==================================================================
BUG: KASAN: use-after-free in F2FS_SB fs/f2fs/f2fs.h:1985 [inline]
BUG: KASAN: use-after-free in F2FS_I_SB fs/f2fs/f2fs.h:1990 [inline]
BUG: KASAN: use-after-free in F2FS_M_SB fs/f2fs/f2fs.h:1995 [inline]
BUG: KASAN: use-after-free in F2FS_P_SB fs/f2fs/f2fs.h:2000 [inline]
BUG: KASAN: use-after-free in f2fs_release_page+0x2fa/0x890 fs/f2fs/data.c:3600
Read of size 8 at addr ffff88816d7fc3c8 by task syz-executor.5/26375

CPU: 1 PID: 26375 Comm: syz-executor.5 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 F2FS_SB fs/f2fs/f2fs.h:1985 [inline]
 F2FS_I_SB fs/f2fs/f2fs.h:1990 [inline]
 F2FS_M_SB fs/f2fs/f2fs.h:1995 [inline]
 F2FS_P_SB fs/f2fs/f2fs.h:2000 [inline]
 f2fs_release_page+0x2fa/0x890 fs/f2fs/data.c:3600
 try_to_release_page+0x194/0x1f0 mm/filemap.c:4025
 shrink_page_list+0x1f22/0x5820 mm/vmscan.c:1754
 shrink_inactive_list mm/vmscan.c:2261 [inline]
 shrink_list mm/vmscan.c:2506 [inline]
 shrink_lruvec+0x17e9/0x4340 mm/vmscan.c:5694
 shrink_node_memcgs mm/vmscan.c:5886 [inline]
 shrink_node+0x1077/0x24e0 mm/vmscan.c:5916
 shrink_zones mm/vmscan.c:6119 [inline]
 do_try_to_free_pages+0x5b6/0x1570 mm/vmscan.c:6177
 try_to_free_mem_cgroup_pages+0x36c/0x850 mm/vmscan.c:6491
 memory_high_write+0x243/0x3b0 mm/memcontrol.c:6382
 cgroup_file_write+0x290/0x590 kernel/cgroup/cgroup.c:3943
 kernfs_fop_write_iter+0x2c4/0x410 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2159 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd8a/0x1160 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f159dfad169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f159ccde168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f159e0cd120 RCX: 00007f159dfad169
RDX: 0000000000000012 RSI: 0000000020000140 RDI: 0000000000000008
RBP: 00007f159e008ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffefaa6ce7f R14: 00007f159ccde300 R15: 0000000000022000
 </TASK>

Allocated by task 455:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13a/0x270 mm/slub.c:4425
 __kmalloc_node include/linux/slab.h:474 [inline]
 kmalloc_node include/linux/slab.h:631 [inline]
 kvmalloc_node+0x82/0x130 mm/util.c:623
 kvmalloc include/linux/mm.h:851 [inline]
 kvmalloc_array include/linux/mm.h:869 [inline]
 alloc_fdtable+0xeb/0x2a0 fs/file.c:136
 dup_fd+0x759/0xb00 fs/file.c:354
 copy_files+0xe6/0x200 kernel/fork.c:1612
 copy_process+0x11f3/0x3260 kernel/fork.c:2244
 kernel_clone+0x21e/0x9e0 kernel/fork.c:2659
 __do_sys_clone kernel/fork.c:2785 [inline]
 __se_sys_clone kernel/fork.c:2769 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2769
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Freed by task 25940:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 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+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3517 [inline]
 kfree+0xc8/0x220 mm/slub.c:4577
 kvfree+0x35/0x40 mm/util.c:658
 __free_fdtable fs/file.c:36 [inline]
 put_files_struct+0x284/0x320 fs/file.c:451
 exit_files+0x80/0xa0 fs/file.c:464
 do_exit+0xc29/0x2b60 kernel/exit.c:870
 do_group_exit+0x141/0x310 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1006
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 insert_work+0x56/0x320 kernel/workqueue.c:1369
 __queue_work+0x923/0xcd0 kernel/workqueue.c:1535
 queue_work_on+0x105/0x170 kernel/workqueue.c:1562
 queue_work include/linux/workqueue.h:507 [inline]
 io_ring_ctx_wait_and_kill+0x307/0x360 io_uring/io_uring.c:9775
 io_uring_release+0x5b/0x70 io_uring/io_uring.c:9783
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc60/0x2b60 kernel/exit.c:875
 do_group_exit+0x141/0x310 kernel/exit.c:997
