INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. [ 157.883103] IPVS: Creating netns size=2552 id=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 157.996804] kasan: CONFIG_KASAN_INLINE enabled [ 158.001257] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 158.014114] Dumping ftrace buffer: [ 158.017621] (ftrace buffer empty) [ 158.021311] Modules linked in: [ 158.024587] CPU: 0 PID: 3368 Comm: syzkaller715501 Not tainted 4.4.112-g5f6325b #28 [ 158.032345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.041669] task: ffff8800b42f0000 task.stack: ffff8800b4398000 [ 158.047692] RIP: 0010:[] [] __free_pages+0x21/0x90 [ 158.055923] RSP: 0018:ffff8800b439fa40 EFLAGS: 00010a07 [ 158.061350] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff825ba72b [ 158.068589] RDX: 1bd5a9d5a0000003 RSI: 0000000000000000 RDI: dead4ead0000001c [ 158.075829] RBP: ffff8800b439fa50 R08: 0000000000000000 R09: 0000000000000001 [ 158.083068] R10: 0000000000000000 R11: 1ffff10016873f26 R12: 0000000000000004 [ 158.090317] R13: 0000000000000020 R14: ffff8801d0bba100 R15: dffffc0000000000 [ 158.097556] FS: 00007f7f68444700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 158.105761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.111612] CR2: 0000000020e10f53 CR3: 00000000b4b9c000 CR4: 0000000000160670 [ 158.118852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 158.126094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 158.133330] Stack: [ 158.135449] ffffffff837770a9 ffff8801d0bba258 ffff8800b439fab0 ffffffff825ba751 [ 158.143417] ffff8801d0bba270 ffffed003a17744b ffffed003a17744e ffff8801d0bba268 [ 158.151384] dead4ead00000000 ffff8801d0bba240 0000000000000000 0000000000000000 [ 158.159350] Call Trace: [ 158.161907] [] ? retint_kernel+0x2d/0x2d [ 158.167586] [] sg_remove_scat.isra.17+0x1c1/0x2d0 [ 158.174044] [] sg_finish_rem_req+0x2b5/0x340 [ 158.180067] [] sg_read+0xa21/0x1490 [ 158.185312] [] ? __check_object_size+0x154/0x35b [ 158.191691] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 158.198325] [] ? fsnotify+0xee0/0xee0 [ 158.203745] [] ? avc_policy_seqno+0x9/0x20 [ 158.209599] [] do_loop_readv_writev+0x141/0x1e0 [ 158.215895] [] ? security_file_permission+0x89/0x1e0 [ 158.222625] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 158.229273] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 158.235906] [] do_readv_writev+0x5dd/0x6e0 [ 158.241761] [] ? vfs_write+0x530/0x530 [ 158.247264] [] ? _raw_spin_unlock+0x2c/0x50 [ 158.253200] [] ? do_huge_pmd_anonymous_page+0x3dd/0xa10 [ 158.260183] [] ? __fget+0x20b/0x3b0 [ 158.265441] [] ? __fget+0x232/0x3b0 [ 158.270684] [] ? __fget+0x47/0x3b0 [ 158.275843] [] vfs_readv+0x78/0xb0 [ 158.280999] [] SyS_readv+0xd9/0x240 [ 158.286244] [] ? rw_copy_check_uvector+0x2d0/0x2d0 [ 158.292791] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 158.299338] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 158.305881] Code: 26 a6 0c 00 e9 78 fd ff ff 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 49 [ 158.332409] RIP [] __free_pages+0x21/0x90 [ 158.338290] RSP [ 158.343973] ---[ end trace 0fd0b8dbaaedf966 ]--- [ 158.348764] Kernel panic - not syncing: Fatal exception [ 158.354428] Dumping ftrace buffer: [ 158.357939] (ftrace buffer empty) [ 158.361621] Kernel Offset: disabled [ 158.365218] Rebooting in 86400 seconds..