diff for duplicates of <20180717191255.GH75957@gmail.com> diff --git a/a/1.txt b/N1/1.txt index fe507b5..d55dc5c 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -4,14 +4,14 @@ On Sun, Jul 08, 2018 at 05:42:13PM +0300, Kirill Tkhai wrote: > > > > syzbot found the following crash on: > > -> > HEAD commit: 526674536360 Add linux-next specific files for 20180706 -> > git tree: linux-next +> > HEAD commit: 526674536360 Add linux-next specific files for 20180706 +> > git tree: linux-next > > console output: https://syzkaller.appspot.com/x/log.txt?x=13e6a50c400000 -> > kernel config: https://syzkaller.appspot.com/x/.config?x=c8d1cfc0cb798e48 +> > kernel config: https://syzkaller.appspot.com/x/.config?x=c8d1cfc0cb798e48 > > dashboard link: https://syzkaller.appspot.com/bug?extid=5248ff94d8e3548ee995 -> > compiler: gcc (GCC) 8.0.1 20180413 (experimental) +> > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > > syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=13a08a78400000 -> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a08a78400000 +> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a08a78400000 > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > Reported-by: syzbot+5248ff94d8e3548ee995@syzkaller.appspotmail.com @@ -27,30 +27,30 @@ On Sun, Jul 08, 2018 at 05:42:13PM +0300, Kirill Tkhai wrote: > > CPU: 1 PID: 4505 Comm: syz-executor441 Not tainted 4.18.0-rc3-next-20180706+ #1 > > 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+0x1c9/0x2b4 lib/dump_stack.c:113 -> > print_address_description+0x6c/0x20b mm/kasan/report.c:256 -> > kasan_report_error mm/kasan/report.c:354 [inline] -> > kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412 -> > __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 -> > find_first_bit+0xf7/0x100 lib/find_bit.c:107 -> > shrink_slab_memcg mm/vmscan.c:580 [inline] -> > shrink_slab+0x5d0/0xdb0 mm/vmscan.c:672 -> > shrink_node+0x429/0x16a0 mm/vmscan.c:2736 -> > shrink_zones mm/vmscan.c:2965 [inline] -> > do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3027 -> > try_to_free_mem_cgroup_pages+0x49d/0xc90 mm/vmscan.c:3325 -> > memory_high_write+0x283/0x310 mm/memcontrol.c:5597 -> > cgroup_file_write+0x31f/0x840 kernel/cgroup/cgroup.c:3500 -> > kernfs_fop_write+0x2ba/0x480 fs/kernfs/file.c:316 -> > __vfs_write+0x117/0x9f0 fs/read_write.c:485 -> > vfs_write+0x1fc/0x560 fs/read_write.c:549 -> > ksys_write+0x101/0x260 fs/read_write.c:598 -> > __do_sys_write fs/read_write.c:610 [inline] -> > __se_sys_write fs/read_write.c:607 [inline] -> > __x64_sys_write+0x73/0xb0 fs/read_write.c:607 -> > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 -> > entry_SYSCALL_64_after_hwframe+0x49/0xbe +> > __dump_stack lib/dump_stack.c:77 [inline] +> > dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 +> > print_address_description+0x6c/0x20b mm/kasan/report.c:256 +> > kasan_report_error mm/kasan/report.c:354 [inline] +> > kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412 +> > __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 +> > find_first_bit+0xf7/0x100 lib/find_bit.c:107 +> > shrink_slab_memcg mm/vmscan.c:580 [inline] +> > shrink_slab+0x5d0/0xdb0 mm/vmscan.c:672 +> > shrink_node+0x429/0x16a0 mm/vmscan.c:2736 +> > shrink_zones mm/vmscan.c:2965 [inline] +> > do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3027 +> > try_to_free_mem_cgroup_pages+0x49d/0xc90 mm/vmscan.c:3325 +> > memory_high_write+0x283/0x310 mm/memcontrol.c:5597 +> > cgroup_file_write+0x31f/0x840 kernel/cgroup/cgroup.c:3500 +> > kernfs_fop_write+0x2ba/0x480 fs/kernfs/file.c:316 +> > __vfs_write+0x117/0x9f0 fs/read_write.c:485 +> > vfs_write+0x1fc/0x560 fs/read_write.c:549 +> > ksys_write+0x101/0x260 fs/read_write.c:598 +> > __do_sys_write fs/read_write.c:610 [inline] +> > __se_sys_write fs/read_write.c:607 [inline] +> > __x64_sys_write+0x73/0xb0 fs/read_write.c:607 +> > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 +> > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > RIP: 0033:0x4419d9 > > Code: e8 ec b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 > > RSP: 002b:00007ffcd44b9a78 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 @@ -61,52 +61,52 @@ On Sun, Jul 08, 2018 at 05:42:13PM +0300, Kirill Tkhai wrote: > > R13: 6c616b7a79732f2e R14: 0000000000000000 R15: 0000000000000000 > > > > Allocated by task 4504: -> > save_stack+0x43/0xd0 mm/kasan/kasan.c:448 -> > set_track mm/kasan/kasan.c:460 [inline] -> > kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 -> > __do_kmalloc_node mm/slab.c:3682 [inline] -> > __kmalloc_node+0x47/0x70 mm/slab.c:3689 -> > kmalloc_node include/linux/slab.h:555 [inline] -> > kvmalloc_node+0x65/0xf0 mm/util.c:423 -> > kvmalloc include/linux/mm.h:557 [inline] -> > kvzalloc include/linux/mm.h:565 [inline] -> > memcg_alloc_shrinker_maps mm/memcontrol.c:386 [inline] -> > mem_cgroup_css_online+0x169/0x3c0 mm/memcontrol.c:4685 -> > online_css+0x10c/0x350 kernel/cgroup/cgroup.c:4768 -> > css_create kernel/cgroup/cgroup.c:4839 [inline] -> > cgroup_apply_control_enable+0x777/0xe90 kernel/cgroup/cgroup.c:2987 -> > cgroup_mkdir+0x88a/0x1170 kernel/cgroup/cgroup.c:5029 -> > kernfs_iop_mkdir+0x159/0x1e0 fs/kernfs/dir.c:1099 -> > vfs_mkdir+0x42e/0x6b0 fs/namei.c:3874 -> > do_mkdirat+0x27b/0x310 fs/namei.c:3897 -> > __do_sys_mkdir fs/namei.c:3913 [inline] -> > __se_sys_mkdir fs/namei.c:3911 [inline] -> > __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3911 -> > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 -> > entry_SYSCALL_64_after_hwframe+0x49/0xbe +> > save_stack+0x43/0xd0 mm/kasan/kasan.c:448 +> > set_track mm/kasan/kasan.c:460 [inline] +> > kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 +> > __do_kmalloc_node mm/slab.c:3682 [inline] +> > __kmalloc_node+0x47/0x70 mm/slab.c:3689 +> > kmalloc_node include/linux/slab.h:555 [inline] +> > kvmalloc_node+0x65/0xf0 mm/util.c:423 +> > kvmalloc include/linux/mm.h:557 [inline] +> > kvzalloc include/linux/mm.h:565 [inline] +> > memcg_alloc_shrinker_maps mm/memcontrol.c:386 [inline] +> > mem_cgroup_css_online+0x169/0x3c0 mm/memcontrol.c:4685 +> > online_css+0x10c/0x350 kernel/cgroup/cgroup.c:4768 +> > css_create kernel/cgroup/cgroup.c:4839 [inline] +> > cgroup_apply_control_enable+0x777/0xe90 kernel/cgroup/cgroup.c:2987 +> > cgroup_mkdir+0x88a/0x1170 kernel/cgroup/cgroup.c:5029 +> > kernfs_iop_mkdir+0x159/0x1e0 fs/kernfs/dir.c:1099 +> > vfs_mkdir+0x42e/0x6b0 fs/namei.c:3874 +> > do_mkdirat+0x27b/0x310 fs/namei.c:3897 +> > __do_sys_mkdir fs/namei.c:3913 [inline] +> > __se_sys_mkdir fs/namei.c:3911 [inline] +> > __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3911 +> > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 +> > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > > > Freed by task 2873: -> > save_stack+0x43/0xd0 mm/kasan/kasan.c:448 -> > set_track mm/kasan/kasan.c:460 [inline] -> > __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521 -> > kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 -> > __cache_free mm/slab.c:3498 [inline] -> > kfree+0xd9/0x260 mm/slab.c:3813 -> > single_release+0x8f/0xb0 fs/seq_file.c:596 -> > __fput+0x35d/0x930 fs/file_table.c:215 -> > ____fput+0x15/0x20 fs/file_table.c:251 -> > task_work_run+0x1ec/0x2a0 kernel/task_work.c:113 -> > tracehook_notify_resume