File: /root/syzkaller-testdir135864796/syzkaller.DsecPn/1/bus PID: 7905 Comm: syz-executor.4
Page cache invalidation failure on direct I/O.  Possible data corruption due to collision with buffered I/O!
File: /root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/12/bus PID: 8045 Comm: syz-executor.2
syz-executor.1 (8086) used greatest stack depth: 23728 bytes left
WARNING: CPU: 1 PID: 8257 at fs/ext4/inode.c:3929 ext4_set_page_dirty+0x30b/0x430 fs/ext4/inode.c:3929
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 8257 Comm: syz-executor.2 Not tainted 5.0.0-rc7+ #86
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:ext4_set_page_dirty+0x30b/0x430 fs/ext4/inode.c:3929
Code: ff e8 f9 a6 82 ff 49 8d 5f ff e9 e5 fd ff ff e8 eb a6 82 ff 48 c7 c6 e0 d3 7a 87 4c 89 e7 e8 7c 1c ab ff 0f 0b e8 d5 a6 82 ff <0f> 0b e9 56 ff ff ff e8 c9 a6 82 ff 4c 89 ea 48 b8 00 00 00 00 00
RSP: 0018:ffff888086a279e0 EFLAGS: 00010293
RAX: ffff8880a4eb8480 RBX: 0000000000000000 RCX: ffffffff81ed3a00
RDX: 0000000000000000 RSI: ffffffff81ed3aab RDI: 0000000000000001
RBP: ffff888086a27a08 R08: ffff8880a4eb8480 R09: 0000000000000000
R10: ffffed1010ddc3ff R11: ffff888086ee1fff R12: ffffea00021bb840
R13: ffffea00021bb848 R14: 0000000000000000 R15: ffffea00021ba7c8
 set_page_dirty+0x2e9/0x820 mm/page-writeback.c:2560
 set_page_dirty_lock+0x88/0xc0 mm/page-writeback.c:2585
 process_vm_rw_pages mm/process_vm_access.c:51 [inline]
 process_vm_rw_single_vec mm/process_vm_access.c:124 [inline]
 process_vm_rw_core.isra.0+0x527/0xb20 mm/process_vm_access.c:220
 process_vm_rw+0x21f/0x240 mm/process_vm_access.c:288
 __do_sys_process_vm_writev mm/process_vm_access.c:310 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:305 [inline]
 __x64_sys_process_vm_writev+0xe3/0x1a0 mm/process_vm_access.c:305
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8148aa6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457e29
RDX: 0000000000000001 RSI: 0000000020000040 RDI: 000000000000004c
RBP: 000000000073bfa0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00007f8148aa76d4
R13: 00000000004c4955 R14: 00000000004d8258 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..