bisecting cause commit starting from e28f0104343d0c132fa37f479870c9e43355fee4 building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7 testing commit e28f0104343d0c132fa37f479870c9e43355fee4 with gcc (GCC) 8.1.0 kernel signature: 6ddcd86e9e41dfdd67bfcb314a7a7a9e769340acef005c9ff1e1aa6ec58296d1 run #0: crashed: BUG: unable to handle kernel paging request in fb_open run #1: crashed: BUG: corrupted list in account_entity_dequeue run #2: crashed: BUG: Bad page map run #3: crashed: general protection fault in anon_vma_interval_tree_insert run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in anon_vma_interval_tree_insert run #5: crashed: BUG: unable to handle kernel paging request in unlink_file_vma run #6: crashed: BUG: corrupted list in __mutex_add_waiter run #7: crashed: general protection fault in preempt_schedule_notrace_thunk run #8: crashed: BUG: unable to handle kernel paging request in corrupted run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in anon_vma_interval_tree_insert testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 0f933807d0955a40723a7c441cbd3abd680429eb916a8775b6c45ef5e08a950a run #0: crashed: WARNING in vmacache_find run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in __cleanup_sighand run #2: crashed: general protection fault in find_first_bit run #3: crashed: general protection fault in anon_vma_interval_tree_insert run #4: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in anon_vma_interval_tree_insert run #6: crashed: unexpected kernel reboot run #7: crashed: BUG: corrupted list in account_entity_dequeue run #8: crashed: no output from test machine run #9: boot failed: can't ssh into the instance testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 04b12f8f45d3466b8cdbb14bef326e14b002d58064c63f788c984f0277c3b8b3 run #0: crashed: KASAN: unknown-crash Read in futex_wake run #1: crashed: general protection fault in ip6t_do_table run #2: crashed: kernel BUG at mm/huge_memory.c:LINE! run #3: crashed: KASAN: wild-memory-access Read in filp_close run #4: crashed: BUG: Bad page map run #5: crashed: kernel panic: stack is corrupted in __schedule run #6: crashed: general protection fault in do_swap_page run #7: crashed: general protection fault in switch_mm_irqs_off run #8: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #9: crashed: no output from test machine testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: da7b5d0f6bf67441da88c783aabf095b3c2f1424ee6b7120ea0dde64f8697e72 run #0: crashed: general protection fault in select_idle_sibling run #1: crashed: general protection fault in hrtimer_init run #2: crashed: general protection fault in __rb_insert_augmented run #3: crashed: general protection fault in do_swap_page run #4: crashed: WARNING in mark_lock run #5: crashed: WARNING: bad unlock balance in __anon_vma_prepare run #6: crashed: WARNING: refcount bug in __put_task_struct run #7: crashed: KASAN: unknown-crash Read in do_exit run #8: crashed: BUG: Bad page map run #9: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 7d82a9fad7e6209a40cb27daba7ab483840b1eff9e27a9be28e73a6d81247ea9 run #0: crashed: general protection fault in validate_mm run #1: crashed: kernel BUG at mm/mmu_gather.c:LINE! run #2: crashed: general protection fault in wait_consider_task run #3: crashed: KASAN: wild-memory-access Read in select_task_rq_fair run #4: crashed: general protection fault in dup_mm run #5: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #6: crashed: general protection fault in do_swap_page run #7: crashed: general protection fault in find_first_bit run #8: crashed: BUG: corrupted list in __khugepaged_exit run #9: crashed: kernel panic: corrupted stack end in sys_nanosleep testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 42688811ff289e69f006a8f77bb15662bae2dcf9845a806aa9c3aa5b80344b8a run #0: crashed: general protection fault in validate_mm run #1: crashed: general protection fault in wait_consider_task run #2: crashed: kernel panic: corrupted stack end in corrupted run #3: crashed: BUG: Bad rss-counter state run #4: crashed: WARNING in debug_mutex_wake_waiter run #5: crashed: WARNING in corrupted run #6: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #7: