The kernel crashes in __delete_from_page_cache() with a message, "kernel BUG at mm/filemap.c:240!" following "WARNING: CPU: X PID: XXXXX at mm/mmap.c:3081 exit_mmap+0x196/0x1a0"

Issue

• The kernel crashes in __delete_from_page_cache() with a message, "kernel BUG at mm/filemap.c:240!" following "WARNING: CPU: X PID: XXXXX at mm/mmap.c:3081 exit_mmap+0x196/0x1a0"

[6274745.908600] ------------[ cut here ]------------
[6274745.908610] WARNING: CPU: 7 PID: 19889 at mm/mmap.c:3081 exit_mmap+0x196/0x1a0
[6274745.908611] Modules linked in: [...]
[6274745.908741] CPU: 7 PID: 19889 Comm: etxproxy Kdump: loaded Not tainted 3.10.0-1160.88.1.el7.x86_64 #1
[6274745.908742] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
[6274745.908743] Call Trace:
[6274745.908748]  [<ffffffff853b1bec>] dump_stack+0x19/0x1f
[6274745.908751]  [<ffffffff84c9f868>] __warn+0xd8/0x100
[6274745.908752]  [<ffffffff84c9f9ad>] warn_slowpath_null+0x1d/0x30
[6274745.908753]  [<ffffffff84e095b6>] exit_mmap+0x196/0x1a0
[6274745.908755]  [<ffffffff84c9c07f>] mmput+0x6f/0x100
[6274745.908756]  [<ffffffff84ca6128>] do_exit+0x288/0xa30
[6274745.908758]  [<ffffffff84d1a58f>] ? futex_wait+0x11f/0x290
[6274745.908759]  [<ffffffff84ca694f>] do_group_exit+0x3f/0xa0
[6274745.908762]  [<ffffffff84cb825e>] get_signal_to_deliver+0x1ce/0x5e0
[6274745.908764]  [<ffffffff84c2d5b7>] do_signal+0x57/0x6f0
[6274745.908766]  [<ffffffff84d1c2e6>] ? do_futex+0x106/0x4d0
[6274745.908769]  [<ffffffff853b7ca9>] ? schedule+0x29/0x70
[6274745.908770]  [<ffffffff84c2dcca>] do_notify_resume+0x7a/0xd0
[6274745.908772]  [<ffffffff853c56f7>] int_signal+0x12/0x17
[6274745.908773] ---[ end trace 20394bfe4dc4c20f ]---
[6274745.909937] BUG: Bad rss-counter state mm:ffff97a3d3673840 idx:0 val:1224
[6274745.910002] BUG: Bad rss-counter state mm:ffff97a3d3673840 idx:1 val:7161
[6274745.910020] BUG: Bad rss-counter state mm:ffff97a3d3673840 idx:3 val:579
[6274745.936453] ------------[ cut here ]------------
[6274745.936517] kernel BUG at mm/filemap.c:240!
[6274745.936534] invalid opcode: 0000 [#1] SMP 
[6274745.936557] Modules linked in: [...]
[6274745.937342] CPU: 0 PID: 31631 Comm: xterm Kdump: loaded Tainted: G        W      ------------   3.10.0-1160.88.1.el7.x86_64 #1
[6274745.937372] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
[6274745.937407] task: ffff97a2c1ced280 ti: ffff97a3a398c000 task.ti: ffff97a3a398c000
[6274745.937427] RIP: 0010:[<ffffffff84dca8a6>]  [<ffffffff84dca8a6>] __delete_from_page_cache+0x296/0x2b0
[6274745.937458] RSP: 0018:ffff97a3a398fad0  EFLAGS: 00010046
[6274745.937471] RAX: 0000000000000000 RBX: ffff97a72bf1bec8 RCX: 00000000ffffffb8
[6274745.937488] RDX: 000000000001fd60 RSI: 0000000000000018 RDI: ffff97a7bffda000
[6274745.937507] RBP: ffff97a3a398fb08 R08: 0000000000000048 R09: 0000000000000046
[6274745.937523] R10: 0000000000000230 R11: ffff97a4d1414870 R12: ffffedbd94afa400
[6274745.937542] R13: ffff97a72bf1bec0 R14: 0000000000000000 R15: 0000000000000000
[6274745.937562] FS:  0000000000000000(0000) GS:ffff97a79d600000(0000) knlGS:0000000000000000
[6274745.937584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[6274745.937610] CR2: 00007fcd9c9f2160 CR3: 0000000453410000 CR4: 0000000000760ff0
[6274745.937651] PKRU: 55555554
[6274745.937661] Call Trace:
[6274745.937670]  [<ffffffff84dca8fb>] delete_from_page_cache+0x3b/0x80
[6274745.938023]  [<ffffffff84dda1db>] truncate_inode_page+0x5b/0x90
[6274745.938042]  [<ffffffff84de6d73>] shmem_undo_range+0x2e3/0x750
[6274745.938060]  [<ffffffff84de71f4>] shmem_truncate_range+0x14/0x40
[6274745.938077]  [<ffffffff84de72df>] shmem_evict_inode+0xbf/0x140
[6274745.938094]  [<ffffffff84e7ab34>] evict+0xb4/0x180
[6274745.938106]  [<ffffffff84e7af6c>] iput+0xfc/0x190
[6274745.938119]  [<ffffffff84e75698>] __dentry_kill+0x158/0x1d0
[6274745.938132]  [<ffffffff84e75d49>] dput+0xb9/0x1b0
[6274745.938144]  [<ffffffff84e5dfb1>] __fput+0x191/0x230
[6274745.938160]  [<ffffffff84e5e13e>] ____fput+0xe/0x20
[6274745.938177]  [<ffffffff84cc7f6b>] task_work_run+0xbb/0xe0
[6274745.938191]  [<ffffffff84ca6174>] do_exit+0x2d4/0xa30
[6274745.938204]  [<ffffffff853bf7f8>] ? __do_page_fault+0x238/0x510
[6274745.938218]  [<ffffffff84ca694f>] do_group_exit+0x3f/0xa0
[6274745.939024]  [<ffffffff84ca69c4>] SyS_exit_group+0x14/0x20
[6274745.939744]  [<ffffffff853c539a>] system_call_fastpath+0x25/0x2a
[6274745.940440] Code: f7 fd ff ff 90 45 31 f6 e9 36 fe ff ff 48 8b 75 c8 48 89 df e8 9c 93 1d 00 84 c0 0f 85 69 fe ff ff e9 4d fe ff ff e8 fa 4c ed ff <0f> 0b 0f 1f 84 00 00 00 00 00 e8 04 22 5e 00 90 66 2e 0f 1f 84 
[6274745.942184] RIP  [<ffffffff84dca8a6>] __delete_from_page_cache+0x296/0x2b0
[6274745.942927]  RSP <ffff97a3a398fad0>