bisecting cause commit starting from f4d51dffc6c01a9e94650d95ce0104964f8ae822 building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7 testing commit f4d51dffc6c01a9e94650d95ce0104964f8ae822 with gcc (GCC) 8.1.0 kernel signature: 58fe6176ec3de88a26fd7300ca84fa84807b85d3f3603ce91fdb7ec14f21d6fa run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine 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 v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 37538d689337104d275590d1c1a61162b6b1bacff730e97f10efd28686e1532f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #2: crashed: BUG: sleeping function called from invalid context in exc_page_fault run #3: crashed: BUG: sleeping function called from invalid context in exc_page_fault run #4: crashed: BUG: sleeping function called from invalid context in exc_page_fault run #5: crashed: BUG: sleeping function called from invalid context in exc_page_fault run #6: crashed: BUG: sleeping function called from invalid context in exc_page_fault 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: c144ad7947478303df19326627ce7116e35625cb610153783d2fdf74ecd843c0 run #0: crashed: BUG: sleeping function called from invalid context in do_page_fault run #1: crashed: BUG: sleeping function called from invalid context in do_page_fault run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #3: crashed: BUG: sleeping function called from invalid context in do_page_fault run #4: crashed: BUG: sleeping function called from invalid context in do_page_fault run #5: crashed: BUG: sleeping function called from invalid context in do_page_fault run #6: crashed: general protection fault in exit_to_usermode_loop run #7: crashed: BUG: sleeping function called from invalid context in do_page_fault run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: 1696c2d9183036f794b3198086be8dd262a53067a1098ce1fe0eea5bfc717c11 run #0: crashed: BUG: sleeping function called from invalid context in do_page_fault run #1: crashed: invalid opcode in do_fast_syscall_32 run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: invalid opcode in do_fast_syscall_32 run #4: crashed: general protection fault in do_fast_syscall_32 run #5: crashed: general protection fault in do_fast_syscall_32 run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 run #7: crashed: general protection fault in do_fast_syscall_32 run #8: crashed: general protection fault in do_fast_syscall_32 run #9: crashed: no output from test machine testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 6d54ffe04c65b29739d5c3daf561460566137f9c80de497df0cb6c31e598c405 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 84705da309666f25ea7e1d1c9e98f046dc0bd7411442af69b73236877483a5e9 run #0: crashed: general protection fault in do_fast_syscall_32 run #1: crashed: general protection fault in do_fast_syscall_32 run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #4: crashed: general protection fault in do_fast_syscall_32 run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #7: crashed: general protection fault in do_fast_syscall_32 run #8: crashed: general protection fault in do_fast_syscall_32 run #9: crashed: general protection fault in do_fast_syscall_32 testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 8a9d84aac7675663e80e8a0d2a96c67f2d610d66aba48ca94a007537b4df862f 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: unexpected kernel reboot run #6: crashed: unexpected kernel reboot 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: c5e1dd196f932938f972b0f3e97676607fa50087d49b894bb0648eca808912f9 run #0: crashed: BUG: sleeping function called from invalid context in __do_page_fault 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 update_vsyscall run #5: crashed: general protection fault in do_fast_syscall_32 run #6: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #7: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: c1768a608f9b9c4c15a71162e6f3451221ae85e403b630144a70018a61d49585 run #0: crashed: general protection fault in do_fast_syscall_32 run #1: crashed: BUG: unable to handle kernel paging request in entry_SYSENTER_compat run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: general protection fault in do_fast_syscall_32 run #4: crashed: general protection fault in do_fast_syscall_32 run #5: crashed: general protection fault in do_syscall_64 run #6: crashed: general protection fault in do_fast_syscall_32 run #7: crashed: general protection fault in do_fast_syscall_32 run #8: crashed: invalid opcode in do_syscall_64 run #9: crashed: general protection fault in do_fast_syscall_32 testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: 9f5c4cd09ccda7fb664d03760795b9e5d9540549209e0f89e933dc852bfa2593 run #0: crashed: general protection fault in do_fast_syscall_32 run #1: crashed: general protection fault in do_fast_syscall_32 run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: general protection fault in do_fast_syscall_32 run #4: crashed: general protection fault in do_fast_syscall_32 run #5: crashed: general protection fault in do_fast_syscall_32 run #6: crashed: general protection fault in do_fast_syscall_32 run #7: crashed: BUG: sleeping function called from invalid context in corrupted run #8: crashed: general protection fault in do_fast_syscall_32 run #9: crashed: general protection fault in do_syscall_64 testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 16ffe8fa5aa3f90c92189de52e3d9dd1484534e37bd91b69715e4c37919eb103 run #0: crashed: general protection fault in do_fast_syscall_32 run #1: crashed: general protection fault in do_syscall_64 run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: general protection fault in do_fast_syscall_32 run #4: crashed: general protection fault in do_fast_syscall_32 run #5: crashed: general protection fault in do_fast_syscall_32 run #6: crashed: general protection fault in do_fast_syscall_32 run #7: crashed: general protection fault in do_fast_syscall_32 run #8: crashed: general protection fault in do_fast_syscall_32 run #9: crashed: general protection fault in do_fast_syscall_32 testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: d329948e0f3a62d7eb0f8200350e12c20ef62b862c1bc168580925475341fd8c run #0: crashed: general protection fault in do_fast_syscall_32 run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted 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: invalid opcode in syscall_return_slowpath run #5: crashed: general protection fault in do_fast_syscall_32 run #6: crashed: BUG: unable to handle kernel paging request in corrupted run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #8: crashed: BUG: unable to handle kernel paging request in corrupted run #9: crashed: BUG: sleeping function called from invalid context in corrupted testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: 