bisecting cause commit starting from f4d51dffc6c01a9e94650d95ce0104964f8ae822 building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7 testing commit f4d51dffc6c01a9e94650d95ce0104964f8ae822 with gcc (GCC) 8.1.0 kernel signature: 41a87423fbe8ef8d699e050b57f0371e96733feb30ef176fffab98ecac7dab8e all runs: crashed: no output from test machine testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 6bbd7d49232e3a194ed458b3949ffefb4df09eec8ed71707ae65f2888c2e4461 run #0: crashed: BUG: unable to handle kernel paging request in corrupted run #1: crashed: BUG: sleeping function called from invalid context in exc_page_fault run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #3: crashed: BUG: sleeping function called from invalid context in kallsyms_lookup run #4: crashed: BUG: unable to handle kernel paging request in __switch_to run #5: crashed: BUG: sleeping function called from invalid context in exc_page_fault run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 4aba2f2fd0ee5c3ef85328539a725eb5c850e27c262157eeda65d610aa3ffe2d run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #7: crashed: invalid opcode in do_syscall_64 run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: 133e1e46d5838dab577e27a33c0ae6828c9084537cd300f4c0aa68306a1e0403 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #2: crashed: BUG: unable to handle kernel paging request in do_syscall_64 run #3: crashed: BUG: unable to handle kernel paging request in do_syscall_64 run #4: crashed: invalid opcode in do_syscall_64 run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #9: crashed: no output from test machine testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 9879838dfbd97f2f129596223d02252c626a22a6ad7877888537d4875266d803 run #0: crashed: invalid opcode in do_syscall_64 run #1: crashed: general protection fault in pvclock_gtod_notify run #2: crashed: invalid opcode in do_syscall_64 run #3: crashed: invalid opcode in do_syscall_64 run #4: crashed: general protection fault in prepare_exit_to_usermode run #5: crashed: invalid opcode in do_syscall_64 run #6: crashed: BUG: unable to handle kernel paging request in do_syscall_64 run #7: crashed: invalid opcode in do_syscall_64 run #8: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #9: crashed: no output from test machine testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 61e4f26c1cae36f959d4580896afef80912014b4a04c72ad7ec28e11c655cdcf run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #2: crashed: unexpected kernel reboot run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #5: crashed: invalid opcode in exit_to_usermode_loop run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: c0a193d47e9d7218f1c1c41d95f9f9bc6f311025c193522ffe6384267b903193 run #0: crashed: unexpected kernel reboot run #1: crashed: unexpected kernel reboot run #2: crashed: unexpected kernel reboot run #3: crashed: unexpected kernel reboot run #4: crashed: unexpected kernel reboot run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: be157ec5a12c92d7ce6af8d3a53d395dbd4fa0c321590baaad06a4bc4c800e2c run #0: crashed: invalid opcode in do_syscall_64 run #1: crashed: general protection fault in do_syscall_64 run #2: crashed: general protection fault in do_syscall_64 run #3: crashed: general protection fault in do_syscall_64 run #4: crashed: general protection fault in do_syscall_64 run #5: crashed: general protection fault in do_syscall_64 run #6: crashed: invalid opcode in do_syscall_64 run #7: crashed: general protection fault in prepare_exit_to_usermode run #8: crashed: general protection fault in do_syscall_64 run #9: crashed: general protection fault in do_syscall_64 testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: fdf1d16074abbf7425b3aa27387928c3ed026540fd13844dff2ea281f6972166 run #0: crashed: invalid opcode in do_syscall_64 run #1: crashed: general protection fault in do_syscall_64 run #2: crashed: general protection fault in do_syscall_64 run #3: crashed: invalid opcode in do_syscall_64 run #4: crashed: invalid opcode in do_syscall_64 run #5: crashed: general protection fault in do_syscall_64 run #6: crashed: general protection fault in do_syscall_64 run #7: crashed: general protection fault in do_syscall_64 run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: c80919126b9b5218a40115090c3fd0d10bc6186dd877cae9e087cfbf25434626 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #1: crashed: invalid opcode in do_syscall_64 run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #3: crashed: invalid opcode in do_syscall_64 run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #5: crashed: invalid opcode in do_syscall_64 run #6: crashed: general protection fault in do_syscall_64 run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in update_vsyscall run #8: crashed: general protection fault in do_syscall_64 run #9: crashed: unexpected kernel reboot testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 2b0d5270d01f768417a8671430ef30c9ea87d2219f073c62cd52fe563d8b638a run #0: crashed: invalid opcode in do_syscall_64 run #1: crashed: general protection fault in do_syscall_64 run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in update_vsyscall run #3: crashed: