Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/05/18 | upstream (ToT) | 4d6d4c7f541d | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/05/18 | upstream (ToT) | 4d6d4c7f541d | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING in kvfree (2) ext4 | C | 47 | 580d | 632d | 22/28 | fixed on 2023/07/01 16:05 | ||
upstream | WARNING in kvfree nfs | 1 | 1528d | 1527d | 0/28 | auto-closed as invalid on 2021/01/29 15:55 |
EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE EXT4-fs (loop0): 1 truncate cleaned up EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4217 at mm/slab_common.c:923 free_large_kmalloc+0x34/0x15c mm/slab_common.c:924 Modules linked in: CPU: 0 PID: 4217 Comm: syz-executor366 Not tainted 6.1.27-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : free_large_kmalloc+0x34/0x15c mm/slab_common.c:924 lr : kfree+0x10c/0x1b8 mm/slab_common.c:1001 sp : ffff80001d9c74e0 x29: ffff80001d9c74e0 x28: ffff0000cb50dc00 x27: dfff800000000000 x26: 0000000000000020 x25: ffff0001b2e275a4 x24: 0000000000000020 x23: ffff0000cb50df00 x22: 0000000000000000 x21: ffff800008809f54 x20: ffff0001b2e275a4 x19: fffffc0006cb89c0 x18: ffff80001d9c69e0 x17: ffff80001558d000 x16: ffff8000120e6354 x15: ffff800008a69cdc x14: ffff800008a698ac x13: ffff800008061bb4 x12: 0000000000000003 x11: ff80800008098054 x10: 0000000000000000 x9 : 0000000006cb89c0 x8 : ffff800017ea4000 x7 : ffff800008061ea0 x6 : ffff8000080620b0 x5 : ffff0000cc8d4178 x4 : ffff80001d9c72b0 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff0001b2e275a4 x0 : fffffc0006cb89c0 Call trace: free_large_kmalloc+0x34/0x15c mm/slab_common.c:924 kfree+0x10c/0x1b8 mm/slab_common.c:1001 kvfree+0x40/0x50 mm/util.c:627 ext4_xattr_move_to_block fs/ext4/xattr.c:2629 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2692 [inline] ext4_expand_extra_isize_ea+0xcbc/0x1688 fs/ext4/xattr.c:2784 __ext4_expand_extra_isize+0x290/0x348 fs/ext4/inode.c:5890 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5933 [inline] __ext4_mark_inode_dirty+0x484/0x8fc fs/ext4/inode.c:6011 __ext4_unlink+0x758/0x988 fs/ext4/namei.c:3255 ext4_unlink+0x1d8/0x7d0 fs/ext4/namei.c:3298 vfs_unlink+0x2f0/0x508 fs/namei.c:4252 do_unlinkat+0x4c8/0x82c fs/namei.c:4320 __do_sys_unlinkat fs/namei.c:4363 [inline] __se_sys_unlinkat fs/namei.c:4356 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4356 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 19094 hardirqs last enabled at (19093): [<ffff80000896b310>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (19094): [<ffff8000120e200c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (18910): [<ffff800008032b74>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (18908): [<ffff800008032b40>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- object pointer: 0x00000000d64fdf11 ================================================================== BUG: KASAN: invalid-free in kfree+0x10c/0x1b8 mm/slab_common.c:1001 Free of addr ffff0001b2e275a4 by task syz-executor366/4217 CPU: 0 PID: 4217 Comm: syz-executor366 Tainted: G W 6.1.27-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report_invalid_free+0xc4/0x114 mm/kasan/report.c:460 __kasan_kfree_large+0xa4/0xc0 mm/kasan/common.c:272 kasan_kfree_large include/linux/kasan.h:185 [inline] free_large_kmalloc+0x70/0x15c mm/slab_common.c:927 kfree+0x10c/0x1b8 mm/slab_common.c:1001 kvfree+0x40/0x50 mm/util.c:627 ext4_xattr_move_to_block fs/ext4/xattr.c:2629 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2692 [inline] ext4_expand_extra_isize_ea+0xcbc/0x1688 fs/ext4/xattr.c:2784 __ext4_expand_extra_isize+0x290/0x348 fs/ext4/inode.c:5890 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5933 [inline] __ext4_mark_inode_dirty+0x484/0x8fc fs/ext4/inode.c:6011 __ext4_unlink+0x758/0x988 fs/ext4/namei.c:3255 ext4_unlink+0x1d8/0x7d0 fs/ext4/namei.c:3298 vfs_unlink+0x2f0/0x508 fs/namei.c:4252 do_unlinkat+0x4c8/0x82c fs/namei.c:4320 __do_sys_unlinkat fs/namei.c:4363 [inline] __se_sys_unlinkat fs/namei.c:4356 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4356 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 The buggy address belongs to the physical page: page:000000009404f30f refcount:3 mapcount:0 mapping:00000000793fb8c4 index:0x1 pfn:0x1f2e27 memcg:ffff0000c0930000 aops:def_blk_aops ino:700000 flags: 0x5ffc6000002204e(referenced|uptodate|dirty|workingset|private|mappedtodisk|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc6000002204e 0000000000000000 dead000000000122 ffff0000c054bf10 raw: 0000000000000001 ffff0000e24443a0 00000003ffffffff ffff0000c0930000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0001b2e27480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0001b2e27500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0001b2e27580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff0001b2e27600: 00 00 00 00
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/07 12:03 | linux-6.1.y | ca48fc16c493 | 90c93c40 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | WARNING in kvfree | |
2023/04/01 01:23 | linux-6.1.y | 3b29299e5f60 | f325deb0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in kvfree | ||
2023/03/31 14:04 | linux-6.1.y | 3b29299e5f60 | f325deb0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in kvfree |