audit: type=1804 audit(1587317885.110:493): pid=13009 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir045930876/syzkaller.AJUGwY/3438/cgroup.controllers" dev="sda1" ino=18111 res=1 rdma_op ffff8881c7771e98 conn xmit_rdma (null) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13009 at fs/ext4/inode.c:3874 ext4_set_page_dirty+0xbe/0x160 fs/ext4/inode.c:3874 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 13009 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x30 kernel/panic.c:547 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:ext4_set_page_dirty+0xbe/0x160 fs/ext4/inode.c:3874 RSP: 0018:ffff8881d988f960 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffea0007176340 RCX: ffffc90005d6b000 RDX: 0000000000040000 RSI: ffffffff81be0dbe RDI: ffffea0007176340 RBP: ffffea0007176340 R08: 0000000000000038 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0007166fa0 R13: ffffea0007166fa0 R14: ffffea0007166fa0 R15: ffff8881c7771ea8 set_page_dirty+0x180/0x320 mm/page-writeback.c:2586 rds_rdma_free_op+0x146/0x470 net/rds/rdma.c:464 rds_message_purge net/rds/message.c:74 [inline] rds_message_put+0x3d2/0x440 net/rds/message.c:91 rds_sendmsg+0xe0e/0x1be0 net/rds/send.c:1212 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xc5/0x100 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c829 RSP: 002b:00007fa677e2bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000500b00 RCX: 000000000045c829 RDX: 0000000000000000 RSI: 0000000020001600 RDI: 0000000000000009 RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a01 R14: 00000000004ccb8f R15: 00007fa677e2c6d4 Kernel Offset: disabled Rebooting in 86400 seconds..