loop1: detected capacity change from 0 to 32768
==================================================================
BUG: KASAN: slab-use-after-free in lbmLogShutdown fs/jfs/jfs_logmgr.c:1862 [inline]
BUG: KASAN: slab-use-after-free in lmLogInit+0x1722/0x1ae0 fs/jfs/jfs_logmgr.c:1415
Read of size 8 at addr ffff8880766d7718 by task syz.1.4210/18653
CPU: 0 UID: 0 PID: 18653 Comm: syz.1.4210 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xcd/0x630 mm/kasan/report.c:482
kasan_report+0xe0/0x110 mm/kasan/report.c:595
lbmLogShutdown fs/jfs/jfs_logmgr.c:1862 [inline]
lmLogInit+0x1722/0x1ae0 fs/jfs/jfs_logmgr.c:1415
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f74a438efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f74a51f0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f74a45e5fa0 RCX: 00007f74a438efc9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f74a4411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f74a45e6038 R14: 00007f74a45e5fa0 R15: 00007ffdbbc2a2b8
Allocated by task 18653:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:417
kmalloc_noprof include/linux/slab.h:957 [inline]
lbmLogInit fs/jfs/jfs_logmgr.c:1821 [inline]
lmLogInit+0x40c/0x1ae0 fs/jfs/jfs_logmgr.c:1269
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 18653:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
__kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:587
kasan_save_free_info mm/kasan/kasan.h:406 [inline]
poison_slab_object mm/kasan/common.c:252 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2523 [inline]
slab_free mm/slub.c:6611 [inline]
kfree+0x2b8/0x6d0 mm/slub.c:6818
lbmLogShutdown fs/jfs/jfs_logmgr.c:1864 [inline]
lmLogInit+0x912/0x1ae0 fs/jfs/jfs_logmgr.c:1415
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff8880766d7700
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 24 bytes inside of
freed 192-byte region [ffff8880766d7700, ffff8880766d77c0)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x766d7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88813ffa63c0 ffffea0000a43080 dead000000000004
raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5835, tgid 5835 (syz-executor), ts 114881421736, free_ts 114871252569
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1850
prep_new_page mm/page_alloc.c:1858 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3884
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5183
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
alloc_slab_page mm/slub.c:3039 [inline]
allocate_slab mm/slub.c:3212 [inline]
new_slab+0x24a/0x360 mm/slub.c:3266
___slab_alloc+0xdc4/0x1ae0 mm/slub.c:4636
__slab_alloc.constprop.0+0x63/0x110 mm/slub.c:4755
__slab_alloc_node mm/slub.c:4831 [inline]
slab_alloc_node mm/slub.c:5253 [inline]
__kmalloc_cache_noprof+0x477/0x780 mm/slub.c:5743
kmalloc_noprof include/linux/slab.h:957 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:664 [inline]
netdevice_event+0x365/0x9d0 drivers/infiniband/core/roce_gid_mgmt.c:823
notifier_call_chain+0xbc/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229
call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
call_netdevice_notifiers net/core/dev.c:2281 [inline]
netif_set_mac_address+0x36f/0x4a0 net/core/dev.c:9878
do_setlink.constprop.0+0x75f/0x4380 net/core/rtnetlink.c:3103
rtnl_changelink net/core/rtnetlink.c:3769 [inline]
__rtnl_newlink net/core/rtnetlink.c:3928 [inline]
rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6954
netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552
page last free pid 44 tgid 44 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2906
vfree+0x1fd/0xb50 mm/vmalloc.c:3440
delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3359
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Memory state around the buggy address:
ffff8880766d7600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880766d7680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8880766d7700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880766d7780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff8880766d7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
==================================================================
BUG: KASAN: slab-use-after-free in lbmLogShutdown fs/jfs/jfs_logmgr.c:1863 [inline]
BUG: KASAN: slab-use-after-free in lmLogInit+0x1740/0x1ae0 fs/jfs/jfs_logmgr.c:1415
Read of size 8 at addr ffff8880766d7740 by task syz.1.4210/18653
CPU: 1 UID: 0 PID: 18653 Comm: syz.1.4210 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xcd/0x630 mm/kasan/report.c:482
kasan_report+0xe0/0x110 mm/kasan/report.c:595
lbmLogShutdown fs/jfs/jfs_logmgr.c:1863 [inline]
lmLogInit+0x1740/0x1ae0 fs/jfs/jfs_logmgr.c:1415
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f74a438efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f74a51f0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f74a45e5fa0 RCX: 00007f74a438efc9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f74a4411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f74a45e6038 R14: 00007f74a45e5fa0 R15: 00007ffdbbc2a2b8
Allocated by task 18653:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:417
kmalloc_noprof include/linux/slab.h:957 [inline]
lbmLogInit fs/jfs/jfs_logmgr.c:1821 [inline]
lmLogInit+0x40c/0x1ae0 fs/jfs/jfs_logmgr.c:1269
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 18653:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
__kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:587
kasan_save_free_info mm/kasan/kasan.h:406 [inline]
poison_slab_object mm/kasan/common.c:252 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2523 [inline]
slab_free mm/slub.c:6611 [inline]
kfree+0x2b8/0x6d0 mm/slub.c:6818
lbmLogShutdown fs/jfs/jfs_logmgr.c:1864 [inline]
lmLogInit+0x912/0x1ae0 fs/jfs/jfs_logmgr.c:1415
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff8880766d7700
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 64 bytes inside of
freed 192-byte region [ffff8880766d7700, ffff8880766d77c0)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x766d7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88813ffa63c0 ffffea0000a43080 dead000000000004
raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5835, tgid 5835 (syz-executor), ts 114881421736, free_ts 114871252569
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1850
prep_new_page mm/page_alloc.c:1858 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3884
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5183
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
alloc_slab_page mm/slub.c:3039 [inline]
allocate_slab mm/slub.c:3212 [inline]
new_slab+0x24a/0x360 mm/slub.c:3266
___slab_alloc+0xdc4/0x1ae0 mm/slub.c:4636
__slab_alloc.constprop.0+0x63/0x110 mm/slub.c:4755
__slab_alloc_node mm/slub.c:4831 [inline]
slab_alloc_node mm/slub.c:5253 [inline]
__kmalloc_cache_noprof+0x477/0x780 mm/slub.c:5743
kmalloc_noprof include/linux/slab.h:957 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:664 [inline]
netdevice_event+0x365/0x9d0 drivers/infiniband/core/roce_gid_mgmt.c:823
notifier_call_chain+0xbc/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229
call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
call_netdevice_notifiers net/core/dev.c:2281 [inline]
netif_set_mac_address+0x36f/0x4a0 net/core/dev.c:9878
do_setlink.constprop.0+0x75f/0x4380 net/core/rtnetlink.c:3103
rtnl_changelink net/core/rtnetlink.c:3769 [inline]
__rtnl_newlink net/core/rtnetlink.c:3928 [inline]
rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6954
netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552
page last free pid 44 tgid 44 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2906
vfree+0x1fd/0xb50 mm/vmalloc.c:3440
delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3359
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Memory state around the buggy address:
ffff8880766d7600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880766d7680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8880766d7700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880766d7780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff8880766d7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
==================================================================
BUG: KASAN: double-free in lbmLogShutdown fs/jfs/jfs_logmgr.c:1864 [inline]
BUG: KASAN: double-free in lmLogInit+0x912/0x1ae0 fs/jfs/jfs_logmgr.c:1415
Free of addr ffff8880766d7700 by task syz.1.4210/18653
CPU: 0 UID: 0 PID: 18653 Comm: syz.1.4210 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xcd/0x630 mm/kasan/report.c:482
kasan_report_invalid_free+0xb8/0xe0 mm/kasan/report.c:557
check_slab_allocation+0xe8/0x110 mm/kasan/common.c:234
kasan_slab_pre_free include/linux/kasan.h:198 [inline]
slab_free_hook mm/slub.c:2468 [inline]
slab_free mm/slub.c:6611 [inline]
kfree+0x119/0x6d0 mm/slub.c:6818
lbmLogShutdown fs/jfs/jfs_logmgr.c:1864 [inline]
lmLogInit+0x912/0x1ae0 fs/jfs/jfs_logmgr.c:1415
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f74a438efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f74a51f0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f74a45e5fa0 RCX: 00007f74a438efc9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f74a4411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f74a45e6038 R14: 00007f74a45e5fa0 R15: 00007ffdbbc2a2b8
Allocated by task 18653:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:417
kmalloc_noprof include/linux/slab.h:957 [inline]
lbmLogInit fs/jfs/jfs_logmgr.c:1821 [inline]
lmLogInit+0x40c/0x1ae0 fs/jfs/jfs_logmgr.c:1269
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 18653:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
__kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:587
kasan_save_free_info mm/kasan/kasan.h:406 [inline]
poison_slab_object mm/kasan/common.c:252 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2523 [inline]
slab_free mm/slub.c:6611 [inline]
kfree+0x2b8/0x6d0 mm/slub.c:6818
lbmLogShutdown fs/jfs/jfs_logmgr.c:1864 [inline]
lmLogInit+0x912/0x1ae0 fs/jfs/jfs_logmgr.c:1415
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7f0/0x13c0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2e9/0x6f0 fs/jfs/jfs_mount.c:257
jfs_reconfigure+0x91e/0xb90 fs/jfs/super.c:409
reconfigure_super+0x450/0xb60 fs/super.c:1076
do_remount fs/namespace.c:3279 [inline]
path_mount+0x1a40/0x23a0 fs/namespace.c:4029
do_mount fs/namespace.c:4050 [inline]
__do_sys_mount fs/namespace.c:4238 [inline]
__se_sys_mount fs/namespace.c:4215 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4215
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff8880766d7700
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes inside of
192-byte region [ffff8880766d7700, ffff8880766d77c0)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x766d7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88813ffa63c0 ffffea0000a43080 dead000000000004
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5835, tgid 5835 (syz-executor), ts 114881421736, free_ts 114871252569
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1850
prep_new_page mm/page_alloc.c:1858 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3884
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5183
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
alloc_slab_page mm/slub.c:3039 [inline]
allocate_slab mm/slub.c:3212 [inline]
new_slab+0x24a/0x360 mm/slub.c:3266
___slab_alloc+0xdc4/0x1ae0 mm/slub.c:4636
__slab_alloc.constprop.0+0x63/0x110 mm/slub.c:4755
__slab_alloc_node mm/slub.c:4831 [inline]
slab_alloc_node mm/slub.c:5253 [inline]
__kmalloc_cache_noprof+0x477/0x780 mm/slub.c:5743
kmalloc_noprof include/linux/slab.h:957 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:664 [inline]
netdevice_event+0x365/0x9d0 drivers/infiniband/core/roce_gid_mgmt.c:823
notifier_call_chain+0xbc/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229
call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
call_netdevice_notifiers net/core/dev.c:2281 [inline]
netif_set_mac_address+0x36f/0x4a0 net/core/dev.c:9878
do_setlink.constprop.0+0x75f/0x4380 net/core/rtnetlink.c:3103
rtnl_changelink net/core/rtnetlink.c:3769 [inline]
__rtnl_newlink net/core/rtnetlink.c:3928 [inline]
rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6954
netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552
page last free pid 44 tgid 44 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2906
vfree+0x1fd/0xb50 mm/vmalloc.c:3440
delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3359
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Memory state around the buggy address:
ffff8880766d7600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8880766d7680: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880766d7700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880766d7780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff8880766d7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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