From 17a98177e6c7e217936f052ee54b58543a4ca9e8 Mon Sep 17 00:00:00 2001 From: Alexander Potapenko Date: Tue, 4 Jul 2023 13:41:25 +0200 Subject: pkg/report: whack-a-mole folio-related functions Ignore the following functions: - folio_alloc - filemap_alloc_folio - __filemap_get_folio - find_or_create_page - do_read_cache_folio - read_cache_page - pagecache_get_page - grab_cache_page_write_begin that perform allocations within mm/filemap.c This is to defeat an overly eager report clusterization in https://syzkaller.appspot.com/bug?extid=828dfc12440b4f6f305d --- pkg/report/testdata/linux/report/699 | 93 ++++++++++++++++++++++++++++++++++++ pkg/report/testdata/linux/report/700 | 51 ++++++++++++++++++++ pkg/report/testdata/linux/report/701 | 50 +++++++++++++++++++ pkg/report/testdata/linux/report/702 | 62 ++++++++++++++++++++++++ pkg/report/testdata/linux/report/703 | 44 +++++++++++++++++ 5 files changed, 300 insertions(+) create mode 100644 pkg/report/testdata/linux/report/699 create mode 100644 pkg/report/testdata/linux/report/700 create mode 100644 pkg/report/testdata/linux/report/701 create mode 100644 pkg/report/testdata/linux/report/702 create mode 100644 pkg/report/testdata/linux/report/703 (limited to 'pkg/report/testdata/linux') diff --git a/pkg/report/testdata/linux/report/699 b/pkg/report/testdata/linux/report/699 new file mode 100644 index 000000000..6348f1479 --- /dev/null +++ b/pkg/report/testdata/linux/report/699 @@ -0,0 +1,93 @@ +TITLE: KMSAN: uninit-value in aes_encrypt +ALT: KMSAN origin in ext4_write_begin +ALT: bad-access in aes_encrypt + +[ 311.903743][ T5388] ===================================================== +[ 311.910990][ T5388] BUG: KMSAN: uninit-value in aes_encrypt+0x15cc/0x1db0 +[ 311.918092][ T5388] aes_encrypt+0x15cc/0x1db0 +[ 311.922836][ T5388] aesti_encrypt+0x7d/0xf0 +[ 311.927414][ T5388] crypto_ecb_encrypt+0x1e7/0x380 +[ 311.932606][ T5388] crypto_skcipher_encrypt+0xe0/0x150 +[ 311.938151][ T5388] xts_encrypt+0x3c4/0x540 +[ 311.942740][ T5388] crypto_skcipher_encrypt+0xe0/0x150 +[ 311.948274][ T5388] fscrypt_crypt_block+0x52c/0x900 +[ 311.953562][ T5388] fscrypt_encrypt_pagecache_blocks+0x3e7/0x8b0 +[ 311.959983][ T5388] ext4_bio_write_folio+0x1250/0x2ad0 +[ 311.965532][ T5388] ext4_do_writepages+0x3c5d/0x69b0 +[ 311.970900][ T5388] ext4_writepages+0x30c/0x810 +[ 311.975802][ T5388] do_writepages+0x428/0x870 +[ 311.980595][ T5388] filemap_fdatawrite_wbc+0x1d8/0x270 +[ 311.986134][ T5388] file_write_and_wait_range+0x205/0x3a0 +[ 311.991921][ T5388] ext4_sync_file+0x1f9/0x14e0 +[ 311.996861][ T5388] vfs_fsync_range+0x1fd/0x250 +[ 312.001771][ T5388] ext4_buffered_write_iter+0xb16/0xbe0 +[ 312.007499][ T5388] ext4_file_write_iter+0x2365/0x3400 +[ 312.013038][ T5388] __kernel_write_iter+0x323/0x930 +[ 312.018330][ T5388] dump_user_range+0x593/0xce0 +[ 312.023269][ T5388] elf_core_dump+0x59e8/0x5c60 +[ 312.028191][ T5388] do_coredump+0x31e1/0x4820 +[ 312.032961][ T5388] get_signal+0x2185/0x2bc0 +[ 312.037614][ T5388] arch_do_signal_or_restart+0x4f/0x920 +[ 312.043836][ T5388] exit_to_user_mode_loop+0xe8/0x320 +[ 312.049316][ T5388] exit_to_user_mode_prepare+0x163/0x220 +[ 312.055228][ T5388] irqentry_exit_to_user_mode+0xd/0x20 +[ 312.060930][ T5388] irqentry_exit+0x16/0x40 +[ 312.065532][ T5388] exc_page_fault+0x5a5/0x740 +[ 312.070485][ T5388] asm_exc_page_fault+0x2b/0x30 +[ 312.075545][ T5388] +[ 312.077939][ T5388] Uninit was stored to memory at: +[ 312.083173][ T5388] xts_xor_tweak+0x454/0xbe0 +[ 312.087940][ T5388] xts_encrypt+0x296/0x540 +[ 312.092528][ T5388] crypto_skcipher_encrypt+0xe0/0x150 +[ 312.098062][ T5388] fscrypt_crypt_block+0x52c/0x900 +[ 312.103330][ T5388] fscrypt_encrypt_pagecache_blocks+0x3e7/0x8b0 +[ 312.109740][ T5388] ext4_bio_write_folio+0x1250/0x2ad0 +[ 312.115300][ T5388] ext4_do_writepages+0x3c5d/0x69b0 +[ 312.120679][ T5388] ext4_writepages+0x30c/0x810 +[ 312.125580][ T5388] do_writepages+0x428/0x870 +[ 312.130355][ T5388] filemap_fdatawrite_wbc+0x1d8/0x270 +[ 312.135866][ T5388] file_write_and_wait_range+0x205/0x3a0 +[ 312.141648][ T5388] ext4_sync_file+0x1f9/0x14e0 +[ 312.146741][ T5388] vfs_fsync_range+0x1fd/0x250 +[ 312.151674][ T5388] ext4_buffered_write_iter+0xb16/0xbe0 +[ 312.157672][ T5388] ext4_file_write_iter+0x2365/0x3400 +[ 312.163216][ T5388] __kernel_write_iter+0x323/0x930 +[ 312.168514][ T5388] dump_user_range+0x593/0xce0 +[ 312.173451][ T5388] elf_core_dump+0x59e8/0x5c60 +[ 312.178369][ T5388] do_coredump+0x31e1/0x4820 +[ 312.183136][ T5388] get_signal+0x2185/0x2bc0 +[ 312.187811][ T5388] arch_do_signal_or_restart+0x4f/0x920 +[ 312.193568][ T5388] exit_to_user_mode_loop+0xe8/0x320 +[ 312.199047][ T5388] exit_to_user_mode_prepare+0x163/0x220 +[ 312.204885][ T5388] irqentry_exit_to_user_mode+0xd/0x20 +[ 312.210642][ T5388] irqentry_exit+0x16/0x40 +[ 312.215241][ T5388] exc_page_fault+0x5a5/0x740 +[ 312.220106][ T5388] asm_exc_page_fault+0x2b/0x30 +[ 312.225103][ T5388] +[ 312.227500][ T5388] Uninit was created at: +[ 312.231956][ T5388] __alloc_pages+0x9a4/0xe00 +[ 312.236757][ T5388] alloc_pages+0xd01/0x1040 +[ 312.241443][ T5388] folio_alloc+0x42/0x120 +[ 312.245942][ T5388] filemap_alloc_folio+0xa5/0x430 +[ 312.251122][ T5388] __filemap_get_folio+0x908/0x13a0 +[ 312.256494][ T5388] ext4_write_begin+0x3e5/0x2220 +[ 312.261662][ T5388] ext4_da_write_begin+0x4cd/0xec0 +[ 312.266920][ T5388] generic_perform_write+0x3df/0xbb0 +[ 312.272368][ T5388] ext4_buffered_write_iter+0x5ec/0xbe0 +[ 312.278079][ T5388] ext4_file_write_iter+0x2365/0x3400 +[ 312.283607][ T5388] __kernel_write_iter+0x323/0x930 +[ 312.288919][ T5388] dump_user_range+0x593/0xce0 +[ 312.293866][ T5388] elf_core_dump+0x59e8/0x5c60 +[ 312.298791][ T5388] do_coredump+0x31e1/0x4820 +[ 312.303740][ T5388] get_signal+0x2185/0x2bc0 +[ 312.308404][ T5388] arch_do_signal_or_restart+0x4f/0x920 +[ 312.314128][ T5388] exit_to_user_mode_loop+0xe8/0x320 +[ 312.319610][ T5388] exit_to_user_mode_prepare+0x163/0x220 +[ 312.325449][ T5388] irqentry_exit_to_user_mode+0xd/0x20 +[ 312.331544][ T5388] irqentry_exit+0x16/0x40 +[ 312.336124][ T5388] exc_page_fault+0x5a5/0x740 +[ 312.340963][ T5388] asm_exc_page_fault+0x2b/0x30 +[ 312.346047][ T5388] +[ 312.348435][ T5388] CPU: 1 PID: 5388 Comm: syz-executor.3 Not tainted 6.4.0-rc3-syzkaller-gf93f2feda5d6 #0 +[ 312.358397][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 +[ 312.368575][ T5388] ===================================================== diff --git a/pkg/report/testdata/linux/report/700 b/pkg/report/testdata/linux/report/700 new file mode 100644 index 000000000..1abfba7b5 --- /dev/null +++ b/pkg/report/testdata/linux/report/700 @@ -0,0 +1,51 @@ +TITLE: KMSAN: uninit-value in virtqueue_add +ALT: KMSAN origin in ext4_da_write_begin +ALT: bad-access in virtqueue_add + +[ 897.203644][ T1083] ===================================================== +[ 897.210960][ T1083] BUG: KMSAN: uninit-value in virtqueue_add+0x20e2/0x60f0 +[ 897.218269][ T1083] virtqueue_add+0x20e2/0x60f0 +[ 897.223210][ T1083] virtqueue_add_sgs+0x186/0x1a0 +[ 897.228331][ T1083] virtscsi_add_cmd+0x838/0xad0 +[ 897.233399][ T1083] virtscsi_queuecommand+0x895/0xa60 +[ 897.238953][ T1083] scsi_queue_rq+0x4931/0x5680 +[ 897.243961][ T1083] blk_mq_dispatch_rq_list+0x1184/0x39c0 +[ 897.249850][ T1083] __blk_mq_sched_dispatch_requests+0x1234/0x2670 +[ 897.254274][T12093] 8021q: adding VLAN 0 to HW filter on device bond3 +[ 897.256473][ T1083] blk_mq_sched_dispatch_requests+0x15d/0x2c0 +[ 897.269363][ T1083] blk_mq_run_work_fn+0xd0/0x280 +[ 897.274520][ T1083] process_one_work+0xb0d/0x1410 +[ 897.279631][ T1083] worker_thread+0x107e/0x1d60 +[ 897.284574][ T1083] kthread+0x3e8/0x540 +[ 897.288838][ T1083] ret_from_fork+0x1f/0x30 +[ 897.293448][ T1083] +[ 897.295857][ T1083] Uninit was created at: +[ 897.300327][ T1083] __alloc_pages+0x9a4/0xe00 +[ 897.305101][ T1083] alloc_pages+0xd01/0x1040 +[ 897.309775][ T1083] folio_alloc+0x42/0x120 +[ 897.314272][ T1083] filemap_alloc_folio+0xa5/0x430 +[ 897.319447][ T1083] __filemap_get_folio+0x908/0x13a0 +[ 897.324796][ T1083] ext4_da_write_begin+0x7f8/0xec0 +[ 897.330056][ T1083] generic_perform_write+0x3df/0xbb0 +[ 897.335517][ T1083] ext4_buffered_write_iter+0x5ec/0xbe0 +[ 897.341253][ T1083] ext4_file_write_iter+0x2365/0x3400 +[ 897.346786][ T1083] __kernel_write_iter+0x323/0x930 +[ 897.352106][ T1083] dump_user_range+0x593/0xce0 +[ 897.357049][ T1083] elf_core_dump+0x59e8/0x5c60 +[ 897.362000][ T1083] do_coredump+0x32c8/0x4910 +[ 897.367050][ T1083] get_signal+0x2185/0x2bc0 +[ 897.371757][ T1083] arch_do_signal_or_restart+0x4f/0x920 +[ 897.377514][ T1083] exit_to_user_mode_loop+0xe8/0x320 +[ 897.382999][ T1083] exit_to_user_mode_prepare+0x163/0x220 +[ 897.388832][ T1083] irqentry_exit_to_user_mode+0xd/0x20 +[ 897.394445][ T1083] irqentry_exit+0x16/0x40 +[ 897.398989][ T1083] exc_page_fault+0x5a5/0x740 +[ 897.403853][ T1083] asm_exc_page_fault+0x2b/0x30 +[ 897.408875][ T1083] +[ 897.411287][ T1083] Bytes 0-4095 of 4096 are uninitialized +[ 897.417019][ T1083] Memory access of size 4096 starts at ffff88813ebe8000 +[ 897.424064][ T1083] +[ 897.426466][ T1083] CPU: 1 PID: 1083 Comm: kworker/1:1H Not tainted 6.4.0-syzkaller-g257152fe29be #0 +[ 897.435948][ T1083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 +[ 897.446155][ T1083] Workqueue: kblockd blk_mq_run_work_fn +[ 897.451911][ T1083] ===================================================== diff --git a/pkg/report/testdata/linux/report/701 b/pkg/report/testdata/linux/report/701 new file mode 100644 index 000000000..a12d3869c --- /dev/null +++ b/pkg/report/testdata/linux/report/701 @@ -0,0 +1,50 @@ +TITLE: KMSAN: uninit-value in btrfs_bin_search +ALT: KMSAN origin in alloc_extent_buffer +ALT: bad-access in btrfs_bin_search + +[ 343.493742][ T5647] ===================================================== +[ 343.504878][ T5647] BUG: KMSAN: uninit-value in btrfs_bin_search+0x74c/0xb30 +[ 343.512398][ T5647] btrfs_bin_search+0x74c/0xb30 +[ 343.517419][ T5647] btrfs_search_slot+0x1a7e/0x4380 +[ 343.522920][ T5647] btrfs_insert_empty_items+0xb3/0x220 +[ 343.533629][ T5647] btrfs_create_new_inode+0x188e/0x3d30 +[ 343.539373][ T5647] btrfs_create_common+0x267/0x3b0 +[ 343.545492][ T5647] btrfs_create+0x16b/0x210 +[ 343.550222][ T5647] path_openat+0x2c9f/0x5a00 +[ 343.555132][ T5647] do_filp_open+0x20d/0x590 +[ 343.559801][ T5647] do_sys_openat2+0x1e9/0x8a0 +[ 343.564834][ T5647] __ia32_compat_sys_open+0x26c/0x2c0 +[ 343.570406][ T5647] __do_fast_syscall_32+0xa2/0x100 +[ 343.575896][ T5647] do_fast_syscall_32+0x37/0x80 +[ 343.580961][ T5647] do_SYSENTER_32+0x1f/0x30 +[ 343.585826][ T5647] entry_SYSENTER_compat_after_hwframe+0x70/0x82 +[ 343.592581][ T5647] +[ 343.594982][ T5647] Uninit was created at: +[ 343.599545][ T5647] __alloc_pages+0x9a4/0xe00 +[ 343.604450][ T5647] alloc_pages+0xd01/0x1040 +[ 343.609127][ T5647] folio_alloc+0x42/0x120 +[ 343.613794][ T5647] filemap_alloc_folio+0xa5/0x430 +[ 343.618978][ T5647] __filemap_get_folio+0x908/0x13a0 +[ 343.624491][ T5647] pagecache_get_page+0x4e/0x200 +[ 343.629596][ T5647] alloc_extent_buffer+0x725/0x3130 +[ 343.635150][ T5647] btrfs_find_create_tree_block+0x46/0x60 +[ 343.641046][ T5647] btrfs_alloc_tree_block+0x344/0x1d20 +[ 343.646850][ T5647] __btrfs_cow_block+0x562/0x1d50 +[ 343.652064][ T5647] btrfs_cow_block+0x7cc/0xa00 +[ 343.657182][ T5647] btrfs_search_slot+0x169d/0x4380 +[ 343.662605][ T5647] btrfs_insert_empty_items+0xb3/0x220 +[ 343.668276][ T5647] btrfs_create_new_inode+0x188e/0x3d30 +[ 343.674209][ T5647] btrfs_create_common+0x267/0x3b0 +[ 343.679522][ T5647] btrfs_create+0x16b/0x210 +[ 343.684355][ T5647] path_openat+0x2c9f/0x5a00 +[ 343.689111][ T5647] do_filp_open+0x20d/0x590 +[ 343.693940][ T5647] do_sys_openat2+0x1e9/0x8a0 +[ 343.698823][ T5647] __ia32_compat_sys_open+0x26c/0x2c0 +[ 343.704605][ T5647] __do_fast_syscall_32+0xa2/0x100 +[ 343.709914][ T5647] do_fast_syscall_32+0x37/0x80 +[ 343.715106][ T5647] do_SYSENTER_32+0x1f/0x30 +[ 343.719791][ T5647] entry_SYSENTER_compat_after_hwframe+0x70/0x82 +[ 343.726493][ T5647] +[ 343.728998][ T5647] CPU: 0 PID: 5647 Comm: syz-executor.3 Not tainted 6.4.0-syzkaller-g257152fe29be #0 +[ 343.738795][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 +[ 343.749083][ T5647] ===================================================== diff --git a/pkg/report/testdata/linux/report/702 b/pkg/report/testdata/linux/report/702 new file mode 100644 index 000000000..143ae90b9 --- /dev/null +++ b/pkg/report/testdata/linux/report/702 @@ -0,0 +1,62 @@ +TITLE: KMSAN: uninit-value in post_read_mst_fixup +ALT: KMSAN origin in map_mft_record +ALT: bad-access in post_read_mst_fixup + +[ 355.605345][ T5697] ===================================================== +[ 355.612721][ T5697] BUG: KMSAN: uninit-value in post_read_mst_fixup+0xab8/0xb70 +[ 355.623940][ T5697] post_read_mst_fixup+0xab8/0xb70 +[ 355.629281][ T5697] ntfs_end_buffer_async_read+0xe53/0x1820 +[ 355.645706][ T5697] end_bio_bh_io_sync+0x130/0x1d0 +[ 355.650946][ T5697] bio_endio+0xb17/0xb70 +[ 355.655617][ T5697] submit_bio_noacct+0x47d/0x2380 +[ 355.660893][ T5697] submit_bio+0x171/0x1c0 +[ 355.665546][ T5697] submit_bh_wbc+0x775/0x7e0 +[ 355.670377][ T5697] submit_bh+0x26/0x30 +[ 355.674786][ T5697] ntfs_read_folio+0x39d8/0x3ee0 +[ 355.679956][ T5697] filemap_read_folio+0xc7/0x360 +[ 355.685232][ T5697] do_read_cache_folio+0x6ad/0xc10 +[ 355.690555][ T5697] read_cache_page+0x63/0x210 +[ 355.695570][ T5697] map_mft_record+0x28b/0xe40 +[ 355.695694][ T5697] ntfs_read_locked_inode+0x355/0x58a0 +[ 355.715087][ T5697] ntfs_read_inode_mount+0x1b03/0x3640 +[ 355.720795][ T5697] ntfs_fill_super+0x2c43/0x45d0 +[ 355.726760][ T5697] mount_bdev+0x4e1/0x7f0 +[ 355.731446][ T5697] ntfs_mount+0x4d/0x60 +[ 355.735912][ T5697] legacy_get_tree+0x110/0x290 +[ 355.740895][ T5697] vfs_get_tree+0xa5/0x500 +[ 355.745625][ T5697] do_new_mount+0x68d/0x1540 +[ 355.750425][ T5697] path_mount+0x725/0x1ee0 +[ 355.755141][ T5697] __se_sys_mount+0x725/0x810 +[ 355.760036][ T5697] __ia32_sys_mount+0xe3/0x150 +[ 355.765112][ T5697] __do_fast_syscall_32+0xa2/0x100 +[ 355.770499][ T5697] do_fast_syscall_32+0x37/0x80 +[ 355.775677][ T5697] do_SYSENTER_32+0x1f/0x30 +[ 355.780485][ T5697] entry_SYSENTER_compat_after_hwframe+0x70/0x82 +[ 355.787250][ T5697] +[ 355.789676][ T5697] Uninit was created at: +[ 355.794296][ T5697] __alloc_pages+0x9a4/0xe00 +[ 355.799125][ T5697] alloc_pages+0xd01/0x1040 +[ 355.803947][ T5697] folio_alloc+0x42/0x120 +[ 355.808493][ T5697] filemap_alloc_folio+0xa5/0x430 +[ 355.813824][ T5697] do_read_cache_folio+0x14b/0xc10 +[ 355.819144][ T5697] read_cache_page+0x63/0x210 +[ 355.824139][ T5697] map_mft_record+0x28b/0xe40 +[ 355.829027][ T5697] ntfs_read_locked_inode+0x355/0x58a0 +[ 355.834784][ T5697] ntfs_read_inode_mount+0x1b03/0x3640 +[ 355.840455][ T5697] ntfs_fill_super+0x2c43/0x45d0 +[ 355.845714][ T5697] mount_bdev+0x4e1/0x7f0 +[ 355.850247][ T5697] ntfs_mount+0x4d/0x60 +[ 355.854719][ T5697] legacy_get_tree+0x110/0x290 +[ 355.859711][ T5697] vfs_get_tree+0xa5/0x500 +[ 355.864447][ T5697] do_new_mount+0x68d/0x1540 +[ 355.864564][ T5697] path_mount+0x725/0x1ee0 +[ 355.883761][ T5697] __se_sys_mount+0x725/0x810 +[ 355.888657][ T5697] __ia32_sys_mount+0xe3/0x150 +[ 355.893735][ T5697] __do_fast_syscall_32+0xa2/0x100 +[ 355.899074][ T5697] do_fast_syscall_32+0x37/0x80 +[ 355.904247][ T5697] do_SYSENTER_32+0x1f/0x30 +[ 355.908985][ T5697] entry_SYSENTER_compat_after_hwframe+0x70/0x82 +[ 355.915668][ T5697] +[ 355.918097][ T5697] CPU: 0 PID: 5697 Comm: syz-executor.5 Not tainted 6.4.0-rc4-syzkaller-g2741f1b02117 #0 +[ 355.928237][ T5697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 +[ 355.938565][ T5697] ===================================================== diff --git a/pkg/report/testdata/linux/report/703 b/pkg/report/testdata/linux/report/703 new file mode 100644 index 000000000..e83e75f1e --- /dev/null +++ b/pkg/report/testdata/linux/report/703 @@ -0,0 +1,44 @@ +TITLE: KMSAN: uninit-value in nilfs_add_checksums_on_logs +ALT: KMSAN origin in block_write_begin +ALT: bad-access in nilfs_add_checksums_on_logs + +[ 417.716144][ T7542] ===================================================== +[ 417.723574][ T7542] BUG: KMSAN: uninit-value in crc32_le_base+0x43c/0xd80 +[ 417.730751][ T7542] crc32_le_base+0x43c/0xd80 +[ 417.736320][ T7542] nilfs_add_checksums_on_logs+0xb2c/0xe70 +[ 417.742485][ T7542] nilfs_segctor_do_construct+0x9d40/0xde70 +[ 417.748637][ T7542] nilfs_segctor_construct+0x1eb/0xe30 +[ 417.754533][ T7542] nilfs_segctor_thread+0xc3f/0x11d0 +[ 417.759973][ T7542] kthread+0x3e8/0x540 +[ 417.764376][ T7542] ret_from_fork+0x1f/0x30 +[ 417.768957][ T7542] +[ 417.771436][ T7542] Uninit was created at: +[ 417.776266][ T7542] __alloc_pages+0x9a4/0xe00 +[ 417.781139][ T7542] alloc_pages+0xd01/0x1040 +[ 417.786289][ T7542] folio_alloc+0x42/0x120 +[ 417.790797][ T7542] filemap_alloc_folio+0xa5/0x430 +[ 417.796243][ T7542] __filemap_get_folio+0x908/0x13a0 +[ 417.801608][ T7542] pagecache_get_page+0x4e/0x200 +[ 417.806790][ T7542] grab_cache_page_write_begin+0x55/0x70 +[ 417.812679][ T7542] block_write_begin+0x4f/0x450 +[ 417.817709][ T7542] nilfs_write_begin+0xfc/0x200 +[ 417.823019][ T7542] generic_perform_write+0x3df/0xbb0 +[ 417.828552][ T7542] __generic_file_write_iter+0x393/0x920 +[ 417.834517][ T7542] generic_file_write_iter+0x103/0x5b0 +[ 417.840153][ T7542] __kernel_write_iter+0x323/0x930 +[ 417.846023][ T7542] dump_user_range+0x593/0xce0 +[ 417.850960][ T7542] elf_core_dump+0x59e8/0x5c60 +[ 417.856061][ T7542] do_coredump+0x31e1/0x4820 +[ 417.860947][ T7542] get_signal+0x2185/0x2bc0 +[ 417.865727][ T7542] arch_do_signal_or_restart+0x4f/0x920 +[ 417.871477][ T7542] exit_to_user_mode_loop+0xe8/0x320 +[ 417.877416][ T7542] exit_to_user_mode_prepare+0x163/0x220 +[ 417.883609][ T7542] syscall_exit_to_user_mode+0x2a/0x140 +[ 417.889495][ T7542] __do_fast_syscall_32+0xb1/0x100 +[ 417.894973][ T7542] do_fast_syscall_32+0x37/0x80 +[ 417.900003][ T7542] do_SYSENTER_32+0x1f/0x30 +[ 417.904770][ T7542] entry_SYSENTER_compat_after_hwframe+0x70/0x82 +[ 417.911371][ T7542] +[ 417.913864][ T7542] CPU: 0 PID: 7542 Comm: segctord Not tainted 6.4.0-rc4-syzkaller-g2741f1b02117 #0 +[ 417.923920][ T7542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 +[ 417.934289][ T7542] ===================================================== -- cgit mrf-deployment