================================================================== 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 ffff8880295de018 by task syz.2.70/6812 CPU: 0 UID: 0 PID: 6812 Comm: syz.2.70 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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: 0033:0x7fa345f8eec9 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:00007fa346eab038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa3461e5fa0 RCX: 00007fa345f8eec9 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007fa346011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa3461e6038 R14: 00007fa3461e5fa0 R15: 00007ffc27f6a1a8 Allocated by task 6812: 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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 6812: 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:2543 [inline] slab_free mm/slub.c:6642 [inline] kfree+0x2b8/0x6d0 mm/slub.c:6849 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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 ffff8880295de000 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 24 bytes inside of freed 192-byte region [ffff8880295de000, ffff8880295de0c0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x295de flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88813ffa63c0 ffffea00016ef5c0 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 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 24005230223, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845 prep_new_page mm/page_alloc.c:1853 [inline] get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879 __alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416 alloc_slab_page mm/slub.c:3059 [inline] allocate_slab mm/slub.c:3232 [inline] new_slab+0x24a/0x360 mm/slub.c:3286 ___slab_alloc+0xd79/0x1a50 mm/slub.c:4655 __slab_alloc.constprop.0+0x63/0x110 mm/slub.c:4778 __slab_alloc_node mm/slub.c:4854 [inline] slab_alloc_node mm/slub.c:5276 [inline] __do_kmalloc_node mm/slub.c:5649 [inline] __kmalloc_noprof+0x501/0x880 mm/slub.c:5662 kmalloc_noprof include/linux/slab.h:961 [inline] usb_alloc_urb+0x66/0xa0 drivers/usb/core/urb.c:75 usb_internal_control_msg drivers/usb/core/message.c:96 [inline] usb_control_msg+0x1d3/0x4a0 drivers/usb/core/message.c:154 set_port_feature drivers/usb/core/hub.c:470 [inline] hub_suspend+0x8a3/0xa80 drivers/usb/core/hub.c:3995 usb_suspend_interface drivers/usb/core/driver.c:1323 [inline] usb_suspend_both+0x302/0xc70 drivers/usb/core/driver.c:1445 usb_runtime_suspend+0x49/0x180 drivers/usb/core/driver.c:1997 __rpm_callback+0xc8/0x610 drivers/base/power/runtime.c:406 rpm_callback+0x1b7/0x200 drivers/base/power/runtime.c:460 rpm_suspend+0x2e1/0x11d0 drivers/base/power/runtime.c:698 page_owner free stack trace missing Memory state around the buggy address: ffff8880295ddf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8880295ddf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff8880295de000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880295de080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8880295de100: 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 ffff8880295de040 by task syz.2.70/6812 CPU: 0 UID: 0 PID: 6812 Comm: syz.2.70 Tainted: G B syzkaller #0 PREEMPT(full) Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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: 0033:0x7fa345f8eec9 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:00007fa346eab038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa3461e5fa0 RCX: 00007fa345f8eec9 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007fa346011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa3461e6038 R14: 00007fa3461e5fa0 R15: 00007ffc27f6a1a8 Allocated by task 6812: 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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 6812: 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:2543 [inline] slab_free mm/slub.c:6642 [inline] kfree+0x2b8/0x6d0 mm/slub.c:6849 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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 ffff8880295de000 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 64 bytes inside of freed 192-byte region [ffff8880295de000, ffff8880295de0c0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x295de flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88813ffa63c0 ffffea00016ef5c0 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 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 24005230223, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845 prep_new_page mm/page_alloc.c:1853 [inline] get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879 __alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416 alloc_slab_page mm/slub.c:3059 [inline] allocate_slab mm/slub.c:3232 [inline] new_slab+0x24a/0x360 mm/slub.c:3286 ___slab_alloc+0xd79/0x1a50 mm/slub.c:4655 __slab_alloc.constprop.0+0x63/0x110 