include/linux/tracehook.h:192 [inline] -> > exit_to_usermode_loop+0x313/0x370 arch/x86/entry/common.c:166 -> > prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] -> > syscall_return_slowpath arch/x86/entry/common.c:268 [inline] -> > do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 -> > entry_SYSCALL_64_after_hwframe+0x49/0xbe +> > save_stack+0x43/0xd0 mm/kasan/kasan.c:448 +> > set_track mm/kasan/kasan.c:460 [inline] +> > __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521 +> > kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 +> > __cache_free mm/slab.c:3498 [inline] +> > kfree+0xd9/0x260 mm/slab.c:3813 +> > single_release+0x8f/0xb0 fs/seq_file.c:596 +> > __fput+0x35d/0x930 fs/file_table.c:215 +> > ____fput+0x15/0x20 fs/file_table.c:251 +> > task_work_run+0x1ec/0x2a0 kernel/task_work.c:113 +> > tracehook_notify_resume include/linux/tracehook.h:192 [inline] +> > exit_to_usermode_loop+0x313/0x370 arch/x86/entry/common.c:166 +> > prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] +> > syscall_return_slowpath arch/x86/entry/common.c:268 [inline] +> > do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 +> > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > > > The buggy address belongs to the object at ffff8801d7548d40 -> > which belongs to the cache kmalloc-32 of size 32 +> > which belongs to the cache kmalloc-32 of size 32 > > The buggy address is located 16 bytes inside of -> > 32-byte region [ffff8801d7548d40, ffff8801d7548d60) +> > 32-byte region [ffff8801d7548d40, ffff8801d7548d60) > > The buggy address belongs to the page: > > page:ffffea00075d5200 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff8801d7548fc1 > > flags: 0x2fffc0000000100(slab) @@ -115,12 +115,12 @@ On Sun, Jul 08, 2018 at 05:42:13PM +0300, Kirill Tkhai wrote: > > page dumped because: kasan: bad access detected > > > > Memory state around the buggy address: -> > ffff8801d7548c00: 00 04 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc -> > ffff8801d7548c80: 00 05 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc +> > ffff8801d7548c00: 00 04 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc +> > ffff8801d7548c80: 00 05 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc > >> ffff8801d7548d00: 00 07 fc fc fc fc fc fc 00 00 05 fc fc fc fc fc -> > ^ -> > ffff8801d7548d80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc -> > ffff8801d7548e00: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc +> > ^ +> > ffff8801d7548d80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc +> > ffff8801d7548e00: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc > > ================================================================== > > Since find_first_bit() reads memory with unsigned long alignment, diff --git a/a/content_digest b/N1/content_digest index 2875f2e..e5164c6 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -28,14 +28,14 @@ "> > \n" "> > syzbot found the following crash on:\n" "> > \n" - "> > HEAD commit: 526674536360 Add linux-next specific files for 20180706\n" - "> > git tree: linux-next\n" + "> > HEAD commit:\302\240\302\240\302\240 526674536360 Add linux-next specific files for 20180706\n" + "> > git tree:\302\240\302\240\302\240\302\240\302\240\302\240 linux-next\n" "> > console output: https://syzkaller.appspot.com/x/log.txt?x=13e6a50c400000\n" - "> > kernel config: https://syzkaller.appspot.com/x/.config?x=c8d1cfc0cb798e48\n" + "> > kernel config:\302\240 https://syzkaller.appspot.com/x/.config?x=c8d1cfc0cb798e48\n" "> > dashboard link: https://syzkaller.appspot.com/bug?extid=5248ff94d8e3548ee995\n" - "> > compiler: gcc (GCC) 8.0.1 20180413 (experimental)\n" + "> > compiler:\302\240\302\240\302\240\302\240\302\240\302\240 gcc (GCC) 8.0.1 20180413 (experimental)\n" "> > syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=13a08a78400000\n" - "> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a08a78400000\n" + "> > C reproducer:\302\240\302\240 https://syzkaller.appspot.com/x/repro.c?x=17a08a78400000\n" "> > \n" "> > IMPORTANT: if you fix the bug, please add the following tag to the commit:\n" "> > Reported-by: syzbot+5248ff94d8e3548ee995@syzkaller.appspotmail.com\n" @@ -51,30 +51,30 @@ "> > CPU: 1 PID: 4505 Comm: syz-executor441 Not tainted 4.18.0-rc3-next-20180706+ #1\n" "> > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\n" "> > Call Trace:\n" - "> > __dump_stack lib/dump_stack.c:77 [inline]\n" - "> > dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113\n" - "> > print_address_description+0x6c/0x20b mm/kasan/report.c:256\n" - "> > kasan_report_error mm/kasan/report.c:354 [inline]\n" - "> > kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412\n" - "> > __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433\n" - "> > find_first_bit+0xf7/0x100 lib/find_bit.c:107\n" - "> > shrink_slab_memcg mm/vmscan.c:580 [inline]\n" - "> > shrink_slab+0x5d0/0xdb0 mm/vmscan.c:672\n" - "> > shrink_node+0x429/0x16a0 mm/vmscan.c:2736\n" - "> > shrink_zones mm/vmscan.c:2965 [inline]\n" - "> > do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3027\n" - "> > try_to_free_mem_cgroup_pages+0x49d/0xc90 mm/vmscan.c:3325\n" - "> > memory_high_write+0x283/0x310 mm/memcontrol.c:5597\n" - "> > cgroup_file_write+0x31f/0x840 kernel/cgroup/cgroup.c:3500\n" - "> > kernfs_fop_write+0x2ba/0x480 fs/kernfs/file.c:316\n" - "> > __vfs_write+0x117/0x9f0 fs/read_write.c:485\n" - "> > vfs_write+0x1fc/0x560 fs/read_write.c:549\n" - "> > ksys_write+0x101/0x260 fs/read_write.c:598\n" - "> > __do_sys_write fs/read_write.c:610 [inline]\n" - "> > __se_sys_write fs/read_write.c:607 [inline]\n" - "> > __x64_sys_write+0x73/0xb0 fs/read_write.c:607\n" - "> > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290\n" - "> > entry_SYSCALL_64_after_hwframe+0x49/0xbe\n" + "> > \302\240__dump_stack lib/dump_stack.c:77 [inline]\n" + "> > \302\240dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113\n" + "> > \302\240print_address_description+0x6c/0x20b mm/kasan/report.c:256\n" + "> > \302\240kasan_report_error mm/kasan/report.c:354 [inline]\n" + "> > \302\240kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412\n" + "> > \302\240__asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433\n" + "> > \302\240find_first_bit+0xf7/0x100 lib/find_bit.c:107\n" + "> > \302\240shrink_slab_memcg mm/vmscan.c:580 [inline]\n" + "> > \302\240shrink_slab+0x5d0/0xdb0 mm/vmscan.c:672\n" + "> > \302\240shrink_node+0x429/0x16a0 mm/vmscan.c:2736\n" + "> > \302\240shrink_zones mm/vmscan.c:2965 [inline]\n" + "> > \302\240do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3027\n" + "> > \302\240try_to_free_mem_cgroup_pages+0x49d/0xc90 mm/vmscan.c:3325\n" + "> > \302\240memory_high_write+0x283/0x310 mm/memcontrol.c:5597\n" + "> > \302\240cgroup_file_write+0x31f/0x840 kernel/cgroup/cgroup.c:3500\n" + "> > \302\240kernfs_fop_write+0x2ba/0x480 fs/kernfs/file.c:316\n" + "> > \302\240__vfs_write+0x117/0x9f0 fs/read_write.c:485\n" + "> > \302\240vfs_write+0x1fc/0x560 fs/read_write.c:549\n" + "> > \302\240ksys_write+0x101/0x260 fs/read_write.c:598\n" + "> > \302\240__do_sys_write fs/read_write.c:610 [inline]\n" + "> > \302\240__se_sys_write fs/read_write.c:607 [inline]\n" + "> > \302\240__x64_sys_write+0x73/0xb0 