FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 3f5d849cb0b7e177c363f0c36732326f184b495b ("mm: memcontrol: switch to the updated jump-label API") +------------------------------------------------+------------+------------+ | | bf344f1f72 | 3f5d849cb0 | +------------------------------------------------+------------+------------+ | boot_successes | 4 | 3 | | boot_failures | 50 | 53 | | IP-Config:Auto-configuration_of_network_failed | 50 | 52 | | BUG:kernel_test_crashed | 0 | 1 | | kernel_BUG_at_mm/filemap.c | 0 | 1 | | invalid_opcode:#[##]SMP | 0 | 1 | | RIP:unlock_page | 0 | 1 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 1 | +------------------------------------------------+------------+------------+ It is possible that this is a false positive, because the reproduction is too low 1/48. [ 13.114169] page:ffff8800135f1780 count:18 mapcount:10 mapping:ffff880015b25e71 index:0x7f08a73a0 [ 13.115380] flags: 0x40068(uptodate|lruudevd[203]: worker [224] did not accept message -1 (Connection refused), kill it |active|swapbacked) [ 13.117074] page dumped because: VM_BUG_ON_PAGE(!PageLocked(page)) [ 13.117914] ------------[ cut here ]------------ [ 13.118536] kernel BUG at mm/filemap.c:812! [ 13.119313] invalid opcode: 0000 [#1] SMP [ 13.119315] Modules linked in: [ 13.119319] CPU: 0 PID: 210 Comm: udevd Not tainted 4.4.0-rc4-00234-g3f5d849 #1 [ 13.119320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 13.119322] task: ffff88000ba80000 ti: ffff880015bcc000 task.ti: ffff880015bcc000 [ 13.119329] RIP: 0010:[<ffffffff811aab94>] [<ffffffff811aab94>] unlock_page+0x25/0x6c [ 13.119330] RSP: 0018:ffff880015bcfdf8 EFLAGS: 00010202 [ 13.119331] RAX: 0000000000000036 RBX: 0000000000000000 RCX: 0000000000000000 [ 13.119333] RDX: 0000000000000036 RSI: 0000000000000001 RDI: 0000000000000202 [ 13.119334] RBP: ffff880015bcfdf8 R08: 0000000000000001 R09: 0000000000000000 [ 13.119335] R10: 0000000000000000 R11: ffffffff82a7332d R12: ffff8800135f1780 [ 13.119339] R13: ffff880015848070 R14: ffff8800158099c8 R15: ffff880015807228 [ 13.119341] FS: 00007f08a75bb7c0(0000) GS:ffff880014000000(0000) knlGS:0000000000000000 [ 13.119343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.119344] CR2: 00007f08a616c120 CR3: 0000000015b41000 CR4: 00000000000006b0 [ 13.119348] Stack: [ 13.119351] ffff880015bcfe90 ffffffff811d70b2 ffff880015bf6000 000000550ba80000 [ 13.119354] ffff880015929d00 8000000003cde065 00007f08a73a0570 ffffffffffff9abb [ 13.119359] 00007f08a73a0570 00007f08a73a0570 ffff880015bf6000 0000000000000007 [ 13.119360] Call Trace: [ 13.119365] [<ffffffff811d70b2>] handle_mm_fault+0x1047/0x1275 [ 13.119369] [<ffffffff811ce2df>] ? vmacache_update+0x17/0x43 [ 13.119373] [<ffffffff810671bf>] __do_page_fault+0x393/0x69d [ 13.119375] [<ffffffff81067577>] do_page_fault+0xae/0xfe [ 13.119380] [<ffffffff8105fb8c>] do_async_page_fault+0x2d/0x13d [ 13.119385] [<ffffffff81664625>] async_page_fault+0x25/0x30 [ 13.119429] Code: 49 93 01 5b 5d c3 48 8b 07 55 48 89 e5 a8 01 75 23 48 c7 c6 12 2a a0 81 48 ff 05 78 52 93 01 e8 96 54 02 00 48 ff 05 7c 52 93 01 <0f> 0b 48 ff 05 7b 52 93 01 48 ff 05 64 52 93 01 48 ff 05 55 44 [ 13.119432] RIP [<ffffffff811aab94>] unlock_page+0x25/0x6c [ 13.119433] RSP <ffff880015bcfdf8> [ 13.119463] ---[ end trace 7ca816d6bf2bf439 ]--- [ 13.119465] Kernel panic - not syncing: Fatal exception [ 13.120161] Kernel Offset: disabled Thanks, Ying Huang