crashed: general protection fault in rb_insert_color run #8: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #9: crashed: no output from test machine testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 5b19f8763cacf33f4a0c1af15dc97ba781e3ee21940f8eaf82f3db1fe1d8c9b6 run #0: crashed: general protection fault in anon_vma_interval_tree_insert run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #2: crashed: general protection fault in anon_vma_interval_tree_insert run #3: crashed: PANIC: double fault in __switch_to_asm run #4: crashed: general protection fault in rb_erase run #5: crashed: unexpected kernel reboot run #6: crashed: KASAN: null-ptr-deref Write in validate_mm run #7: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #8: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #9: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: 00a74cd50a03236d8b0ebcc19ad790c013bab06d492cbf22751c045bdfbf2e11 run #0: crashed: unexpected kernel reboot run #1: crashed: kernel panic: Fatal exception run #2: crashed: BUG: unable to handle kernel paging request in __do_softirq run #3: crashed: general protection fault in migrate_task_rq_fair run #4: crashed: BUG: unable to handle kernel paging request in corrupted run #5: crashed: kernel BUG at mm/huge_memory.c:LINE! run #6: crashed: BUG: Bad page map run #7: crashed: BUG: unable to handle kernel paging request in corrupted run #8: crashed: general protection fault in acct_collect run #9: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: c9adb987a1d6f9af68e02ee45222df1dcd12c73e6d2edddf54a1575a9ef60e61 run #0: crashed: general protection fault in anon_vma_interval_tree_insert run #1: crashed: kernel panic: stack is corrupted in __schedule run #2: crashed: INFO: trying to register non-static key in __handle_mm_fault run #3: crashed: WARNING: locking bug in copy_page_range run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #5: crashed: general protection fault in futex_wake run #6: crashed: general protection fault in xas_start run #7: crashed: general protection fault in validate_mm run #8: crashed: general protection fault in xas_start run #9: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: 64dcdea2c0245722a884c0060c2eca2dfadfb2079a420722acae32339bb710f4 run #0: crashed: general protection fault in anon_vma_interval_tree_insert run #1: crashed: WARNING in corrupted run #2: crashed: BUG: corrupted list in tty_write_lock run #3: crashed: general protection fault in __handle_mm_fault run #4: crashed: general protection fault in __switch_to run #5: crashed: BUG: unable to handle kernel paging request in __handle_mm_fault run #6: crashed: unexpected kernel reboot run #7: crashed: general protection fault in rb_erase_cached run #8: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #9: crashed: INFO: trying to register non-static key in try_to_wake_up testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: d2b6b288c9330b6fdcc21d04d84490b06f32f3be7844f992c4ac86e8dd2e770e run #0: crashed: INFO: trying to register non-static key in __do_page_fault run #1: crashed: BUG: Bad page map run #2: crashed: WARNING: locking bug in try_to_wake_up run #3: crashed: WARNING in vmacache_find run #4: crashed: WARNING: bad unlock balance in do_con_write run #5: crashed: BUG: unable to handle kernel paging request in corrupted run #6: crashed: general protection fault in futex_wake run #7: crashed: general protection fault in xas_start run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: a769e1f66719a226f33c6a7adb38d6f5f85d0859e21cd7f35a0ec1f1e11bb544 run #0: crashed: general protection fault in anon_vma_interval_tree_insert run #1: crashed: general protection fault in futex_wake run #2: crashed: general protection fault in anon_vma_interval_tree_insert run #3: crashed: WARNING in debug_mutex_wake_waiter run #4: crashed: KASAN: use-after-free in fixup_exception run #5: crashed: general protection fault in anon_vma_interval_tree_insert run #6: crashed: general protection fault in corrupted run #7: crashed: general protection fault in bit_putcs run #8: crashed: BUG: corrupted list in tty_write_lock run #9: crashed: BUG: unable to handle kernel paging request in corrupted testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: 16ad178124766758de605c77b5031eeb1238f7b1ba83e49d409ce41f0d338187 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: BUG: Bad page map run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #3: crashed: KASAN: wild-memory-access Write in corrupted run #4: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #5: crashed: general protection fault in anon_vma_interval_tree_insert run #6: crashed: general protection fault in exit_to_usermode_loop run #7: crashed: WARNING in debug_mutex_wake_waiter run #8: crashed: unexpected kernel reboot run #9: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 90ee4f8008225c21d627ac57d02920a3e72969e4370cb730939054aaf00e0826 run #0: crashed: kernel panic: stack is corrupted in __schedule run #1: crashed: kernel panic: stack is corrupted in __schedule run #2: crashed: general protection fault in enqueue_entity run #3: crashed: kernel BUG at include/linux/mm.h:LINE! run #4: crashed: kernel BUG at fs/namei.c:LINE! run #5: crashed: BUG: unable to handle kernel paging request in corrupted run #6: crashed: unexpected kernel reboot run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #8: crashed: general protection fault in anon_vma_interval_tree_insert run #9: crashed: INFO: trying to register non-static key in try_to_wake_up testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: 80daaee5729ba5c9eeed27019a79af08a7872da60468953413e8d800e14a0aa4 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: INFO: trying to register non-static key in try_to_wake_up run #2: crashed: unexpected kernel reboot run #3: crashed: general protection fault in __radix_tree_lookup run #4: crashed: general protection fault in __switch_to run #5: crashed: BUG: unable to handle kernel paging request in corrupted run #6: crashed: general protection fault in anon_vma_interval_tree_insert run #7: crashed: kernel BUG at fs/namei.c:LINE! run #8: crashed: BUG: unable to handle kernel paging request in pmd_trans_migrating run #9: crashed: kernel panic: Fatal exception testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: 0639752ce2ed7681bfc5cafee1ead23b506f7a362400517fe44265fde611102b run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: general protection fault in mem_cgroup_from_task run #2: crashed: general protection fault in anon_vma_interval_tree_insert run #3: crashed: general protection fault in __schedule run #4: crashed: BUG: corrupted list in load_balance run #5: crashed: general protection fault in anon_vma_interval_tree_insert run #6: crashed: general protection fault in __switch_to run #7: crashed: unexpected kernel reboot run #8: crashed: kernel BUG at arch/x86/mm/physaddr.c:LINE! run #9: crashed: no output from test machine testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: c28bf48ba27291007cc38b8f377bfd611f6388e247d7f47fe7c5f1dbf8444108 run #0: crashed: INFO: trying to register non-static key in try_to_wake_up run #1: crashed: BUG: corrupted list in futex_wait_queue_me run #2: crashed: general protection fault in anon_vma_interval_tree_remove run #3: crashed: KASAN: use-after-free Read in n_tty_write run #4: crashed: BUG: unable to handle kernel paging request in bit_cursor run #5: crashed: general protection fault in find_vma run #6: crashed: general protection fault in anon_vma_interval_tree_insert run #7: crashed: general protection fault in schedule run #8: crashed: general protection fault in __radix_tree_lookup run #9: crashed: INFO: trying to register non-static key in add_wait_queue testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: 261f9c14ae1f8489393fe497ef30a0f7fd0fb268d84180aae8294dfd594c3c53 run #0: crashed: general protection fault in __switch_to run #1: crashed: general protection fault in anon_vma_interval_tree_insert run #2: crashed: BUG: unable to handle kernel paging request in corrupted run #3: crashed: general protection fault in timerqueue_add run #4: crashed: general protection fault in anon_vma_interval_tree_insert run #5: crashed: general protection fault in rb_erase run #6: crashed: general protection fault in anon_vma_interval_tree_remove run #7: crashed: kernel BUG at fs/namei.c:LINE! run #8: crashed: