INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.11' (ECDSA) to the list of known hosts. net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 122.195638] sg_write: data in/out 327644/112 bytes for SCSI command 0x0-- guessing data in; [ 122.195638] program syzkaller079644 not setting count and/or reply_len properly [ 122.196891] sg_write: data in/out 327644/112 bytes for SCSI command 0x0-- guessing data in; [ 122.196891] program syzkaller079644 not setting count and/or reply_len properly [ 122.233782] kasan: CONFIG_KASAN_INLINE enabled [ 122.233784] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 122.233792] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 122.233796] Dumping ftrace buffer: [ 122.233798] (ftrace buffer empty) [ 122.233801] Modules linked in: [ 122.233805] CPU: 1 PID: 3596 Comm: syzkaller079644 Not tainted 4.9.73-gf3f3457 #11 [ 122.233807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.233810] task: ffff8801c22b6000 task.stack: ffff8801bed18000 [ 122.233821] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 122.233823] RSP: 0018:ffff8801bed1faa0 EFLAGS: 00010a07 [ 122.233826] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664f9b [ 122.233828] RDX: 1bd5a9d5a0000003 RSI: 0000000000000000 RDI: dead4ead0000001c [ 122.233830] RBP: ffff8801bed1fab0 R08: ffffed003b46dbf0 R09: ffff8801da36df60 [ 122.233832] R10: 0000000000000005 R11: ffffed003b46dbf0 R12: 0000000000000004 [ 122.233834] R13: 0000000000000020 R14: ffff8801c21d2100 R15: dffffc0000000000 [ 122.233838] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f77aab40 [ 122.233840] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 122.233842] CR2: 0000000000619570 CR3: 00000001cc78f000 CR4: 00000000001406e0 [ 122.233847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.233849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 122.233850] Stack: [ 122.233856] 0000000000000000 ffff8801c21d2258 ffff8801bed1fb10 ffffffff82664fc1 [ 122.233861] ffff8801c21d2270 ffffed003843a44b ffffed003843a44e ffff8801c21d2268 [ 122.233865] dead4ead00000000 ffff8801c21d2240 0000000000000000 0000000000000000 [ 122.233866] Call Trace: [ 122.233873] [] sg_remove_scat.isra.19+0x1c1/0x2d0 [ 122.233877] [] sg_finish_rem_req+0x2b5/0x340 [ 122.233880] [] sg_read+0xa1c/0x1440 [ 122.233884] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 122.233892] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 122.233895] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 122.233901] [] __vfs_read+0x103/0x670 [ 122.233905] [] ? default_llseek+0x290/0x290 [ 122.233911] [] ? fsnotify+0x86/0xf30 [ 122.233915] [] ? fsnotify+0xf30/0xf30 [ 122.233921] [] ? avc_policy_seqno+0x9/0x20 [ 122.233925] [] ? selinux_file_permission+0x82/0x460 [ 122.233929] [] ? security_file_permission+0x89/0x1e0 [ 122.233933] [] ? rw_verify_area+0xe5/0x2b0 [ 122.233937] [] vfs_read+0x11e/0x380 [ 122.233940] [] SyS_read+0xd9/0x1b0 [ 122.233944] [] ? vfs_copy_file_range+0x740/0x740 [ 122.233950] [] ? do_fast_syscall_32+0xcf/0x890 [ 122.233954] [] ? vfs_copy_file_range+0x740/0x740 [ 122.233957] [] do_fast_syscall_32+0x2f7/0x890 [ 122.233960] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 122.233966] [] entry_SYSENTER_compat+0x51/0x60 [ 122.234021] Code: e9 27 fc ff ff 0f 1f 44 00 00 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 3d [ 122.234025] RIP [] __free_pages+0x21/0x80 [ 122.234026] RSP [ 122.234052] ---[ end trace d1bf5a20ec0b5477 ]--- [ 122.234054] Kernel panic - not syncing: Fatal exception [ 122.234476] Dumping ftrace buffer: [ 122.234477] (ftrace buffer empty) [ 122.234479] Kernel Offset: disabled [ 122.597570] Rebooting in 86400 seconds..