invalid opcode in do_syscall_64 run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in update_vsyscall run #5: crashed: invalid opcode in do_syscall_64 run #6: crashed: unexpected kernel reboot run #7: crashed: general protection fault in do_syscall_64 run #8: crashed: general protection fault in do_syscall_64 run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: 6185f3388fc07948185b162eab647dd5d08c2fea5464f760e094e466fd8d31b1 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #2: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #3: crashed: BUG: sleeping function called from invalid context in corrupted run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in retint_kernel run #8: crashed: BUG: unable to handle kernel paging request in update_vsyscall run #9: crashed: no output from test machine testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: 2c1fff63b2e40c709a9874a1d080d69dcf09d45b3e3f79cd9d14059b6f98e235 run #0: crashed: general protection fault in do_syscall_64 run #1: crashed: unexpected kernel reboot run #2: crashed: general protection fault in do_syscall_64 run #3: crashed: general protection fault in do_syscall_64 run #4: crashed: general protection fault in do_syscall_64 run #5: crashed: general protection fault in do_syscall_64 run #6: crashed: general protection fault in do_syscall_64 run #7: crashed: unexpected kernel reboot run #8: crashed: general protection fault in do_syscall_64 run #9: crashed: no output from test machine testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 686a57fb969d9af644e782eb2c957c32dac6d8a9271c622279c589fb3cfbd0ad run #0: crashed: BUG: unable to handle kernel paging request in entry_SYSCALL_64_after_hwframe run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #4: crashed: BUG: unable to handle kernel paging request in do_syscall_64 run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #6: crashed: BUG: unable to handle kernel paging request in entry_SYSCALL_64_after_hwframe run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #8: crashed: BUG: unable to handle kernel paging request in do_syscall_64 run #9: crashed: BUG: unable to handle kernel paging request in do_syscall_64 testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: 1effd65027edb8f21b15b294b0e39e21dd7b39dfb7cecd60139186e22e66dff5 run #0: crashed: BUG: sleeping function called from invalid context in corrupted run #1: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #2: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #3: crashed: BUG: unable to handle kernel paging request in update_vsyscall run #4: crashed: BUG: sleeping function called from invalid context in corrupted run #5: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #6: crashed: BUG: sleeping function called from invalid context in corrupted run #7: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #8: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #9: crashed: BUG: sleeping function called from invalid context in corrupted testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: ee951001e7494ad4901a895552116faca42084f8c2ca2fdfa646f0c9db595d53 run #0: crashed: KASAN: out-of-bounds Read in kvm_io_bus_read run #1: crashed: KASAN: out-of-bounds Read in kvm_io_bus_read run #2: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #3: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #4: crashed: BUG: unable to handle kernel paging request in retint_kernel run #5: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #6: crashed: invalid opcode in do_syscall_64 run #7: crashed: KASAN: null-ptr-deref Read in kvm_io_bus_read run #8: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #9: crashed: BUG: sleeping function called from invalid context in __do_page_fault testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: 388fc967f25a2bd28b38dc106d6a9e3d4f77fc316aa80d8584a4e0937e0f58eb run #0: crashed: general protection fault in tracing_open run #1: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #2: crashed: WARNING: locking bug in __atomic_notifier_call_chain run #3: crashed: BUG: unable to handle kernel paging request in retint_kernel run #4: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #5: crashed: unexpected kernel reboot run #6: crashed: BUG: unable to handle kernel paging request in corrupted run #7: crashed: general protection fault in update_vsyscall run #8: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #9: crashed: BUG: unable to handle kernel paging request in tracing_open testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: 0afc6a7c1513c85f9dae1c8673260af3eb6576f430236f2aed3d1529f972f933 all runs: crashed: unexpected kernel reboot testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: f02aa72e33e676ef0d99105c8f866169e6f91629a43149eab01fa31ea89a89de all runs: crashed: BUG: sleeping function called from invalid context in tap_get_minor testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 kernel signature: ef1d741d108bcd1f46048e1928eb3f4ec511454eb1281de84ef3fc0d0f64813b all runs: crashed: BUG: sleeping function called from invalid context in tap_get_minor testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0 kernel signature: b87adf42c1c30bfd614d1ea419ed1d5678b238fd5415a3bd48f9a1bda045abfe