fs/read_write.c:607\n" + "> > \302\240do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290\n" + "> > \302\240entry_SYSCALL_64_after_hwframe+0x49/0xbe\n" "> > RIP: 0033:0x4419d9\n" "> > Code: e8 ec b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00\n" "> > RSP: 002b:00007ffcd44b9a78 EFLAGS: 00000217 ORIG_RAX: 0000000000000001\n" @@ -85,52 +85,52 @@ "> > R13: 6c616b7a79732f2e R14: 0000000000000000 R15: 0000000000000000\n" "> > \n" "> > Allocated by task 4504:\n" - "> > save_stack+0x43/0xd0 mm/kasan/kasan.c:448\n" - "> > set_track mm/kasan/kasan.c:460 [inline]\n" - "> > kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553\n" - "> > __do_kmalloc_node mm/slab.c:3682 [inline]\n" - "> > __kmalloc_node+0x47/0x70 mm/slab.c:3689\n" - "> > kmalloc_node include/linux/slab.h:555 [inline]\n" - "> > kvmalloc_node+0x65/0xf0 mm/util.c:423\n" - "> > kvmalloc include/linux/mm.h:557 [inline]\n" - "> > kvzalloc include/linux/mm.h:565 [inline]\n" - "> > memcg_alloc_shrinker_maps mm/memcontrol.c:386 [inline]\n" - "> > mem_cgroup_css_online+0x169/0x3c0 mm/memcontrol.c:4685\n" - "> > online_css+0x10c/0x350 kernel/cgroup/cgroup.c:4768\n" - "> > css_create kernel/cgroup/cgroup.c:4839 [inline]\n" - "> > cgroup_apply_control_enable+0x777/0xe90 kernel/cgroup/cgroup.c:2987\n" - "> > cgroup_mkdir+0x88a/0x1170 kernel/cgroup/cgroup.c:5029\n" - "> > kernfs_iop_mkdir+0x159/0x1e0 fs/kernfs/dir.c:1099\n" - "> > vfs_mkdir+0x42e/0x6b0 fs/namei.c:3874\n" - "> > do_mkdirat+0x27b/0x310 fs/namei.c:3897\n" - "> > __do_sys_mkdir fs/namei.c:3913 [inline]\n" - "> > __se_sys_mkdir fs/namei.c:3911 [inline]\n" - "> > __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3911\n" - "> > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290\n" - "> > entry_SYSCALL_64_after_hwframe+0x49/0xbe\n" + "> > \302\240save_stack+0x43/0xd0 mm/kasan/kasan.c:448\n" + "> > \302\240set_track mm/kasan/kasan.c:460 [inline]\n" + "> > \302\240kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553\n" + "> > \302\240__do_kmalloc_node mm/slab.c:3682 [inline]\n" + "> > \302\240__kmalloc_node+0x47/0x70 mm/slab.c:3689\n" + "> > \302\240kmalloc_node include/linux/slab.h:555 [inline]\n" + "> > \302\240kvmalloc_node+0x65/0xf0 mm/util.c:423\n" + "> > \302\240kvmalloc include/linux/mm.h:557 [inline]\n" + "> > \302\240kvzalloc include/linux/mm.h:565 [inline]\n" + "> > \302\240memcg_alloc_shrinker_maps mm/memcontrol.c:386 [inline]\n" + "> > \302\240mem_cgroup_css_online+0x169/0x3c0 mm/memcontrol.c:4685\n" + "> > \302\240online_css+0x10c/0x350 kernel/cgroup/cgroup.c:4768\n" + "> > \302\240css_create kernel/cgroup/cgroup.c:4839 [inline]\n" + "> > \302\240cgroup_apply_control_enable+0x777/0xe90 kernel/cgroup/cgroup.c:2987\n" + "> > \302\240cgroup_mkdir+0x88a/0x1170 kernel/cgroup/cgroup.c:5029\n" + "> > \302\240kernfs_iop_mkdir+0x159/0x1e0 fs/kernfs/dir.c:1099\n" + "> > \302\240vfs_mkdir+0x42e/0x6b0 fs/namei.c:3874\n" + "> > \302\240do_mkdirat+0x27b/0x310 fs/namei.c:3897\n" + "> > \302\240__do_sys_mkdir fs/namei.c:3913 [inline]\n" + "> > \302\240__se_sys_mkdir fs/namei.c:3911 [inline]\n" + "> > \302\240__x64_sys_mkdir+0x5c/0x80 fs/namei.c:3911\n" + "> > \302\240do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290\n" + "> > \302\240entry_SYSCALL_64_after_hwframe+0x49/0xbe\n" "> > \n" "> > Freed by task 2873:\n" - "> > save_stack+0x43/0xd0 mm/kasan/kasan.c:448\n" - "> > set_track mm/kasan/kasan.c:460 [inline]\n" - "> > __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521\n" - "> > kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528\n" - "> > __cache_free mm/slab.c:3498 [inline]\n" - "> > kfree+0xd9/0x260 