syzbot


WARNING in __vmalloc_node_range

Status: auto-closed as invalid on 2020/05/26 06:50
Reported-by: syzbot+cafef9e5e435677f4b37@syzkaller.appspotmail.com
First crash: 1047d, last: 1047d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __vmalloc_node_range C 7 581d 582d 22/24 fixed on 2021/11/10 00:50
android-49 WARNING in __vmalloc_node_range 2 1120d 1239d 0/3 auto-closed as invalid on 2020/03/14 05:15
android-44 WARNING in __vmalloc_node_range 9 1119d 1280d 0/2 auto-closed as invalid on 2020/03/15 17:57
linux-4.19 WARNING in __vmalloc_node_range 1 1134d 1134d 0/1 auto-closed as invalid on 2020/02/29 17:15

Sample crash report:
syz1
gfs2: can't parse mount arguments
 mems_allowed=0-1
------------[ cut here ]------------
CPU: 1 PID: 10812 Comm: syz-executor.1 Not tainted 4.14.167-syzkaller #0
WARNING: CPU: 0 PID: 10817 at fs/super.c:1163 kill_block_super+0xc9/0xf0 fs/super.c:1163
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Kernel panic - not syncing: panic_on_warn set ...

Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248
 __vmalloc_node_range mm/vmalloc.c:1786 [inline]
 __vmalloc_node_range+0x3c3/0x6a0 mm/vmalloc.c:1746
 __vmalloc_node mm/vmalloc.c:1815 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1829 [inline]
 vmalloc+0x46/0x50 mm/vmalloc.c:1851
 sel_write_load+0x1a0/0x1050 security/selinux/selinuxfs.c:495
 __vfs_write+0x105/0x6b0 fs/read_write.c:480
 vfs_write+0x198/0x500 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xfd/0x230 fs/read_write.c:582
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b349
RSP: 002b:00007f76bb2b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f76bb2b56d4 RCX: 000000000045b349
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000cb1 R14: 00000000004cd905 R15: 000000000075bf2c
CPU: 0 PID: 10817 Comm: syz-executor.3 Not tainted 4.14.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
syz-executor.1: 
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x2f/0x2f kernel/panic.c:547
vmalloc: allocation failure: 0 bytes
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
, mode:0x14000c0(GFP_KERNEL), nodemask=
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
(null)
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:kill_block_super+0xc9/0xf0 fs/super.c:1163
RSP: 0018:ffff8881fef27b98 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000a658000
RDX: 0000000000040000 RSI: ffffffff818fee89 RDI: ffff888097c904e0
RBP: ffff8881fef27bb0 R08: ffff8880995663c0 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880995663c0 R12: ffff8880541ee500
R13: ffff888097c90140 R14: ffff8880541ee500 R15: dffffc0000000000
 deactivate_locked_super+0x74/0xe0 fs/super.c:319
 sget_userns+0x9d9/0xc30 fs/super.c:537
syz-executor.1 cpuset=
 sget+0xd6/0x120 fs/super.c:572
 mount_bdev+0xd5/0x370 fs/super.c:1107
 ocfs2_mount+0x35/0x40 fs/ocfs2/super.c:1226
 mount_fs+0x97/0x2a1 fs/super.c:1237
syz1
 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046
 mems_allowed=0-1
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2549 [inline]
 do_mount+0x417/0x27d0 fs/namespace.c:2879
 SYSC_mount fs/namespace.c:3095 [inline]
 SyS_mount+0xab/0x120 fs/namespace.c:3072
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b349
RSP: 002b:00007f214582cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f214582d6d4 RCX: 000000000045b349
RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 0000000020000080
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 0000000000000744 R14: 00000000004c8bd8 R15: 000000000000000d
CPU: 1 PID: 10826 Comm: syz-executor.1 Not tainted 4.14.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248
 __vmalloc_node_range mm/vmalloc.c:1786 [inline]
 __vmalloc_node_range+0x3c3/0x6a0 mm/vmalloc.c:1746
 __vmalloc_node mm/vmalloc.c:1815 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1829 [inline]
 vmalloc+0x46/0x50 mm/vmalloc.c:1851
 sel_write_load+0x1a0/0x1050 security/selinux/selinuxfs.c:495
 __vfs_write+0x105/0x6b0 fs/read_write.c:480
 vfs_write+0x198/0x500 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xfd/0x230 fs/read_write.c:582
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b349
RSP: 002b:00007f76bb293c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f76bb2946d4 RCX: 000000000045b349
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000cb1 R14: 00000000004cd905 R15: 000000000075bfd4
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/01/27 06:49 linux-4.14.y 8bac50406cca dd56146d .config log report
* Struck through repros no longer work on HEAD.