BUG: unable to handle kernel paging request in __ext4_expand_extra

Title	Replies (including bot)	Last reply
[PATCH 4.19 000/321] 4.19.88-stable review	352 (352)	2020/02/09 12:41
[PATCH 4.4 00/76] 4.4.211-stable review	81 (81)	2020/01/22 20:52
[PATCH 4.9 00/97] 4.9.211-stable review	102 (102)	2020/01/22 20:52
[PATCH 3.16 00/63] 3.16.81-rc1 review	68 (68)	2020/01/10 16:01
[PATCH 4.14 000/209] 4.14.158-stable review	223 (223)	2019/12/10 00:52
[PATCH 5.4 00/46] 5.4.2-stable review	58 (58)	2019/12/06 13:05
[PATCH 5.3 000/135] 5.3.15-stable review	140 (140)	2019/12/04 19:13
[PATCH] ext4: add more paranoia checking in ext4_expand_extra_isize handling	6 (6)	2019/11/19 04:36
BUG: unable to handle kernel paging request in __ext4_expand_extra_isize	0 (1)	2019/10/21 05:24

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	BUG: unable to handle kernel paging request in __ext4_expand_extra_isize				1	1621d	1621d	0/1	auto-closed as invalid on 2020/03/13 17:51

linux-4.19

BUG: unable to handle kernel paging request in __ext4_expand_extra_isize

1621d

0/1

auto-closed as invalid on 2020/03/13 17:51

BUG: unable to handle page fault for address: ffffed1018000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21fff0067 P4D 21fff0067 PUD 12fff9067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8818 Comm: syz-executor.4 Not tainted 5.4.0-rc1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memory_is_nonzero mm/kasan/generic.c:121 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x9c/0x1a0 mm/kasan/generic.c:192 Code: c9 4d 0f 49 c1 49 c1 f8 03 45 85 c0 0f 84 10 01 00 00 41 83 e8 01 4e 8d 44 c0 08 eb 0d 48 83 c0 08 4c 39 c0 0f 84 a7 00 00 00 <48> 83 38 00 74 ed 4c 8d 40 08 eb 09 48 83 c0 01 49 39 c0 74 53 80 RSP: 0018:ffff888067037ae8 EFLAGS: 00010287 RAX: ffffed1018000000 RBX: ffffed101ffc3ab0 RCX: ffffffff81f9c14b RDX: 0000000000000001 RSI: 000000003fffffe0 RDI: ffff8880bfe1d5a0 RBP: ffff888067037b00 R08: ffffed101ffc3ab0 R09: 0000000007fffff8 R10: ffffed101ffc3aaf R11: ffff8880ffe1d57f R12: ffffed1017fc3ab4 R13: 0000000000000004 R14: 0000000000000000 R15: ffff888089bf3950 FS: 00000000010e7940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1018000000 CR3: 00000000677f3000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memset+0x24/0x40 mm/kasan/common.c:105 memset include/linux/string.h:344 [inline] __ext4_expand_extra_isize+0x1ab/0x290 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5976 [inline] ext4_mark_inode_dirty+0x74e/0x9b0 fs/ext4/inode.c:6052 ext4_unlink fs/ext4/namei.c:3195 [inline] ext4_unlink+0xce6/0x10e0 fs/ext4/namei.c:3140 vfs_unlink+0x2d7/0x620 fs/namei.c:3991 do_unlinkat+0x3f7/0x6d0 fs/namei.c:4055 __do_sys_unlink fs/namei.c:4102 [inline] __se_sys_unlink fs/namei.c:4100 [inline] __x64_sys_unlink+0x42/0x50 fs/namei.c:4100 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459777 Code: 00 66 90 b8 58 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe12e0a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000459777 RDX: 00007ffe12e0a7b0 RSI: 00007ffe12e0a7b0 RDI: 00007ffe12e0a840 RBP: 0000000000000877 R08: 0000000000000000 R09: 0000000000000010 R10: 000000000000000a R11: 0000000000000246 R12: 00007ffe12e0b8d0 R13: 00000000010e8940 R14: 0000000000000000 R15: 00007ffe12e0b8d0 Modules linked in: CR2: ffffed1018000000 ---[ end trace bdf4c1ab65ec2470 ]--- RIP: 0010:memory_is_nonzero mm/kasan/generic.c:121 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x9c/0x1a0 mm/kasan/generic.c:192 Code: c9 4d 0f 49 c1 49 c1 f8 03 45 85 c0 0f 84 10 01 00 00 41 83 e8 01 4e 8d 44 c0 08 eb 0d 48 83 c0 08 4c 39 c0 0f 84 a7 00 00 00 <48> 83 38 00 74 ed 4c 8d 40 08 eb 09 48 83 c0 01 49 39 c0 74 53 80 RSP: 0018:ffff888067037ae8 EFLAGS: 00010287 RAX: ffffed1018000000 RBX: ffffed101ffc3ab0 RCX: ffffffff81f9c14b RDX: 0000000000000001 RSI: 000000003fffffe0 RDI: ffff8880bfe1d5a0 RBP: ffff888067037b00 R08: ffffed101ffc3ab0 R09: 0000000007fffff8 R10: ffffed101ffc3aaf R11: ffff8880ffe1d57f R12: ffffed1017fc3ab4 R13: 0000000000000004 R14: 0000000000000000 R15: ffff888089bf3950 FS: 00000000010e7940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1018000000 CR3: 00000000677f3000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (6):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Manager
2019/10/01 08:51	upstream	54ecb8f7028c	c7a4fb99	.config	console log	report	ci-upstream-kasan-gce-root
2019/09/15 17:22	upstream	1609d7604b84	32d59357	.config	console log	report	ci-upstream-kasan-gce-root
2019/09/07 20:20	upstream	1e3778cb223e	a60cb4cd	.config	console log	report	ci-upstream-kasan-gce-root
2019/03/16 05:41	upstream	6c83d0d5eb62	bab43553	.config	console log	report	ci-upstream-kasan-gce-smack-root
2018/11/19 06:52	upstream	c67a98c00ea3	adf636a8	.config	console log	report	ci-upstream-kasan-gce-root
2018/10/09 15:17	upstream	64c5e530ac2c	8b311eaf	.config	console log	report	ci-upstream-kasan-gce-smack-root

Crashes (6):

Assets (help?)