syzbot

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BUG: KASAN: use-after-free in __lock_acquire+0x77/0x1f80 kernel/locking/lockdep.c:4919
Read of size 8 at addr ffff88801a270e68 by task ksoftirqd/0/15

CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 __lock_acquire+0x77/0x1f80 kernel/locking/lockdep.c:4919
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 __wake_up_common_lock kernel/sched/wait.c:137 [inline]
 __wake_up+0xfd/0x1c0 kernel/sched/wait.c:160
 req_bio_endio block/blk-mq.c:777 [inline]
 blk_update_request+0x53b/0x1010 block/blk-mq.c:922
 blk_mq_end_request+0x3a/0x70 block/blk-mq.c:1051
 blk_complete_reqs block/blk-mq.c:1131 [inline]
 blk_done_softirq+0xf8/0x140 block/blk-mq.c:1136
 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571
 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:934
 smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Allocated by task 4559:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:556 [inline]
 lbmLogInit fs/jfs/jfs_logmgr.c:1822 [inline]
 lmLogInit+0x3b0/0x1c90 fs/jfs/jfs_logmgr.c:1270
 open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
 lmLogOpen+0x552/0x1030 fs/jfs/jfs_logmgr.c:1069
 jfs_mount_rw+0xe3/0x640 fs/jfs/jfs_mount.c:253
 jfs_fill_super+0x67d/0xc40 fs/jfs/super.c:565
 mount_bdev+0x2c9/0x3f0 fs/super.c:1432
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1562
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3051
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 4559:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 __kmem_cache_free+0x25c/0x3c0 mm/slub.c:3674
 lbmLogShutdown fs/jfs/jfs_logmgr.c:1865 [inline]
 lmLogInit+0xcc5/0x1c90 fs/jfs/jfs_logmgr.c:1416
 open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
 lmLogOpen+0x552/0x1030 fs/jfs/jfs_logmgr.c:1069
 jfs_mount_rw+0xe3/0x640 fs/jfs/jfs_mount.c:253
 jfs_fill_super+0x67d/0xc40 fs/jfs/super.c:565
 mount_bdev+0x2c9/0x3f0 fs/super.c:1432
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1562
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3051
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486
 insert_work+0x54/0x3d0 kernel/workqueue.c:1361
 __queue_work+0xb4b/0xf90 kernel/workqueue.c:1520
 queue_work_on+0x14b/0x250 kernel/workqueue.c:1548
 inetaddr_event+0x119/0x1b0 drivers/infiniband/core/roce_gid_mgmt.c:869
 notifier_call_chain kernel/notifier.c:87 [inline]
 blocking_notifier_call_chain+0x104/0x1b0 kernel/notifier.c:382
 __inet_insert_ifa+0x9cb/0xbd0 net/ipv4/devinet.c:554
 inet_rtm_newaddr+0x8d3/0x18e0 net/ipv4/devinet.c:960
 rtnetlink_rcv_msg+0x818/0xff0 net/core/rtnetlink.c:6121
 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2508
 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
 netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352
 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x480/0x600 net/socket.c:2148
 __do_sys_sendto net/socket.c:2160 [inline]
 __se_sys_sendto net/socket.c:2156 [inline]
 __x64_sys_sendto+0xda/0xf0 net/socket.c:2156
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff88801a270e00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 104 bytes inside of
 192-byte region [ffff88801a270e00, ffff88801a270ec0)

The buggy address belongs to the physical page:
page:ffffea0000689c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a270
flags: 0xfff80000000200(slab|node=0|zone=1|lastcpupid=0xfff)
raw: 00fff80000000200 ffffea00004dbcc0 dead000000000003 ffff888012441a00
raw: 0000000000000000 0000000080100010 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 2275975670, free_ts 0
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2115
 alloc_slab_page+0x6a/0x150 mm/slub.c:1794
 allocate_slab mm/slub.c:1939 [inline]
 new_slab+0x84/0x2d0 mm/slub.c:1992
 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 __kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437
 kmalloc_trace+0x26/0xe0 mm/slab_common.c:1045
 kmalloc include/linux/slab.h:556 [inline]
 kzalloc include/linux/slab.h:692 [inline]
 call_usermodehelper_setup+0x8a/0x260 kernel/umh.c:366
 kobject_uevent_env+0x688/0x8c0 lib/kobject_uevent.c:614
 kernel_add_sysfs_param+0x106/0x126 kernel/params.c:816
 param_sysfs_builtin+0x16a/0x1e2 kernel/params.c:851
 param_sysfs_init+0x66/0x6a kernel/params.c:970
 do_one_initcall+0x265/0x8f0 init/main.c:1297
 do_initcall_level+0x157/0x207 init/main.c:1370
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88801a270d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801a270d80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88801a270e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff88801a270e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88801a270f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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