[LU-14306] sanity-sec test_52: BUG: Bad rss-counter state

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.14.0
• Severity: 3
• Assignee: Sebastien Buisson
• Reporter: Maloo

Description

This issue was created by maloo for S Buisson <[e-mail]>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/c31eb44e-b299-487e-99da-794b128f0cc5

Even if it does not fail, test_52 shows the following error in the console:

[  694.000072] BUG: Bad rss-counter state mm:0000000049598c66 idx:1 val:2
[  694.001372] BUG: Bad rss-counter state mm:0000000049598c66 idx:3 val:-2
[  694.009960] BUG: Bad rss-counter state mm:0000000049598c66 idx:1 val:2
[  694.011094] BUG: Bad rss-counter state mm:0000000049598c66 idx:3 val:-2
[  694.092732] BUG: Bad rss-counter state mm:00000000e37c077b idx:1 val:2
[  694.094024] BUG: Bad rss-counter state mm:00000000e37c077b idx:3 val:-2
[  694.124577] BUG: Bad rss-counter state mm:0000000049598c66 idx:1 val:2
[  694.125755] BUG: Bad rss-counter state mm:0000000049598c66 idx:3 val:-2
[  694.367283] BUG: Bad rss-counter state mm:0000000049598c66 idx:1 val:3
[  694.368441] BUG: Bad rss-counter state mm:0000000049598c66 idx:3 val:-3
[  694.376602] BUG: Bad rss-counter state mm:0000000084701c1b idx:1 val:3
[  694.377761] BUG: Bad rss-counter state mm:0000000084701c1b idx:3 val:-3

Also, from time to time, some pages are dumped, because of a nonzero mapcount:

[  700.614727] BUG: Bad page state in process lfs  pfn:3ca01
[  700.615774] page:ffffd87ac0f28040 refcount:0 mapcount:-1 mapping:0000000000000000 index:0x0
[  700.617194] flags: 0xfffffc0000000()
[  700.617850] raw: 000fffffc0000000 0000000000000000 ffffffffc0f20903 0000000000000000
[  700.622001] raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000
[  700.623329] page dumped because: nonzero mapcount
[  700.624155] Modules linked in: lustre(OE) obdecho(OE) mgc(OE) mdc(OE) lov(OE) osc(OE) lmv(OE) fid(OE) fld(OE) ptlrpc_gss(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) lnet(OE) libcfs(OE) rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache ib_isert iscsi_target_mod ib_srpt target_core_mod ib_srp scsi_transport_srp rpcrdma ib_iser ib_ipoib libiscsi scsi_transport_iscsi rdma_ucm ib_umad rdma_cm ib_cm iw_cm mlx4_ib ib_uverbs ib_core sunrpc intel_rapl_msr intel_rapl_common crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i2c_piix4 virtio_balloon joydev pcspkr ip_tables ext4 mbcache jbd2 mlx4_en ata_generic ata_piix 8139too mlx4_core libata crc32c_intel serio_raw 8139cp virtio_blk mii
[  700.633949] CPU: 1 PID: 45813 Comm: lfs Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-240.1.1.el8_3.x86_64 #1
[  700.635821] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[  700.636800] Call Trace:
[  700.637382]  dump_stack+0x5c/0x80
[  700.638015]  bad_page.cold.115+0xba/0xbf
[  700.638726]  __free_pages_ok+0x2c4/0x2d0
[  700.639436]  release_pages+0x305/0x430
[  700.640117]  ? cpumask_any_but+0x20/0x40
[  700.640819]  tlb_flush_mmu_free+0x3d/0x60
[  700.641539]  arch_tlb_finish_mmu+0x89/0x130
[  700.642277]  tlb_finish_mmu+0x1f/0x30
[  700.642931]  unmap_region+0xdd/0x110
[  700.643585]  ? __vma_rb_erase+0x127/0x250
[  700.644294]  do_munmap+0x256/0x440
[  700.644913]  vm_munmap+0x5f/0xa0
[  700.645499]  __x64_sys_munmap+0x22/0x30
[  700.646208]  do_syscall_64+0x5b/0x1a0
[  700.646887]  entry_SYSCALL_64_after_hwframe+0x65/0xca
[  700.647778] RIP: 0033:0x7f4035528a0b
[  700.648418] Code: ff ff 0f 1f 44 00 00 48 8b 15 79 54 2c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 6f ff ff ff f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4d 54 2c 00 f7 d8 64 89 01 48
[  700.651441] RSP: 002b:00007ffc550ab5f8 EFLAGS: 00000202 ORIG_RAX: 000000000000000b
[  700.652712] RAX: ffffffffffffffda RBX: 00007ffc550ab7e0 RCX: 00007f4035528a0b
[  700.653907] RDX: 0000000000000000 RSI: 0000000000402000 RDI: 00007f4034bfe000
[  700.655109] RBP: 0000000000000002 R08: 0000000000401010 R09: 00007ffc550ab4c0
[  700.656330] R10: 000000000000000a R11: 0000000000000202 R12: 0000000000000002
[  700.657530] R13: 00007ffc550ab6d0 R14: 00007f4034bff000 R15: 00007ffc550ab7e0
[  700.658764] Disabling lock debugging due to kernel taint

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
sanity-sec test_52 -

Issue Links

• is related to: LU-14045 Fix O_DIRECT and encrypted files