BUG: Bad page map run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: a27006c3806c3b5305c0e1c77a4b79c23410a658262e0e2635616f0328de555a 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: 2626dd85263de1f8501ff331dde2353a92fe06707c9fdceb0df7873e4d6ebb59 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: 4d2f85077e092253cd40dc27aec443897f8bf2e2f499e498578cecfea07ef5e1 run #0: crashed: WARNING in corrupted run #1: crashed: BUG: unable to handle kernel paging request in corrupted run #2: crashed: unexpected kernel reboot run #3: crashed: BUG: Bad page map run #4: crashed: general protection fault in anon_vma_interval_tree_verify run #5: crashed: unexpected kernel reboot run #6: crashed: general protection fault in anon_vma_interval_tree_insert run #7: crashed: unexpected kernel reboot run #8: crashed: BUG: unable to handle kernel paging request in corrupted run #9: 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-executor646280155" "root@10.128.1.22:./syz-executor646280155"]: exit status 1 ssh: connect to host 10.128.1.22 port 22: Connection timed out lost connection testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: 4229b0717c2059d0b7ad2939966215ee6274a55cac4cb32a20b544289b498ca0 run #0: crashed: general protection fault in enqueue_entity run #1: crashed: kernel BUG at kernel/cred.c:LINE! run #2: crashed: general protection fault in set_root run #3: crashed: WARNING in corrupted run #4: crashed: general protection fault in anon_vma_interval_tree_insert run #5: crashed: general protection fault in anon_vma_interval_tree_insert run #6: crashed: kernel panic: Fatal exception run #7: crashed: general protection fault in anon_vma_interval_tree_insert run #8: crashed: general protection fault in anon_vma_interval_tree_insert run #9: crashed: BUG: unable to handle kernel paging request in mm_update_next_owner testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 kernel signature: 7b86e6223e1b5ff4da28fc012a34b1c4f229085e5afc1a27b1d37bb2fc13c73e run #0: crashed: WARNING in vmacache_find run #1: crashed: BUG: unable to handle kernel paging request in prepare_bprm_creds run #2: crashed: WARNING in vmacache_find run #3: crashed: BUG: Bad page map run #4: crashed: general protection fault in free_pages_and_swap_cache run #5: crashed: general protection fault in common_file_perm run #6: crashed: WARNING in corrupted run #7: crashed: general protection fault in creds_are_invalid run #8: crashed: general protection fault in unlink_anon_vmas run #9: crashed: INFO: trying to register non-static key in alloc_set_pte testing release v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0 kernel signature: b65223bb4ef36efaf4e69cbf5aa42cd6f285232ad754e7ffef5999468ee418c9 run #0: crashed: kernel panic: Fatal exception run #1: crashed: general protection fault in batadv_hardif_get_by_netdev run #2: crashed: general protection fault in ipv6_get_ifaddr run #3: crashed: general protection fault in dst_cache_per_cpu_get run #4: crashed: BUG: unable to handle kernel paging request in mm_update_next_owner run #5: crashed: general protection fault in ndisc_alloc_skb run #6: crashed: kernel panic: Fatal exception run #7: crashed: BUG: unable to handle kernel paging request in mm_update_next_owner run #8: crashed: general protection fault in mm_update_next_owner run #9: crashed: general protection fault in debug_check_no_obj_freed testing release v4.6 testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0 kernel signature: 6b8a4c1580ac775c70c70ad5729cfb1ff39230c7e62971303497a127ed98a4b4 all runs: crashed: WARNING in sysfs_warn_dup revisions tested: 25, total time: 4h26m30.575220424s (build: 2h22m40.353361535s, test: 1h59m58.184972337s) the crash already happened on the oldest tested release commit msg: Linux 4.6 crash: WARNING in sysfs_warn_dup bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5888 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: 5888 Comm: syz-executor.2 Not tainted 4.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 ffff8800b9926fc8 ffffffff82c65e52 ffffffff85c81040 ffff8800b99270a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 ffff8800b9927090 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