfree_skb+0x104/0x140 [ 1094.191907][ T3469] ? nlmon_xmit+0x4b/0x60 [ 1094.196235][ T3469] ? __kfree_skb+0x104/0x140 [ 1094.200819][ T3469] ? consume_skb+0x57/0x180 [ 1094.205328][ T3469] ? nlmon_xmit+0x4b/0x60 [ 1094.209651][ T3469] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1094.214995][ T3469] ? __dev_queue_xmit+0xaae/0x1d80 [ 1094.220169][ T3469] ? ref_tracker_free+0x3a1/0x400 [ 1094.225183][ T3469] netlink_rcv_skb+0x126/0x220 [ 1094.229985][ T3469] ? rtnetlink_bind+0x60/0x60 [ 1094.234660][ T3469] rtnetlink_rcv+0x1c/0x20 [ 1094.239090][ T3469] netlink_unicast+0x589/0x650 [ 1094.243904][ T3469] netlink_sendmsg+0x66e/0x770 [ 1094.248666][ T3469] ? netlink_getsockopt+0x3e0/0x3e0 [ 1094.253862][ T3469] ____sys_sendmsg+0x37c/0x4d0 [ 1094.258767][ T3469] __sys_sendmsg+0x1e9/0x270 [ 1094.263343][ T3469] ? wake_up_q+0x3f/0x70 [ 1094.267601][ T3469] __x64_sys_sendmsg+0x46/0x50 [ 1094.272415][ T3469] do_syscall_64+0x44/0x110 [ 1094.276908][ T3469] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1094.282880][ T3469] RIP: 0033:0x7f7bcc9aeae9 [ 1094.287282][ T3469] 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 [ 1094.306945][ T3469] RSP: 002b:00007f7bcbd310c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1094.315367][ T3469] RAX: ffffffffffffffda RBX: 00007f7bccacdf80 RCX: 00007f7bcc9aeae9 [ 1094.323352][ T3469] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 12:35:15 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x3f, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r3) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r4}, 0x10) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r4, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r6], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) 12:35:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x180, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1094.331311][ T3469] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1094.339272][ T3469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1094.347228][ T3469] R13: 000000000000000b R14: 00007f7bccacdf80 R15: 00007ffcd1f66038 [ 1094.355252][ T3469] [ 1094.358375][ T3469] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1094.376965][ T3463] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1094.378407][ T3465] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1094.389446][ T3463] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1485/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1094.401161][ T3477] loop4: detected capacity change from 0 to 512 [ 1094.413479][ T3465] CPU: 0 PID: 3465 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1094.423073][ T3466] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1094.429625][ T3465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1094.429637][ T3465] Call Trace: [ 1094.429644][ T3465] [ 1094.429650][ T3465] dump_stack_lvl+0xda/0x130 [ 1094.443294][ T3466] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1475/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1094.452062][ T3465] dump_stack+0x15/0x20 [ 1094.452086][ T3465] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1094.471987][ T3477] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1094.477741][ T3465] kobject_add_internal+0x3eb/0x730 [ 1094.477802][ T3465] kobject_add+0xdc/0x150 [ 1094.477884][ T3465] ? kobject_get+0x95/0xc0 [ 1094.483151][ T3477] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1444/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1094.487090][ T3465] ? kobject_put+0xd8/0x160 12:35:16 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@private, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@remote}}, &(0x7f00000000c0)=0xe8) quotactl$Q_GETQUOTA(0xffffffff80000700, &(0x7f0000000000)=@sg0, r1, &(0x7f0000000380)) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r2, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r2, r4, 0x0, 0x80001d00c0d0) [ 1094.487111][ T3465] ? device_add+0x2ea/0x8b0 [ 1094.537310][ T3465] device_add+0x2f8/0x8b0 [ 1094.541745][ T3465] netdev_register_kobject+0xfc/0x230 [ 1094.547164][ T3465] register_netdevice+0x65b/0xb20 [ 1094.552178][ T3465] ip6_tnl_create2+0x87/0x210 [ 1094.556841][ T3465] ip6_tnl_newlink+0x2bf/0x460 [ 1094.561600][ T3465] ? ip6_tnl_validate+0x80/0x80 [ 1094.566445][ T3465] rtnl_newlink+0xee5/0x1670 [ 1094.571070][ T3465] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1094.576426][ T3465] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1094.582669][ T3465] ? _raw_spin_unlock+0x26/0x40 [ 1094.587554][ T3465] ? __mutex_lock+0x21c/0x8d0 [ 1094.592265][ T3465] ? rtnl_setlink+0x300/0x300 [ 1094.596927][ T3465] rtnetlink_rcv_msg+0x807/0x8c0 [ 1094.601925][ T3465] ? kmem_cache_free+0x1d9/0x380 [ 1094.606931][ T3465] ? __kfree_skb+0x104/0x140 [ 1094.611519][ T3465] ? nlmon_xmit+0x4b/0x60 [ 1094.615869][ T3465] ? __kfree_skb+0x104/0x140 [ 1094.620470][ T3465] ? consume_skb+0x57/0x180 [ 1094.624960][ T3465] ? nlmon_xmit+0x4b/0x60 [ 1094.629269][ T3465] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1094.634583][ T3465] ? __dev_queue_xmit+0xaae/0x1d80 [ 1094.639711][ T3465] ? ref_tracker_free+0x3a1/0x400 [ 1094.644717][ T3465] netlink_rcv_skb+0x126/0x220 [ 1094.649481][ T3465] ? rtnetlink_bind+0x60/0x60 [ 1094.654200][ T3465] rtnetlink_rcv+0x1c/0x20 [ 1094.658642][ T3465] netlink_unicast+0x589/0x650 [ 1094.663453][ T3465] netlink_sendmsg+0x66e/0x770 [ 1094.668275][ T3465] ? netlink_getsockopt+0x3e0/0x3e0 [ 1094.673536][ T3465] ____sys_sendmsg+0x37c/0x4d0 [ 1094.678286][ T3465] __sys_sendmsg+0x1e9/0x270 [ 1094.682861][ T3465] __x64_sys_sendmsg+0x46/0x50 [ 1094.687670][ T3465] do_syscall_64+0x44/0x110 [ 1094.692166][ T3465] ? syscall_exit_to_user_mode+0x38/0x140 [ 1094.697957][ T3465] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1094.703851][ T3465] RIP: 0033:0x7fd903c48ae9 [ 1094.708265][ T3465] 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 [ 1094.727860][ T3465] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1094.736312][ T3465] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1094.744340][ T3465] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1094.752302][ T3465] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1094.760283][ T3465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1094.768262][ T3465] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1094.776292][ T3465] 12:35:16 executing program 3: r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYRES8=0x0, @ANYRES32=r0], 0x1, 0x501, &(0x7f0000000b00)="$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") r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) getsockname$l2tp6(r3, &(0x7f0000000000), &(0x7f00000000c0)=0x20) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) lseek(r2, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x492040, 0x4) sendfile(r2, r6, 0x0, 0x80001d00c0d0) 12:35:16 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x177940, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000002c0)={&(0x7f0000000000)='wbt_timer\x00', r3}, 0x10) creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) lseek(r4, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:35:16 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3ba, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1094.779352][ T3465] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1094.798853][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1094.803857][ T3492] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1094.811887][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1094.816961][ T3492] CPU: 0 PID: 3492 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1094.835971][ T3492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1094.846025][ T3492] Call Trace: [ 1094.849284][ T3492] [ 1094.852202][ T3492] dump_stack_lvl+0xda/0x130 [ 1094.856777][ T3492] dump_stack+0x15/0x20 [ 1094.860925][ T3492] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1094.866074][ T3492] kobject_add_internal+0x3eb/0x730 [ 1094.871363][ T3492] kobject_add+0xdc/0x150 [ 1094.875673][ T3492] ? kobject_get+0x95/0xc0 [ 1094.880074][ T3492] ? kobject_put+0xd8/0x160 [ 1094.884558][ T3492] ? device_add+0x2ea/0x8b0 [ 1094.889066][ T3492] device_add+0x2f8/0x8b0 [ 1094.893440][ T3492] netdev_register_kobject+0xfc/0x230 [ 1094.898807][ T3492] register_netdevice+0x65b/0xb20 [ 1094.903947][ T3492] ip6_tnl_create2+0x87/0x210 [ 1094.908651][ T3492] ip6_tnl_newlink+0x2bf/0x460 [ 1094.913407][ T3492] ? ip6_tnl_validate+0x80/0x80 [ 1094.918264][ T3492] rtnl_newlink+0xee5/0x1670 [ 1094.922911][ T3492] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1094.928186][ T3492] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1094.934488][ T3492] ? _raw_spin_unlock+0x26/0x40 [ 1094.939324][ T3492] ? __mutex_lock+0x21c/0x8d0 [ 1094.943991][ T3492] ? rtnl_setlink+0x300/0x300 [ 1094.948675][ T3492] rtnetlink_rcv_msg+0x807/0x8c0 [ 1094.953748][ T3492] ? __rcu_read_unlock+0x4d/0x70 [ 1094.958675][ T3492] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1094.964176][ T3492] netlink_rcv_skb+0x126/0x220 [ 1094.968952][ T3492] ? rtnetlink_bind+0x60/0x60 [ 1094.973666][ T3492] rtnetlink_rcv+0x1c/0x20 [ 1094.978146][ T3492] netlink_unicast+0x589/0x650 [ 1094.982896][ T3492] netlink_sendmsg+0x66e/0x770 [ 1094.987697][ T3492] ? netlink_getsockopt+0x3e0/0x3e0 [ 1094.992883][ T3492] ____sys_sendmsg+0x37c/0x4d0 [ 1094.997628][ T3492] __sys_sendmsg+0x1e9/0x270 [ 1095.002259][ T3492] __x64_sys_sendmsg+0x46/0x50 [ 1095.007004][ T3492] do_syscall_64+0x44/0x110 [ 1095.011516][ T3492] ? syscall_exit_to_user_mode+0x38/0x140 [ 1095.017258][ T3492] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1095.023228][ T3492] RIP: 0033:0x7f7033abcae9 [ 1095.027649][ T3492] 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 [ 1095.047294][ T3492] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1095.055708][ T3492] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1095.063659][ T3492] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1095.071611][ T3492] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 12:35:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x186, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1095.079593][ T3492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1095.087544][ T3492] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1095.095699][ T3492] [ 1095.098962][ T3492] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1095.126450][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. 12:35:16 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x3f, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r3) (async) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r4}, 0x10) (async) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) (async) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r4, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r6], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) [ 1095.141644][ T3501] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1095.150817][ T3501] CPU: 0 PID: 3501 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1095.158370][ T3498] loop4: detected capacity change from 0 to 512 [ 1095.160792][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1095.170766][ T3500] loop3: detected capacity change from 0 to 512 [ 1095.177045][ T3501] Call Trace: [ 1095.177053][ T3501] [ 1095.177060][ T3501] dump_stack_lvl+0xda/0x130 [ 1095.194119][ T3501] dump_stack+0x15/0x20 [ 1095.198289][ T3501] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1095.203464][ T3501] kobject_add_internal+0x3eb/0x730 [ 1095.208661][ T3501] kobject_add+0xdc/0x150 [ 1095.212981][ T3501] ? kobject_get+0x95/0xc0 [ 1095.217385][ T3501] ? kobject_put+0xd8/0x160 [ 1095.221877][ T3501] ? device_add+0x2ea/0x8b0 [ 1095.226432][ T3501] device_add+0x2f8/0x8b0 [ 1095.230762][ T3501] netdev_register_kobject+0xfc/0x230 [ 1095.236133][ T3501] register_netdevice+0x65b/0xb20 [ 1095.241158][ T3501] ip6_tnl_create2+0x87/0x210 [ 1095.245826][ T3501] ip6_tnl_newlink+0x2bf/0x460 [ 1095.250612][ T3501] ? ip6_tnl_validate+0x80/0x80 [ 1095.255483][ T3501] rtnl_newlink+0xee5/0x1670 [ 1095.260136][ T3501] ? __mutex_lock+0x54/0x8d0 [ 1095.264723][ T3501] ? rtnl_setlink+0x300/0x300 [ 1095.269419][ T3501] rtnetlink_rcv_msg+0x807/0x8c0 [ 1095.274428][ T3501] ? __mutex_unlock_slowpath+0xf1/0x140 [ 1095.279973][ T3501] ? mutex_unlock+0x1b/0x20 [ 1095.284547][ T3501] ? selinux_socket_sock_rcv_skb+0x152/0x680 [ 1095.290552][ T3501] ? rtnetlink_rcv_msg+0x85f/0x8c0 [ 1095.295666][ T3501] ? __rcu_read_unlock+0x4d/0x70 [ 1095.300599][ T3501] ? sk_filter_trim_cap+0x2d0/0x3a0 [ 1095.305793][ T3501] ? _raw_spin_lock_irqsave+0x3c/0xa0 [ 1095.311241][ T3501] ? __rcu_read_unlock+0x4d/0x70 [ 1095.316185][ T3501] ? __rcu_read_unlock+0x4d/0x70 [ 1095.321128][ T3501] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1095.326562][ T3501] netlink_rcv_skb+0x126/0x220 [ 1095.331332][ T3501] ? rtnetlink_bind+0x60/0x60 [ 1095.336127][ T3501] rtnetlink_rcv+0x1c/0x20 [ 1095.340616][ T3501] netlink_unicast+0x589/0x650 [ 1095.345657][ T3501] netlink_sendmsg+0x66e/0x770 [ 1095.350518][ T3501] ? netlink_getsockopt+0x3e0/0x3e0 [ 1095.355760][ T3501] ____sys_sendmsg+0x37c/0x4d0 [ 1095.360518][ T3501] __sys_sendmsg+0x1e9/0x270 [ 1095.365095][ T3501] ? wake_up_q+0x3f/0x70 [ 1095.369340][ T3501] __x64_sys_sendmsg+0x46/0x50 [ 1095.374167][ T3501] do_syscall_64+0x44/0x110 [ 1095.378667][ T3501] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1095.384581][ T3501] RIP: 0033:0x7f7033abcae9 [ 1095.388985][ T3501] 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 [ 1095.408584][ T3501] RSP: 002b:00007f7032e3f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1095.416992][ T3501] RAX: ffffffffffffffda RBX: 00007f7033bdbf80 RCX: 00007f7033abcae9 [ 1095.424954][ T3501] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1095.432967][ T3501] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1095.440928][ T3501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1095.448892][ T3501] R13: 000000000000000b R14: 00007f7033bdbf80 R15: 00007fff4e500878 [ 1095.456926][ T3501] [ 1095.460119][ T3501] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1095.465285][ T3500] EXT4-fs (loop3): couldn't mount as ext3 due to feature incompatibilities [ 1095.490472][ T3495] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1095.496138][ T3509] loop2: detected capacity change from 0 to 512 [ 1095.499627][ T3495] CPU: 1 PID: 3495 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1095.515809][ T3495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1095.521318][ T3498] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1095.525851][ T3495] Call Trace: 12:35:17 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x194, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1095.525860][ T3495] [ 1095.525867][ T3495] dump_stack_lvl+0xda/0x130 [ 1095.525893][ T3495] dump_stack+0x15/0x20 [ 1095.538540][ T3498] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1445/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1095.541560][ T3495] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1095.568733][ T3509] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1095.573162][ T3495] kobject_add_internal+0x3eb/0x730 [ 1095.573188][ T3495] kobject_add+0xdc/0x150 [ 1095.585907][ T3509] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1486/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1095.590922][ T3495] ? kobject_get+0x95/0xc0 [ 1095.614627][ T3495] ? kobject_put+0xd8/0x160 [ 1095.619129][ T3495] ? device_add+0x2ea/0x8b0 [ 1095.623663][ T3495] device_add+0x2f8/0x8b0 [ 1095.628024][ T3495] netdev_register_kobject+0xfc/0x230 [ 1095.633437][ T3495] register_netdevice+0x65b/0xb20 [ 1095.638450][ T3495] ip6_tnl_create2+0x87/0x210 [ 1095.643151][ T3495] ip6_tnl_newlink+0x2bf/0x460 [ 1095.647925][ T3495] ? ip6_tnl_validate+0x80/0x80 [ 1095.652826][ T3495] rtnl_newlink+0xee5/0x1670 [ 1095.657411][ T3495] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1095.662863][ T3495] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1095.669161][ T3495] ? _raw_spin_unlock+0x26/0x40 [ 1095.674082][ T3495] ? __mutex_lock+0x21c/0x8d0 [ 1095.678751][ T3495] ? rtnl_setlink+0x300/0x300 [ 1095.683479][ T3495] rtnetlink_rcv_msg+0x807/0x8c0 [ 1095.688410][ T3495] ? kmem_cache_free+0x1d9/0x380 [ 1095.693423][ T3495] ? __kfree_skb+0x104/0x140 [ 1095.698004][ T3495] ? nlmon_xmit+0x4b/0x60 [ 1095.702364][ T3495] ? __kfree_skb+0x104/0x140 [ 1095.706978][ T3495] ? consume_skb+0x57/0x180 [ 1095.711471][ T3495] ? nlmon_xmit+0x4b/0x60 [ 1095.715842][ T3495] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1095.721119][ T3495] ? __dev_queue_xmit+0xaae/0x1d80 [ 1095.726314][ T3495] ? ref_tracker_free+0x3a1/0x400 [ 1095.731392][ T3495] netlink_rcv_skb+0x126/0x220 [ 1095.736201][ T3495] ? rtnetlink_bind+0x60/0x60 [ 1095.740877][ T3495] rtnetlink_rcv+0x1c/0x20 [ 1095.745329][ T3495] netlink_unicast+0x589/0x650 [ 1095.750097][ T3495] netlink_sendmsg+0x66e/0x770 [ 1095.754850][ T3495] ? netlink_getsockopt+0x3e0/0x3e0 [ 1095.760097][ T3495] ____sys_sendmsg+0x37c/0x4d0 [ 1095.764866][ T3495] __sys_sendmsg+0x1e9/0x270 [ 1095.769460][ T3495] __x64_sys_sendmsg+0x46/0x50 [ 1095.774204][ T3495] do_syscall_64+0x44/0x110 [ 1095.778690][ T3495] ? syscall_exit_to_user_mode+0x38/0x140 [ 1095.784398][ T3495] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1095.790408][ T3495] RIP: 0033:0x7fd903c48ae9 [ 1095.794803][ T3495] 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 [ 1095.814469][ T3495] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1095.822873][ T3495] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1095.830832][ T3495] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1095.838822][ T3495] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1095.846869][ T3495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1095.854824][ T3495] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1095.862795][ T3495] [ 1095.865904][ T3495] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1095.881885][ T3504] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' 12:35:17 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x177940, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000002c0)={&(0x7f0000000000)='wbt_timer\x00', r3}, 0x10) (async) creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) (async) lseek(r4, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) (async) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) 12:35:17 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@private, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@remote}}, &(0x7f00000000c0)=0xe8) quotactl$Q_GETQUOTA(0xffffffff80000700, &(0x7f0000000000)=@sg0, r1, &(0x7f0000000380)) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) lseek(r2, 0x20400, 0x0) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r2, r4, 0x0, 0x80001d00c0d0) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@private, @in6=@private1}}, {{@in=@initdev}, 0x0, @in6=@remote}}, &(0x7f00000000c0)=0xe8) (async) quotactl$Q_GETQUOTA(0xffffffff80000700, &(0x7f0000000000)=@sg0, r1, &(0x7f0000000380)) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(r3, 0x800) (async) lseek(r2, 0x20400, 0x0) (async) open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (async) sendfile(r2, r4, 0x0, 0x80001d00c0d0) (async) 12:35:17 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3c8, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1095.891034][ T3504] CPU: 1 PID: 3504 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1095.901025][ T3504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1095.911152][ T3504] Call Trace: [ 1095.914431][ T3504] [ 1095.917363][ T3504] dump_stack_lvl+0xda/0x130 [ 1095.921957][ T3504] dump_stack+0x15/0x20 [ 1095.926127][ T3504] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1095.931239][ T3504] kobject_add_internal+0x3eb/0x730 [ 1095.936425][ T3504] kobject_add+0xdc/0x150 [ 1095.940757][ T3504] ? kobject_get+0x95/0xc0 [ 1095.945191][ T3504] ? kobject_put+0xd8/0x160 [ 1095.949671][ T3504] ? device_add+0x2ea/0x8b0 [ 1095.954168][ T3504] device_add+0x2f8/0x8b0 [ 1095.958497][ T3504] netdev_register_kobject+0xfc/0x230 [ 1095.963932][ T3504] register_netdevice+0x65b/0xb20 [ 1095.969160][ T3504] ip6_tnl_create2+0x87/0x210 [ 1095.973887][ T3504] ip6_tnl_newlink+0x2bf/0x460 [ 1095.978635][ T3504] ? ip6_tnl_validate+0x80/0x80 [ 1095.983555][ T3504] rtnl_newlink+0xee5/0x1670 [ 1095.988135][ T3504] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1095.993456][ T3504] ? rtnl_newlink+0x2b1/0x1670 [ 1095.998219][ T3504] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1096.004472][ T3504] ? _raw_spin_unlock+0x26/0x40 [ 1096.009320][ T3504] ? __mutex_lock+0x21c/0x8d0 [ 1096.013981][ T3504] ? rtnl_setlink+0x300/0x300 [ 1096.018674][ T3504] rtnetlink_rcv_msg+0x807/0x8c0 [ 1096.023601][ T3504] ? enqueue_task_fair+0x325/0x800 [ 1096.028711][ T3504] ? check_preempt_wakeup_fair+0x1db/0x200 [ 1096.034571][ T3504] ? _raw_spin_unlock+0x26/0x40 [ 1096.039407][ T3504] ? kmem_cache_free+0x1d9/0x380 [ 1096.044332][ T3504] ? __kfree_skb+0x104/0x140 [ 1096.048958][ T3504] ? nlmon_xmit+0x4b/0x60 [ 1096.053267][ T3504] ? __kfree_skb+0x104/0x140 [ 1096.057919][ T3504] ? consume_skb+0x57/0x180 [ 1096.062413][ T3504] ? nlmon_xmit+0x4b/0x60 [ 1096.066741][ T3504] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1096.072017][ T3504] ? __dev_queue_xmit+0xaae/0x1d80 [ 1096.077175][ T3504] ? ref_tracker_free+0x3a1/0x400 [ 1096.082238][ T3504] netlink_rcv_skb+0x126/0x220 [ 1096.086994][ T3504] ? rtnetlink_bind+0x60/0x60 [ 1096.091673][ T3504] rtnetlink_rcv+0x1c/0x20 [ 1096.096180][ T3504] netlink_unicast+0x589/0x650 [ 1096.100989][ T3504] netlink_sendmsg+0x66e/0x770 [ 1096.105844][ T3504] ? netlink_getsockopt+0x3e0/0x3e0 [ 1096.111035][ T3504] ____sys_sendmsg+0x37c/0x4d0 [ 1096.115783][ T3504] __sys_sendmsg+0x1e9/0x270 [ 1096.120505][ T3504] __x64_sys_sendmsg+0x46/0x50 [ 1096.125247][ T3504] do_syscall_64+0x44/0x110 [ 1096.129835][ T3504] ? syscall_exit_to_user_mode+0x38/0x140 [ 1096.135539][ T3504] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1096.141507][ T3504] RIP: 0033:0x7f7bcc9aeae9 [ 1096.145902][ T3504] 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 [ 1096.165510][ T3504] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1096.173984][ T3504] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1096.181934][ T3504] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 1096.189883][ T3504] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1096.197861][ T3504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1096.205829][ T3504] R13: 000000000000000b R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1096.213892][ T3504] [ 1096.216936][ T3504] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1096.221352][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1096.241737][ T3518] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1096.250902][ T3518] CPU: 0 PID: 3518 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1096.260875][ T3518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1096.270913][ T3518] Call Trace: [ 1096.274180][ T3518] [ 1096.277102][ T3518] dump_stack_lvl+0xda/0x130 [ 1096.281682][ T3518] dump_stack+0x15/0x20 [ 1096.285824][ T3518] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1096.290941][ T3518] kobject_add_internal+0x3eb/0x730 [ 1096.296122][ T3518] kobject_add+0xdc/0x150 [ 1096.300499][ T3518] ? kobject_get+0x95/0xc0 [ 1096.304896][ T3518] ? kobject_put+0xd8/0x160 [ 1096.309381][ T3518] ? device_add+0x2ea/0x8b0 [ 1096.313932][ T3518] device_add+0x2f8/0x8b0 [ 1096.318249][ T3518] netdev_register_kobject+0xfc/0x230 [ 1096.324399][ T3518] register_netdevice+0x65b/0xb20 [ 1096.329469][ T3518] ip6_tnl_create2+0x87/0x210 [ 1096.334130][ T3518] ip6_tnl_newlink+0x2bf/0x460 [ 1096.338918][ T3518] ? ip6_tnl_validate+0x80/0x80 [ 1096.343762][ T3518] rtnl_newlink+0xee5/0x1670 [ 1096.348371][ T3518] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1096.354596][ T3518] ? _raw_spin_unlock+0x26/0x40 [ 1096.359430][ T3518] ? __mutex_lock+0x21c/0x8d0 [ 1096.364190][ T3518] ? rtnl_setlink+0x300/0x300 [ 1096.368903][ T3518] rtnetlink_rcv_msg+0x807/0x8c0 [ 1096.373903][ T3518] ? __rcu_read_unlock+0x4d/0x70 [ 1096.378837][ T3518] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1096.384258][ T3518] netlink_rcv_skb+0x126/0x220 [ 1096.389037][ T3518] ? rtnetlink_bind+0x60/0x60 [ 1096.393776][ T3518] rtnetlink_rcv+0x1c/0x20 [ 1096.398207][ T3518] netlink_unicast+0x589/0x650 [ 1096.402959][ T3518] netlink_sendmsg+0x66e/0x770 [ 1096.407761][ T3518] ? netlink_getsockopt+0x3e0/0x3e0 [ 1096.413023][ T3518] ____sys_sendmsg+0x37c/0x4d0 [ 1096.417773][ T3518] __sys_sendmsg+0x1e9/0x270 [ 1096.422356][ T3518] __x64_sys_sendmsg+0x46/0x50 [ 1096.427100][ T3518] do_syscall_64+0x44/0x110 [ 1096.431587][ T3518] ? syscall_exit_to_user_mode+0x38/0x140 [ 1096.437291][ T3518] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1096.443180][ T3518] RIP: 0033:0x7f7033abcae9 [ 1096.447599][ T3518] 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 [ 1096.467225][ T3518] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1096.475638][ T3518] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1096.483590][ T3518] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 12:35:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x196, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1096.491590][ T3518] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1096.499608][ T3518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1096.507571][ T3518] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1096.515621][ T3518] [ 1096.518709][ T3518] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1096.539844][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1096.540658][ T3528] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1096.557942][ T3528] CPU: 0 PID: 3528 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1096.567923][ T3528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1096.578021][ T3528] Call Trace: [ 1096.581302][ T3528] [ 1096.584229][ T3528] dump_stack_lvl+0xda/0x130 [ 1096.588834][ T3528] dump_stack+0x15/0x20 [ 1096.593060][ T3528] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1096.594123][ T3534] loop4: detected capacity change from 0 to 512 [ 1096.598284][ T3528] kobject_add_internal+0x3eb/0x730 [ 1096.609747][ T3528] kobject_add+0xdc/0x150 [ 1096.614172][ T3528] ? kobject_get+0x95/0xc0 [ 1096.616097][ T3534] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1096.618734][ T3528] ? kobject_put+0xd8/0x160 [ 1096.618756][ T3528] ? device_add+0x2ea/0x8b0 [ 1096.632125][ T3534] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1446/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1096.635609][ T3528] device_add+0x2f8/0x8b0 [ 1096.659232][ T3528] netdev_register_kobject+0xfc/0x230 [ 1096.664749][ T3528] register_netdevice+0x65b/0xb20 [ 1096.669762][ T3528] ip6_tnl_create2+0x87/0x210 [ 1096.674461][ T3528] ip6_tnl_newlink+0x2bf/0x460 [ 1096.679227][ T3528] ? ip6_tnl_validate+0x80/0x80 [ 1096.684082][ T3528] rtnl_newlink+0xee5/0x1670 [ 1096.688675][ T3528] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1096.693956][ T3528] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1096.700199][ T3528] ? _raw_spin_unlock+0x26/0x40 [ 1096.705036][ T3528] ? __mutex_lock+0x21c/0x8d0 [ 1096.709697][ T3528] ? rtnl_setlink+0x300/0x300 [ 1096.714368][ T3528] rtnetlink_rcv_msg+0x807/0x8c0 [ 1096.719294][ T3528] ? kmem_cache_free+0x1d9/0x380 [ 1096.724297][ T3528] ? __kfree_skb+0x104/0x140 [ 1096.728893][ T3528] ? nlmon_xmit+0x4b/0x60 [ 1096.733201][ T3528] ? __kfree_skb+0x104/0x140 [ 1096.737782][ T3528] ? consume_skb+0x57/0x180 [ 1096.742286][ T3528] ? nlmon_xmit+0x4b/0x60 [ 1096.746617][ T3528] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1096.751963][ T3528] ? __dev_queue_xmit+0xaae/0x1d80 [ 1096.757060][ T3528] ? ref_tracker_free+0x3a1/0x400 [ 1096.762096][ T3528] netlink_rcv_skb+0x126/0x220 [ 1096.766882][ T3528] ? rtnetlink_bind+0x60/0x60 [ 1096.771550][ T3528] rtnetlink_rcv+0x1c/0x20 [ 1096.775958][ T3528] netlink_unicast+0x589/0x650 [ 1096.780709][ T3528] netlink_sendmsg+0x66e/0x770 [ 1096.785490][ T3528] ? netlink_getsockopt+0x3e0/0x3e0 [ 1096.790701][ T3528] ____sys_sendmsg+0x37c/0x4d0 [ 1096.795457][ T3528] __sys_sendmsg+0x1e9/0x270 [ 1096.800049][ T3528] __x64_sys_sendmsg+0x46/0x50 [ 1096.804802][ T3528] do_syscall_64+0x44/0x110 [ 1096.809287][ T3528] ? syscall_exit_to_user_mode+0x38/0x140 [ 1096.814990][ T3528] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1096.820871][ T3528] RIP: 0033:0x7fd903c48ae9 [ 1096.825355][ T3528] 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 [ 1096.844940][ T3528] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1096.853339][ T3528] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1096.861290][ T3528] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1096.869287][ T3528] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1096.877238][ T3528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1096.885189][ T3528] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1096.893143][ T3528] 12:35:18 executing program 3: r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) (async) syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYRES8=0x0, @ANYRES32=r0], 0x1, 0x501, &(0x7f0000000b00)="$eJzs3c9vI1cdAPDvTNabdJs2KVTih4AtpbCg1dqJt42qXigXEKpWQlScOKQh8UZR7DiKndKElcj+D0hU4gR/AgckDkg9cecGNy7lgFRgBWqQejCa8eQHiZ0fNLGL/flIo3lv3oy/79ma95xnxy+AsfVCROxFxM2IeCsiZorjSbHF690tO+/DJ4+W9588Wk6i03nz70lenh2LY9dkni4ecyoivv+diB8lp+O2dnbXl+r12laRr7Qbm5XWzu69tcbSam21tlGtLswvzL16/5XqlbX1duPXH3x77Y0f/O63X3z/D3vf+ElWremi7Hg7rlK36aXDOJkbEfHGdQQbgomiPTcvc9He9dWHy0kj4lMR8WJ+/8/ERP5qXkyP2xoA+D/Q6cxEZ+Z4HgAYdWk+B5ak5WIuYDrStFzuzuE9H7fSerPVvvuwub2x0p0rm41S+nCtXpsr5gpno5Rk+fk8fZSvnsjfj4jnIuJnk0/l+fLyxecZAICr9fSJ8f9fk93xHwAYcVPnnbA4mHoAAINz7vgPAIwc4z8AjB/jPwCMH+M/AIwf4z8AjJ9i/J8Ydj0AgIGYiAfxvQcPOvvF71+vvL2zvd58+95KrbVebmwvl5ebW5vl1WZztV4rLzcb5z1evdncnH85tt+ptGutdqW1s7vYaG5vtBfz3/VerJUG0ioA4CzP3X7vT0lE7L32VL7FsbUcjNUw2tJhVwAYmsM5fz/HC2Pn6Lb/6VDrAQyev/GB89by7PsV4Xf/h2Ad7zXgk+DO58z/w7gy/w/jy3f+YXz52A/GV6eT9FvzPz08BQAYKeb4gYF+/g8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAjYjrfkrRcrAU+HWlaLkc8ExGzUUoertVrcxHxbET8cbI0meXnh11pAOBjSv+aFOt/3Zl5afpk6c3k35P5PiJ+/Is3f/7OUru9NZ8d/8fh8fa7xfFq95pvDrwNAMBZDsbpg3H8wIdPHi0fbIOszwff6i4umsXdL7ZuyY24ke+nohQRt/6ZFPmu7P3KxBXE33scEZ/t1f4knxuZLVY+PRk/i/3MQOOn/xU/zcu6++y5+PQlYp631iuMi/ey/uf1XvdfGi/k+6meix9P5T3Ux3fQ/+2f6v/Sw/5volf/d/sSMV7+/Xf7lj2O+PyNXvGTw/hJn/73pQvG//MXvvRiv7LOLyPuRO/4x2NV2o3NSmtn995aY2m1tlrbqFYX5hfmXr3/SrWSz1FXDmaqT/vba3efPav9t/rEnzqn/V89s9WdyYPUrz5664dfPiP+17/S+/V//oz42Zj4tTPjH1m69Zu+y3dn8Ve67X9cxE+6T/35r//dC8Z//y+7Kxc8FQAYgNbO7vpSvV7butJEKa74AY8lkmuqs8SIJ7L345e66qPOqaLPFFNmPa9KI+IT0dIrSQy7ZwKu29FNP+yaAAAAAAAAAAAAAAAA/Vz7vxOlw24hAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAo+w/AQAA//8EVsnb") (async) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) getsockname$l2tp6(r3, &(0x7f0000000000), &(0x7f00000000c0)=0x20) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) (async) lseek(r2, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x492040, 0x4) sendfile(r2, r6, 0x0, 0x80001d00c0d0) 12:35:18 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@private, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@remote}}, &(0x7f00000000c0)=0xe8) quotactl$Q_GETQUOTA(0xffffffff80000700, &(0x7f0000000000)=@sg0, r1, &(0x7f0000000380)) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x800) (async, rerun: 64) lseek(r2, 0x20400, 0x0) (rerun: 64) r4 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r2, r4, 0x0, 0x80001d00c0d0) 12:35:18 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3c9, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1096.896304][ T3528] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1096.914203][ T3539] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1096.923342][ T3539] CPU: 1 PID: 3539 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1096.923407][ T3546] loop3: detected capacity change from 0 to 512 [ 1096.933300][ T3539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1096.933312][ T3539] Call Trace: [ 1096.933318][ T3539] [ 1096.933325][ T3539] dump_stack_lvl+0xda/0x130 [ 1096.960406][ T3539] dump_stack+0x15/0x20 [ 1096.964632][ T3539] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1096.969740][ T3539] kobject_add_internal+0x3eb/0x730 [ 1096.974943][ T3539] kobject_add+0xdc/0x150 [ 1096.979319][ T3539] ? kobject_get+0x95/0xc0 [ 1096.983723][ T3539] ? kobject_put+0xd8/0x160 [ 1096.988229][ T3539] ? device_add+0x2ea/0x8b0 [ 1096.992756][ T3539] device_add+0x2f8/0x8b0 [ 1096.997149][ T3539] netdev_register_kobject+0xfc/0x230 [ 1097.002521][ T3539] register_netdevice+0x65b/0xb20 [ 1097.007570][ T3539] ip6_tnl_create2+0x87/0x210 [ 1097.012234][ T3539] ip6_tnl_newlink+0x2bf/0x460 [ 1097.016995][ T3539] ? ip6_tnl_validate+0x80/0x80 [ 1097.021941][ T3539] rtnl_newlink+0xee5/0x1670 [ 1097.026593][ T3539] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1097.031960][ T3539] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1097.038270][ T3539] ? _raw_spin_unlock+0x26/0x40 [ 1097.043118][ T3539] ? __mutex_lock+0x21c/0x8d0 [ 1097.047785][ T3539] ? rtnl_setlink+0x300/0x300 [ 1097.052455][ T3539] rtnetlink_rcv_msg+0x807/0x8c0 [ 1097.057449][ T3539] ? __rcu_read_unlock+0x4d/0x70 [ 1097.062454][ T3539] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1097.067817][ T3539] netlink_rcv_skb+0x126/0x220 [ 1097.072579][ T3539] ? rtnetlink_bind+0x60/0x60 [ 1097.077255][ T3539] rtnetlink_rcv+0x1c/0x20 [ 1097.081739][ T3539] netlink_unicast+0x589/0x650 [ 1097.086500][ T3539] netlink_sendmsg+0x66e/0x770 [ 1097.091312][ T3539] ? netlink_getsockopt+0x3e0/0x3e0 [ 1097.096578][ T3539] ____sys_sendmsg+0x37c/0x4d0 [ 1097.101330][ T3539] __sys_sendmsg+0x1e9/0x270 [ 1097.105958][ T3539] __x64_sys_sendmsg+0x46/0x50 [ 1097.110714][ T3539] do_syscall_64+0x44/0x110 [ 1097.115276][ T3539] ? syscall_exit_to_user_mode+0x38/0x140 [ 1097.121093][ T3539] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1097.127022][ T3539] RIP: 0033:0x7f7033abcae9 [ 1097.131425][ T3539] 