run #0: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #4: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #5: crashed: general protection fault in prepare_exit_to_usermode run #6: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #8: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: 239ae9301c0cd63a9ce99f322d7d3a6548a7f85427fdfbbc9a8dff4d8bef05b5 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #1: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #2: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #3: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #6: crashed: BUG: unable to handle kernel paging request in update_vsyscall run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #9: crashed: BUG: sleeping function called from invalid context in corrupted testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 kernel signature: e3c93500359c4db72377d673d8d2552404f1016f77f130eae26baa5a3ca4c4a2 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in update_vsyscall run #2: crashed: BUG: sleeping function called from invalid context in corrupted run #3: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #5: crashed: BUG: sleeping function called from invalid context in corrupted run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #8: crashed: invalid opcode in update_vsyscall run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in update_vsyscall testing release v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0 kernel signature: 49ebb442531c565e69fd4e7c732b576fd0d0aa3deb7a8d77e37f938170e987d2 run #0: crashed: KASAN: use-after-free Read in __mark_inode_dirty run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor453317647" "root@10.128.0.185:./syz-executor453317647"]: exit status 1 ssh: connect to host 10.128.0.185 port 22: Connection timed out lost connection run #2: crashed: general protection fault in debug_check_no_obj_freed run #3: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #4: crashed: general protection fault in ip_vs_proto_data_get run #5: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #6: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #7: crashed: general protection fault in mm_update_next_owner run #8: crashed: INFO: trying to register non-static key in try_to_wake_up run #9: crashed: general protection fault in __dequeue_signal testing release v4.6 testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0 kernel signature: 30ad78dc14f4c4ec47bc31daf4e97ff046f3c552757c65583d5268ae646e8ed7 all runs: crashed: WARNING in sysfs_warn_dup revisions tested: 25, total time: 4h22m5.90154466s (build: 2h16m45.322930004s, test: 2h0m48.425347889s) the crash already happened on the oldest tested release commit msg: Linux 4.6 crash: WARNING in sysfs_warn_dup bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5892 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 fs/sysfs/dir.c:30 sysfs: cannot create duplicate filename '/class/macvtap/tap50' Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 5892 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 ffff8800b231efc8 ffffffff82c65e52 ffffffff85c81040 ffff8800b231f0a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 ffff8800b231f090 ffffffff8160d884 0000000041b58ab3 ffffffff868f8c5a Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0x136/0x1d4 lib/dump_stack.c:51 [] panic+0x1af/0x348 kernel/panic.c:152 [] __warn+0x18d/0x1b0 kernel/panic.c:504 [] warn_slowpath_fmt+0x92/0xb0 kernel/panic.c:527 [] sysfs_warn_dup+0x7b/0xa0 fs/sysfs/dir.c:30 [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 fs/sysfs/symlink.c:51 [] sysfs_do_create_link fs/sysfs/symlink.c:80 [inline] [] sysfs_create_link+0x43/0xb0 fs/sysfs/symlink.c:92 [] device_add_class_symlinks drivers/base/core.c:891 [inline] [] device_add+0x677/0x1350 drivers/base/core.c:1086 [] device_create_groups_vargs+0x1c8/0x220 drivers/base/core.c:1709 [] device_create_vargs drivers/base/core.c:1749 [inline] [] device_create+0x88/0xa0 drivers/base/core.c:1785 [] macvtap_device_event+0x1c4/0x2a0 drivers/net/macvtap.c:1298 [] notifier_call_chain+0x8b/0x170 kernel/notifier.c:93 [] __raw_notifier_call_chain kernel/notifier.c:394 [inline] [] raw_notifier_call_chain+0x11/0x20 kernel/notifier.c:401 [] call_netdevice_notifiers_info+0x47/0x80 net/core/dev.c:1643 [] call_netdevice_notifiers net/core/dev.c:1659 [inline] [] register_netdevice+0x8e8/0xd00 net/core/dev.c:7027 [] macvlan_common_newlink+0x8b9/0x1090 drivers/net/macvlan.c:1316 [] macvtap_newlink+0xbf/0x110 drivers/net/macvtap.c:471 [] rtnl_newlink+0xd4b/0x1230 net/core/rtnetlink.c:2466 [] rtnetlink_rcv_msg+0x222/0x680 net/core/rtnetlink.c:3513 [] netlink_rcv_skb+0x242/0x350 net/netlink/af_netlink.c:2277 [] rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:3519 [] netlink_unicast_kernel net/netlink/af_netlink.c:1214 [inline] [] netlink_unicast+0x3da/0x560 net/netlink/af_netlink.c:1240 [] netlink_sendmsg+0x9bb/0xb40 net/netlink/af_netlink.c:1786 [] sock_sendmsg_nosec net/socket.c:612 [inline] [] sock_sendmsg+0xb5/0xf0 net/socket.c:622 [] SYSC_sendto net/socket.c:1648 [inline] [] SyS_sendto+0x1ca/0x290 net/socket.c:1616 [] entry_SYSCALL_64_fastpath+0x23/0xc1 Kernel Offset: disabled