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apport-collect 1992298
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1992298
Title:
hfsplus truncation can crash/hang 5.19 kernels
Status in linux package in Ubuntu:
Incomplete
Bug description:
uname -a
Linux kinetic-amd64-efi 5.19.0-19-generic #19-Ubuntu SMP PREEMPT_DYNAMIC Tue
Sep 27 16:03:25 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
How to reproduce:
git clone https://github.com/ColinIanKing/stress-ng
cd stress-ng
make clean
make -j 8
cd
pwd
/home/cking
dd if=/dev/zero of=test.img bs=1M count=1024
mkfs.hfsplus test.img
sudo mount -o loop /home/cking/test.img /mnt
sudo ./stress-ng/stress-ng --hdd 8 --temp-path=/mnt -v --verify --klog-check
-t 20
An 8 concurrent hdd stressor produces the following, whereas using
many instances (eg. 64) will crash/hang the kernel in quite a few
tests.
stress-ng: debug: [1243] invoked with './stress-ng/stress-ng --hdd 8
--temp-path=/mnt -v --verify --klog-check -t 20' by user 0 'root'
stress-ng: debug: [1243] stress-ng 0.14.06 g54f1939abd9a
stress-ng: debug: [1243] system: Linux kinetic-amd64-efi 5.19.0-19-generic
#19-Ubuntu SMP PREEMPT_DYNAMIC Tue Sep 27 16:03:25 UTC 2022 x86_64
stress-ng: debug: [1243] RAM total: 3.8G, RAM free: 2.3G, swap free: 0.0
stress-ng: debug: [1243] temporary file path: '/mnt', filesystem type: hfsplus
stress-ng: debug: [1243] 8 processors online, 8 processors configured
stress-ng: info: [1243] setting to a 20 second run per stressor
stress-ng: info: [1243] dispatching hogs: 8 hdd
stress-ng: debug: [1243] cache allocate: shared cache buffer size: 16384K
stress-ng: debug: [1243] starting stressors
stress-ng: debug: [1245] stress-ng-hdd: started [1245] (instance 0)
stress-ng: debug: [1246] stress-ng-hdd: started [1246] (instance 1)
stress-ng: debug: [1247] stress-ng-hdd: started [1247] (instance 2)
stress-ng: debug: [1248] stress-ng-hdd: started [1248] (instance 3)
stress-ng: debug: [1249] stress-ng-hdd: started [1249] (instance 4)
stress-ng: debug: [1250] stress-ng-hdd: started [1250] (instance 5)
stress-ng: debug: [1243] 8 stressors started
stress-ng: debug: [1251] stress-ng-hdd: started [1251] (instance 6)
stress-ng: debug: [1252] stress-ng-hdd: started [1252] (instance 7)
stress-ng: info: [1244] klog-check: warning: [485.934368] '------------[ cut
here ]------------'
stress-ng: info: [1244] klog-check: warning: [485.934381] 'WARNING: CPU: 3
PID: 1246 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x110/0x120
[hfsplus]'
stress-ng: info: [1244] klog-check: warning: [485.934392] 'Modules linked
in: nls_utf8 hfsplus cfg80211 nls_iso8859_1 snd_hda_codec_generic
intel_rapl_msr ledtrig_audio pktcdvd intel_rapl_common snd_hda_intel
snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep
kvm_intel snd_pcm kvm snd_timer snd input_leds serio_raw soundcore joydev ppdev
mac_hid rapl parport_pc parport dm_multipath ramoops scsi_dh_rdac scsi_dh_emc
scsi_dh_alua pstore_blk msr pstore_zone reed_solomon efi_pstore qemu_fw_cfg
ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul
qxl crc32_pclmul ghash_clmulni_intel aesni_intel drm_ttm_helper ttm virtio_rng
crypto_simd drm_kms_helper cryptd psmouse syscopyarea sysfillrect sysimgblt
fb_sys_fops i2c_i801 virtio_net virtio_blk ahci net_failover xhci_pci libahci
i2c_smbus lpc_ich drm failover
xhci_pci_renesas'
stress-ng: info: [1244] klog-check: warning: [485.934470] 'CPU: 3 PID: 1246
Comm: stress-ng Not tainted 5.19.0-19-generic #19-Ubuntu'
stress-ng: info: [1244] klog-check: warning: [485.934473] 'Hardware name:
QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015'
stress-ng: info: [1244] klog-check: warning: [485.934475] 'RIP:
0010:hfsplus_free_extents+0x110/0x120 [hfsplus]'
stress-ng: info: [1244] klog-check: warning: [485.934481] 'Code: de 73 ad 44
29 f3 44 89 f2 4c 89 c7 01 de e8 d7 89 00 00 41 89 c7 85 c0 0f 85 aa b4 00 00
0f cb 41 89 5c 24 04 e9 5a ff ff ff <0f> 0b e9 2e ff ff ff 66 0f 1f 84 00 00 00
00 00 0f 1f 44 00 00 55'
stress-ng: info: [1244] klog-check: warning: [485.934483] 'RSP:
0018:ffffac9700c7bcf8 EFLAGS: 00010202'
stress-ng: info: [1244] klog-check: warning: [485.934486] 'RAX:
ffff9bb79a11cc01 RBX: 0000000000000080 RCX: 0000000000000740'
stress-ng: info: [1244] klog-check: warning: [485.934488] 'RDX:
0000000000000080 RSI: ffff9bb79a533c58 RDI: 0000000000000000'
stress-ng: info: [1244] klog-check: warning: [485.934489] 'RBP:
ffffac9700c7bd28 R08: ffff9bb78f5a5000 R09: 0000000000000000'
stress-ng: info: [1244] klog-check: warning: [485.934491] 'R10:
0000000000000000 R11: 0000000000000000 R12: ffff9bb79a533c58'
stress-ng: info: [1244] klog-check: warning: [485.934493] 'R13:
0000000000000000 R14: 0000000000000740 R15: 0000000000000000'
stress-ng: info: [1244] klog-check: warning: [485.934494] 'FS:
00007f7621a13680(0000) GS:ffff9bb7fbcc0000(0000) knlGS:0000000000000000'
stress-ng: info: [1244] klog-check: warning: [485.934497] 'CS: 0010 DS:
0000 ES: 0000 CR0: 0000000080050033'
stress-ng: info: [1244] klog-check: warning: [485.934498] 'CR2:
000055fa539cf000 CR3: 0000000118240004 CR4: 0000000000370ee0'
stress-ng: info: [1244] klog-check: warning: [485.934503] 'DR0:
0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000'
stress-ng: info: [1244] klog-check: warning: [485.934504] 'DR3:
0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400'
stress-ng: info: [1244] klog-check: warning: [485.934506] 'Call Trace:'
stress-ng: info: [1244] klog-check: warning: [485.934508] ' <TASK>'
stress-ng: info: [1244] klog-check: warning: [485.934511] '
hfsplus_file_truncate+0x2e9/0x430 [hfsplus]'
stress-ng: info: [1244] klog-check: warning: [485.934518] '
hfsplus_delete_inode+0x68/0x90 [hfsplus]'
stress-ng: info: [1244] klog-check: warning: [485.934524] '
hfsplus_file_release+0x93/0xa0 [hfsplus]'
stress-ng: info: [1244] klog-check: warning: [485.934529] '
__fput+0x95/0x270'
stress-ng: info: [1244] klog-check: warning: [485.934533] '
____fput+0xe/0x20'
stress-ng: info: [1244] klog-check: warning: [485.934536] '
task_work_run+0x61/0xa0'
stress-ng: info: [1244] klog-check: warning: [485.934540] '
exit_to_user_mode_loop+0xfc/0x130'
stress-ng: info: [1244] klog-check: warning: [485.934545] '
exit_to_user_mode_prepare+0xa5/0xb0'
stress-ng: info: [1244] klog-check: warning: [485.934548] '
syscall_exit_to_user_mode+0x26/0x50'
stress-ng: info: [1244] klog-check: warning: [485.934552] ' ?
__x64_sys_close+0x11/0x50'
stress-ng: info: [1244] klog-check: warning: [485.934554] '
do_syscall_64+0x67/0x90'
stress-ng: info: [1244] klog-check: warning: [485.934556] ' ?
exit_to_user_mode_prepare+0x30/0xb0'
stress-ng: info: [1244] klog-check: warning: [485.934560] ' ?
syscall_exit_to_user_mode+0x26/0x50'
stress-ng: info: [1244] klog-check: warning: [485.934562] ' ?
__x64_sys_read+0x19/0x30'
stress-ng: info: [1244] klog-check: warning: [485.934565] ' ?
do_syscall_64+0x67/0x90'
stress-ng: info: [1244] klog-check: warning: [485.934567] ' ?
do_syscall_64+0x67/0x90'
stress-ng: info: [1244] klog-check: warning: [485.934569] ' ?
sysvec_apic_timer_interrupt+0x4b/0xd0'
stress-ng: info: [1244] klog-check: warning: [485.934571] '
entry_SYSCALL_64_after_hwframe+0x63/0xcd'
stress-ng: info: [1244] klog-check: warning: [485.934580] 'RIP:
0033:0x7f762190d224'
stress-ng: info: [1244] klog-check: warning: [485.934583] 'Code: eb b2 e8 ef
20 02 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 80 3d bd 13
0f 00 00 74 13 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83
ec 18 89 7c 24 0c e8 53'
stress-ng: info: [1244] klog-check: warning: [485.934584] 'RSP:
002b:00007ffdd0dc0148 EFLAGS: 00000202 ORIG_RAX: 0000000000000003'
stress-ng: info: [1244] klog-check: warning: [485.934586] 'RAX:
0000000000000000 RBX: 00007ffdd0dc1380 RCX: 00007f762190d224'
stress-ng: info: [1244] klog-check: warning: [485.934587] 'RDX:
0000000000010000 RSI: 000000000003ffff RDI: 0000000000000004'
stress-ng: info: [1244] klog-check: warning: [485.934589] 'RBP:
0000000000000004 R08: 0000000007ff0001 R09: 00000000ffffffff'
stress-ng: info: [1244] klog-check: warning: [485.934590] 'R10:
0000000000001000 R11: 0000000000000202 R12: 0000000008000000'
stress-ng: info: [1244] klog-check: warning: [485.934591] 'R13:
0000000000000000 R14: 000055fa539c0000 R15: 00007ffdd0dc02c0'
stress-ng: info: [1244] klog-check: warning: [485.934594] ' </TASK>'
stress-ng: info: [1244] klog-check: warning: [485.934598] '---[ end trace
0000000000000000 ]---'
Issue also occurs with 6.0 kernel :-(
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