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 [ 1097.151019][ T3539] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1097.159419][ T3539] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1097.167377][ T3539] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1097.175337][ T3539] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1097.183294][ T3539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1097.191270][ T3539] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 12:35:18 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x3f, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r3) (async) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r4}, 0x10) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x3}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r4, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r6], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) (async) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) [ 1097.199299][ T3539] [ 1097.202468][ T3539] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1097.224692][ T3546] EXT4-fs (loop3): couldn't mount as ext3 due to feature incompatibilities [ 1097.224900][ T3550] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1097.242469][ T3550] CPU: 0 PID: 3550 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1097.252443][ T3550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1097.262573][ T3550] Call Trace: [ 1097.263008][ T3555] loop2: detected capacity change from 0 to 512 [ 1097.265910][ T3550] [ 1097.265938][ T3550] dump_stack_lvl+0xda/0x130 [ 1097.279654][ T3550] dump_stack+0x15/0x20 [ 1097.283816][ T3550] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1097.288950][ T3550] kobject_add_internal+0x3eb/0x730 [ 1097.294215][ T3550] kobject_add+0xdc/0x150 [ 1097.298531][ T3550] ? kobject_get+0x95/0xc0 [ 1097.302936][ T3550] ? kobject_put+0xd8/0x160 [ 1097.307427][ T3550] ? device_add+0x2ea/0x8b0 [ 1097.311958][ T3550] device_add+0x2f8/0x8b0 [ 1097.316282][ T3550] netdev_register_kobject+0xfc/0x230 [ 1097.321714][ T3550] register_netdevice+0x65b/0xb20 [ 1097.326813][ T3550] ip6_tnl_create2+0x87/0x210 [ 1097.331480][ T3550] ip6_tnl_newlink+0x2bf/0x460 [ 1097.336242][ T3550] ? ip6_tnl_validate+0x80/0x80 [ 1097.341089][ T3550] rtnl_newlink+0xee5/0x1670 [ 1097.345698][ T3550] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1097.351962][ T3550] ? _raw_spin_unlock+0x26/0x40 [ 1097.356841][ T3550] ? __mutex_lock+0x21c/0x8d0 [ 1097.361574][ T3550] ? rtnl_setlink+0x300/0x300 [ 1097.366243][ T3550] rtnetlink_rcv_msg+0x807/0x8c0 [ 1097.371245][ T3550] ? kmem_cache_free+0x1d9/0x380 [ 1097.376176][ T3550] ? __kfree_skb+0x104/0x140 [ 1097.380872][ T3550] ? nlmon_xmit+0x4b/0x60 [ 1097.385236][ T3550] ? __kfree_skb+0x104/0x140 [ 1097.389840][ T3550] ? consume_skb+0x57/0x180 [ 1097.394421][ T3550] ? nlmon_xmit+0x4b/0x60 [ 1097.398741][ T3550] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1097.404104][ T3550] ? __dev_queue_xmit+0xaae/0x1d80 [ 1097.409233][ T3550] ? ref_tracker_free+0x3a1/0x400 [ 1097.414297][ T3550] netlink_rcv_skb+0x126/0x220 [ 1097.419071][ T3550] ? rtnetlink_bind+0x60/0x60 [ 1097.423747][ T3550] rtnetlink_rcv+0x1c/0x20 [ 1097.428243][ T3550] netlink_unicast+0x589/0x650 [ 1097.433035][ T3550] netlink_sendmsg+0x66e/0x770 [ 1097.437798][ T3550] ? netlink_getsockopt+0x3e0/0x3e0 [ 1097.443064][ T3550] ____sys_sendmsg+0x37c/0x4d0 [ 1097.447887][ T3550] __sys_sendmsg+0x1e9/0x270 [ 1097.452535][ T3550] ? wake_up_q+0x3f/0x70 [ 1097.456775][ T3550] __x64_sys_sendmsg+0x46/0x50 [ 1097.461525][ T3550] do_syscall_64+0x44/0x110 [ 1097.466082][ T3550] ? syscall_exit_to_user_mode+0x38/0x140 [ 1097.471864][ T3550] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1097.477840][ T3550] RIP: 0033:0x7fd903c48ae9 [ 1097.482316][ T3550] 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 [ 1097.501955][ T3550] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1097.510353][ T3550] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1097.518311][ T3550] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1097.526269][ T3550] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1097.534257][ T3550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1097.542228][ T3550] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1097.550189][ T3550] [ 1097.553243][ T3550] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1097.558780][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1097.579074][ T3555] EXT4-fs warning (device loop2): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop2. [ 1097.586836][ T3553] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' 12:35:19 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3d2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x19c, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:19 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x177940, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000002c0)={&(0x7f0000000000)='wbt_timer\x00', r3}, 0x10) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000002c0)={&(0x7f0000000000)='wbt_timer\x00', r3}, 0x10) creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) (async) ftruncate(r5, 0x800) lseek(r4, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) (async) sendfile(r4, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r2, 0x6609) [ 1097.599440][ T3553] CPU: 1 PID: 3553 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1097.609415][ T3553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1097.619514][ T3553] Call Trace: [ 1097.622787][ T3553] [ 1097.625714][ T3553] dump_stack_lvl+0xda/0x130 [ 1097.630322][ T3553] dump_stack+0x15/0x20 [ 1097.634506][ T3553] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1097.639720][ T3553] kobject_add_internal+0x3eb/0x730 [ 1097.644946][ T3553] kobject_add+0xdc/0x150 [ 1097.649321][ T3553] ? kobject_get+0x95/0xc0 [ 1097.653817][ T3553] ? kobject_put+0xd8/0x160 [ 1097.658385][ T3553] ? device_add+0x2ea/0x8b0 [ 1097.662970][ T3553] device_add+0x2f8/0x8b0 [ 1097.667332][ T3553] netdev_register_kobject+0xfc/0x230 [ 1097.670086][ T3573] loop4: detected capacity change from 0 to 512 [ 1097.672712][ T3553] register_netdevice+0x65b/0xb20 [ 1097.683959][ T3553] ip6_tnl_create2+0x87/0x210 [ 1097.688630][ T3553] ip6_tnl_newlink+0x2bf/0x460 [ 1097.693418][ T3553] ? ip6_tnl_validate+0x80/0x80 [ 1097.698413][ T3553] rtnl_newlink+0xee5/0x1670 [ 1097.702985][ T3553] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1097.707200][ T3573] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1097.708299][ T3553] ? rtnl_newlink+0x2b1/0x1670 [ 1097.720815][ T3573] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1447/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1097.725422][ T3553] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1097.725448][ T3553] ? _raw_spin_unlock+0x26/0x40 [ 1097.751455][ T3553] ? __mutex_lock+0x21c/0x8d0 [ 1097.756137][ T3553] ? rtnl_setlink+0x300/0x300 [ 1097.760884][ T3553] rtnetlink_rcv_msg+0x807/0x8c0 [ 1097.765828][ T3553] ? nlmon_xmit+0x4b/0x60 [ 1097.770147][ T3553] ? nlmon_xmit+0x4b/0x60 [ 1097.774486][ T3553] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1097.779863][ T3553] ? kmem_cache_free+0x1d9/0x380 [ 1097.784795][ T3553] ? __kfree_skb+0x104/0x140 [ 1097.789370][ T3553] ? nlmon_xmit+0x4b/0x60 [ 1097.793680][ T3553] ? __kfree_skb+0x104/0x140 [ 1097.798308][ T3553] ? consume_skb+0x57/0x180 [ 1097.802836][ T3553] ? nlmon_xmit+0x4b/0x60 [ 1097.807148][ T3553] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1097.812432][ T3553] ? __dev_queue_xmit+0xaae/0x1d80 [ 1097.817660][ T3553] ? ref_tracker_free+0x3a1/0x400 [ 1097.822665][ T3553] ? __skb_clone+0x23d/0x2f0 [ 1097.827253][ T3553] netlink_rcv_skb+0x126/0x220 [ 1097.832082][ T3553] ? rtnetlink_bind+0x60/0x60 [ 1097.836817][ T3553] rtnetlink_rcv+0x1c/0x20 [ 1097.841218][ T3553] netlink_unicast+0x589/0x650 [ 1097.846042][ T3553] netlink_sendmsg+0x66e/0x770 [ 1097.850884][ T3553] ? netlink_getsockopt+0x3e0/0x3e0 [ 1097.856069][ T3553] ____sys_sendmsg+0x37c/0x4d0 [ 1097.860826][ T3553] __sys_sendmsg+0x1e9/0x270 [ 1097.865400][ T3553] __x64_sys_sendmsg+0x46/0x50 [ 1097.870145][ T3553] do_syscall_64+0x44/0x110 [ 1097.874638][ T3553] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1097.880581][ T3553] RIP: 0033:0x7f7bcc9aeae9 [ 1097.884972][ T3553] 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 [ 1097.904565][ T3553] RSP: 002b:00007f7bcbd310c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1097.912992][ T3553] RAX: ffffffffffffffda RBX: 00007f7bccacdf80 RCX: 00007f7bcc9aeae9 [ 1097.920947][ T3553] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1097.928913][ T3553] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1097.936863][ T3553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1097.944814][ T3553] R13: 000000000000000b R14: 00007f7bccacdf80 R15: 00007ffcd1f66038 12:35:19 executing program 3: r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) syz_mount_image$ext4(&(0x7f00000004c0)='ext3\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYRES8=0x0, @ANYRES32=r0], 0x1, 0x501, &(0x7f0000000b00)="$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") r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='mounts\x00') r4 = open(&(0x7f0000002000)='./bus\x00', 0x14b142, 0x0) sendfile(r4, r3, 0x0, 0xf6c1) (async) getsockname$l2tp6(r3, &(0x7f0000000000), &(0x7f00000000c0)=0x20) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) (async) lseek(r2, 0x20400, 0x0) (async) r6 = open(&(0x7f0000000240)='./bus\x00', 0x492040, 0x4) sendfile(r2, r6, 0x0, 0x80001d00c0d0) 12:35:19 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) creat(&(0x7f0000000580)='./bus\x00', 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f0000000540)={&(0x7f0000000340)="58cb541e4aa59a4725ca125e1c064f11da2a1171f569e51631be5bddc5d8a2d02e05a29e29d0fa02abfff08a9be1b4450039c8b45b4fcb0b0dbad40db36a6e6c36cdd78f23", &(0x7f00000003c0)=""/166, &(0x7f0000002080)="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", &(0x7f0000000480)="be23f39d6fb3f91e3d0edb46398132c0158ce9ff628e44f767e53655dbc5", 0x4, r0, 0x4}, 0x38) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DAEMON(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000007c0)=ANY=[@ANYBLOB="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", @ANYRES16=r3, @ANYBLOB="0100000000000000000009000000300003801400020076657468310000000000000000000000080003000000000008000500ac1414aa0800010000000000"], 0x44}}, 0x0) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x90, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x80000001}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xfa}]}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2f}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}]}, 0x90}, 0x1, 0x0, 0x0, 0xc890}, 0x4) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000780)={&(0x7f0000000740)='xprt_reserve\x00', r0}, 0x10) open(0x0, 0x0, 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r5 = creat(&(0x7f0000000640)='./file0\x00', 0x0) ftruncate(r5, 0x800) r6 = creat(&(0x7f0000000600)='./bus\x00', 0x100) lseek(r4, 0x20400, 0x0) lseek(0xffffffffffffffff, 0x5, 0x0) getsockopt$inet_mptcp_buf(r6, 0x11c, 0x1, &(0x7f0000000680)=""/164, &(0x7f0000000940)=0xa4) r7 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r7, 0x0, 0x80001d00c0d0) [ 1097.952766][ T3553] [ 1097.955857][ T3553] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1097.976106][ T3569] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1097.985298][ T3569] CPU: 0 PID: 3569 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1097.995275][ T3569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1098.005319][ T3569] Call Trace: [ 1098.008578][ T3569] [ 1098.011493][ T3569] dump_stack_lvl+0xda/0x130 [ 1098.016102][ T3569] dump_stack+0x15/0x20 [ 1098.020255][ T3569] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1098.025364][ T3569] kobject_add_internal+0x3eb/0x730 [ 1098.030545][ T3569] kobject_add+0xdc/0x150 [ 1098.034933][ T3569] ? kobject_get+0x95/0xc0 [ 1098.039328][ T3569] ? kobject_put+0xd8/0x160 [ 1098.043861][ T3569] ? device_add+0x2ea/0x8b0 [ 1098.048426][ T3569] device_add+0x2f8/0x8b0 [ 1098.052738][ T3569] netdev_register_kobject+0xfc/0x230 [ 1098.058275][ T3569] register_netdevice+0x65b/0xb20 [ 1098.063307][ T3569] ip6_tnl_create2+0x87/0x210 [ 1098.067964][ T3569] ip6_tnl_newlink+0x2bf/0x460 [ 1098.072801][ T3569] ? ip6_tnl_validate+0x80/0x80 [ 1098.077668][ T3569] rtnl_newlink+0xee5/0x1670 [ 1098.082241][ T3569] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1098.087517][ T3569] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1098.093754][ T3569] ? _raw_spin_unlock+0x26/0x40 [ 1098.098646][ T3569] ? __mutex_lock+0x21c/0x8d0 [ 1098.103302][ T3569] ? rtnl_setlink+0x300/0x300 [ 1098.107989][ T3569] rtnetlink_rcv_msg+0x807/0x8c0 [ 1098.112951][ T3569] ? kmem_cache_free+0x1d9/0x380 [ 1098.117870][ T3569] ? __kfree_skb+0x104/0x140 [ 1098.122532][ T3569] ? nlmon_xmit+0x4b/0x60 [ 1098.126847][ T3569] ? __kfree_skb+0x104/0x140 [ 1098.131423][ T3569] ? consume_skb+0x57/0x180 [ 1098.135956][ T3569] ? nlmon_xmit+0x4b/0x60 [ 1098.140324][ T3569] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1098.145656][ T3569] ? __dev_queue_xmit+0xaae/0x1d80 [ 1098.150749][ T3569] ? ref_tracker_free+0x3a1/0x400 [ 1098.155836][ T3569] netlink_rcv_skb+0x126/0x220 [ 1098.160591][ T3569] ? rtnetlink_bind+0x60/0x60 [ 1098.165296][ T3569] rtnetlink_rcv+0x1c/0x20 [ 1098.169698][ T3569] netlink_unicast+0x589/0x650 [ 1098.174454][ T3569] netlink_sendmsg+0x66e/0x770 [ 1098.179276][ T3569] ? netlink_getsockopt+0x3e0/0x3e0 [ 1098.184496][ T3569] ____sys_sendmsg+0x37c/0x4d0 [ 1098.189321][ T3569] __sys_sendmsg+0x1e9/0x270 [ 1098.193897][ T3569] ? wake_up_q+0x3f/0x70 [ 1098.198140][ T3569] __x64_sys_sendmsg+0x46/0x50 [ 1098.202882][ T3569] do_syscall_64+0x44/0x110 [ 1098.207369][ T3569] ? syscall_exit_to_user_mode+0x38/0x140 [ 1098.213094][ T3569] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1098.219050][ T3569] RIP: 0033:0x7fd903c48ae9 [ 1098.223533][ T3569] 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 [ 1098.243130][ T3569] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1098.251586][ T3569] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1098.259565][ T3569] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1098.267519][ T3569] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1098.275550][ T3569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1098.283508][ T3569] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1098.291462][ T3569] 12:35:19 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3d8, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1098.294900][ T3569] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1098.301129][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1098.324650][T31253] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1098.326611][ T3581] loop2: detected capacity change from 0 to 512 [ 1098.345578][ T3583] loop3: detected capacity change from 0 to 512 [ 1098.355472][ T3574] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1098.364650][ T3574] CPU: 0 PID: 3574 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1098.374624][ T3574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1098.384681][ T3574] Call Trace: [ 1098.387960][ T3574] [ 1098.388164][ T3586] loop4: detected capacity change from 0 to 512 [ 1098.390877][ T3574] dump_stack_lvl+0xda/0x130 [ 1098.390905][ T3574] dump_stack+0x15/0x20 [ 1098.405875][ T3574] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1098.408331][ T3583] EXT4-fs (loop3): couldn't mount as ext3 due to feature incompatibilities [ 1098.411066][ T3574] kobject_add_internal+0x3eb/0x730 [ 1098.411091][ T3574] kobject_add+0xdc/0x150 [ 1098.411109][ T3574] ? kobject_get+0x95/0xc0 [ 1098.433653][ T3574] ? kobject_put+0xd8/0x160 [ 1098.435465][ T3581] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1098.438148][ T3574] ? device_add+0x2ea/0x8b0 [ 1098.438179][ T3574] device_add+0x2f8/0x8b0 [ 1098.450791][ T3581] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1488/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1098.455041][ T3574] netdev_register_kobject+0xfc/0x230 [ 1098.455080][ T3574] register_netdevice+0x65b/0xb20 [ 1098.467231][ T3586] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1098.474219][ T3574] ip6_tnl_create2+0x87/0x210 [ 1098.474244][ T3574] ip6_tnl_newlink+0x2bf/0x460 [ 1098.482291][ T3586] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1448/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1098.484612][ T3574] ? ip6_tnl_validate+0x80/0x80 [ 1098.507911][ T3586] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=39 sclass=netlink_route_socket pid=3586 comm=syz-executor.4 [ 1098.521264][ T3574] rtnl_newlink+0xee5/0x1670 [ 1098.521305][ T3574] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1098.549673][ T3574] ? _raw_spin_unlock+0x26/0x40 [ 1098.554547][ T3574] ? __mutex_lock+0x21c/0x8d0 [ 1098.559252][ T3574] ? rtnl_setlink+0x300/0x300 [ 1098.563914][ T3574] rtnetlink_rcv_msg+0x807/0x8c0 [ 1098.568853][ T3574] ? __rcu_read_unlock+0x4d/0x70 [ 1098.573850][ T3574] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1098.579206][ T3574] netlink_rcv_skb+0x126/0x220 [ 1098.584078][ T3574] ? rtnetlink_bind+0x60/0x60 [ 1098.588891][ T3574] rtnetlink_rcv+0x1c/0x20 [ 1098.593292][ T3574] netlink_unicast+0x589/0x650 [ 1098.598132][ T3574] netlink_sendmsg+0x66e/0x770 [ 1098.602968][ T3574] ? netlink_getsockopt+0x3e0/0x3e0 [ 1098.608237][ T3574] ____sys_sendmsg+0x37c/0x4d0 [ 1098.612999][ T3574] __sys_sendmsg+0x1e9/0x270 [ 1098.617652][ T3574] __x64_sys_sendmsg+0x46/0x50 [ 1098.622455][ T3574] do_syscall_64+0x44/0x110 [ 1098.626961][ T3574] ? syscall_exit_to_user_mode+0x38/0x140 [ 1098.632678][ T3574] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1098.638581][ T3574] RIP: 0033:0x7f7033abcae9 [ 1098.642973][ T3574] 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 [ 1098.662558][ T3574] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1098.670955][ T3574] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1098.678920][ T3574] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1098.686941][ T3574] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1098.694894][ T3574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:20 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) creat(&(0x7f0000000580)='./bus\x00', 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f0000000540)={&(0x7f0000000340)="58cb541e4aa59a4725ca125e1c064f11da2a1171f569e51631be5bddc5d8a2d02e05a29e29d0fa02abfff08a9be1b4450039c8b45b4fcb0b0dbad40db36a6e6c36cdd78f23", &(0x7f00000003c0)=""/166, &(0x7f0000002080)="75bbc24e2282f3e6c4e627bd150e2971c3270019b3209f9a77741b84b898391b1acd50e518729ca5ef6721d58c56e1ffa96f865d6c91467af2a060d04b6ac50e1b482667042eb5579a27f9b631f26103f04c7ba665d8647942d6afe12f6854b8524c1248424c99a809d49b93682c0bc319245ef5b10a9bbce3b06073fbbbe9684a95d9eeea2fd328b52dee22d86129e3e290336c063eb6ef602e43084b6717200794f9dc89b68bc989ceff8f448bae9d09e16a5b3e96768d3ca5933dd384f3259dc774715dc02b7a70806d1a6fe3667e20c4a7fe9228a7f5562bb58a14770cb5c6132bb0539763737b0a5352a900d549b2404ea097957ae9ba9b0657e08f05a4fd9b1b1272d8c4279c8f3995c70cd98303c821b960a9dfc62e91820a06c99e8581ec649637d0622dc4239f0429be3fb9d423e0b2598f9d9ed58c9ea0120b214d28c071d211f91ef3ec03b2e80b6c77d622a55aee7112a9ed72fed7d3e2512c01b68524ba089ae8772c709c10b48ab8cd305db0c8d37bf43f81fa3f48974940a95ddbacaf3c14ae9966d1f5dec208e035777d165316d7ef88dbe857ba8de2d847ea11b9c522ea79ed5d7e1f6b2c3a00e0750efb0f47936d3ff619a9789b88a031c6b538e9982cb48e1e27cf80547200a260c9b70e84d4c7227363848e58519713548ff0ea8cd7bef058f7eb66e13251ae2377c574f5218eb33ee13b4ff1b76479b42b8f9a8e8420f59b6c6461cc415874f7c566616b3d2ce272412a80ba911f389f0a1733938abb51bb9876983bc5257b4b5a8f35c53d730056951da1b028afc954b5d826b3935752fa2557a9aecce02e01932ede08dfd1ad16e21658eb1e65ec91e4f47c7064f96dd499bbede20cc2ef28b69fd8dba7345feb48f555a9eea6d29b8043c93b6f21e4a6a2cfcc9e7849e919e3391840838ea03ac6a141498717fc7d9ee51a82cc2e8ab0d59f89adefe5c89465b71f9d8663bbc30d604ed381f2522c88573e5ce03c771391ad11a5a64bb95624aaeaf333e8983f7e9acb3b3ddb4a3739b7a13d57fc7d5062855df081347aa488fbf62943c61f1f9bff37cef85258421c544f2a81ea17813e717fdb9f556d5b1e87ce3005115c9a2ea937e6c067f63b6c37c32296b79d62df5c9a63211040fc4709aa5b3b7f127c71238b10487aeb8f760ae2cd28b1ee0ba9e8c7a28572610aa35670bc2d7c12ed007d3839b371ddca1da6a0b6cc066e3d5078dd65c5a169b4b39e5426502b28ff56a3c2b7809244dc8d4dd7a93dd5f9828b4c1e13e8a77bf67b329c58d90ef7704443e1d7bfc671a98ab54b125e777ba4edafacadc05e39a2d88c572d2bb9a08987a982dad9f09c4eb91fbfb985fe8f2c601d15d98c4f22b0dd512aba511fbd7153da455be550a99502d4e7ffa1cd4e69355d5dd41c7352c84d8dce792ddfd866a71c1340c8c91f8b5e4d1de1a230249d3e072c71ced8c8673d2c9be398c0e1302bb60c077bd11b2393071ffae49430836aaffda9e662c7bff37abb97e9b92b00e76eb5ebfa3565cfed319681192bd80968d704bd61f69e6355eb00035bdcefd046f9d97e06ff268c993de4f4dc23187e51624979912869a3307f11dde3ae79af68d0336f85fd4173cce631dee1a1e7c075efdf88dcfcdd9e6bc313151d3d2b8ea02cfd47c2b2fc30cea2e52fb02b091cc8eef1aeb7edc804d869be2ae40c8e5eba459acb13acf01e9654fdbc27998d3944758b8e9dc91953ee92fb67eee5ead721b5c7037f5eeaa3f3a68c9adb36c65f401f79bea4cf698dcf1b146b8e4108150b76a6e5eb18f1f1ae680f9aa7b890ad0531c90326915d85427deba4445ef431fe8cdbad64210450be7b887b1f0fd373dd3d5cb253352840ce7efb53e37dd4af1e35ea3b84319a007795b8139467098d86445f362075daeecae45ad948384a7409a0a5fc0fb939bab7a51681ee725e2d41c5d479d4745a4413686dea0638bd472889480ae18864d5dbf4a1a8958111580c0233547fc6fa887d76416c5ef31e58e300002802c88c54a94d903cc70b48d57667cf82b924bc9f863f5e13acc2190a990028a41f95b8e6aa781f8b315249ded698ab606c7c61a3bceb7b4ee84f98e4dd072c0c20e1a5a7a1c63b383ce867752440c9b0aafa5566d590ff65a8d2a60ba322f638841678f4431a2e73e309e5f5c4b724674324bbc97e05953a5448411857870ca3f3c2e016a4023771a2d48a544f136567fd86d1e2a1e835da9bdd80264d22994103fcca2b14b67e9c2131e6090c7c0a06afd7f9e78e460ee5f26ccdb1aa9a8428004000383be8c5fd0a6cd6897b351174d4d72077e75388ae41cfa28ae44dcd504bef97ee4b3362527f37bc27f625332f6ca847574f978c8a61c182f9c7c1ee2e8ae595e7ba13f75b9836fd8730e8bd611fa12be23fa951ec18b6db8fcf50e6d582dfb056dc6b343a36c4406a6ce27ab9cd8939e865bc56033aaa02b1af0a08315eadf02d89eec95df0cf0f0dd4bd8f0808fe80116ab4db5876687608a221878b62a62b2408bbc0af91b1ee6ffa94d1ae264d1a505d0144127f7168a03b5f8338133343521e7cc2bcd4e182858de216a96d0d15cea8a06a25568dacab0a1617e5c6e729c5882e821110623cc145c6e03d106c89994729210cde2a47f180b361f51fa1c9a7509de0b69d821ad2e3749daab95dc543b5278c095bfe9ed51557e37595d928dff36fcea8bd154280c8400020857430666d478646cf53e6db5de061b86006a9bfed07aa20f26b4f083d26f70fa464d360cb15ed3f94e2ab0628d6e4cd1b595ce387562b3f5e77e41d55a3caba4adc24c4be4a563a73f40b68f4b5ec5b41315e14dc0664ec844c030eb4e35e88f758366da3cb5a28500f28f30ed4e592d095522a5ffbf0a264bf3eed6f71a441af1e46b26367cf6e71aabc876f2239f144de34c5c97d8d7565c9503f39e7bfefb475d7003d9acaaa0b6cc55f8db9ee378b13b4b794e4d8a60dbe02d1ecd3c6c2e01b4dff5587932be3b76de0e43cff65538960cdb4759d0416c4200ca9a51aa41ada6a47ade5d835ffde9b715aef18906d9a746a46ec982fdee653ede97bbee0fc67bbc9c729496a853e3b90a36182031d509f451cebe4a877b65df35768e7118f59ee3705fbed9c8dbf1df9a2c24ef750a49c0f499112f7ac6b6c273c394ab9a53cd0433610046c0f0101c96a22f415aae1cbd8158e22ccfc7a0dd170f8219dd5712f1c018e27e559048989aeab6991c6ae0645cbcfa311e96d8d40f0819b27f25f4d9758dbcb360533fb7792d4b0e70959404e0d3d564626216074231e97a20531b214286ae9db067a7dc799822080c720677aff4941191e9da5a361ee07f7bb7a1b7a991d1dc2f7350b241e6b703d4e0f84c6a4f3745f29680c4056ba163725ddd2266774b5eb25b36edabecef8881c767e655b6b2cdd2ed85e2d89c36fa2ac16816428547098859e83681d0ab012eebc8a925e04006185c8252c44f74a3a59ccc2008156849e9370a7eae66f3ef7c3d2bfa8dda6b85d07b258013ed5e6b28b1fa892006d3f6d085515e85236d59b6ef64a40827e1fafe093cd1bc4b305b8c2815182c9096b437a8adb4838b77e676d29580a7ae2f0df4560ae4876b655898331fd0f83f1c7b3b64d40ee0c056edbbbd50a54bf2ec099515e8fdfffe8fff045803e5da3b1081190034525336d74d215fa3c1a09de57451d37d892a4a0e60d051423752fe2a8c91076d313462c492f48caa20f886e02af928c8735831a5c13a20d4d71361597b50f47afbea3be8983a9cf995a9589ada63004e834a43b5c6eede6c6be9e432b1c92a4af5e6a238e1aae18dce1f2e243a72498523afd01e2571facbe5b7e32cbc242a1162582cc8b751e1139a2e4be55eaf21cd0749e5c0c430e87f2cb5282c15d78e21da0af24ad1bb169bb1aecf086d0daa2c97f2f3ecf0579544a3729fd3c00ac484f97e3edfc6f3d01bde1262a8c6f60cb2a2064239b27df23864b62e2c9016f9f4fe64e71a3f217434ff6b14640bf035bea4f379d18668727413190f979793e8e2ed2150fed6cff478107c8c6a51dbb72ceb51d540b4a4445163ea830c3b049a7c0863d0d32acbb0c59ee45d2f491379eb7c494e2543c8e9561fbeb54a407e38e04190a3401656de25c5aaf8c5cbed770bcd2dc3b608fb45be4c2c47f65b320adcc82b6c4bc238f5460c607e05c49ba3747104c711b4994ca9375fe0fa43adc2fbd71a66e3f3167a373634ef291f42b4ee16de09903b052f137a11699aa7b9e61f78e4397e429b98ced4e377f60f035d60fa6631ec6593132cee36e5d890b6e5e0be689e050bdc103e6a93c2a5fc2c9d274938e2e28563c00013f38abc91fdf08b5108fa21b5ef99ecc64f11a40d1b3c8a18dbb34242e12bfd54f64f1b3491519433c860d38865dd268c4afb0a95a0d0baaf3851bc8afee50ca4b10340920a897ba076d9cbb78739c509021980f0911f8f0363d9396b6deb81bdde00c86aadf788dc4c903be101299ea212aabedf566736d0402092447e5ab40ff0bb79eedc21d95ef40510d7689f175eda01cc482ebf94070229cd2c137b2ca8fa9b0aa6dc08e4b8e3d95a1631437d91be401bf37c76465408b0382e13eb415aa79e6a8a03cda0c842b691cad7fec4bcc2ac440da8086959bca9f06d10f804b8b91629cf294e53479caf13975720e14c0c5b205ada4c09809e86c38706a805f64db07eca163dff7f7601aa3476776a2e5fe8e96bc3cb07c536d9be529e6ec6a1fe7b378b8b3d16850b2684fd598cdd9c240eac18eecde98727a5512b1dba80a91c1ecb055a25ca38de0828b06b1ac32f0759da36aebd2b71f2a08c39a9cf9e7b273eb9a7fa960de3ea8e086aef92dafcd2321cc8905c9c7c461e16a453754ca7a1aa4252b8495468314ef75238e67b209c6b1d55a6090d3b3444b9b51bba0301e1d64cd0e2aab807e7d55488dcd91a10f629e41e10b7852e07092d130f97632c56f8809a2c6cc7e6f758c68efc49b0fc536d6a47f10f8ace9bf8cf9d10863ae104b907861884c084c6086c395267047526ceeac562adcf581ebe53bcd3f058412d06aede2dc61323f78289d9f14dee4ae576cfb17ef444cd79064caf6389f17b97fa80a341d333ebfeb51c59fb6d33aa19e47a4ad8fc278cb6f79c2810767b1481fc9f630ecf7c52252cb13d3b5c15146bb21ae792717f031bb09d9c706b2eb6b9b3fbc8372a0e347c14667bd39695ed9ccb3bc4e474bee9972cc0f986dcf7d14bed76ae1a249054ed29a68c7189f187a2ac3fe32372e88cc9fdc9f637459b2c33ecfd17df11a974050ffc30fee0b3151b72d6ede061ae2bd11140b2746e96e811ce8482059983c1ce32ea2e4c9e3975d705c7e6f1534d0817999d44e9a059a1a7cd5c3679ca6e8ec3acd0383c27e514f2c1013635ac8bc2be93247fb47f0fff002165b6de4756a33178c495004192168148fa2b44642a2bd42fa0adc5429885d94ff0d37f1fcc87841ad114ae3836b427dbf828abbb3cf085ef123d420015fcc043a393993c43c42bda8ee348f1c2777fa24769af18501ae8f8a3c7e5415262c4da8c211591e0e504c5f50413da998e9f931fbf933eff450e3a7704da9a388458d446c6f1faf9ca002c2a1a7664791bdff806556c03bbc80a3e44c436f2231d967db18a08fdabc694f2ae35110a7492860e23abc50a83ac248139a5f09d5bea43c51ad183ee4588a9e98c20554f6b692a2e8724eea215d9efd4d74da38945db101968802045cb7e470eebc63b64c0f60cc522f24f76f5a2c", &(0x7f0000000480)="be23f39d6fb3f91e3d0edb46398132c0158ce9ff628e44f767e53655dbc5", 0x4, r0, 0x4}, 0x38) (async) bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f0000000540)={&(0x7f0000000340)="58cb541e4aa59a4725ca125e1c064f11da2a1171f569e51631be5bddc5d8a2d02e05a29e29d0fa02abfff08a9be1b4450039c8b45b4fcb0b0dbad40db36a6e6c36cdd78f23", &(0x7f00000003c0)=""/166, &(0x7f0000002080)="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", &(0x7f0000000480)="be23f39d6fb3f91e3d0edb46398132c0158ce9ff628e44f767e53655dbc5", 0x4, r0, 0x4}, 0x38) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) (async) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DAEMON(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000007c0)=ANY=[@ANYBLOB="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", @ANYRES16=r3, @ANYBLOB="0100000000000000000009000000300003801400020076657468310000000000000000000000080003000000000008000500ac1414aa0800010000000000"], 0x44}}, 0x0) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x90, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x80000001}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xfa}]}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2f}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}]}, 0x90}, 0x1, 0x0, 0x0, 0xc890}, 0x4) (async) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x90, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x80000001}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xfa}]}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2f}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}]}, 0x90}, 0x1, 0x0, 0x0, 0xc890}, 0x4) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000780)={&(0x7f0000000740)='xprt_reserve\x00', r0}, 0x10) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000780)={&(0x7f0000000740)='xprt_reserve\x00', r0}, 0x10) open(0x0, 0x0, 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000640)='./file0\x00', 0x0) (async) r5 = creat(&(0x7f0000000640)='./file0\x00', 0x0) ftruncate(r5, 0x800) r6 = creat(&(0x7f0000000600)='./bus\x00', 0x100) lseek(r4, 0x20400, 0x0) lseek(0xffffffffffffffff, 0x5, 0x0) getsockopt$inet_mptcp_buf(r6, 0x11c, 0x1, &(0x7f0000000680)=""/164, &(0x7f0000000940)=0xa4) r7 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r7, 0x0, 0x80001d00c0d0) (async) sendfile(r4, r7, 0x0, 0x80001d00c0d0) [ 1098.702844][ T3574] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1098.710804][ T3574] [ 1098.713857][ T3574] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1098.729902][ T3191] ================================================================== [ 1098.731115][ T3587] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1098.737968][ T3191] BUG: KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages [ 1098.737990][ T3191] [ 1098.737994][ T3191] read-write to 0xffff888100631830 of 8 bytes by task 3583 on cpu 1: [ 1098.738008][ T3191] __filemap_remove_folio+0x1d1/0x2d0 [ 1098.747163][ T3587] CPU: 1 PID: 3587 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1098.755225][ T3191] __remove_mapping+0x341/0x460 [ 1098.757533][ T3587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1098.765566][ T3191] remove_mapping+0x22/0x90 [ 1098.770907][ T3587] Call Trace: [ 1098.770917][ T3587] [ 1098.780851][ T3191] mapping_try_invalidate+0x286/0x3d0 [ 1098.785671][ T3587] dump_stack_lvl+0xda/0x130 [ 1098.795698][ T3191] invalidate_mapping_pages+0x27/0x30 [ 1098.800194][ T3587] dump_stack+0x15/0x20 [ 1098.803452][ T3191] invalidate_bdev+0x65/0x70 [ 1098.806362][ T3587] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1098.811698][ T3191] ext4_fill_super+0x1789/0x39a0 [ 1098.816298][ T3587] kobject_add_internal+0x3eb/0x730 [ 1098.821635][ T3191] get_tree_bdev+0x272/0x300 [ 1098.825760][ T3587] kobject_add+0xdc/0x150 [ 1098.830314][ T3191] ext4_get_tree+0x1c/0x20 [ 1098.835394][ T3587] ? kobject_get+0x95/0xc0 [ 1098.840297][ T3191] vfs_get_tree+0x51/0x1b0 [ 1098.845464][ T3587] ? kobject_put+0xd8/0x160 [ 1098.850020][ T3191] do_new_mount+0x203/0x660 [ 1098.854318][ T3587] ? device_add+0x2ea/0x8b0 [ 1098.858702][ T3191] path_mount+0x496/0xb30 [ 1098.863090][ T3587] device_add+0x2f8/0x8b0 [ 1098.867478][ T3191] __se_sys_mount+0x27f/0x2d0 [ 1098.871954][ T3587] netdev_register_kobject+0xfc/0x230 [ 1098.876426][ T3191] __x64_sys_mount+0x67/0x80 [ 1098.880908][ T3587] register_netdevice+0x65b/0xb20 [ 1098.885204][ T3191] do_syscall_64+0x44/0x110 [ 1098.889506][ T3587] ip6_tnl_create2+0x87/0x210 [ 1098.894147][ T3191] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1098.899490][ T3587] ip6_tnl_newlink+0x2bf/0x460 [ 1098.904049][ T3191] [ 1098.904055][ T3191] read to 0xffff888100631830 of 8 bytes by task 3191 on cpu 0: [ 1098.909043][ T3587] ? ip6_tnl_validate+0x80/0x80 [ 1098.913512][ T3191] nr_blockdev_pages+0x7c/0xd0 [ 1098.918161][ T3587] rtnl_newlink+0xee5/0x1670 [ 1098.924019][ T3191] si_meminfo+0x87/0xd0 [ 1098.928755][ T3587] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1098.931059][ T3191] update_defense_level+0x46/0x600 [ 1098.938578][ T3587] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1098.943388][ T3191] defense_work_handler+0x1f/0x80 [ 1098.948138][ T3587] ? _raw_spin_unlock+0x26/0x40 [ 1098.952694][ T3191] process_scheduled_works+0x5b8/0xa30 [ 1098.956819][ T3587] ? __mutex_lock+0x21c/0x8d0 [ 1098.962073][ T3191] worker_thread+0x525/0x730 [ 1098.967156][ T3587] ? rtnl_setlink+0x300/0x300 [ 1098.973361][ T3191] kthread+0x1d7/0x210 [ 1098.978360][ T3587] rtnetlink_rcv_msg+0x807/0x8c0 [ 1098.983184][ T3191] ret_from_fork+0x48/0x60 [ 1098.988633][ T3587] ? kmem_cache_free+0x1d9/0x380 [ 1098.993358][ T3191] ret_from_fork_asm+0x11/0x20 [ 1098.997917][ T3587] ? __kfree_skb+0x104/0x140 [ 1099.002563][ T3191] [ 1099.002567][ T3191] value changed: 0x0000000000000009 -> 0x0000000000000005 [ 1099.006602][ T3587] ? nlmon_xmit+0x4b/0x60 [ 1099.011508][ T3191] [ 1099.011512][ T3191] Reported by Kernel Concurrency Sanitizer on: [ 1099.015892][ T3587] ? __kfree_skb+0x104/0x140 12:35:20 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f0000000580)=""/143, 0x40f00, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1000000}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x40}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x9, &(0x7f0000000040)=""/9, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x80000, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x0, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) ioctl$FS_IOC_GETFLAGS(r5, 0x80086601, &(0x7f0000000300)) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:35:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x1b2, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1099.020799][ T3191] CPU: 0 PID: 3191 Comm: kworker/0:5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1099.025877][ T3587] ? consume_skb+0x57/0x180 [ 1099.030437][ T3191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1099.032738][ T3587] ? nlmon_xmit+0x4b/0x60 [ 1099.039816][ T3191] Workqueue: events_long defense_work_handler [ 1099.044114][ T3587] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1099.046415][ T3191] [ 1099.046419][ T3191] ================================================================== [ 1099.052535][ T3587] ? __dev_queue_xmit+0xaae/0x1d80 [ 1099.112857][ T3587] ? ref_tracker_free+0x3a1/0x400 [ 1099.117896][ T3587] ? sysvec_apic_timer_interrupt+0x42/0x80 [ 1099.123782][ T3587] netlink_rcv_skb+0x126/0x220 [ 1099.128540][ T3587] ? rtnetlink_bind+0x60/0x60 [ 1099.133205][ T3587] rtnetlink_rcv+0x1c/0x20 [ 1099.137708][ T3587] netlink_unicast+0x589/0x650 [ 1099.142491][ T3587] netlink_sendmsg+0x66e/0x770 [ 1099.147311][ T3587] ? netlink_getsockopt+0x3e0/0x3e0 [ 1099.152557][ T3587] ____sys_sendmsg+0x37c/0x4d0 [ 1099.157318][ T3587] __sys_sendmsg+0x1e9/0x270 [ 1099.161906][ T3587] __x64_sys_sendmsg+0x46/0x50 [ 1099.166676][ T3587] do_syscall_64+0x44/0x110 [ 1099.171167][ T3587] ? syscall_exit_to_user_mode+0x38/0x140 [ 1099.176943][ T3587] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1099.182840][ T3587] RIP: 0033:0x7fd903c48ae9 [ 1099.187253][ T3587] 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 [ 1099.206957][ T3587] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1099.215373][ T3587] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1099.223327][ T3587] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1099.231309][ T3587] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1099.239330][ T3587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1099.247283][ T3587] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1099.255263][ T3587] 12:35:20 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$eJzs3c9vG1kdAPDvTOImm81usrASPwRsWRYKqmon7m602tNyAaHVSogVJw7ZkLhRFDuOYmdpQiXS/wGJSpzgT+CAxAGpJ+7c4MalHJAKVKAGiYPRjCdpSOMkbRMb7M9HGs28eeP5vldr3nO/SfwCGFlXI2IvIq5ExMcRMVOcT4ot3u9u2XWPH91Z3n90ZzmJTuejvyV5fXYujrwm83Jxz8mI+N63I36YPB23tbO7vlSv17aKcqXd2Ky0dnZvrDWWVmurtY1qdWF+Ye7dm+9UL6yvbzR+9fBbax98/7e/+eKD3+9948dZs6aLuqP9uEjdrpcO42TGI+KDywg2AGNFf64MuiE8lzQiPhURb+bP/0yM5e/m+ZzwWAMA/wc6nZnozBwtAwDDLs1zYElaLnIB05Gm5XI3h/d6TKX1Zqt9/VZze2OlmyubjVJ6a61emytyhbNRSrLyfH78pFw9Vr4ZEa9FxE8nXsrL5eXz5xkAgIv18rH5/58T3fkfABhyk2ddsNifdgAA/XPm/A8ADB3zPwCMHvM/AIwe8z8AjB7zPwCMnmL+Hxt0OwCAvvjuhx9mW2e/+P7rlU92ttebn9xYqbXWy43t5fJyc2uzvNpsrtZr5eVm46z71ZvNzfm3Y/t2pV1rtSutnd3FRnN7o72Yf6/3Yq3Ul14BAKd57Y37f0wiYu+9l/ItjqzlYK6G4ZYOugHAwMj5w+jyLdwwuvwfHzhrLc+evyJ87zmCdX7yHC8CLtq1z8n/w6iS/4fRJf8Po0v+H0ZXp5P0WvM/PbwEABgqcvxAX3/+DwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAENiOt+StFysBT4daVouR7wSEbNRSm6t1WtzEfFqRPxhojSRlecH3WgA4AWlf0mK9b+uzbw1fbz2SvKviXwfET/6+Uc/u73Ubm/NZ+f/fni+fa84Xx1E+wGAsxzM0wfz+IHHj+4sH2z9bM/Db3YXF83i7hdbt2Y8xvP9ZJQiYuofSVHuyj6vjF1A/L27EfHZk/qf5LmR2WLl0+Pxs9iv9DV++l/x07yuu8/+LT79DDHPWusVRsX9bPx5/6TnL42r+X7yxMWPJ/MR6sUdjH/7T41/6eH4N9Zj/Lt63hhv/+47PevuRnx+/KT4yWH8pEf8t84Z/09f+NKbveo6v4i4FifHPxqr0m5sVlo7uzfWGkurtdXaRrW6ML8w9+7Nd6qVPEddOchUP+2v711/9bT+T/WIP3lG/796aq87EwdHv/z3xz/48inxv/6Vk9//10+Jn82JXzs1/hNLU7/uuXx3Fn+l2/+7z/r+Xz9n/Ad/3l0556UAQB+0dnbXl+r12taFHpTigm945CC5pDY7GPKD7PP4i97nM0XK7H+gO5d9MOiRCbhsTx76QbcEAAAAAAAAAAAAAADo5dL/nCgddA8BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYZv8JAAD//wqryik=") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = syz_open_dev$ptys(0xc, 0x3, 0x1) write$binfmt_script(r1, &(0x7f0000000000)=ANY=[@ANYBLOB="2321202e2fcf2c6925e3b3db360920657b2065787434d8d900"], 0x22) r2 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x20) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000300), r3) sendmsg$DEVLINK_CMD_SB_OCC_SNAPSHOT(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000600)={0xf8, r4, 0x10, 0x70bd27, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x401}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xa81}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4d}}]}, 0xf8}, 0x1, 0x0, 0x0, 0x200c0094}, 0x10000004) r5 = open(&(0x7f0000000580)='./file0\x00', 0x0, 0x0) getdents(r5, &(0x7f0000001fc0)=""/184, 0xb8) openat$cgroup_ro(r3, &(0x7f0000000340)='blkio.bfq.io_wait_time_recursive\x00', 0x0, 0x0) r6 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r7 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r8 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r9 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r9, 0x800) lseek(r8, 0x20400, 0x0) r10 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r8, r10, 0x0, 0x80001d00c0d0) creat(&(0x7f0000000280)='./file0\x00', 0x21) ioctl$EXT4_IOC_MIGRATE(r6, 0x6609) sendmsg$NFQNL_MSG_VERDICT_BATCH(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, 0x3, 0x3, 0x801, 0x0, 0x0, {0x5, 0x0, 0x8}, [@NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffd}}, @NFQA_MARK={0x8, 0x3, 0x1, 0x0, 0x3}, @NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffc, 0x7}}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000040}, 0x20000000) open(&(0x7f0000000540)='./file0\x00', 0x80, 0x20) 12:35:20 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3da, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1099.258365][ T3587] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1099.283070][ T3602] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1099.287805][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1099.292204][ T3602] CPU: 1 PID: 3602 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1099.311124][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1099.321172][ T3602] Call Trace: [ 1099.324508][ T3602] [ 1099.327423][ T3602] dump_stack_lvl+0xda/0x130 [ 1099.332004][ T3602] dump_stack+0x15/0x20 [ 1099.336159][ T3602] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1099.341264][ T3602] kobject_add_internal+0x3eb/0x730 [ 1099.346453][ T3602] kobject_add+0xdc/0x150 [ 1099.350851][ T3602] ? kobject_get+0x95/0xc0 [ 1099.355287][ T3602] ? kobject_put+0xd8/0x160 [ 1099.359775][ T3602] ? device_add+0x2ea/0x8b0 [ 1099.364317][ T3602] device_add+0x2f8/0x8b0 [ 1099.368641][ T3602] netdev_register_kobject+0xfc/0x230 [ 1099.374009][ T3602] register_netdevice+0x65b/0xb20 [ 1099.379030][ T3602] ip6_tnl_create2+0x87/0x210 [ 1099.383692][ T3602] ip6_tnl_newlink+0x2bf/0x460 [ 1099.388528][ T3602] ? ip6_tnl_validate+0x80/0x80 [ 1099.393439][ T3602] rtnl_newlink+0xee5/0x1670 [ 1099.398086][ T3602] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1099.403366][ T3602] ? rtnl_newlink+0x2b1/0x1670 [ 1099.408175][ T3602] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1099.414478][ T3602] ? _raw_spin_unlock+0x26/0x40 [ 1099.419331][ T3602] ? __mutex_lock+0x21c/0x8d0 [ 1099.423998][ T3602] ? rtnl_setlink+0x300/0x300 [ 1099.428669][ T3602] rtnetlink_rcv_msg+0x807/0x8c0 [ 1099.433669][ T3602] ? kmem_cache_free+0x1d9/0x380 [ 1099.438639][ T3602] ? __kfree_skb+0x104/0x140 [ 1099.443230][ T3602] ? nlmon_xmit+0x4b/0x60 [ 1099.447671][ T3602] ? __kfree_skb+0x104/0x140 [ 1099.452275][ T3602] ? consume_skb+0x57/0x180 [ 1099.456852][ T3602] ? nlmon_xmit+0x4b/0x60 [ 1099.461170][ T3602] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1099.466450][ T3602] ? __dev_queue_xmit+0xaae/0x1d80 [ 1099.471551][ T3602] ? ref_tracker_free+0x3a1/0x400 [ 1099.476610][ T3602] netlink_rcv_skb+0x126/0x220 [ 1099.481399][ T3602] ? rtnetlink_bind+0x60/0x60 [ 1099.486076][ T3602] rtnetlink_rcv+0x1c/0x20 [ 1099.490587][ T3602] netlink_unicast+0x589/0x650 [ 1099.495350][ T3602] netlink_sendmsg+0x66e/0x770 [ 1099.500188][ T3602] ? netlink_getsockopt+0x3e0/0x3e0 [ 1099.505443][ T3602] ____sys_sendmsg+0x37c/0x4d0 [ 1099.510194][ T3602] __sys_sendmsg+0x1e9/0x270 [ 1099.514778][ T3602] __x64_sys_sendmsg+0x46/0x50 [ 1099.519593][ T3602] do_syscall_64+0x44/0x110 [ 1099.524090][ T3602] ? syscall_exit_to_user_mode+0x38/0x140 [ 1099.529881][ T3602] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1099.535805][ T3602] RIP: 0033:0x7f7bcc9aeae9 [ 1099.540258][ T3602] 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 [ 1099.559893][ T3602] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1099.568291][ T3602] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1099.576311][ T3602] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1099.584269][ T3602] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1099.592224][ T3602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1099.600180][ T3602] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1099.608140][ T3602] [ 1099.611281][ T3602] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1099.616760][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1099.629490][ T3603] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1099.644027][ T3603] CPU: 1 PID: 3603 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1099.654094][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1099.664167][ T3603] Call Trace: [ 1099.667467][ T3603] [ 1099.670386][ T3603] dump_stack_lvl+0xda/0x130 [ 1099.675000][ T3603] dump_stack+0x15/0x20 [ 1099.679146][ T3603] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1099.684251][ T3603] kobject_add_internal+0x3eb/0x730 [ 1099.689477][ T3603] kobject_add+0xdc/0x150 [ 1099.693794][ T3603] ? kobject_get+0x95/0xc0 [ 1099.698195][ T3603] ? kobject_put+0xd8/0x160 [ 1099.702683][ T3603] ? device_add+0x2ea/0x8b0 [ 1099.707274][ T3603] device_add+0x2f8/0x8b0 [ 1099.711661][ T3603] netdev_register_kobject+0xfc/0x230 [ 1099.717031][ T3603] register_netdevice+0x65b/0xb20 [ 1099.722159][ T3603] ip6_tnl_create2+0x87/0x210 [ 1099.726864][ T3603] ip6_tnl_newlink+0x2bf/0x460 [ 1099.731659][ T3603] ? ip6_tnl_validate+0x80/0x80 [ 1099.736543][ T3603] rtnl_newlink+0xee5/0x1670 [ 1099.741133][ T3603] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1099.747463][ T3603] ? _raw_spin_unlock+0x26/0x40 [ 1099.752320][ T3603] ? __mutex_lock+0x21c/0x8d0 [ 1099.756995][ T3603] ? rtnl_setlink+0x300/0x300 [ 1099.761776][ T3603] rtnetlink_rcv_msg+0x807/0x8c0 [ 1099.766721][ T3603] ? __rcu_read_unlock+0x4d/0x70 [ 1099.771774][ T3603] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1099.777168][ T3603] netlink_rcv_skb+0x126/0x220 [ 1099.782017][ T3603] ? rtnetlink_bind+0x60/0x60 [ 1099.786692][ T3603] rtnetlink_rcv+0x1c/0x20 [ 1099.791186][ T3603] netlink_unicast+0x589/0x650 [ 1099.795990][ T3603] netlink_sendmsg+0x66e/0x770 [ 1099.801260][ T3603] ? netlink_getsockopt+0x3e0/0x3e0 [ 1099.806632][ T3603] ____sys_sendmsg+0x37c/0x4d0 [ 1099.811472][ T3603] __sys_sendmsg+0x1e9/0x270 [ 1099.816059][ T3603] __x64_sys_sendmsg+0x46/0x50 [ 1099.820866][ T3603] do_syscall_64+0x44/0x110 [ 1099.825416][ T3603] ? syscall_exit_to_user_mode+0x38/0x140 [ 1099.831132][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1099.837118][ T3603] RIP: 0033:0x7f7033abcae9 [ 1099.841520][ T3603] 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 [ 1099.861138][ T3603] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1099.869551][ T3603] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1099.877515][ T3603] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1099.885474][ T3603] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1099.893443][ T3603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1099.901407][ T3603] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1099.909376][ T3603] 12:35:21 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(0xffffffffffffffff, 0x200000000002006) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) r4 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000003c0)=@bpf_lsm={0x1d, 0x11, &(0x7f0000000280)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x40}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x5}, @ldst={0x1, 0x1, 0x6, 0x3, 0x5, 0xfffffffffffffffe, 0x8}, @map_val={0x18, 0x9, 0x2, 0x0, r1, 0x0, 0x0, 0x0, 0x800}, @jmp={0x5, 0x0, 0x8, 0x4, 0x0, 0xfffffffffffffffe, 0xfffffffffffffffc}, @map_fd={0x18, 0x2, 0x1, 0x0, r3}, @btf_id={0x18, 0x8, 0x3, 0x0, 0x5}, @ldst={0x1, 0x3, 0x0, 0x8, 0x3, 0x2}, @call={0x85, 0x0, 0x0, 0x7d}, @cb_func={0x18, 0x6, 0x4, 0x0, 0x6}]}, &(0x7f0000000000)='syzkaller\x00', 0x29, 0x0, 0x0, 0x41100, 0x20, '\x00', 0x0, 0x1b, r3, 0x8, &(0x7f00000000c0)={0x6, 0x1}, 0x8, 0x10, &(0x7f0000000100)={0x4, 0x5, 0x0, 0x80000001}, 0x10, 0xffffffffffffffff, 0x0, 0x1, &(0x7f0000000340)=[r0, r0, r3, r3, r2, 0x1, r0], &(0x7f0000000380)=[{0x2, 0x5, 0x3, 0x7}], 0x10, 0x10001}, 0x90) write$binfmt_misc(r4, &(0x7f0000000600)={'syz1', "e8bb38ee11bf61f3cdeced5a21741fd81c51e31b74aeea130489e306874562c64209560d008cabd57970b519448235cbefc9190ea69760cb15aaf83c02c65472725609705643dd2b0f1f40cc92782de82e1a70b598a8caae522a84ecb71fde011d131224a4b16d2d68121c001f0c1b816b997363610ec4d85120fcfa3326ec240c0b788b7ee9cb8ae473b1562e0e8cc0c6a5db5f19af704d22254d6ae3f41da0e9e6c29aaa6bdb383d755e45343e1a917999d38900722f6aff59b09908adc2d86d02b0f3d8ba8c4b802c82351fb774975cbb1304c2b0a1196ee9c9211a6afab41f70a0c6ad08b795925d3de118b31c822dbe77827952"}, 0xfa) 12:35:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x1bc, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1099.912551][ T3603] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1099.937452][ T3614] loop3: detected capacity change from 0 to 512 [ 1099.957789][ T3618] loop4: detected capacity change from 0 to 512 [ 1099.964532][ T3616] loop2: detected capacity change from 0 to 512 [ 1099.976745][ T3610] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1099.985933][ T3610] CPU: 1 PID: 3610 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1099.986628][ T3614] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1099.995963][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1099.995977][ T3610] Call Trace: [ 1099.995983][ T3610] [ 1099.995990][ T3610] dump_stack_lvl+0xda/0x130 [ 1099.996016][ T3610] dump_stack+0x15/0x20 [ 1100.008703][ T3614] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1479/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1100.018538][ T3610] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1100.018570][ T3610] kobject_add_internal+0x3eb/0x730 [ 1100.030625][ T3618] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1100.033456][ T3610] kobject_add+0xdc/0x150 [ 1100.048396][ T3618] ext4 filesystem being mounted at /root/syzkaller-testdir2969879800/syzkaller.oRamu3/1449/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1100.053409][ T3610] ? kobject_get+0x95/0xc0 [ 1100.053432][ T3610] ? kobject_put+0xd8/0x160 [ 1100.065945][ T3616] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1100.070983][ T3610] ? device_add+0x2ea/0x8b0 [ 1100.075800][ T3616] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1489/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1100.090121][ T3610] device_add+0x2f8/0x8b0 [ 1100.090154][ T3610] netdev_register_kobject+0xfc/0x230 [ 1100.098844][ T3628] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=39 sclass=netlink_route_socket pid=3628 comm=syz-executor.4 [ 1100.099038][ T3610] register_netdevice+0x65b/0xb20 [ 1100.117746][ T3618] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=39 sclass=netlink_route_socket pid=3618 comm=syz-executor.4 [ 1100.130800][ T3610] ip6_tnl_create2+0x87/0x210 [ 1100.175771][ T3610] ip6_tnl_newlink+0x2bf/0x460 [ 1100.180530][ T3610] ? ip6_tnl_validate+0x80/0x80 [ 1100.185387][ T3610] rtnl_newlink+0xee5/0x1670 [ 1100.190053][ T3610] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1100.195361][ T3610] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1100.200678][ T3632] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3632 comm=syz-executor.2 [ 1100.201581][ T3610] ? _raw_spin_unlock+0x26/0x40 [ 1100.201613][ T3610] ? __mutex_lock+0x21c/0x8d0 [ 1100.201633][ T3610] ? rtnl_setlink+0x300/0x300 [ 1100.228512][ T3610] rtnetlink_rcv_msg+0x807/0x8c0 [ 1100.233482][ T3610] ? kmem_cache_free+0x1d9/0x380 [ 1100.238492][ T3610] ? __kfree_skb+0x104/0x140 [ 1100.243070][ T3610] ? nlmon_xmit+0x4b/0x60 [ 1100.247380][ T3610] ? __kfree_skb+0x104/0x140 [ 1100.251964][ T3610] ? consume_skb+0x57/0x180 [ 1100.256527][ T3610] ? nlmon_xmit+0x4b/0x60 [ 1100.260840][ T3610] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1100.266140][ T3610] ? __dev_queue_xmit+0xaae/0x1d80 [ 1100.271256][ T3610] ? ref_tracker_free+0x3a1/0x400 [ 1100.276424][ T3610] netlink_rcv_skb+0x126/0x220 [ 1100.281181][ T3610] ? rtnetlink_bind+0x60/0x60 [ 1100.285854][ T3610] rtnetlink_rcv+0x1c/0x20 [ 1100.290338][ T3610] netlink_unicast+0x589/0x650 [ 1100.295105][ T3610] netlink_sendmsg+0x66e/0x770 [ 1100.299885][ T3610] ? netlink_getsockopt+0x3e0/0x3e0 [ 1100.305098][ T3610] ____sys_sendmsg+0x37c/0x4d0 [ 1100.309851][ T3610] __sys_sendmsg+0x1e9/0x270 [ 1100.314437][ T3610] ? wake_up_q+0x3f/0x70 [ 1100.318712][ T3610] __x64_sys_sendmsg+0x46/0x50 [ 1100.323543][ T3610] do_syscall_64+0x44/0x110 [ 1100.328031][ T3610] ? syscall_exit_to_user_mode+0x38/0x140 [ 1100.333767][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1100.339697][ T3610] RIP: 0033:0x7fd903c48ae9 [ 1100.344138][ T3610] 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 [ 1100.363799][ T3610] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1100.372290][ T3610] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1100.380260][ T3610] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1100.388265][ T3610] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1100.396219][ T3610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1100.404199][ T3610] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1100.412215][ T3610] 12:35:22 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(0xffffffffffffffff, 0x200000000002006) (async) lseek(r1, 0x20400, 0x0) (async) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) r4 