DUID 00:04:ae:1e:d5:49:b7:3c:3f:84:b3:e9:d7:e4:a5:00:02:90 forked to background, child pid 3184 [ 31.827111][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.842200][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.479964][ T3606] ------------[ cut here ]------------ [ 52.485625][ T3606] kernel BUG at mm/memory.c:2103! [ 52.490654][ T3606] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 52.496856][ T3606] CPU: 1 PID: 3606 Comm: syz-executor294 Not tainted 5.16.0-rc8-syzkaller #0 [ 52.505686][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.515723][ T3606] RIP: 0010:vmf_insert_pfn_prot+0x248/0x450 [ 52.521625][ T3606] Code: 0f 0b e8 eb 70 ca ff 4d 89 f7 bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 67 73 ca ff 49 83 ff 20 0f 85 a5 fe ff ff e8 c8 70 ca ff <0f> 0b 49 be ff ff ff ff ff ff 0f 00 e8 b7 70 ca ff 4d 21 ee 4c 89 [ 52.541216][ T3606] RSP: 0018:ffffc90001abf8d0 EFLAGS: 00010293 [ 52.547264][ T3606] RAX: 0000000000000000 RBX: 1ffff92000357f1c RCX: 0000000000000000 [ 52.555219][ T3606] RDX: ffff88801a7a0000 RSI: ffffffff81ad2168 RDI: 0000000000000003 [ 52.563181][ T3606] RBP: ffff888018da3210 R08: 0000000000000020 R09: ffffc90001abf8b7 [ 52.571140][ T3606] R10: ffffffff81ad2159 R11: 0000000000000000 R12: 0000000020000000 [ 52.579098][ T3606] R13: 0000000000018a59 R14: 0000000008040475 R15: 0000000000000020 [ 52.587147][ T3606] FS: 00005555571ad3c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 52.596073][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.602650][ T3606] CR2: 0000000020000000 CR3: 0000000019180000 CR4: 00000000003506e0 [ 52.610613][ T3606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.618611][ T3606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.626571][ T3606] Call Trace: [ 52.629835][ T3606] [ 52.632759][ T3606] ? insert_pfn+0x6d0/0x6d0 [ 52.637260][ T3606] ? __lock_acquire+0xbbf/0x5470 [ 52.642196][ T3606] drm_gem_shmem_fault+0x1e3/0x290 [ 52.647307][ T3606] __do_fault+0x10d/0x4d0 [ 52.651631][ T3606] __handle_mm_fault+0x28e8/0x5120 [ 52.656738][ T3606] ? vm_iomap_memory+0x190/0x190 [ 52.661676][ T3606] handle_mm_fault+0x1c8/0x790 [ 52.666432][ T3606] do_user_addr_fault+0x489/0x11c0 [ 52.671545][ T3606] exc_page_fault+0x9e/0x180 [ 52.676138][ T3606] asm_exc_page_fault+0x1e/0x30 [ 52.680995][ T3606] RIP: 0010:strncpy_from_user+0x1dc/0x3e0 [ 52.686724][ T3606] Code: ed 08 4d 89 74 1d 00 bf 07 00 00 00 48 83 c3 08 48 89 ee e8 66 57 7a fd 48 83 fd 07 0f 86 bd 01 00 00 e8 c7 54 7a fd 45 31 ff <4d> 8b 34 1c 31 ff 44 89 fe e8 d6 56 7a fd 45 85 ff 0f 84 55 ff ff [ 52.706502][ T3606] RSP: 0018:ffffc90001abfd08 EFLAGS: 00050246 [ 52.712566][ T3606] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 52.720525][ T3606] RDX: ffff88801a7a0000 RSI: ffffffff83fd3d69 RDI: 0000000000000003 [ 52.728483][ T3606] RBP: 0000000000000fe0 R08: 0000000000000007 R09: 0000000000000001 [ 52.736461][ T3606] R10: ffffffff83fd3cc9 R11: 0000000000000000 R12: 0000000020000000 [ 52.744422][ T3606] R13: ffff88801cfa9120 R14: 0000000020000fe0 R15: 0000000000000000 [ 52.752387][ T3606] ? strncpy_from_user+0x139/0x3e0 [ 52.757505][ T3606] ? strncpy_from_user+0x1d9/0x3e0 [ 52.762609][ T3606] ? strncpy_from_user+0x1d9/0x3e0 [ 52.767716][ T3606] getname_flags.part.0+0x95/0x4f0 [ 52.772826][ T3606] getname+0x8e/0xd0 [ 52.776715][ T3606] do_sys_openat2+0xf5/0x4d0 [ 52.781302][ T3606] ? build_open_flags+0x6f0/0x6f0 [ 52.786324][ T3606] ? __context_tracking_exit+0xb8/0xe0 [ 52.791828][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 52.796688][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 52.801535][ T3606] __x64_sys_openat+0x13f/0x1f0 [ 52.806478][ T3606] ? __ia32_sys_open+0x1c0/0x1c0 [ 52.811412][ T3606] ? syscall_enter_from_user_mode+0x21/0x70 [ 52.817302][ T3606] do_syscall_64+0x35/0xb0 [ 52.821714][ T3606] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 52.827604][ T3606] RIP: 0033:0x7f4b4c51c3b9 [ 52.832009][ T3606] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c4 ff ff ff f7 d8 64 89 01 48 [ 52.851816][ T3606] RSP: 002b:00007ffce435a308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 52.860233][ T3606] RAX: ffffffffffffffda RBX: 00007ffce435a318 RCX: 00007f4b4c51c3b9 [ 52.868200][ T3606] RDX: 0000000000000040 RSI: 0000000020000000 RDI: ffffffffffffff9c [ 52.879330][ T3606] RBP: 00007ffce435a310 R08: 00007ffce435a310 R09: 00007f4b4c4df030 [ 52.889701][ T3606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.898609][ T3606] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.908377][ T3606] [ 52.911385][ T3606] Modules linked in: [ 52.915609][ T3606] ---[ end trace 84f9f0375fb4d94d ]--- [ 52.921059][ T3606] RIP: 0010:vmf_insert_pfn_prot+0x248/0x450 [ 52.927227][ T3606] Code: 0f 0b e8 eb 70 ca ff 4d 89 f7 bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 67 73 ca ff 49 83 ff 20 0f 85 a5 fe ff ff e8 c8 70 ca ff <0f> 0b 49 be ff ff ff ff ff ff 0f 00 e8 b7 70 ca ff 4d 21 ee 4c 89 [ 52.946968][ T3606] RSP: 0018:ffffc90001abf8d0 EFLAGS: 00010293 [ 52.953077][ T3606] RAX: 0000000000000000 RBX: 1ffff92000357f1c RCX: 0000000000000000 [ 52.961047][ T3606] RDX: ffff88801a7a0000 RSI: ffffffff81ad2168 RDI: 0000000000000003 [ 52.969045][ T3606] RBP: ffff888018da3210 R08: 0000000000000020 R09: ffffc90001abf8b7 [ 52.977028][ T3606] R10: ffffffff81ad2159 R11: 0000000000000000 R12: 0000000020000000 [ 52.985070][ T3606] R13: 0000000000018a59 R14: 0000000008040475 R15: 0000000000000020 [ 52.993075][ T3606] FS: 00005555571ad3c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 53.002118][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.008767][ T3606] CR2: 0000563f738b5dc0 CR3: 0000000019180000 CR4: 00000000003506f0 [ 53.016763][ T3606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.024978][ T3606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.033021][ T3606] Kernel panic - not syncing: Fatal exception [ 53.039341][ T3606] Kernel Offset: disabled [ 53.043654][ T3606] Rebooting in 86400 seconds..