tc_ctl_action: received NO action attribs BUG: unable to handle kernel paging request at fffffffb85342de8 IP: show_timer+0x1d1/0x2b0 fs/proc/base.c:2304 PGD 5e28067 P4D 5e28067 PUD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 11740 Comm: syz-executor1 Not tainted 4.14.0-mm1+ #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d2b2c240 task.stack: ffff8801c47b0000 RIP: 0010:show_timer+0x1d1/0x2b0 fs/proc/base.c:2304 RSP: 0018:ffff8801c47b7ac8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8801c3120e00 RCX: ffffffff81cd165e RDX: 1fffffff70a685bd RSI: ffffc90003e0a000 RDI: fffffffb85342de8 RBP: ffff8801c47b7af8 R08: ffffed003a55a8fd R09: ffffed003a55a8fd R10: ffff8801d2b2c240 R11: ffffed003a55a8fc R12: ffffffff80000001 R13: ffff8801ccb8b980 R14: ffffffff85341ee0 R15: 000000000000034b FS: 00007f423605f700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffb85342de8 CR3: 00000001c48d4000 CR4: 00000000001406f0 DR0: 0000000020001000 DR1: 0000000020001000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: seq_read+0x385/0x13d0 fs/seq_file.c:234 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 do_preadv+0x11b/0x1a0 fs/read_write.c:1043 SYSC_preadv fs/read_write.c:1093 [inline] SyS_preadv+0x30/0x40 fs/read_write.c:1088 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x4529d9 RSP: 002b:00007f423605ec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9 RDX: 0000000000000001 RSI: 0000000020b39000 RDI: 0000000000000013 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7346 R13: 00007f423605eac8 R14: 00000000004b7351 R15: 0000000000000000 Code: 4d 63 e4 e8 82 08 a3 ff 4a 8d 3c e5 e0 2d 34 85 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a2 00 00 00 <4a> 8b 14 e5 e0 2d 34 85 4c 89 ef 45 89 f8 4c 89 f1 48 c7 c6 a0 RIP: show_timer+0x1d1/0x2b0 fs/proc/base.c:2304 RSP: ffff8801c47b7ac8 CR2: fffffffb85342de8 ---[ end trace f250ea3a4ca94050 ]---