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000003c0)=@bpf_lsm={0x1d, 0x11, &(0x7f0000000280)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x40}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x5}, @ldst={0x1, 0x1, 0x6, 0x3, 0x5, 0xfffffffffffffffe, 0x8}, @map_val={0x18, 0x9, 0x2, 0x0, r1, 0x0, 0x0, 0x0, 0x800}, @jmp={0x5, 0x0, 0x8, 0x4, 0x0, 0xfffffffffffffffe, 0xfffffffffffffffc}, @map_fd={0x18, 0x2, 0x1, 0x0, r3}, @btf_id={0x18, 0x8, 0x3, 0x0, 0x5}, @ldst={0x1, 0x3, 0x0, 0x8, 0x3, 0x2}, @call={0x85, 0x0, 0x0, 0x7d}, @cb_func={0x18, 0x6, 0x4, 0x0, 0x6}]}, &(0x7f0000000000)='syzkaller\x00', 0x29, 0x0, 0x0, 0x41100, 0x20, '\x00', 0x0, 0x1b, r3, 0x8, &(0x7f00000000c0)={0x6, 0x1}, 0x8, 0x10, &(0x7f0000000100)={0x4, 0x5, 0x0, 0x80000001}, 0x10, 0xffffffffffffffff, 0x0, 0x1, &(0x7f0000000340)=[r0, r0, r3, r3, r2, 0x1, r0], &(0x7f0000000380)=[{0x2, 0x5, 0x3, 0x7}], 0x10, 0x10001}, 0x90) write$binfmt_misc(r4, &(0x7f0000000600)={'syz1', "e8bb38ee11bf61f3cdeced5a21741fd81c51e31b74aeea130489e306874562c64209560d008cabd57970b519448235cbefc9190ea69760cb15aaf83c02c65472725609705643dd2b0f1f40cc92782de82e1a70b598a8caae522a84ecb71fde011d131224a4b16d2d68121c001f0c1b816b997363610ec4d85120fcfa3326ec240c0b788b7ee9cb8ae473b1562e0e8cc0c6a5db5f19af704d22254d6ae3f41da0e9e6c29aaa6bdb383d755e45343e1a917999d38900722f6aff59b09908adc2d86d02b0f3d8ba8c4b802c82351fb774975cbb1304c2b0a1196ee9c9211a6afab41f70a0c6ad08b795925d3de118b31c822dbe77827952"}, 0xfa) 12:35:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3de, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) 12:35:22 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket(0x10, 0x803, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f0000000580)=""/143, 0x40f00, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1000000}, 0x90) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f0000000580)=""/143, 0x40f00, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1000000}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x40}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x9, &(0x7f0000000040)=""/9, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x80000, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x0, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) ioctl$FS_IOC_GETFLAGS(r5, 0x80086601, &(0x7f0000000300)) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) 12:35:22 executing program 4: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) (async) creat(&(0x7f0000000580)='./bus\x00', 0x0) (async) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$BPF_MAP_LOOKUP_AND_DELETE_BATCH(0x19, &(0x7f0000000540)={&(0x7f0000000340)="58cb541e4aa59a4725ca125e1c064f11da2a1171f569e51631be5bddc5d8a2d02e05a29e29d0fa02abfff08a9be1b4450039c8b45b4fcb0b0dbad40db36a6e6c36cdd78f23", &(0x7f00000003c0)=""/166, &(0x7f0000002080)="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", &(0x7f0000000480)="be23f39d6fb3f91e3d0edb46398132c0158ce9ff628e44f767e53655dbc5", 0x4, r0, 0x4}, 0x38) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) (async) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$IPVS_CMD_NEW_DAEMON(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000007c0)=ANY=[@ANYBLOB="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", @ANYRES16=r3, @ANYBLOB="0100000000000000000009000000300003801400020076657468310000000000000000000000080003000000000008000500ac1414aa0800010000000000"], 0x44}}, 0x0) (async) sendmsg$IPVS_CMD_NEW_DEST(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x90, r3, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x80000001}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0xfa}]}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2f}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}]}, 0x90}, 0x1, 0x0, 0x0, 0xc890}, 0x4) (async) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000780)={&(0x7f0000000740)='xprt_reserve\x00', r0}, 0x10) open(0x0, 0x0, 0x0) (async) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r5 = creat(&(0x7f0000000640)='./file0\x00', 0x0) ftruncate(r5, 0x800) (async) r6 = creat(&(0x7f0000000600)='./bus\x00', 0x100) lseek(r4, 0x20400, 0x0) (async) lseek(0xffffffffffffffff, 0x5, 0x0) (async) getsockopt$inet_mptcp_buf(r6, 0x11c, 0x1, &(0x7f0000000680)=""/164, &(0x7f0000000940)=0xa4) r7 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r7, 0x0, 0x80001d00c0d0) 12:35:22 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) r1 = syz_open_dev$ptys(0xc, 0x3, 0x1) write$binfmt_script(r1, &(0x7f0000000000)=ANY=[@ANYBLOB="2321202e2fcf2c6925e3b3db360920657b2065787434d8d900"], 0x22) (async, rerun: 32) r2 = socket$netlink(0x10, 0x3, 0x0) (rerun: 32) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) (async) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x20) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000300), r3) sendmsg$DEVLINK_CMD_SB_OCC_SNAPSHOT(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000600)={0xf8, r4, 0x10, 0x70bd27, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x401}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xa81}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4d}}]}, 0xf8}, 0x1, 0x0, 0x0, 0x200c0094}, 0x10000004) (async, rerun: 64) r5 = open(&(0x7f0000000580)='./file0\x00', 0x0, 0x0) (rerun: 64) getdents(r5, &(0x7f0000001fc0)=""/184, 0xb8) (async) openat$cgroup_ro(r3, &(0x7f0000000340)='blkio.bfq.io_wait_time_recursive\x00', 0x0, 0x0) (async, rerun: 64) r6 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async, rerun: 64) r7 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r8 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r9 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r9, 0x800) (async, rerun: 32) lseek(r8, 0x20400, 0x0) (rerun: 32) r10 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r8, r10, 0x0, 0x80001d00c0d0) (async) creat(&(0x7f0000000280)='./file0\x00', 0x21) (async) ioctl$EXT4_IOC_MIGRATE(r6, 0x6609) sendmsg$NFQNL_MSG_VERDICT_BATCH(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, 0x3, 0x3, 0x801, 0x0, 0x0, {0x5, 0x0, 0x8}, [@NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffd}}, @NFQA_MARK={0x8, 0x3, 0x1, 0x0, 0x3}, @NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffc, 0x7}}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000040}, 0x20000000) open(&(0x7f0000000540)='./file0\x00', 0x80, 0x20) [ 1100.415338][ T3610] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1100.446079][ T3622] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1100.455265][ T3622] CPU: 1 PID: 3622 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1100.465243][ T3622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1100.475286][ T3622] Call Trace: [ 1100.478552][ T3622] [ 1100.481510][ T3622] dump_stack_lvl+0xda/0x130 [ 1100.486149][ T3622] dump_stack+0x15/0x20 [ 1100.490329][ T3622] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1100.495422][ T3622] kobject_add_internal+0x3eb/0x730 [ 1100.500635][ T3622] kobject_add+0xdc/0x150 [ 1100.504955][ T3622] ? kobject_get+0x95/0xc0 [ 1100.509421][ T3622] ? kobject_put+0xd8/0x160 [ 1100.513969][ T3622] ? device_add+0x2ea/0x8b0 [ 1100.518541][ T3622] device_add+0x2f8/0x8b0 [ 1100.522870][ T3622] netdev_register_kobject+0xfc/0x230 [ 1100.528272][ T3622] register_netdevice+0x65b/0xb20 [ 1100.533310][ T3622] ip6_tnl_create2+0x87/0x210 [ 1100.537980][ T3622] ip6_tnl_newlink+0x2bf/0x460 [ 1100.542758][ T3622] ? ip6_tnl_validate+0x80/0x80 [ 1100.547632][ T3622] rtnl_newlink+0xee5/0x1670 [ 1100.552204][ T3622] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1100.557488][ T3622] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1100.563815][ T3622] ? _raw_spin_unlock+0x26/0x40 [ 1100.568663][ T3622] ? __mutex_lock+0x21c/0x8d0 [ 1100.573349][ T3622] ? rtnl_setlink+0x300/0x300 [ 1100.578014][ T3622] rtnetlink_rcv_msg+0x807/0x8c0 [ 1100.582959][ T3622] ? __rcu_read_unlock+0x4d/0x70 [ 1100.587880][ T3622] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1100.593287][ T3622] netlink_rcv_skb+0x126/0x220 [ 1100.598037][ T3622] ? rtnetlink_bind+0x60/0x60 [ 1100.602814][ T3622] rtnetlink_rcv+0x1c/0x20 [ 1100.607220][ T3622] netlink_unicast+0x589/0x650 [ 1100.612007][ T3622] netlink_sendmsg+0x66e/0x770 [ 1100.616767][ T3622] ? netlink_getsockopt+0x3e0/0x3e0 [ 1100.621950][ T3622] ____sys_sendmsg+0x37c/0x4d0 [ 1100.626702][ T3622] __sys_sendmsg+0x1e9/0x270 [ 1100.631359][ T3622] __x64_sys_sendmsg+0x46/0x50 [ 1100.636104][ T3622] do_syscall_64+0x44/0x110 [ 1100.640613][ T3622] ? syscall_exit_to_user_mode+0x38/0x140 [ 1100.646346][ T3622] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1100.652257][ T3622] RIP: 0033:0x7f7033abcae9 [ 1100.656720][ T3622] 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 [ 1100.676310][ T3622] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1100.684729][ T3622] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1100.692728][ T3622] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1100.700685][ T3622] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1100.708648][ T3622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1100.716687][ T3622] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1100.724666][ T3622] [ 1100.727901][ T3622] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1100.728629][ T3115] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1100.747352][ T3640] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1100.752512][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1100.760548][ T3640] CPU: 1 PID: 3640 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1100.770652][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1100.779464][ T3640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1100.779477][ T3640] Call Trace: [ 1100.779484][ T3640] [ 1100.779490][ T3640] dump_stack_lvl+0xda/0x130 [ 1100.809209][ T3640] dump_stack+0x15/0x20 [ 1100.813353][ T3640] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1100.818527][ T3640] kobject_add_internal+0x3eb/0x730 [ 1100.823715][ T3640] kobject_add+0xdc/0x150 [ 1100.828032][ T3640] ? kobject_get+0x95/0xc0 [ 1100.832484][ T3640] ? kobject_put+0xd8/0x160 [ 1100.836974][ T3640] ? device_add+0x2ea/0x8b0 [ 1100.841557][ T3640] device_add+0x2f8/0x8b0 [ 1100.845898][ T3640] netdev_register_kobject+0xfc/0x230 [ 1100.851266][ T3640] register_netdevice+0x65b/0xb20 [ 1100.856288][ T3640] ip6_tnl_create2+0x87/0x210 [ 1100.861013][ T3640] ip6_tnl_newlink+0x2bf/0x460 [ 1100.865784][ T3640] ? ip6_tnl_validate+0x80/0x80 [ 1100.870630][ T3640] rtnl_newlink+0xee5/0x1670 [ 1100.875218][ T3640] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1100.880549][ T3640] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1100.886826][ T3640] ? _raw_spin_unlock+0x26/0x40 [ 1100.891675][ T3640] ? __mutex_lock+0x21c/0x8d0 [ 1100.896383][ T3640] ? rtnl_setlink+0x300/0x300 [ 1100.901100][ T3640] rtnetlink_rcv_msg+0x807/0x8c0 [ 1100.906039][ T3640] ? kmem_cache_free+0x1d9/0x380 [ 1100.911067][ T3640] ? __kfree_skb+0x104/0x140 [ 1100.915711][ T3640] ? nlmon_xmit+0x4b/0x60 [ 1100.920066][ T3640] ? __kfree_skb+0x104/0x140 [ 1100.924651][ T3640] ? consume_skb+0x57/0x180 [ 1100.929216][ T3640] ? nlmon_xmit+0x4b/0x60 [ 1100.933534][ T3640] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1100.938825][ T3640] ? __dev_queue_xmit+0xaae/0x1d80 [ 1100.943926][ T3640] ? ref_tracker_free+0x3a1/0x400 [ 1100.948990][ T3640] netlink_rcv_skb+0x126/0x220 [ 1100.953756][ T3640] ? rtnetlink_bind+0x60/0x60 [ 1100.958509][ T3640] rtnetlink_rcv+0x1c/0x20 [ 1100.963033][ T3640] netlink_unicast+0x589/0x650 [ 1100.967792][ T3640] netlink_sendmsg+0x66e/0x770 [ 1100.972558][ T3640] ? netlink_getsockopt+0x3e0/0x3e0 [ 1100.977751][ T3640] ____sys_sendmsg+0x37c/0x4d0 [ 1100.982503][ T3640] __sys_sendmsg+0x1e9/0x270 [ 1100.987084][ T3640] __x64_sys_sendmsg+0x46/0x50 [ 1100.991837][ T3640] do_syscall_64+0x44/0x110 [ 1100.996329][ T3640] ? syscall_exit_to_user_mode+0x38/0x140 [ 1101.002042][ T3640] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1101.007931][ T3640] RIP: 0033:0x7fd903c48ae9 [ 1101.012330][ T3640] 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 [ 1101.031999][ T3640] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1101.040401][ T3640] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1101.048362][ T3640] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1101.056339][ T3640] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:35:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x1c2, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1101.064298][ T3640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1101.072257][ T3640] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1101.080296][ T3640] [ 1101.083514][ T3640] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1101.099353][ T3643] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1101.108564][ T3643] CPU: 1 PID: 3643 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 12:35:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3ea, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1101.118540][ T3643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1101.128597][ T3643] Call Trace: [ 1101.131877][ T3643] [ 1101.134806][ T3643] dump_stack_lvl+0xda/0x130 [ 1101.139483][ T3643] dump_stack+0x15/0x20 [ 1101.143643][ T3643] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1101.148765][ T3643] kobject_add_internal+0x3eb/0x730 [ 1101.153967][ T3643] kobject_add+0xdc/0x150 [ 1101.158296][ T3643] ? kobject_get+0x95/0xc0 [ 1101.162712][ T3643] ? kobject_put+0xd8/0x160 [ 1101.167332][ T3643] ? device_add+0x2ea/0x8b0 [ 1101.171844][ T3643] device_add+0x2f8/0x8b0 [ 1101.176197][ T3643] netdev_register_kobject+0xfc/0x230 [ 1101.181620][ T3643] register_netdevice+0x65b/0xb20 [ 1101.183852][ T3649] loop2: detected capacity change from 0 to 512 [ 1101.186645][ T3643] ip6_tnl_create2+0x87/0x210 [ 1101.186667][ T3643] ip6_tnl_newlink+0x2bf/0x460 [ 1101.201563][ T3655] loop4: detected capacity change from 0 to 512 [ 1101.202261][ T3643] ? ip6_tnl_validate+0x80/0x80 [ 1101.213359][ T3643] rtnl_newlink+0xee5/0x1670 12:35:22 executing program 4: r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) open(0x0, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) sendfile(r3, r4, &(0x7f0000000000)=0x2, 0x7) fsetxattr$trusted_overlay_opaque(r1, &(0x7f0000000100), &(0x7f0000000140), 0x2, 0x2) [ 1101.213613][ T3655] EXT4-fs warning (device loop4): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop4. [ 1101.217952][ T3643] ? cgroup_rstat_updated+0x8c/0x1c0 [ 1101.217995][ T3643] ? rtnl_newlink+0x2b1/0x1670 [ 1101.218023][ T3643] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1101.245613][ T3643] ? _raw_spin_unlock+0x26/0x40 [ 1101.248521][ T3659] loop3: detected capacity change from 0 to 512 [ 1101.250552][ T3643] ? __mutex_lock+0x21c/0x8d0 [ 1101.250576][ T3643] ? rtnl_setlink+0x300/0x300 [ 1101.260775][ T3649] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1101.261437][ T3643] rtnetlink_rcv_msg+0x807/0x8c0 [ 1101.268345][ T3649] ext4 filesystem being mounted at /root/syzkaller-testdir2398104487/syzkaller.G4Yeoy/1490/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1101.278557][ T3643] ? kmem_cache_free+0x1d9/0x380 [ 1101.292915][ T3659] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 1101.298305][ T3643] ? __kfree_skb+0x104/0x140 [ 1101.298334][ T3643] ? nlmon_xmit+0x4b/0x60 [ 1101.303339][ T3659] ext4 filesystem being mounted at /root/syzkaller-testdir1005007451/syzkaller.4BbbQl/1480/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 1101.315616][ T3643] ? __kfree_skb+0x104/0x140 [ 1101.315643][ T3643] ? consume_skb+0x57/0x180 [ 1101.338347][ T3671] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3671 comm=syz-executor.2 [ 1101.339320][ T3643] ? nlmon_xmit+0x4b/0x60 [ 1101.339342][ T3643] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1101.346144][ T3671] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3671 comm=syz-executor.2 [ 1101.348391][ T3643] ? __dev_queue_xmit+0xaae/0x1d80 [ 1101.361360][ T3671] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3671 comm=syz-executor.2 [ 1101.365327][ T3643] ? ref_tracker_free+0x3a1/0x400 [ 1101.370744][ T3671] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3671 comm=syz-executor.2 [ 1101.383236][ T3643] netlink_rcv_skb+0x126/0x220 [ 1101.383265][ T3643] ? rtnetlink_bind+0x60/0x60 [ 1101.383295][ T3643] rtnetlink_rcv+0x1c/0x20 [ 1101.390095][ T3671] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3671 comm=syz-executor.2 [ 1101.401006][ T3643] netlink_unicast+0x589/0x650 [ 1101.401035][ T3643] netlink_sendmsg+0x66e/0x770 [ 1101.406295][ T3671] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3671 comm=syz-executor.2 [ 1101.418670][ T3643] ? netlink_getsockopt+0x3e0/0x3e0 [ 1101.418700][ T3643] ____sys_sendmsg+0x37c/0x4d0 [ 1101.477472][ T3643] __sys_sendmsg+0x1e9/0x270 [ 1101.482075][ T3643] __x64_sys_sendmsg+0x46/0x50 [ 1101.486853][ T3643] do_syscall_64+0x44/0x110 [ 1101.491335][ T3643] ? syscall_exit_to_user_mode+0x38/0x140 [ 1101.497074][ T3643] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1101.503022][ T3643] RIP: 0033:0x7f7bcc9aeae9 [ 1101.507451][ T3643] 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 [ 1101.527056][ T3643] RSP: 002b:00007f7bcbd100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1101.535475][ T3643] RAX: ffffffffffffffda RBX: 00007f7bccace050 RCX: 00007f7bcc9aeae9 [ 1101.543426][ T3643] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1101.551445][ T3643] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1101.559393][ T3643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 12:35:23 executing program 3: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) ftruncate(0xffffffffffffffff, 0x200000000002006) lseek(r1, 0x20400, 0x0) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) r4 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000003c0)=@bpf_lsm={0x1d, 0x11, &(0x7f0000000280)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x40}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x5}, @ldst={0x1, 0x1, 0x6, 0x3, 0x5, 0xfffffffffffffffe, 0x8}, @map_val={0x18, 0x9, 0x2, 0x0, r1, 0x0, 0x0, 0x0, 0x800}, @jmp={0x5, 0x0, 0x8, 0x4, 0x0, 0xfffffffffffffffe, 0xfffffffffffffffc}, @map_fd={0x18, 0x2, 0x1, 0x0, r3}, @btf_id={0x18, 0x8, 0x3, 0x0, 0x5}, @ldst={0x1, 0x3, 0x0, 0x8, 0x3, 0x2}, @call={0x85, 0x0, 0x0, 0x7d}, @cb_func={0x18, 0x6, 0x4, 0x0, 0x6}]}, &(0x7f0000000000)='syzkaller\x00', 0x29, 0x0, 0x0, 0x41100, 0x20, '\x00', 0x0, 0x1b, r3, 0x8, &(0x7f00000000c0)={0x6, 0x1}, 0x8, 0x10, &(0x7f0000000100)={0x4, 0x5, 0x0, 0x80000001}, 0x10, 0xffffffffffffffff, 0x0, 0x1, &(0x7f0000000340)=[r0, r0, r3, r3, r2, 0x1, r0], &(0x7f0000000380)=[{0x2, 0x5, 0x3, 0x7}], 0x10, 0x10001}, 0x90) write$binfmt_misc(r4, &(0x7f0000000600)={'syz1', "e8bb38ee11bf61f3cdeced5a21741fd81c51e31b74aeea130489e306874562c64209560d008cabd57970b519448235cbefc9190ea69760cb15aaf83c02c65472725609705643dd2b0f1f40cc92782de82e1a70b598a8caae522a84ecb71fde011d131224a4b16d2d68121c001f0c1b816b997363610ec4d85120fcfa3326ec240c0b788b7ee9cb8ae473b1562e0e8cc0c6a5db5f19af704d22254d6ae3f41da0e9e6c29aaa6bdb383d755e45343e1a917999d38900722f6aff59b09908adc2d86d02b0f3d8ba8c4b802c82351fb774975cbb1304c2b0a1196ee9c9211a6afab41f70a0c6ad08b795925d3de118b31c822dbe77827952"}, 0xfa) 12:35:23 executing program 2: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="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"], 0x1, 0x4e2, &(0x7f0000000b80)="$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") (async) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) r1 = syz_open_dev$ptys(0xc, 0x3, 0x1) write$binfmt_script(r1, &(0x7f0000000000)=ANY=[@ANYBLOB="2321202e2fcf2c6925e3b3db360920657b2065787434d8d900"], 0x22) (async) r2 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000040)=0x19, 0x4) (async) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000000)=0x1f, 0x4) (async) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x20) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000300), r3) sendmsg$DEVLINK_CMD_SB_OCC_SNAPSHOT(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000600)={0xf8, r4, 0x10, 0x70bd27, 0x25dfdbfd, {}, [{@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x401}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x1}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x7}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xa81}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x4d}}]}, 0xf8}, 0x1, 0x0, 0x0, 0x200c0094}, 0x10000004) r5 = open(&(0x7f0000000580)='./file0\x00', 0x0, 0x0) getdents(r5, &(0x7f0000001fc0)=""/184, 0xb8) openat$cgroup_ro(r3, &(0x7f0000000340)='blkio.bfq.io_wait_time_recursive\x00', 0x0, 0x0) (async) r6 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r7 = creat(&(0x7f0000000100)='./bus\x00', 0x0) (async) r8 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r9 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r9, 0x800) lseek(r8, 0x20400, 0x0) r10 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r8, r10, 0x0, 0x80001d00c0d0) (async) creat(&(0x7f0000000280)='./file0\x00', 0x21) (async) ioctl$EXT4_IOC_MIGRATE(r6, 0x6609) sendmsg$NFQNL_MSG_VERDICT_BATCH(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, 0x3, 0x3, 0x801, 0x0, 0x0, {0x5, 0x0, 0x8}, [@NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffd}}, @NFQA_MARK={0x8, 0x3, 0x1, 0x0, 0x3}, @NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffc, 0x7}}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000040}, 0x20000000) (async) open(&(0x7f0000000540)='./file0\x00', 0x80, 0x20) [ 1101.567403][ T3643] R13: 000000000000006e R14: 00007f7bccace050 R15: 00007ffcd1f66038 [ 1101.575363][ T3643] [ 1101.578450][ T3643] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1101.594215][ T3126] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1101.594640][ T3644] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1101.612281][ T3644] CPU: 1 PID: 3644 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1101.622250][ T3644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1101.632341][ T3644] Call Trace: [ 1101.635608][ T3644] [ 1101.638520][ T3644] dump_stack_lvl+0xda/0x130 [ 1101.643143][ T3644] dump_stack+0x15/0x20 [ 1101.647302][ T3644] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1101.652471][ T3644] kobject_add_internal+0x3eb/0x730 [ 1101.657647][ T3644] kobject_add+0xdc/0x150 [ 1101.661955][ T3644] ? kobject_get+0x95/0xc0 [ 1101.666347][ T3644] ? kobject_put+0xd8/0x160 [ 1101.670834][ T3644] ? device_add+0x2ea/0x8b0 [ 1101.675364][ T3644] device_add+0x2f8/0x8b0 [ 1101.679676][ T3644] netdev_register_kobject+0xfc/0x230 [ 1101.685057][ T3644] register_netdevice+0x65b/0xb20 [ 1101.690139][ T3644] ip6_tnl_create2+0x87/0x210 [ 1101.694792][ T3644] ip6_tnl_newlink+0x2bf/0x460 [ 1101.699578][ T3644] ? ip6_tnl_validate+0x80/0x80 [ 1101.704465][ T3644] rtnl_newlink+0xee5/0x1670 [ 1101.709060][ T3644] ? rcu_segcblist_enqueue+0x92/0xa0 [ 1101.714343][ T3644] ? rtnl_newlink+0x2b1/0x1670 [ 1101.719136][ T3644] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1101.725360][ T3644] ? _raw_spin_unlock+0x26/0x40 [ 1101.730194][ T3644] ? __mutex_lock+0x21c/0x8d0 [ 1101.734849][ T3644] ? rtnl_setlink+0x300/0x300 [ 1101.739525][ T3644] rtnetlink_rcv_msg+0x807/0x8c0 [ 1101.744489][ T3644] ? kmem_cache_free+0x1d9/0x380 [ 1101.749448][ T3644] ? __kfree_skb+0x104/0x140 [ 1101.754114][ T3644] ? nlmon_xmit+0x4b/0x60 [ 1101.758503][ T3644] ? __kfree_skb+0x104/0x140 [ 1101.763083][ T3644] ? consume_skb+0x57/0x180 [ 1101.767609][ T3644] ? nlmon_xmit+0x4b/0x60 [ 1101.771955][ T3644] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1101.777261][ T3644] ? __dev_queue_xmit+0xaae/0x1d80 [ 1101.782455][ T3644] ? ref_tracker_free+0x3a1/0x400 [ 1101.787473][ T3644] netlink_rcv_skb+0x126/0x220 [ 1101.792266][ T3644] ? rtnetlink_bind+0x60/0x60 [ 1101.796967][ T3644] rtnetlink_rcv+0x1c/0x20 [ 1101.801397][ T3644] netlink_unicast+0x589/0x650 [ 1101.806216][ T3644] netlink_sendmsg+0x66e/0x770 [ 1101.811004][ T3644] ? netlink_getsockopt+0x3e0/0x3e0 [ 1101.816264][ T3644] ____sys_sendmsg+0x37c/0x4d0 [ 1101.821078][ T3644] __sys_sendmsg+0x1e9/0x270 [ 1101.825720][ T3644] __x64_sys_sendmsg+0x46/0x50 [ 1101.830466][ T3644] do_syscall_64+0x44/0x110 [ 1101.835031][ T3644] ? syscall_exit_to_user_mode+0x38/0x140 [ 1101.840774][ T3644] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1101.846720][ T3644] RIP: 0033:0x7f7bcc9aeae9 [ 1101.851119][ T3644] 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 [ 1101.870781][ T3644] RSP: 002b:00007f7bcbcef0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1101.879170][ T3644] RAX: ffffffffffffffda RBX: 00007f7bccace120 RCX: 00007f7bcc9aeae9 [ 1101.887121][ T3644] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 1101.895167][ T3644] RBP: 00007f7bcc9fa47a R08: 0000000000000000 R09: 0000000000000000 [ 1101.903225][ T3644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1101.911176][ T3644] R13: 000000000000006e R14: 00007f7bccace120 R15: 00007ffcd1f66038 [ 1101.919167][ T3644] 12:35:23 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async) r1 = socket$nl_route(0x10, 0x3, 0x0) (async) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) (async) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) (async) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) (async) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) (async) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f0000000580)=""/143, 0x40f00, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1000000}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) (async) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f00000003c0)=@raw=[@func={0x85, 0x0, 0x1, 0x0, 0x5}, @alu={0x7, 0x0, 0x0, 0x9, 0x5, 0x4, 0xfffffffffffffff0}, @map_idx_val={0x18, 0x6, 0x6, 0x0, 0x2, 0x0, 0x0, 0x0, 0x40}, @initr0={0x18, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x40}, @cb_func={0x18, 0x7, 0x4, 0x0, 0xfffffffffffffffc}, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffe}], &(0x7f0000000440)='GPL\x00', 0x5, 0x9, &(0x7f0000000040)=""/9, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x80000, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x0, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) ioctl$FS_IOC_GETFLAGS(r5, 0x80086601, &(0x7f0000000300)) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) [ 1101.922283][ T3644] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1101.923272][ T3108] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 1101.950135][ T3651] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1101.959288][ T3651] CPU: 0 PID: 3651 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1101.960388][T30579] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1101.969254][ T3651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1101.969267][ T3651] Call Trace: [ 1101.969274][ T3651] [ 1101.969280][ T3651] dump_stack_lvl+0xda/0x130 [ 1101.969303][ T3651] dump_stack+0x15/0x20 [ 1101.969320][ T3651] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1102.008960][ T3651] kobject_add_internal+0x3eb/0x730 [ 1102.014171][ T3651] kobject_add+0xdc/0x150 [ 1102.018581][ T3651] ? kobject_get+0x95/0xc0 [ 1102.020238][ T3684] loop3: detected capacity change from 0 to 512 [ 1102.022994][ T3651] ? kobject_put+0xd8/0x160 [ 1102.023018][ T3651] ? device_add+0x2ea/0x8b0 [ 1102.038253][ T3651] device_add+0x2f8/0x8b0 [ 1102.042599][ T3651] netdev_register_kobject+0xfc/0x230 [ 1102.048017][ T3651] register_netdevice+0x65b/0xb20 [ 1102.053133][ T3651] ip6_tnl_create2+0x87/0x210 [ 1102.054317][ T3691] loop2: detected capacity change from 0 to 512 [ 1102.057862][ T3651] ip6_tnl_newlink+0x2bf/0x460 [ 1102.066044][ T3684] workqueue: Failed to create a rescuer kthread for wq "ext4-rsv-conversion": -EINTR [ 1102.068850][ T3651] ? ip6_tnl_validate+0x80/0x80 [ 1102.068883][ T3651] rtnl_newlink+0xee5/0x1670 [ 1102.079064][ T3684] EXT4-fs: failed to create workqueue [ 1102.083182][ T3651] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1102.087784][ T3684] EXT4-fs (loop3): mount failed [ 1102.093100][ T3651] ? _raw_spin_unlock+0x26/0x40 [ 1102.101970][ T3691] EXT4-fs warning (device loop2): ext4_multi_mount_protect:398: Unable to create kmmpd thread for loop2. [ 1102.104142][ T3651] ? __mutex_lock+0x21c/0x8d0 [ 1102.104167][ T3651] ? rtnl_setlink+0x300/0x300 [ 1102.104196][ T3651] rtnetlink_rcv_msg+0x807/0x8c0 [ 1102.134482][ T3651] ? kmem_cache_free+0x1d9/0x380 [ 1102.139405][ T3651] ? __kfree_skb+0x104/0x140 [ 1102.144099][ T3651] ? nlmon_xmit+0x4b/0x60 [ 1102.148427][ T3651] ? __kfree_skb+0x104/0x140 [ 1102.153098][ T3651] ? consume_skb+0x57/0x180 [ 1102.157588][ T3651] ? nlmon_xmit+0x4b/0x60 [ 1102.161958][ T3651] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1102.167230][ T3651] ? __dev_queue_xmit+0xaae/0x1d80 [ 1102.172378][ T3651] ? ref_tracker_free+0x3a1/0x400 [ 1102.177445][ T3651] netlink_rcv_skb+0x126/0x220 [ 1102.182205][ T3651] ? rtnetlink_bind+0x60/0x60 [ 1102.186886][ T3651] rtnetlink_rcv+0x1c/0x20 [ 1102.191286][ T3651] netlink_unicast+0x589/0x650 [ 1102.196049][ T3651] netlink_sendmsg+0x66e/0x770 [ 1102.200971][ T3651] ? netlink_getsockopt+0x3e0/0x3e0 [ 1102.206165][ T3651] ____sys_sendmsg+0x37c/0x4d0 [ 1102.210912][ T3651] __sys_sendmsg+0x1e9/0x270 [ 1102.215480][ T3651] ? wake_up_q+0x3f/0x70 [ 1102.219710][ T3651] __x64_sys_sendmsg+0x46/0x50 [ 1102.224507][ T3651] do_syscall_64+0x44/0x110 [ 1102.229036][ T3651] ? syscall_exit_to_user_mode+0x38/0x140 [ 1102.234783][ T3651] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1102.240679][ T3651] RIP: 0033:0x7fd903c48ae9 [ 1102.245109][ T3651] 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 [ 1102.264696][ T3651] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1102.273122][ T3651] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1102.281073][ T3651] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1102.289054][ T3651] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1102.297048][ T3651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1102.305001][ T3651] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1102.313038][ T3651] 12:35:23 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3ec, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1102.316089][ T3651] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1102.333110][ T3654] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1102.342321][ T3654] CPU: 1 PID: 3654 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1102.352280][ T3654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1102.362384][ T3654] Call Trace: [ 1102.365642][ T3654] [ 1102.368553][ T3654] dump_stack_lvl+0xda/0x130 [ 1102.373134][ T3654] dump_stack+0x15/0x20 [ 1102.377267][ T3654] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1102.382365][ T3654] kobject_add_internal+0x3eb/0x730 [ 1102.387574][ T3654] kobject_add+0xdc/0x150 [ 1102.391893][ T3654] ? kobject_get+0x95/0xc0 [ 1102.396288][ T3654] ? kobject_put+0xd8/0x160 [ 1102.400770][ T3654] ? device_add+0x2ea/0x8b0 [ 1102.405256][ T3654] device_add+0x2f8/0x8b0 [ 1102.409606][ T3654] netdev_register_kobject+0xfc/0x230 [ 1102.415009][ T3654] register_netdevice+0x65b/0xb20 [ 1102.420204][ T3654] ip6_tnl_create2+0x87/0x210 [ 1102.424860][ T3654] ip6_tnl_newlink+0x2bf/0x460 [ 1102.429656][ T3654] ? ip6_tnl_validate+0x80/0x80 [ 1102.434549][ T3654] rtnl_newlink+0xee5/0x1670 [ 1102.439167][ T3654] ? __list_del_entry_valid_or_report+0x5f/0xe0 [ 1102.445436][ T3654] ? _raw_spin_unlock+0x26/0x40 [ 1102.450298][ T3654] ? __mutex_lock+0x21c/0x8d0 [ 1102.454969][ T3654] ? rtnl_setlink+0x300/0x300 [ 1102.459762][ T3654] rtnetlink_rcv_msg+0x807/0x8c0 [ 1102.464796][ T3654] ? __rcu_read_unlock+0x4d/0x70 [ 1102.469718][ T3654] ? avc_has_perm_noaudit+0x1c8/0x210 [ 1102.475110][ T3654] netlink_rcv_skb+0x126/0x220 [ 1102.479922][ T3654] ? rtnetlink_bind+0x60/0x60 [ 1102.484586][ T3654] rtnetlink_rcv+0x1c/0x20 [ 1102.489004][ T3654] netlink_unicast+0x589/0x650 [ 1102.493754][ T3654] netlink_sendmsg+0x66e/0x770 [ 1102.498524][ T3654] ? netlink_getsockopt+0x3e0/0x3e0 [ 1102.503743][ T3654] ____sys_sendmsg+0x37c/0x4d0 [ 1102.508500][ T3654] __sys_sendmsg+0x1e9/0x270 [ 1102.513152][ T3654] __x64_sys_sendmsg+0x46/0x50 [ 1102.517947][ T3654] do_syscall_64+0x44/0x110 [ 1102.522432][ T3654] ? syscall_exit_to_user_mode+0x38/0x140 [ 1102.528212][ T3654] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1102.534177][ T3654] RIP: 0033:0x7f7033abcae9 [ 1102.538581][ T3654] 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 [ 1102.558179][ T3654] RSP: 002b:00007f7032e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1102.566604][ T3654] RAX: ffffffffffffffda RBX: 00007f7033bdc050 RCX: 00007f7033abcae9 [ 1102.574617][ T3654] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1102.582568][ T3654] RBP: 00007f7033b0847a R08: 0000000000000000 R09: 0000000000000000 [ 1102.590526][ T3654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1102.598499][ T3654] R13: 000000000000006e R14: 00007f7033bdc050 R15: 00007fff4e500878 [ 1102.606470][ T3654] [ 1102.609626][ T3654] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. 