igt@gem_tiled_swapping@non-threaded - fail - BUG buffer_head (Not tainted): Redzone overwritten
Stdout
IGT-Version: 1.25-gf524eee47 (x86_64) (Linux: 5.8.0-rc1-g593c112156feb0-drmtip_523+ x86_64)
Stderr
Received signal SIGQUIT.
Stack trace:
#0 [fatal_sig_handler+0xd6]
#1 [killpg+0x40]
#2 [write+0x11]
#3 [intel_purge_vm_caches+0x81]
#4 [__real_main166+0x1ae]
#5 [main+0x27]
#6 [__libc_start_main+0xe7]
#7 [_start+0x2a]
Dmesg
<6> [193.534494] Console: switching to colour dummy device 80x25
<6> [193.535479] [IGT] gem_tiled_swapping: executing
<6> [193.550544] gem_tiled_swapp (1060): drop_caches: 4
<3> [193.809373] =============================================================================
<3> [193.809879] BUG buffer_head (Not tainted): Redzone overwritten
<3> [193.809932] -----------------------------------------------------------------------------
<4> [193.810012] Disabling lock debugging due to kernel taint
<3> [193.810016] INFO: 0x0000000077d2a755-0x0000000024a4a566 @offset=13104. First byte 0x0 instead of 0xcc
<3> [193.810041] INFO: Allocated in alloc_buffer_head+0x18/0x90 age=152748 cpu=0 pid=839
<3> [193.810060] __slab_alloc.isra.88.constprop.93+0x3d/0x70
<3> [193.810074] kmem_cache_alloc+0x25c/0x2c0
<3> [193.810085] alloc_buffer_head+0x18/0x90
<3> [193.810096] alloc_page_buffers+0xb4/0x270
<3> [193.810107] create_empty_buffers+0x14/0x190
<3> [193.810118] create_page_buffers+0x63/0xb0
<3> [193.810129] __block_write_begin_int+0xa3/0x630
<3> [193.810142] ext4_da_write_begin+0x18f/0x480
<3> [193.810155] generic_perform_write+0xb4/0x1c0
<3> [193.810167] ext4_buffered_write_iter+0x9c/0x130
<3> [193.810179] ext4_file_write_iter+0x5a/0x800
<3> [193.810193] new_sync_write+0x119/0x1b0
<3> [193.810204] vfs_write+0xbc/0x1d0
<3> [193.810213] ksys_write+0xa2/0xe0
<3> [193.810224] do_syscall_64+0x56/0xe0
<3> [193.810236] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<3> [193.810249] INFO: Slab 0x00000000ebcd62af objects=32 used=28 fp=0x00000000fb67caaa flags=0x4000000000010201
<3> [193.810270] INFO: Object 0x00000000657bc3b3 @offset=13112 fp=0x0000000000000000
<3> [193.810292] Redzone 00000000: 00 00 00 00 00 00 00 00 ........
<3> [193.810312] Object 00000000: 11 00 00 00 00 00 00 00 38 33 33 33 80 88 ff ff ........8333....
<3> [193.810332] Object 00000010: 40 12 4f 00 00 ea ff ff f6 37 92 01 00 00 00 00 @.O......7......
<3> [193.810353] Object 00000020: 00 10 00 00 00 00 00 00 00 90 c4 13 80 88 ff ff ................
<3> [193.810374] Object 00000030: 40 f4 41 3d 80 88 ff ff 00 00 00 00 00 00 00 00 @.A=............
<3> [193.810394] Object 00000040: 00 00 00 00 00 00 00 00 80 33 33 33 80 88 ff ff .........333....
<3> [193.810415] Object 00000050: 80 33 33 33 80 88 ff ff 00 00 00 00 00 00 00 00 .333............
<3> [193.810435] Object 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de .............N..
<3> [193.810456] Object 00000070: ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff ................
<3> [193.810476] Object 00000080: a0 ac df 83 ff ff ff ff d8 dd 08 83 ff ff ff ff ................
<3> [193.810497] Object 00000090: 00 00 00 00 00 00 00 00 14 d3 2f 82 ff ff ff ff ........../.....
<3> [193.810517] Object 000000a0: 00 00 02 00 00 00 00 00 ........
<3> [193.810537] Redzone 00000000: cc cc cc cc cc cc cc cc ........
<3> [193.810556] Padding 00000000: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
<4> [193.810577] CPU: 0 PID: 1060 Comm: gem_tiled_swapp Tainted: G B 5.8.0-rc1-g593c112156feb0-drmtip_523+ #1
<4> [193.810580] Hardware name: Dell Inc. OptiPlex 745 /0GW726, BIOS 2.3.1 05/21/2007
<4> [193.810582] Call Trace:
<4> [193.810588] dump_stack+0x78/0xab
<4> [193.810593] check_bytes_and_report+0xe5/0x120
<4> [193.810598] check_object+0x199/0x270
<4> [193.810602] free_debug_processing+0x178/0x490
<4> [193.810605] ? free_buffer_head+0x1c/0x60
<4> [193.810611] __slab_free+0x348/0x5c0
<4> [193.810615] ? _raw_spin_unlock_irqrestore+0x47/0x60
<4> [193.810619] ? lockdep_hardirqs_on+0x9e/0x120
<4> [193.810622] ? _raw_spin_unlock_irqrestore+0x34/0x60
<4> [193.810626] ? debug_check_no_obj_freed+0x121/0x210
<4> [193.810632] ? free_buffer_head+0x1c/0x60
<4> [193.810635] ? kmem_cache_free+0x251/0x3d0
<4> [193.810638] kmem_cache_free+0x251/0x3d0
<4> [193.810642] free_buffer_head+0x1c/0x60
<4> [193.810645] try_to_free_buffers+0xce/0x1b0
<4> [193.810650] invalidate_inode_page+0x93/0xf0
<4> [193.810653] invalidate_mapping_pages+0x17a/0x400
<4> [193.810660] ? __lock_acquire+0x90e/0x1f50
<4> [193.810674] drop_pagecache_sb+0xba/0x110
<4> [193.810678] ? do_coredump+0x1270/0x1270
<4> [193.810682] iterate_supers+0x87/0xf0
<4> [193.810686] drop_caches_sysctl_handler+0x60/0xa0
<4> [193.810690] proc_sys_call_handler+0xdc/0x190
<4> [193.810695] vfs_write+0xbc/0x1d0
<4> [193.810699] ksys_write+0xa2/0xe0
<4> [193.810703] do_syscall_64+0x56/0xe0
<4> [193.810707] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [193.810710] RIP: 0033:0x7f207d79b281
<4> [193.810712] Code: Bad RIP value.
<4> [193.810715] RSP: 002b:00007ffc327f3358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4> [193.810718] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f207d79b281
<4> [193.810720] RDX: 0000000000000002 RSI: 00007f207da212f3 RDI: 0000000000000008
<4> [193.810722] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
<4> [193.810724] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f207da212d7
<4> [193.810726] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
<3> [193.810735] FIX buffer_head: Restoring 0x0000000077d2a755-0x0000000024a4a566=0xcc
<3> [193.810816] FIX buffer_head: Object at 0x00000000657bc3b3 not freed
<6> [194.217701] Console: switching to colour frame buffer device 240x67