mm/slab.c:3813\n" - "> > single_release+0x8f/0xb0 fs/seq_file.c:596\n" - "> > __fput+0x35d/0x930 fs/file_table.c:215\n" - "> > ____fput+0x15/0x20 fs/file_table.c:251\n" - "> > task_work_run+0x1ec/0x2a0 kernel/task_work.c:113\n" - "> > tracehook_notify_resume include/linux/tracehook.h:192 [inline]\n" - "> > exit_to_usermode_loop+0x313/0x370 arch/x86/entry/common.c:166\n" - "> > prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]\n" - "> > syscall_return_slowpath arch/x86/entry/common.c:268 [inline]\n" - "> > do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293\n" - "> > entry_SYSCALL_64_after_hwframe+0x49/0xbe\n" + "> > \302\240save_stack+0x43/0xd0 mm/kasan/kasan.c:448\n" + "> > \302\240set_track mm/kasan/kasan.c:460 [inline]\n" + "> > \302\240__kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521\n" + "> > \302\240kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528\n" + "> > \302\240__cache_free mm/slab.c:3498 [inline]\n" + "> > \302\240kfree+0xd9/0x260 mm/slab.c:3813\n" + "> > \302\240single_release+0x8f/0xb0 fs/seq_file.c:596\n" + "> > \302\240__fput+0x35d/0x930 fs/file_table.c:215\n" + "> > \302\240____fput+0x15/0x20 fs/file_table.c:251\n" + "> > \302\240task_work_run+0x1ec/0x2a0 kernel/task_work.c:113\n" + "> > \302\240tracehook_notify_resume include/linux/tracehook.h:192 [inline]\n" + "> > \302\240exit_to_usermode_loop+0x313/0x370 arch/x86/entry/common.c:166\n" + "> > \302\240prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]\n" + "> > \302\240syscall_return_slowpath arch/x86/entry/common.c:268 [inline]\n" + "> > \302\240do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293\n" + "> > \302\240entry_SYSCALL_64_after_hwframe+0x49/0xbe\n" "> > \n" "> > The buggy address belongs to the object at ffff8801d7548d40\n" - "> > which belongs to the cache kmalloc-32 of size 32\n" + "> > \302\240which belongs to the cache kmalloc-32 of size 32\n" "> > The buggy address is located 16 bytes inside of\n" - "> > 32-byte region [ffff8801d7548d40, ffff8801d7548d60)\n" + "> > \302\24032-byte region [ffff8801d7548d40, ffff8801d7548d60)\n" "> > The buggy address belongs to the page:\n" "> > page:ffffea00075d5200 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff8801d7548fc1\n" "> > flags: 0x2fffc0000000100(slab)\n" @@ -139,12 +139,12 @@ "> > page dumped because: kasan: bad access detected\n" "> > \n" "> > Memory state around the buggy address:\n" - "> > ffff8801d7548c00: 00 04 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc\n" - "> > ffff8801d7548c80: 00 05 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc\n" + "> > \302\240ffff8801d7548c00: 00 04 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc\n" + "> > \302\240ffff8801d7548c80: 00 05 fc fc fc fc fc fc 00 03 fc fc fc fc fc fc\n" "> >> ffff8801d7548d00: 00 07 fc fc fc fc fc fc 00 00 05 fc fc fc fc fc\n" - "> > ^\n" - "> > ffff8801d7548d80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc\n" - "> > ffff8801d7548e00: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc\n" + "> > \302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240\302\240 ^\n" + "> > \302\240ffff8801d7548d80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc\n" + "> > \302\240ffff8801d7548e00: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc\n" "> > ==================================================================\n" "> \n" "> Since find_first_bit() reads memory with unsigned long alignment,\n" @@ -177,4 +177,4 @@ "\n" - Eric -e2184b27d457f34a2e96f1a9d0c50418410e447218ef42ef2cfa4254b3f554d9 +95510c0d2aee1376d8c3e7389904e306503955dae106fb25b9a308c8bdafaeb8
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.