ci2 starts bisection 2024-07-25 15:51:19.627735519 +0000 UTC m=+21224.753851997
bisecting fixing commit since 05ef4ccb57746f921003b9340fc2f0532c177f41
building syzkaller on 3222d10cbe77bbedb5a7c455e5bcb6b7081a63b7
ensuring issue is reproducible on original commit 05ef4ccb57746f921003b9340fc2f0532c177f41

testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 23b70a13d68903b179f0cf70aac7f59563c6e1162534a6dbe042a2ddd6176094
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 142fa9970541a6962fd5c67a54072ebb7bd636620e897524ce4c0829641bc542
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=4920 full=6161 leaves diff=241
split chunks (needed=false): <241>
split chunk #0 of len 241 into 5 parts
testing without sub-chunk 1/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5c3b7da501dd4ccee5e7f9d9bb5eda543dfc7665b05eb3db0fa1038242f2e682
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 94410b358ab3f159c1c487fec4b9387157af69d84376be005d799303da461efa
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 61a160d1a5e0ca0c229b5957958f76ac9ac2bcbc4847b2837ebba985ba2a6e0c
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f0e0f9ac447e01be5b848e326ca10942993acebfa6dfffec138520cba9eed28b
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 05ef4ccb57746f921003b9340fc2f0532c177f41 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 05ef4ccb57746f921003b9340fc2f0532c177f41: net/socket.c:1189: undefined reference to `wext_handle_ioctl'
net/socket.c:3383: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:343: undefined reference to `wext_proc_exit'
net/core/net-procfs.c:327: undefined reference to `wext_proc_init'
minimized to 45 configs; suspects: [HID_ZEROPLUS USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF]
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 5356d2f17edfcdc153bc4d767ab0c9749bf9faf4
testing commit 5356d2f17edfcdc153bc4d767ab0c9749bf9faf4 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1359b06f632cd64a205cec6d3743b80a9644139f4ef9a48f239dc4e95586c294
all runs: crashed: KASAN: use-after-free Read in jbd2_journal_get_write_access
representative crash: KASAN: use-after-free Read in jbd2_journal_get_write_access, types: [KASAN]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 2h14m39.182702185s (build: 1h3m12.143010413s, test: 1h8m7.926588738s)
crash still not fixed or there were kernel test errors
commit msg: Merge branch 'android13-5.15' into branch 'android13-5.15-lts'
crash: KASAN: use-after-free Read in jbd2_journal_get_write_access
==================================================================
BUG: KASAN: use-after-free in is_handle_aborted include/linux/jbd2.h:1694 [inline]
BUG: KASAN: use-after-free in jbd2_journal_get_write_access+0x10f/0x140 fs/jbd2/transaction.c:1241
Read of size 1 at addr ffff88812311512c by task syz-executor.2/432

CPU: 0 PID: 432 Comm: syz-executor.2 Not tainted 5.15.151-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106
 print_address_description.constprop.0+0x24/0x160 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report.cold+0x82/0xdb mm/kasan/report.c:444
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 is_handle_aborted include/linux/jbd2.h:1694 [inline]
 jbd2_journal_get_write_access+0x10f/0x140 fs/jbd2/transaction.c:1241
 __ext4_journal_get_write_access+0x17c/0x3c0 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x157/0x220 fs/ext4/inode.c:5813
 __ext4_mark_inode_dirty+0x10d/0x660 fs/ext4/inode.c:5987
 ext4_symlink+0x82f/0xd40 fs/ext4/namei.c:3463
 vfs_symlink fs/namei.c:4429 [inline]
 vfs_symlink+0xe9/0x2b0 fs/namei.c:4414
 do_symlinkat+0x134/0x2a0 fs/namei.c:4458