12:35:24 executing program 2: r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYRESOCT=r0], 0x1, 0x4e2, &(0x7f0000000b80)="$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") r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f00000005c0)) r2 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r2, &(0x7f0000001fc0)=""/184, 0xb8) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000000)={@mcast2, 0x6f, 0x0, 0x2, 0xc, 0x3, 0x8000}, &(0x7f0000000180)=0x20) r5 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r5, 0x800) lseek(r4, 0x20400, 0x0) r6 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r4, r6, 0x0, 0x80001d00c0d0) ioctl$EXT4_IOC_MIGRATE(r3, 0x6609) [ 1102.642851][ T3702] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1102.652091][ T3702] CPU: 1 PID: 3702 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 [ 1102.662070][ T3702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1102.672129][ T3702] Call Trace: [ 1102.675442][ T3702] [ 1102.678373][ T3702] dump_stack_lvl+0xda/0x130 [ 1102.682989][ T3702] dump_stack+0x15/0x20 [ 1102.687159][ T3702] sysfs_create_dir_ns+0x1a8/0x1d0 12:35:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x1d4, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) 12:35:24 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r2) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) getsockname$packet(r2, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000000)=r4) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000004000000000000080000850000002300000095"], &(0x7f0000000180)='GPL\x00', 0x4, 0x8f, &(0x7f00000002c0)=""/143}, 0x97) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000380)='sched_switch\x00', r5}, 0x10) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000001780), 0x20100, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000017c0)='/sys/class/pyra', 0x100, 0x54) bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0xd, 0x9, &(0x7f0000000600)=ANY=[@ANYBLOB="851000000500000007590400f0ffffff186600000200000000000000400000001800000040000000000000000300000018470000fcffffff000000000000000085100000feffffffcc78afdcaa4aa4673dfd0ec0e12823b331e512b0e800a1609aa48e743ad6ed96612765a71d99686020f741780d61b0db57439197f8651b9a0763e4cb53a04c55c3c99df023a6d56287f3533aff7e6e528cf70e91f655cd111d0561eda5629575c28b18b6c0c8c29b363ddf0d14d904ee6b0d76c2b38c708b9725b2ba4eab8ff07e1a85ee558d24167e8ef58ca2a32a525e1e4bd10371c1196812"], &(0x7f0000000440)='GPL\x00', 0x5, 0x5, &(0x7f00000004c0)=""/5, 0x41100, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, &(0x7f00000016c0)={0x4, 0x5}, 0x8, 0x10, &(0x7f0000001700)={0x1, 0x6, 0x7fff, 0x3}, 0x10, 0x0, r5, 0x7, &(0x7f0000001800)=[0xffffffffffffffff, 0xffffffffffffffff, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r7], &(0x7f0000001840)=[{0x4, 0x2, 0x10}, {0x4, 0x2, 0x5, 0x6}, {0x5, 0x1, 0xb, 0x1}, {0x1, 0x1, 0xe, 0x6}, {0x2, 0x2, 0x2, 0x3}, {0x1, 0x3, 0xa, 0xb}, {0x2, 0x3, 0x0, 0xa}], 0x10, 0xb01}, 0x90) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan1\x00', 0x0}) open(&(0x7f0000000100)='./file0\x00', 0x66042, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) r9 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x3d2}}, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r10 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) sendmsg$nl_route_sched(r10, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000580)={&(0x7f0000001980)=@deltfilter={0x1ae0, 0x2d, 0x808, 0x70bd25, 0x25dfdbfd, {0x0, 0x0, 0x0, r8, {0xc, 0xf}, {0x2, 0x9}, {0x5, 0x8}}, [@filter_kind_options=@f_route={{0xa}, {0x1a6c, 0x2, [@TCA_ROUTE4_CLASSID={0x8, 0x1, {0xd, 0xffff}}, @TCA_ROUTE4_ACT={0x161c, 0x6, [@m_simple={0x128, 0x20, 0x0, 0x0, {{0xb}, {0x58, 0x2, 0x0, 0x1, [@TCA_DEF_PARMS={0x18, 0x2, {0x0, 0x2, 0x20000000, 0x7, 0x4}}, @TCA_DEF_DATA={0x6, 0x3, '\xa2\x00'}, @TCA_DEF_DATA={0x9, 0x3, '%+(+\x00'}, @TCA_DEF_DATA={0x5, 0x3, '\x00'}, @TCA_DEF_PARMS={0x18, 0x2, {0x5, 0x214, 0x6, 0x4, 0x9}}, @TCA_DEF_DATA={0x5, 0x3, '\x00'}]}, {0xa6, 0x6, "27b8b5faa5b95e5be156767cc57f07354ebe686445a952df3e59b20c34e4c2eb85bce825c7085897300fcaf55d41a935c24acaa4854feefa38c57f425571adf71910a9fed96afeebd0412a7467ecea70e38a65923e0fa85b2cafa0c58669da5e1bdac8064dbe5edbbd628af20ccf817436cebc71e9c1c5eea116ec0ee5493c5effa93b20db87b18e7ba7ee38e90e6584afbaf6a6e8cf2a49c4a31a70fb95b4e43c91"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x3, 0x1}}}}, @m_mpls={0x106c, 0xa, 0x0, 0x0, {{0x9}, {0x40, 0x2, 0x0, 0x1, [@TCA_MPLS_LABEL={0x8, 0x5, 0x5283e}, @TCA_MPLS_LABEL={0x8, 0x5, 0x78795}, @TCA_MPLS_TC={0x5}, @TCA_MPLS_PARMS={0x1c, 0x2, {{0x0, 0x2, 0x3, 0x7fff, 0x7}, 0x4}}, @TCA_MPLS_PROTO={0x6, 0x4, 0xf7}]}, {0x1004, 0x6, "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"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x1, 0x1}}}}, @m_police={0x90, 0x9, 0x0, 0x0, {{0xb}, {0x60, 0x2, 0x0, 0x1, [[@TCA_POLICE_RATE64={0xc, 0x8, 0x8}, @TCA_POLICE_RATE64={0xc, 0x8, 0xfac}, @TCA_POLICE_AVRATE={0x8, 0x4, 0x800}, @TCA_POLICE_TBF={0x3c, 0x1, {0x381, 0x4, 0x33, 0x2, 0x4, {0x0, 0x1, 0xf5, 0x2, 0x0, 0xb1}, {0x6, 0x2, 0x4, 0x9, 0x5, 0xfff}, 0x4, 0x55f, 0x5251e6b8}}]]}, {0x7, 0x6, "1748b7"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1, 0x3}}}}, @m_ife={0x198, 0xf, 0x0, 0x0, {{0x8}, {0x70, 0x2, 0x0, 0x1, [@TCA_IFE_DMAC={0xa, 0x3, @local}, @TCA_IFE_TYPE={0x6, 0x5, 0xfffc}, @TCA_IFE_SMAC={0xa, 0x4, @random="e92562df9af7"}, @TCA_IFE_DMAC={0xa, 0x3, @local}, @TCA_IFE_METALST={0x24, 0x6, [@IFE_META_SKBMARK={0x4, 0x1, @void}, @IFE_META_TCINDEX={0x6, 0x5, @val=0x3}, @IFE_META_TCINDEX={0x6, 0x5, @val=0x1000}, @IFE_META_SKBMARK={0x4, 0x1, @void}, @IFE_META_TCINDEX={0x6, 0x5, @val=0x5}]}, @TCA_IFE_PARMS={0x1c, 0x1, {{0x6, 0xca9a, 0x5, 0xfffff5b6, 0x7}}}]}, {0x102, 0x6, "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"}, {0xc}, {0xc, 0x8, {0x1, 0x2}}}}, @m_tunnel_key={0x124, 0xc, 0x0, 0x0, {{0xf}, {0x30, 0x2, 0x0, 0x1, [@TCA_TUNNEL_KEY_ENC_IPV4_DST={0x8, 0x4, @private=0xa010102}, @TCA_TUNNEL_KEY_ENC_IPV4_SRC={0x8, 0x3, @rand_addr=0x64010101}, @TCA_TUNNEL_KEY_ENC_IPV6_SRC={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @TCA_TUNNEL_KEY_ENC_IPV4_DST={0x8, 0x4, @rand_addr=0x64010101}]}, {0xc7, 0x6, "eb115a353bfa0f8dbba33dd3c7e3242c40082e29bd5fb45887a47a61389332fa03ffdea3f7a2a2a3f43780128d3a9bb1c3540ca07e2fa3b3f72e3c877de22a16091794704cd525c4c036adf6922d4fbd2cf3fd4792f786dd66de4420e1a79e7eabf5028fd0a4e3ac3b8168ff30a46fd0f76aed8853f4bbc52bf201a245ddc9df11a6322b29c35bedb71e2510cdb72aa66cded39e979d368db2283a336a9e06e79ca6e5a9ce571517f9c8fe6ca3ee7620f157b01a33d959de23f1e3173f5cc800ee00e8"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x9a988c7347d8b27f}}}}, @m_ife={0x138, 0x20, 0x0, 0x0, {{0x8}, {0x44, 0x2, 0x0, 0x1, [@TCA_IFE_DMAC={0xa, 0x3, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, @TCA_IFE_TYPE={0x6, 0x5, 0x6}, @TCA_IFE_PARMS={0x1c, 0x1, {{0xce5, 0xffffffff, 0x8, 0x7, 0x85e5}, 0x1}}, @TCA_IFE_METALST={0x10, 0x6, [@IFE_META_PRIO={0x4, 0x3, @void}, @IFE_META_SKBMARK={0x8, 0x1, @val=0x4}]}]}, {0xcd, 0x6, "c672494a46c22b730b01b28d47d964c243f719336c2a4f78bece65aa25ec5762e7f648f28e7a7c5c2fd664d697b2744fac85b19cea4648e3011a16325e93f8740c1f0fa77fbe65a11e777c999981e1b4132f1323732fdbdc5506c6335b235f5179164e8876e837b24c7195adaf763e23de81abaa61f2c9435ded5a52e182089660d3cb4e20625dca5982ad3d84896f470deedf3ca2cecc67d48f5773ede9537e3673b8691a1355be87004033bdc5c66ad2eb673229d971b2795556ac87c38586e21eedbfc41e00a36c"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1, 0x1}}}}]}, @TCA_ROUTE4_POLICE={0x10, 0x5, [@TCA_POLICE_PEAKRATE64={0xc, 0x9, 0x4f}]}, @TCA_ROUTE4_POLICE={0x424, 0x5, [@TCA_POLICE_PEAKRATE64={0xc, 0x9, 0x9b16}, @TCA_POLICE_AVRATE={0x8, 0x4, 0xfffffff8}, @TCA_POLICE_AVRATE={0x8, 0x4, 0x6b8}, @TCA_POLICE_PEAKRATE={0x404, 0x3, [0x0, 0x3, 0x2, 0x2, 0x4, 0x1, 0xff, 0x4, 0x10001, 0x3b, 0x7, 0x10000, 0xfff, 0x3, 0x9, 0x5b22, 0x6, 0x80000000, 0x4, 0x1, 0x3, 0x6bf1, 0x3f, 0x80000000, 0x7, 0xc000, 0x8, 0x8780, 0x7, 0x8, 0x4, 0x5, 0x4, 0x2, 0x0, 0x7fffffff, 0x3, 0x6d28, 0x0, 0x2, 0x3, 0x609b5acd, 0x3, 0x9, 0xffffffff, 0x0, 0x7, 0x0, 0x7, 0xffff, 0x57c, 0x0, 0x2, 0xea, 0x10001, 0x2, 0x9, 0x8, 0x6d, 0xcca, 0x5, 0x642e, 0x3, 0xa7, 0x80000001, 0x9, 0x5, 0x0, 0xffff, 0x7, 0x2, 0x1, 0x1, 0x800, 0x2, 0xd85abffc, 0x200, 0x3c7, 0x2, 0x8, 0x35, 0x7fffffff, 0xbef, 0x9, 0xb, 0x896e, 0xffff7fff, 0x4, 0x7a, 0x1ff, 0x5, 0x1, 0x6, 0x2, 0xc9f8, 0x8, 0x4, 0x20, 0x8, 0xffffffff, 0x7f, 0x5, 0x1, 0x9, 0xff00, 0x1, 0x9, 0x400, 0x4, 0x3f, 0x4, 0xf348, 0xe30, 0x9, 0x2, 0x7, 0x5, 0x3, 0x9, 0x3, 0x81, 0x8, 0x3ff, 0x77f, 0x2, 0x10000, 0x400, 0x3, 0xdc2, 0x7b1dad69, 0x5a32, 0x0, 0x425, 0xff, 0x3, 0x8, 0x1, 0x7f, 0x0, 0x3, 0x3, 0x2641, 0x9, 0x10001, 0x80000000, 0x9, 0xffffffff, 0x99bc, 0x3f, 0x200, 0x7, 0x7, 0xfffffffb, 0x8001, 0x9, 0xb340, 0x101, 0xff, 0xc5f, 0x3, 0xb65, 0xffffffff, 0x8, 0x37, 0x630e, 0x1, 0xfffffffc, 0x100, 0x80000001, 0x8c, 0x5, 0x1, 0xe8, 0x3, 0x7ff, 0x7, 0x80000001, 0x1, 0x1, 0x7fda, 0x4, 0x9, 0x2, 0x0, 0x157b, 0x7fff, 0x0, 0xffd2, 0x4, 0x70bc, 0x80, 0x6, 0x6fb, 0x81, 0x6, 0x6595, 0x4, 0xb39, 0x20, 0x7, 0x0, 0x81, 0x101, 0x200, 0x6, 0x9, 0x8, 0x2e3, 0x10001, 0x2, 0xfffffff7, 0x4, 0xa828, 0x81, 0x81, 0x8, 0x8, 0x0, 0x80000000, 0x1ff, 0x10001, 0x5, 0x8, 0x2, 0x2, 0x0, 0x9, 0x9418, 0x1, 0x2, 0x1000, 0x1ff, 0x0, 0xdaa, 0x2, 0x2, 0x40, 0x9, 0xfffffff7, 0x1, 0x10001, 0x0, 0x7fffffff, 0x8, 0xffff3b70, 0x8, 0xfffffffd, 0x9e3, 0x8, 0x81, 0x1f, 0x1f, 0x400, 0x14000, 0x101, 0x8000]}]}, @TCA_ROUTE4_TO={0x8, 0x2, 0x4d}, @TCA_ROUTE4_TO={0x8, 0x2, 0x58}]}}, @filter_kind_options=@f_flower={{0xb}, {0x38, 0x2, [@TCA_FLOWER_KEY_MPLS_LABEL={0x8, 0x46, 0x9}, @TCA_FLOWER_KEY_FLAGS={0x8, 0x2f, 0x200}, @TCA_FLOWER_KEY_FLAGS_MASK={0x8}, @TCA_FLOWER_KEY_ENC_IPV6_SRC={0x14, 0x1f, @local}, @TCA_FLOWER_KEY_MPLS_TTL={0x5}]}}]}, 0x1ae0}}, 0x4000000) 12:35:24 executing program 4: r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000005c0)) (async) open(0x0, 0x0, 0x0) (async) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r2, 0x800) lseek(r1, 0x20400, 0x0) (async, rerun: 64) r3 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) (rerun: 64) sendfile(r1, r3, 0x0, 0x80001d00c0d0) (async) r4 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r4, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) sendfile(r3, r4, &(0x7f0000000000)=0x2, 0x7) fsetxattr$trusted_overlay_opaque(r1, &(0x7f0000000100), &(0x7f0000000140), 0x2, 0x2) 12:35:24 executing program 3: syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$AUTOFS_IOC_EXPIRE_MULTI(r1, 0x40049366, &(0x7f0000000000)=0x4) syz_mount_image$ext4(&(0x7f0000000280)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)=ANY=[], 0x0, 0x4fb, &(0x7f0000002080)="$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") r2 = creat(&(0x7f0000000080)='./bus\x00', 0x100) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f00000005c0)) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x800) r5 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r5, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) fcntl$lock(r5, 0x0, &(0x7f00000002c0)={0x1, 0x4, 0xa976, 0x9}) quotactl_fd$Q_GETQUOTA(r3, 0xffffffff80000702, 0xffffffffffffffff, &(0x7f0000000140)) lseek(r3, 0x20400, 0x0) r6 = syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x0) ioctl$EVIOCSKEYCODE_V2(r6, 0x400445a0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "a924530e9304f4a2a8db91c7c15382206e88779a4200"}) fsetxattr$trusted_overlay_opaque(r6, &(0x7f00000001c0), &(0x7f0000000200), 0x2, 0x1) r7 = open(&(0x7f0000000240)='./bus\x00', 0x0, 0x0) sendfile(r3, r7, 0x0, 0x80001d00c0d0) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000001080)=""/4096, 0x1000) [ 1102.692286][ T3702] kobject_add_internal+0x3eb/0x730 [ 1102.697551][ T3702] kobject_add+0xdc/0x150 [ 1102.701917][ T3702] ? kobject_get+0x95/0xc0 [ 1102.706390][ T3702] ? kobject_put+0xd8/0x160 [ 1102.710945][ T3702] ? device_add+0x2ea/0x8b0 [ 1102.715537][ T3702] device_add+0x2f8/0x8b0 [ 1102.719956][ T3702] netdev_register_kobject+0xfc/0x230 [ 1102.725407][ T3702] register_netdevice+0x65b/0xb20 [ 1102.730453][ T3702] ip6_tnl_create2+0x87/0x210 [ 1102.735169][ T3702] ip6_tnl_newlink+0x2bf/0x460 [ 1102.739977][ T3702] ? ip6_tnl_validate+0x80/0x80 [ 1102.744849][ T3702] rtnl_newlink+0xee5/0x1670 [ 1102.749477][ T3702] ? security_capable+0x5e/0x80 [ 1102.754374][ T3702] ? ns_capable+0x7c/0xb0 [ 1102.758708][ T3702] ? rtnl_setlink+0x300/0x300 [ 1102.763405][ T3702] rtnetlink_rcv_msg+0x807/0x8c0 [ 1102.768393][ T3702] ? kmem_cache_free+0x1d9/0x380 [ 1102.773438][ T3702] ? __kfree_skb+0x104/0x140 [ 1102.778121][ T3702] ? nlmon_xmit+0x4b/0x60 [ 1102.782507][ T3702] ? __kfree_skb+0x104/0x140 [ 1102.787118][ T3702] ? consume_skb+0x57/0x180 [ 1102.791687][ T3702] ? nlmon_xmit+0x4b/0x60 [ 1102.796027][ T3702] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1102.801361][ T3702] ? __dev_queue_xmit+0xaae/0x1d80 [ 1102.806511][ T3702] ? ref_tracker_free+0x3a1/0x400 [ 1102.806578][ T3712] loop2: detected capacity change from 0 to 512 [ 1102.811525][ T3702] netlink_rcv_skb+0x126/0x220 [ 1102.822554][ T3702] ? rtnetlink_bind+0x60/0x60 [ 1102.827259][ T3702] rtnetlink_rcv+0x1c/0x20 [ 1102.831697][ T3702] netlink_unicast+0x589/0x650 [ 1102.836518][ T3702] netlink_sendmsg+0x66e/0x770 [ 1102.837106][ T3712] ext4: Unknown parameter '00000000000000000000003' [ 1102.841361][ T3702] ? netlink_getsockopt+0x3e0/0x3e0 [ 1102.853212][ T3702] ____sys_sendmsg+0x37c/0x4d0 [ 1102.858010][ T3702] __sys_sendmsg+0x1e9/0x270 [ 1102.862688][ T3702] __x64_sys_sendmsg+0x46/0x50 [ 1102.867531][ T3702] do_syscall_64+0x44/0x110 [ 1102.872051][ T3702] ? syscall_exit_to_user_mode+0x38/0x140 [ 1102.877811][ T3702] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1102.883737][ T3702] RIP: 0033:0x7fd903c48ae9 [ 1102.888156][ T3702] 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 [ 1102.907773][ T3702] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1102.916264][ T3702] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1102.924309][ T3702] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1102.932346][ T3702] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 12:35:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=@newtaction={0x14, 0x30, 0x0, 0x70bd26}, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000540)=@newlink={0x3c, 0x10, 0x439, 0x3f2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) [ 1102.940348][ T3702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1102.948345][ T3702] R13: 000000000000000b R14: 00007fd903d67f80 R15: 00007fffbc4c9798 [ 1102.956328][ T3702] [ 1102.959561][ T3702] kobject: kobject_add_internal failed for ip6tnl100000000 with -EEXIST, don't try to register things with the same name in the same directory. [ 1102.974671][T30579] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 1103.017317][ T3721] loop3: detected capacity change from 0 to 512 [ 1103.021058][T30579] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1103.028375][ T3723] sysfs: cannot create duplicate filename '/devices/virtual/net/ip6tnl100000000' [ 1103.032701][T30579] Buffer I/O error on dev loop3, logical block 0, async page read [ 1103.041751][ T3723] CPU: 1 PID: 3723 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 12:35:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r1) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000180)=@newlink={0x3c, 0x10, 0x439, 0x70bd25, 0x1e2, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @ipip6={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x3c}}, 0x0) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) [ 1103.059548][ T3723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 1103.069607][ T3723] Call Trace: [ 1103.072891][ T3723] [ 1103.075823][ T3723] dump_stack_lvl+0xda/0x130 [ 1103.080429][ T3723] dump_stack+0x15/0x20 [ 1103.084606][ T3723] sysfs_create_dir_ns+0x1a8/0x1d0 [ 1103.089727][ T3723] kobject_add_internal+0x3eb/0x730 [ 1103.095016][ T3723] kobject_add+0xdc/0x150 [ 1103.099345][ T3723] ? kobject_get+0x95/0xc0 [ 1103.103817][ T3723] ? kobject_put+0xd8/0x160 [ 1103.108394][ T3723] ? device_add+0x2ea/0x8b0 [ 1103.112999][ T3723] device_add+0x2f8/0x8b0 [ 1103.117336][ T3723] netdev_register_kobject+0xfc/0x230 [ 1103.122773][ T3723] register_netdevice+0x65b/0xb20 [ 1103.127813][ T3723] ip6_tnl_create2+0x87/0x210 [ 1103.132497][ T3723] ip6_tnl_newlink+0x2bf/0x460 [ 1103.137275][ T3723] ? ip6_tnl_validate+0x80/0x80 [ 1103.142140][ T3723] rtnl_newlink+0xee5/0x1670 [ 1103.146749][ T3723] ? security_capable+0x5e/0x80 [ 1103.151613][ T3723] ? ns_capable+0x7c/0xb0 [ 1103.155947][ T3723] ? rtnl_setlink+0x300/0x300 [ 1103.160631][ T3723] rtnetlink_rcv_msg+0x807/0x8c0 [ 1103.165639][ T3723] ? kmem_cache_free+0x1d9/0x380 [ 1103.170637][ T3723] ? __kfree_skb+0x104/0x140 [ 1103.175248][ T3723] ? nlmon_xmit+0x4b/0x60 [ 1103.179720][ T3723] ? __kfree_skb+0x104/0x140 [ 1103.184374][ T3723] ? consume_skb+0x57/0x180 [ 1103.188888][ T3723] ? nlmon_xmit+0x4b/0x60 [ 1103.193301][ T3723] ? dev_hard_start_xmit+0x3c1/0x3f0 [ 1103.198704][ T3723] ? __dev_queue_xmit+0xaae/0x1d80 [ 1103.203841][ T3723] ? ref_tracker_free+0x3a1/0x400 [ 1103.208876][ T3723] netlink_rcv_skb+0x126/0x220 [ 1103.213657][ T3723] ? rtnetlink_bind+0x60/0x60 [ 1103.218383][ T3723] rtnetlink_rcv+0x1c/0x20 [ 1103.222888][ T3723] netlink_unicast+0x589/0x650 [ 1103.227758][ T3723] netlink_sendmsg+0x66e/0x770 [ 1103.232674][ T3723] ? netlink_getsockopt+0x3e0/0x3e0 [ 1103.237894][ T3723] ____sys_sendmsg+0x37c/0x4d0 [ 1103.242664][ T3723] __sys_sendmsg+0x1e9/0x270 [ 1103.247263][ T3723] ? wake_up_q+0x3f/0x70 [ 1103.251517][ T3723] __x64_sys_sendmsg+0x46/0x50 [ 1103.256305][ T3723] do_syscall_64+0x44/0x110 [ 1103.260833][ T3723] ? syscall_exit_to_user_mode+0x38/0x140 [ 1103.266617][ T3723] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1103.272565][ T3723] RIP: 0033:0x7fd903c48ae9 [ 1103.277009][ T3723] 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 [ 1103.296606][ T3723] RSP: 002b:00007fd902fcb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1103.305076][ T3723] RAX: ffffffffffffffda RBX: 00007fd903d67f80 RCX: 00007fd903c48ae9 [ 1103.313093][ T3723] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 1103.321055][ T3723] RBP: 00007fd903c9447a R08: 0000000000000000 R09: 0000000000000000 [ 1103.329014][ T3723] R10: 0000000000000