mm/slub.c:4778 __slab_alloc_node mm/slub.c:4854 [inline] slab_alloc_node mm/slub.c:5276 [inline] __do_kmalloc_node mm/slub.c:5649 [inline] __kmalloc_noprof+0x501/0x880 mm/slub.c:5662 kmalloc_noprof include/linux/slab.h:961 [inline] usb_alloc_urb+0x66/0xa0 drivers/usb/core/urb.c:75 usb_internal_control_msg drivers/usb/core/message.c:96 [inline] usb_control_msg+0x1d3/0x4a0 drivers/usb/core/message.c:154 set_port_feature drivers/usb/core/hub.c:470 [inline] hub_suspend+0x8a3/0xa80 drivers/usb/core/hub.c:3995 usb_suspend_interface drivers/usb/core/driver.c:1323 [inline] usb_suspend_both+0x302/0xc70 drivers/usb/core/driver.c:1445 usb_runtime_suspend+0x49/0x180 drivers/usb/core/driver.c:1997 __rpm_callback+0xc8/0x610 drivers/base/power/runtime.c:406 rpm_callback+0x1b7/0x200 drivers/base/power/runtime.c:460 rpm_suspend+0x2e1/0x11d0 drivers/base/power/runtime.c:698 page_owner free stack trace missing Memory state around the buggy address: ffff8880295ddf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8880295ddf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff8880295de000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880295de080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8880295de100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ================================================================== 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 ffff8880295de000 by task syz.2.70/6812 CPU: 1 UID: 0 PID: 6812 Comm: syz.2.70 Tainted: G B syzkaller #0 PREEMPT(full) Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 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:2488 [inline] slab_free mm/slub.c:6642 [inline] kfree+0x119/0x6d0 mm/slub.c:6849 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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: 0033:0x7fa345f8eec9 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:00007fa346eab038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa3461e5fa0 RCX: 00007fa345f8eec9 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007fa346011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa3461e6038 R14: 00007fa3461e5fa0 R15: 00007ffc27f6a1a8 Allocated by task 6812: 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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 6812: 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:2543 [inline] slab_free mm/slub.c:6642 [inline] kfree+0x2b8/0x6d0 mm/slub.c:6849 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:3270 [inline] path_mount+0x1a40/0x23a0 fs/namespace.c:4020 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount fs/namespace.c:4206 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:4206 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 ffff8880295de000 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 0 bytes inside of 192-byte region [ffff8880295de000, ffff8880295de0c0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x295de flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88813ffa63c0 ffffea00016ef5c0 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 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 24005230223, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1845 prep_new_page mm/page_alloc.c:1853 [inline] get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3879 __alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5178 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416 alloc_slab_page mm/slub.c:3059 [inline] allocate_slab mm/slub.c:3232 [inline] new_slab+0x24a/0x360 mm/slub.c:3286 ___slab_alloc+0xd79/0x1a50 mm/slub.c:4655 __slab_alloc.constprop.0+0x63/0x110 mm/slub.c:4778 __slab_alloc_node mm/slub.c:4854 [inline] slab_alloc_node mm/slub.c:5276 [inline] __do_kmalloc_node mm/slub.c:5649 [inline] __kmalloc_noprof+0x501/0x880 mm/slub.c:5662 kmalloc_noprof include/linux/slab.h:961 [inline] usb_alloc_urb+0x66/0xa0 drivers/usb/core/urb.c:75 usb_internal_control_msg drivers/usb/core/message.c:96 [inline] usb_control_msg+0x1d3/0x4a0 drivers/usb/core/message.c:154 set_port_feature drivers/usb/core/hub.c:470 [inline] hub_suspend+0x8a3/0xa80 drivers/usb/core/hub.c:3995 usb_suspend_interface drivers/usb/core/driver.c:1323 [inline] usb_suspend_both+0x302/0xc70 drivers/usb/core/driver.c:1445 usb_runtime_suspend+0x49/0x180 drivers/usb/core/driver.c:1997 __rpm_callback+0xc8/0x610 drivers/base/power/runtime.c:406 rpm_callback+0x1b7/0x200 drivers/base/power/runtime.c:460 rpm_suspend+0x2e1/0x11d0 drivers/base/power/runtime.c:698 page_owner free stack trace missing Memory state around the buggy address: ffff8880295ddf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8880295ddf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff8880295de000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880295de080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8880295de100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================