 __do_sys_symlink fs/namei.c:4480 [inline]
 __se_sys_symlink fs/namei.c:4478 [inline]
 __x64_sys_symlink+0x75/0x90 fs/namei.c:4478
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f8415020ba9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8414ba30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 00007f841513ff80 RCX: 00007f8415020ba9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
RBP: 00007f8414ba3120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f841513ff80 R15: 00007ffccb131fc8
 </TASK>

Allocated by task 432:
 kasan_save_stack+0x26/0x50 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0x94/0xc0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook mm/slab.h:550 [inline]
 slab_alloc_node mm/slub.c:3240 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0x197/0x480 mm/slub.c:3253
 kmem_cache_zalloc include/linux/slab.h:723 [inline]
 jbd2_alloc_handle include/linux/jbd2.h:1597 [inline]
 new_handle fs/jbd2/transaction.c:477 [inline]
 jbd2__journal_start+0x16f/0x790 fs/jbd2/transaction.c:504
 __ext4_journal_start_sb+0x237/0x2d0 fs/ext4/ext4_jbd2.c:105
 __ext4_new_inode+0x24bc/0x4250 fs/ext4/ialloc.c:1080
 ext4_symlink+0x361/0xd40 fs/ext4/namei.c:3382
 vfs_symlink fs/namei.c:4429 [inline]
 vfs_symlink+0xe9/0x2b0 fs/namei.c:4414
 do_symlinkat+0x134/0x2a0 fs/namei.c:4458
 __do_sys_symlink fs/namei.c:4480 [inline]
 __se_sys_symlink fs/namei.c:4478 [inline]
 __x64_sys_symlink+0x75/0x90 fs/namei.c:4478
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Freed by task 432:
 kasan_save_stack+0x26/0x50 mm/kasan/common.c:38
 kasan_set_track+0x25/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x24/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:365 [inline]
 ____kasan_slab_free mm/kasan/common.c:327 [inline]
 __kasan_slab_free+0x111/0x150 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0x94/0x1a0 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kmem_cache_free+0x105/0x250 mm/slub.c:3535
 jbd2_free_handle include/linux/jbd2.h:1602 [inline]
 jbd2_journal_stop+0x496/0xf70 fs/jbd2/transaction.c:1964
 __ext4_journal_stop+0xc4/0x1a0 fs/ext4/ext4_jbd2.c:127
 ext4_symlink+0x7fc/0xd40 fs/ext4/namei.c:3461
 vfs_symlink fs/namei.c:4429 [inline]
 vfs_symlink+0xe9/0x2b0 fs/namei.c:4414
 do_symlinkat+0x134/0x2a0 fs/namei.c:4458
 __do_sys_symlink fs/namei.c:4480 [inline]
 __se_sys_symlink fs/namei.c:4478 [inline]
 __x64_sys_symlink+0x75/0x90 fs/namei.c:4478
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff888123115108
 which belongs to the cache jbd2_journal_handle of size 56
The buggy address is located 36 bytes inside of
 56-byte region [ffff888123115108, ffff888123115140)
The buggy address belongs to the page:
page:ffffea00048c4540 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123115
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881083bdb00
raw: 0000000000000000 00000000802e002e 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x112c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 359, ts 53661103225, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook mm/page_alloc.c:2605 [inline]
 prep_new_page+0x1a2/0x310 mm/page_alloc.c:2611
 get_page_from_freelist+0x1ce2/0x30a0 mm/page_alloc.c:4485
 __alloc_pages+0x2d1/0x2620 mm/page_alloc.c:5777
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 alloc_slab_page mm/slub.c:1793 [inline]
 allocate_slab+0x39d/0x530 mm/slub.c:1932
 new_slab mm/slub.c:1995 [inline]
 ___slab_alloc.constprop.0+0x3ca/0x890 mm/slub.c:3028
 __slab_alloc.constprop.0+0x42/0x80 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0x440/0x480 mm/slub.c:3253
 kmem_cache_zalloc include/linux/slab.h:723 [inline]
 jbd2_alloc_handle include/linux/jbd2.h:1597 [inline]
 new_handle fs/jbd2/transaction.c:477 [inline]
 jbd2__journal_start+0x16f/0x790 fs/jbd2/transaction.c:504
