Corrupted XFS journal can cause a kernel crash
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| [c0000001503e3500] [c000000000256b84] cache_alloc_refill+0x104/0x480 (unreliable) | [c0000001503e35a0] [c000000000258bbc] __kmalloc+0x25c/0x2b0 | [c0000001503e3600] [d000000009405ffc] kmem_alloc+0x9c/0x130 [xfs] | [c0000001503e3680] [d000000009451dec] xlog_recover_add_to_trans+0x6c/0x2c0 [xfs] | [c0000001503e3710] [d000000009458084] xlog_recover_process_data+0x2f4/0x3c0 [xfs] | [c0000001503e37e0] [d00000000945856c] xlog_do_recovery_pass+0x41c/0x5c0 [xfs] | [c0000001503e3900] [d0000000094587b8] xlog_do_log_recovery+0xa8/0x120 [xfs] | [c0000001503e3940] [d000000009458874] xlog_do_recover+0x44/0x180 [xfs] | [c0000001503e3990] [d000000009458a5c] xlog_recover+0xac/0x120 [xfs] | [c0000001503e3a10] [d00000000945e9fc] xfs_log_mount+0x10c/0x2e0 [xfs] | [c0000001503e3a90] [d0000000093fd608] xfs_mountfs+0x428/0x7e0 [xfs] | [c0000001503e3b30] [d000000009402044] xfs_fs_fill_super+0x344/0x410 [xfs] | [c0000001503e3b90] [c0000000002825d4] mount_bdev+0x234/0x270 | [c0000001503e3c10] [d0000000093ff758] xfs_fs_mount+0x48/0x60 [xfs] | [c0000001503e3c50] [c00000000028359c] mount_fs+0x8c/0x230 | [c0000001503e3cf0] [c0000000002aa368] vfs_kern_mount+0x78/0x140 | [c0000001503e3d40] [c0000000002ad9b8] do_mount+0x2f8/0xc60 | [c0000001503e3dd0] [c0000000002ae3dc] SyS_mount+0xbc/0x140 | [c0000001503e3e30] [c00000000000a17c] syscall_exit+0x0/0x7c
The crash can also be observed when a storage disk with a corrupt XFS journal is being mounted on a machine with SLES 12 SP1 already installed.
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- Document ID:7017195
- Creation Date:26-JAN-16
- Modified Date:21-JUN-16
- SUSESUSE Linux Enterprise Server
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