2a9853d47f34bcaacf32bb759ddca9dab58eebe7044797ce88efe4cb5be1ec14 run #0: crashed: BUG: sleeping function called from invalid context in corrupted run #1: crashed: general protection fault in do_syscall_64 run #2: crashed: KASAN: out-of-bounds Read in do_fast_syscall_32 run #3: crashed: BUG: sleeping function called from invalid context in corrupted run #4: crashed: KASAN: out-of-bounds Read in do_fast_syscall_32 run #5: crashed: KASAN: out-of-bounds Read in do_fast_syscall_32 run #6: crashed: general protection fault in prepare_exit_to_usermode run #7: crashed: KASAN: out-of-bounds Read in do_fast_syscall_32 run #8: crashed: unexpected kernel reboot run #9: crashed: no output from test machine testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 4bb7b27a40ddac8a063ed9df273955ee203ed38d25f7c997c40e2965c7b1e92f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #1: crashed: BUG: sleeping function called from invalid context in corrupted run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #3: crashed: invalid opcode in do_fast_syscall_32 run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in syscall_trace_enter run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #9: crashed: no output from test machine testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: 8eb582d562d369f13bd646e0e414bc03fd45dcf6a8ce1a588c79b3a9280f38e6 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32 run #1: crashed: general protection fault in do_fast_syscall_32 run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: general protection fault in do_fast_syscall_32 run #4: crashed: BUG: unable to handle kernel paging request in do_fast_syscall_32 run #5: crashed: WARNING: kernel stack regs has bad 'bp' value 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 exit_to_usermode_loop run #8: crashed: WARNING: kernel stack regs has bad 'bp' value run #9: crashed: BUG: sleeping function called from invalid context in __do_page_fault testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: 2bc87dbb14b8af69bab60d275ea9909488efd4e4c1057d76e79ec1b28f02e697 run #0: crashed: BUG: unable to handle kernel paging request in corrupted run #1: crashed: unexpected kernel reboot run #2: crashed: general protection fault in do_fast_syscall_32 run #3: crashed: BUG: unable to handle kernel paging request in corrupted run #4: crashed: BUG: sleeping function called from invalid context in corrupted run #5: crashed: KASAN: out-of-bounds Read in do_fast_syscall_32 run #6: crashed: BUG: sleeping function called from invalid context in __do_page_fault 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 v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: e6afa6ad7c4286cf19c2333feae052b78f742a7b59998d76023b02103568bd25 run #0: crashed: WARNING: suspicious RCU usage in retint_kernel run #1: crashed: general protection fault in update_vsyscall run #2: crashed: general protection fault in do_syscall_64 run #3: crashed: BUG: sleeping function called from invalid context in corrupted run #4: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #5: crashed: general protection fault in ORMASK 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 ORMASK run #8: crashed: BUG: unable to handle kernel paging request in retint_kernel run #9: crashed: unexpected kernel reboot testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: faeeac7b8fc9bc799eed79acf4c72f9598be0e2e5857aea876e83b133f35b575 all runs: crashed: unexpected kernel reboot testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: 95d5f0f9f4afe8b2409a92deb700c1d4f53be9b1064b4ed8d0b8b317bfecf744 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: 59c1ef7ace5166c63aeaef525375e9075363ff7d51a669e2b359e4c866d2976b 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: c39a7d702de3b0354ac6d2c0891c56f25fb6689a70bacde77473a58043aa0be0 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: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #5: crashed: BUG: unable to handle kernel 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: unexpected kernel reboot run #9: crashed: no output from test machine testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: f62093ac0bc6f2e442a29f7e80513c55855dd68444c15cc4b7b19f8b844231b0 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 corrupted run #4: crashed: invalid opcode in trace_hardirqs_on_thunk run #5: crashed: BUG: sleeping function called from invalid context in __do_page_fault run #6: crashed: general protection fault in update_vsyscall 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 corrupted run #9: crashed: no output from test machine testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 kernel signature: 24db536464e75bbf20c27a805906ffaab6cfea34a821d51f6225d4f470dfaabc 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: general protection fault in do_fast_syscall_32 run #4: crashed: general protection fault in do_fast_syscall_32 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: BUG: sleeping function called from invalid context in corrupted run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk testing release v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0 kernel signature: f3cf77c750559bf01403b567c670bbb2d7fe64dcdddbb5a17562e6e817a5021d run #0: OK 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 quarantine_reduce run #3: crashed: KASAN: slab-out-of-bounds Read in handle_mm_fault run #4: crashed: BUG: sleeping function called from invalid context in __do_page_fault 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 handle_mm_fault run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in trace_hardirqs_on_thunk run #8: crashed: BUG: unable to handle kernel paging request in pvclock_gtod_notify run #9: crashed: BUG: unable to handle kernel paging request in mm_update_next_owner testing release v4.6 testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0 kernel signature: 45a2adbaf59238e358ca13c7ed6d57edcd81de086aca38427b93c7f53eba831d all runs: crashed: WARNING in sysfs_warn_dup revisions tested: 25, total time: 4h38m19.401539095s (build: 2h16m11.171305274s, test: 2h17m52.64251698s) 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): hsr_slave_0: link is not ready ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5902 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: 0 PID: 5902 Comm: syz-executor.4 Not tainted 4.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 ffff8800b2ae6eb0 ffffffff82c65e52 ffffffff85c81040 ffff8800b2ae6f88 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 ffff8800b2ae6f78 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 [] C_SYSC_socketcall net/compat.c:810 [inline] [] compat_SyS_socketcall+0x1ea/0x2d0 net/compat.c:768 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x324/0xa70 arch/x86/entry/common.c:454 [] entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:125 Kernel Offset: disabled