 __ext4_journal_start_sb+0x237/0x2d0 fs/ext4/ext4_jbd2.c:105
 __ext4_new_inode+0x24bc/0x4250 fs/ext4/ialloc.c:1080
 ext4_mkdir+0x2ce/0x890 fs/ext4/namei.c:3017
 vfs_mkdir+0x1d5/0x430 fs/namei.c:4065
 do_mkdirat+0x152/0x2c0 fs/namei.c:4090
 __do_sys_mkdirat fs/namei.c:4105 [inline]
 __se_sys_mkdirat fs/namei.c:4103 [inline]
 __x64_sys_mkdirat+0xf4/0x140 fs/namei.c:4103
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888123115000: fa fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb
 ffff888123115080: fb fb fc fc fc fc fa fb fb fb fb fb fb fc fc fc
>ffff888123115100: fc fa fb fb fb fb fb fb fc fc fc fc fa fb fb fb
                                  ^
 ffff888123115180: fb fb fb fc fc fc fc fa fb fb fb fb fb fb fc fc
 ffff888123115200: fc fc fa fb fb fb fb fb fb fc fc fc fc fa fb fb
==================================================================
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 432 Comm: syz-executor.2 Tainted: G    B             5.15.151-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:do_get_write_access+0x56f/0xcf0 fs/jbd2/transaction.c:1102
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 53 07 00 00 49 8b 75 20 48 8b 7d b0 e8 a8 81 02 00 e9 6c fe ff ff 0f 0b <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ca 48 c1 ea 03 80 3c 02
RSP: 0018:ffffc90000a67a78 EFLAGS: 00010282

RAX: ffff888109783280 RBX: dffffc0000000000 RCX: ffffffff81d510f2
RDX: 0000000000000000 RSI: ffff88810dcb3780 RDI: ffff88810dcb3820
RBP: ffffc90000a67af8 R08: ffff888109784398 R09: ffff888109784388
R10: ffffed10211e7400 R11: 0000000000000001 R12: ffff888109784370
R13: ffff888108f3a000 R14: ffff888123115108 R15: ffff8881097843a0
FS:  00007f8414ba36c0(0000) GS:ffff8881f7500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f897ef32038 CR3: 0000000117ea9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jbd2_journal_get_write_access+0xe3/0x140 fs/jbd2/transaction.c:1251
 __ext4_journal_get_write_access+0x17c/0x3c0 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x157/0x220 fs/ext4/inode.c:5813
 __ext4_mark_inode_dirty+0x10d/0x660 fs/ext4/inode.c:5987
 ext4_symlink+0x82f/0xd40 fs/ext4/namei.c:3463
 vfs_symlink fs/namei.c:4429 [inline]
 vfs_symlink+0xe9/0x2b0 fs/namei.c:4414
 do_symlinkat+0x134/0x2a0 fs/namei.c:4458
 __do_sys_symlink fs/namei.c:4480 [inline]
 __se_sys_symlink fs/namei.c:4478 [inline]
 __x64_sys_symlink+0x75/0x90 fs/namei.c:4478
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f8415020ba9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8414ba30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 00007f841513ff80 RCX: 00007f8415020ba9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
RBP: 00007f8414ba3120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f841513ff80 R15: 00007ffccb131fc8
 </TASK>
Modules linked in:
---[ end trace 2fb53b66a9c1e786 ]---
RIP: 0010:do_get_write_access+0x56f/0xcf0 fs/jbd2/transaction.c:1102
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 53 07 00 00 49 8b 75 20 48 8b 7d b0 e8 a8 81 02 00 e9 6c fe ff ff 0f 0b <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ca 48 c1 ea 03 80 3c 02
RSP: 0018:ffffc90000a67a78 EFLAGS: 00010282
RAX: ffff888109783280 RBX: dffffc0000000000 RCX: ffffffff81d510f2
RDX: 0000000000000000 RSI: ffff88810dcb3780 RDI: ffff88810dcb3820
RBP: ffffc90000a67af8 R08: ffff888109784398 R09: ffff888109784388
R10: ffffed10211e7400 R11: 0000000000000001 R12: ffff888109784370
R13: ffff888108f3a000 R14: ffff888123115108 R15: ffff8881097843a0
FS:  00007f8414ba36c0(0000) GS:ffff8881f7500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f897ef32038 CR3: 0000000117ea9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400