 get_signal+0x7a3/0x1630 kernel/signal.c:2891
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Second to last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 insert_work+0x56/0x320 kernel/workqueue.c:1369
 __queue_work+0x923/0xcd0 kernel/workqueue.c:1535
 queue_work_on+0x105/0x170 kernel/workqueue.c:1562
 queue_work include/linux/workqueue.h:507 [inline]
 schedule_work include/linux/workqueue.h:568 [inline]
 destroy_super_rcu+0xd1/0xe0 fs/super.c:172
 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2509
 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2749
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2762
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565

The buggy address belongs to the object at ffff88816d7fc000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 968 bytes inside of
 2048-byte region [ffff88816d7fc000, ffff88816d7fc800)
The buggy address belongs to the page:
page:ffffea0005b5fe00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16d7f8
head:ffffea0005b5fe00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 0000000100000001 ffff888100043200
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 16060, ts 827923174594, free_ts 827632589049
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2502
 prep_new_page mm/page_alloc.c:2508 [inline]
 get_page_from_freelist+0x2c14/0x2cf0 mm/page_alloc.c:4291
 __alloc_pages+0x386/0x7b0 mm/page_alloc.c:5569
 allocate_slab mm/slub.c:1930 [inline]
 new_slab+0x92/0x490 mm/slub.c:1993
 ___slab_alloc+0x39e/0x830 mm/slub.c:3026
 __slab_alloc+0x4a/0x90 mm/slub.c:3113
 slab_alloc_node mm/slub.c:3204 [inline]
 slab_alloc mm/slub.c:3246 [inline]
 __kmalloc+0x16d/0x270 mm/slub.c:4421
 kmalloc include/linux/slab.h:613 [inline]
 sk_prot_alloc+0xf9/0x330 net/core/sock.c:1843
 sk_alloc+0x38/0x430 net/core/sock.c:1900
 __netlink_create net/netlink/af_netlink.c:647 [inline]
 netlink_create+0x3e9/0x640 net/netlink/af_netlink.c:710
 __sock_create+0x3a6/0x760 net/socket.c:1467
 sock_create net/socket.c:1518 [inline]
 __sys_socket+0x132/0x370 net/socket.c:1560
 __do_sys_socket net/socket.c:1569 [inline]
 __se_sys_socket net/socket.c:1567 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1567
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1370 [inline]
 free_pcp_prepare mm/page_alloc.c:1442 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3441
 free_unref_page+0xac/0x2c0 mm/page_alloc.c:3521
 free_the_page mm/page_alloc.c:711 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5645
 __free_slab+0xec/0x1d0 mm/slub.c:2018
 free_slab mm/slub.c:2033 [inline]
 discard_slab+0x29/0x40 mm/slub.c:2039
 __slab_free+0x205/0x290 mm/slub.c:3422
 do_slab_free mm/slub.c:3505 [inline]
 ___cache_free+0x109/0x120 mm/slub.c:3524
 qlink_free+0x4d/0x90 mm/kasan/quarantine.c:157
 qlist_free_all+0x44/0xb0 mm/kasan/quarantine.c:176
 kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:283
 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:443
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3238 [inline]
 slab_alloc mm/slub.c:3246 [inline]
 kmem_cache_alloc_trace+0xf9/0x210 mm/slub.c:3263
 kmalloc include/linux/slab.h:608 [inline]
 kzalloc include/linux/slab.h:738 [inline]
 set_kthread_struct kernel/kthread.c:103 [inline]
 kthread+0x112/0x510 kernel/kthread.c:281
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Memory state around the buggy address:
 ffff88816d7fc280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88816d7fc300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88816d7fc380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                              ^
