Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH vfs/for-next] vfs: fix vfs_get_single_reconf_super error handling | 2 (2) | 2019/09/06 03:01 |
WARNING in kfree | 0 (2) | 2019/09/01 14:06 |
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Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH vfs/for-next] vfs: fix vfs_get_single_reconf_super error handling | 2 (2) | 2019/09/06 03:01 |
WARNING in kfree | 0 (2) | 2019/09/01 14:06 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING in kfree (2) net | syz | done | done | 1 | 1737d | 1736d | 15/28 | fixed on 2020/06/28 13:52 |
------------[ cut here ]------------ virt_to_cache: Object is not a Slab page! WARNING: CPU: 0 PID: 8815 at mm/slab.h:473 virt_to_cache mm/slab.h:473 [inline] WARNING: CPU: 0 PID: 8815 at mm/slab.h:473 kfree+0x1d3/0x2c0 mm/slab.c:3748 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8815 Comm: syz-executor970 Not tainted 5.3.0-rc6-next-20190827 #74 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2dc/0x755 kernel/panic.c:220 __warn.cold+0x2f/0x3c kernel/panic.c:581 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:virt_to_cache mm/slab.h:473 [inline] RIP: 0010:kfree+0x1d3/0x2c0 mm/slab.c:3748 Code: 53 ff e9 67 fe ff ff 80 3d 5d e4 14 08 00 75 1c 48 c7 c6 a0 6c b5 87 48 c7 c7 d0 be a7 88 c6 05 46 e4 14 08 01 e8 d5 b8 96 ff <0f> 0b f6 c7 02 75 6d 48 83 3d 2e 23 46 07 00 0f 85 4b ff ff ff 0f RSP: 0018:ffff888089e978e8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815bd606 RDI: ffffed10113d2f0f RBP: ffff888089e97908 R08: ffff8880a03e0680 R09: ffffed1015d04109 R10: ffffed1015d04108 R11: ffff8880ae820847 R12: ffffffff81756100 R13: ffffffff829d0110 R14: ffff8880aa0bae80 R15: ffff88821b827170 debugfs_release_dentry+0x60/0x80 fs/debugfs/inode.c:194 __dentry_kill+0x3f7/0x600 fs/dcache.c:584 shrink_dentry_list+0x152/0x4a0 fs/dcache.c:1120 shrink_dcache_parent+0x23d/0x400 fs/dcache.c:1547 do_one_tree+0x16/0x40 fs/dcache.c:1601 shrink_dcache_for_umount+0x72/0x170 fs/dcache.c:1618 generic_shutdown_super+0x6d/0x370 fs/super.c:445 kill_anon_super+0x3e/0x60 fs/super.c:1104 kill_litter_super+0x50/0x60 fs/super.c:1113 deactivate_locked_super+0x95/0x100 fs/super.c:333 deactivate_super fs/super.c:364 [inline] deactivate_super+0x1b2/0x1d0 fs/super.c:360 put_fs_context+0xae/0x5b0 fs/fs_context.c:499 fscontext_release+0x51/0x70 fs/fsopen.c:73 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x904/0x2e60 kernel/exit.c:879 do_group_exit+0x135/0x360 kernel/exit.c:983 __do_sys_exit_group kernel/exit.c:994 [inline] __se_sys_exit_group kernel/exit.c:992 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:992 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x43fde8 Code: Bad RIP value. RSP: 002b:00007ffd9fbe5158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fde8 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004bf670 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/08/29 16:50 | linux-next | ed2393ca0910 | fd37b39e | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2019/08/29 16:11 | linux-next | ed2393ca0910 | fd37b39e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |