==================================================================
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 ffff888033b9c318 by task syz.0.17/6179

CPU: 0 UID: 0 PID: 6179 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 __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: 0033:0x7f940978eec9
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:00007f940a63e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f94099e5fa0 RCX: 00007f940978eec9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f9409811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94099e6038 R14: 00007f94099e5fa0 R15: 00007ffdfca665e8
 </TASK>

Allocated by task 6179:
 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 6179:
 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 ffff888033b9c300
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 24 bytes inside of
 freed 192-byte region [ffff888033b9c300, ffff888033b9c3c0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33b9c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88813ffa63c0 ffffea0000a53fc0 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 1, tgid 1 (swapper/0), ts 33913744115, free_ts 33913033335
 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]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 call_usermodehelper_setup+0xaf/0x360 kernel/umh.c:362
 kobject_uevent_env+0x1690/0x1870 lib/kobject_uevent.c:628
 kernel_add_sysfs_param kernel/params.c:816 [inline]
 param_sysfs_builtin kernel/params.c:851 [inline]
 param_sysfs_builtin_init+0x367/0x4c0 kernel/params.c:987
 do_one_initcall+0x123/0x6e0 init/main.c:1283
 do_initcall_level init/main.c:1345 [inline]
 do_initcalls init/main.c:1361 [inline]
 do_basic_setup init/main.c:1380 [inline]
 kernel_init_freeable+0x5c8/0x920 init/main.c:1593
 kernel_init+0x1c/0x2b0 init/main.c:1483
 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
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:
 ffff888033b9c200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888033b9c280: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
>ffff888033b9c300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888033b9c380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888033b9c400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
==================================================================
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 ffff888033b9c340 by task syz.0.17/6179

CPU: 0 UID: 0 PID: 6179 Comm: syz.0.17 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:
 <TASK>
 __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: 0033:0x7f940978eec9
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:00007f940a63e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f94099e5fa0 RCX: 00007f940978eec9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f9409811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94099e6038 R14: 00007f94099e5fa0 R15: 00007ffdfca665e8
 </TASK>

Allocated by task 6179:
 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 6179:
 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 ffff888033b9c300
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 64 bytes inside of
 freed 192-byte region [ffff888033b9c300, ffff888033b9c3c0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33b9c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88813ffa63c0 ffffea0000a53fc0 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 1, tgid 1 (swapper/0), ts 33913744115, free_ts 33913033335
 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]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 call_usermodehelper_setup+0xaf/0x360 kernel/umh.c:362
 kobject_uevent_env+0x1690/0x1870 lib/kobject_uevent.c:628
 kernel_add_sysfs_param kernel/params.c:816 [inline]
 param_sysfs_builtin kernel/params.c:851 [inline]
 param_sysfs_builtin_init+0x367/0x4c0 kernel/params.c:987
 do_one_initcall+0x123/0x6e0 init/main.c:1283
 do_initcall_level init/main.c:1345 [inline]
 do_initcalls init/main.c:1361 [inline]
 do_basic_setup init/main.c:1380 [inline]
 kernel_init_freeable+0x5c8/0x920 init/main.c:1593
 kernel_init+0x1c/0x2b0 init/main.c:1483
 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
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:
 ffff888033b9c200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888033b9c280: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
>ffff888033b9c300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff888033b9c380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888033b9c400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x32f7d
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88813ffa6280 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000200020 00000000f5000000 0000000000000000
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5841, tgid 5841 (udevd), ts 134851251112, free_ts 134092737072
 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]
 __do_kmalloc_node mm/slub.c:5626 [inline]
 __kmalloc_noprof+0x501/0x880 mm/slub.c:5639
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 cfg80211_inform_single_bss_data+0x53e/0x1df0 net/wireless/scan.c:2357
 cfg80211_inform_bss_data+0x22b/0x3be0 net/wireless/scan.c:3240
 cfg80211_inform_bss_frame_data+0x26f/0x750 net/wireless/scan.c:3331
 ieee80211_bss_info_update+0x310/0xab0 net/mac80211/scan.c:226
 ieee80211_scan_rx+0x4cf/0xb30 net/mac80211/scan.c:355
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5194 [inline]
 ieee80211_rx_list+0x1b9b/0x2ab0 net/mac80211/rx.c:5447
 ieee80211_rx_napi+0xdc/0x410 net/mac80211/rx.c:5470
 ieee80211_rx include/net/mac80211.h:5214 [inline]
 ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:453
page last free pid 6179 tgid 6178 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
 lbmLogShutdown fs/jfs/jfs_logmgr.c:1863 [inline]
 lmLogInit+0x90a/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
------------[ cut here ]------------
kernel BUG at ./include/linux/mm.h:1101!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6179 Comm: syz.0.17 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
RIP: 0010:put_page_testzero include/linux/mm.h:1101 [inline]
RIP: 0010:put_page_testzero include/linux/mm.h:1099 [inline]
RIP: 0010:___free_pages+0x1e5/0x220 mm/page_alloc.c:5263
Code: 0f 94 c6 e9 b6 fe ff ff 48 c7 c6 c0 72 9c 8b 4c 89 ef e8 ce f0 ef ff 90 0f 0b 48 c7 c6 20 83 9c 8b 4c 89 ef e8 bc f0 ef ff 90 <0f> 0b 48 89 df e8 11 64 0e 00 e9 c0 fe ff ff e8 37 64 0e 00 e9 2f
RSP: 0018:ffffc9000429f9c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0000cbdf74 RCX: 0000000000000000
RDX: ffff88802d7fdac0 RSI: ffffffff821658c4 RDI: ffff88802d7fdf44
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff908365d7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0000cbdf40 R14: 0000000000000000 R15: ffff888033b9c300
FS:  00007f940a63e6c0(0000) GS:ffff888124ada000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe0241ac88 CR3: 00000000542eb000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lbmLogShutdown fs/jfs/jfs_logmgr.c:1863 [inline]
 lmLogInit+0x90a/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: 0033:0x7f940978eec9
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:00007f940a63e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f94099e5fa0 RCX: 00007f940978eec9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f9409811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94099e6038 R14: 00007f94099e5fa0 R15: 00007ffdfca665e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:put_page_testzero include/linux/mm.h:1101 [inline]
RIP: 0010:put_page_testzero include/linux/mm.h:1099 [inline]
RIP: 0010:___free_pages+0x1e5/0x220 mm/page_alloc.c:5263
Code: 0f 94 c6 e9 b6 fe ff ff 48 c7 c6 c0 72 9c 8b 4c 89 ef e8 ce f0 ef ff 90 0f 0b 48 c7 c6 20 83 9c 8b 4c 89 ef e8 bc f0 ef ff 90 <0f> 0b 48 89 df e8 11 64 0e 00 e9 c0 fe ff ff e8 37 64 0e 00 e9 2f
RSP: 0018:ffffc9000429f9c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0000cbdf74 RCX: 0000000000000000
RDX: ffff88802d7fdac0 RSI: ffffffff821658c4 RDI: ffff88802d7fdf44
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff908365d7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0000cbdf40 R14: 0000000000000000 R15: ffff888033b9c300
FS:  00007f940a63e6c0(0000) GS:ffff8881249da000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d979e2000 CR3: 00000000542eb000 CR4: 0000000000350ef0