 ffff88816d7fc400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88816d7fc480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
general protection fault, probably for non-canonical address 0xdffffc00000000e5: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000728-0x000000000000072f]
CPU: 1 PID: 26375 Comm: syz-executor.5 Tainted: G    B             5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:f2fs_release_page+0x309/0x890 fs/f2fs/data.c:3600
Code: 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 06 af 8b ff bb 28 07 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 3f 05 00 00 44 8b 3b bb 00 00 00 40 be
RSP: 0018:ffffc900001b6c40 EFLAGS: 00010202
RAX: 00000000000000e5 RBX: 0000000000000728 RCX: 0000000000040000
RDX: ffffc9000113b000 RSI: 0000000000000282 RDI: 0000000000035b53
RBP: ffffc900001b6c88 R08: ffffffff8141671b R09: 0000000000000003
R10: fffffbfff0e4f84c R11: dffffc0000000001 R12: ffffea0004009d80
R13: 4000000000002005 R14: dffffc0000000000 R15: ffff88816d7fc3c8
FS:  00007f159ccde700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020404030 CR3: 0000000129748000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 try_to_release_page+0x194/0x1f0 mm/filemap.c:4025
 shrink_page_list+0x1f22/0x5820 mm/vmscan.c:1754
 shrink_inactive_list mm/vmscan.c:2261 [inline]
 shrink_list mm/vmscan.c:2506 [inline]
 shrink_lruvec+0x17e9/0x4340 mm/vmscan.c:5694
 shrink_node_memcgs mm/vmscan.c:5886 [inline]
 shrink_node+0x1077/0x24e0 mm/vmscan.c:5916
 shrink_zones mm/vmscan.c:6119 [inline]
 do_try_to_free_pages+0x5b6/0x1570 mm/vmscan.c:6177
 try_to_free_mem_cgroup_pages+0x36c/0x850 mm/vmscan.c:6491
 memory_high_write+0x243/0x3b0 mm/memcontrol.c:6382
 cgroup_file_write+0x290/0x590 kernel/cgroup/cgroup.c:3943
 kernfs_fop_write_iter+0x2c4/0x410 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2159 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd8a/0x1160 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f159dfad169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f159ccde168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f159e0cd120 RCX: 00007f159dfad169
RDX: 0000000000000012 RSI: 0000000020000140 RDI: 0000000000000008
RBP: 00007f159e008ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffefaa6ce7f R14: 00007f159ccde300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace b5cb6c76f7546d22 ]---
RIP: 0010:f2fs_release_page+0x309/0x890 fs/f2fs/data.c:3600
Code: 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 06 af 8b ff bb 28 07 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 3f 05 00 00 44 8b 3b bb 00 00 00 40 be
RSP: 0018:ffffc900001b6c40 EFLAGS: 00010202
RAX: 00000000000000e5 RBX: 0000000000000728 RCX: 0000000000040000
RDX: ffffc9000113b000 RSI: 0000000000000282 RDI: 0000000000035b53
RBP: ffffc900001b6c88 R08: ffffffff8141671b R09: 0000000000000003
R10: fffffbfff0e4f84c R11: dffffc0000000001 R12: ffffea0004009d80
R13: 4000000000002005 R14: dffffc0000000000 R15: ffff88816d7fc3c8
FS:  00007f159ccde700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020147030 CR3: 0000000129748000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	4c 03 3b             	add    (%rbx),%r15
   5:	4c 89 f8             	mov    %r15,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1)
  11:	74 08                	je     0x1b
  13:	4c 89 ff             	mov    %r15,%rdi
  16:	e8 06 af 8b ff       	callq  0xff8baf21
  1b:	bb 28 07 00 00       	mov    $0x728,%ebx
  20:	49 03 1f             	add    (%r15),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 3f 05 00 00    	jne    0x576
  37:	44 8b 3b             	mov    (%rbx),%r15d
  3a:	bb 00 00 00 40       	mov    $0x40000000,%ebx
  3f:	be                   	.byte 0xbe