R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
==================================================================
BUG: KASAN: slab-out-of-bounds in f2fs_truncate_data_blocks_range+0x7f0/0xec0 fs/f2fs/file.c:574
Read of size 4 at addr ffff88812af17000 by task syz-executor.0/373

CPU: 1 PID: 373 Comm: syz-executor.0 Not tainted 6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x158/0x4e0 mm/kasan/report.c:427
 kasan_report+0x13c/0x170 mm/kasan/report.c:531
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
 f2fs_truncate_data_blocks_range+0x7f0/0xec0 fs/f2fs/file.c:574
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>

The buggy address belongs to the object at ffff88812af17000
 which belongs to the cache ip6_dst_cache of size 248
The buggy address is located 0 bytes inside of
 248-byte region [ffff88812af17000, ffff88812af170f8)

The buggy address belongs to the physical page:
page:ffffea0004abc5c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12af17
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881002e7380
raw: 0000000000000000 00000000800c000c 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 0x112a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 373, tgid 372 (syz-executor.0), ts 61012011117, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x213/0x220 mm/page_alloc.c:2582
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2589
 get_page_from_freelist+0x2762/0x27f0 mm/page_alloc.c:4387
 __alloc_pages+0x3a1/0x780 mm/page_alloc.c:5664
 allocate_slab mm/slub.c:1959 [inline]
 new_slab+0xce/0x4c0 mm/slub.c:2012
 ___slab_alloc+0x6f9/0xb80 mm/slub.c:3200
 __slab_alloc+0x5d/0xa0 mm/slub.c:3299
 slab_alloc_node mm/slub.c:3384 [inline]
 slab_alloc mm/slub.c:3426 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3433 [inline]
 kmem_cache_alloc+0x1b9/0x2c0 mm/slub.c:3442
 dst_alloc+0x164/0x1e0 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:344 [inline]
 icmp6_dst_alloc+0xf8/0x510 net/ipv6/route.c:3261
 ndisc_send_skb+0x28b/0xdc0 net/ipv6/ndisc.c:488
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:718
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3958
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1480
 expire_timers kernel/time/timer.c:1525 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1796
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1809
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88812af16f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88812af16f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88812af17000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff88812af17080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88812af17100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
F2FS-fs (loop0): access invalid blkaddr:2101654238
CPU: 0 PID: 373 Comm: syz-executor.0 Tainted: G    B              6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xda6/0x1450 fs/f2fs/checkpoint.c:218
 f2fs_truncate_data_blocks_range+0x64e/0xec0 fs/f2fs/file.c:592
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
F2FS-fs (loop0): access invalid blkaddr:3559488195
CPU: 0 PID: 373 Comm: syz-executor.0 Tainted: G    B              6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xda6/0x1450 fs/f2fs/checkpoint.c:218
 f2fs_truncate_data_blocks_range+0x64e/0xec0 fs/f2fs/file.c:592
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
F2FS-fs (loop0): access invalid blkaddr:170819584
CPU: 0 PID: 373 Comm: syz-executor.0 Tainted: G    B              6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xda6/0x1450 fs/f2fs/checkpoint.c:218
 f2fs_truncate_data_blocks_range+0x64e/0xec0 fs/f2fs/file.c:592
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
F2FS-fs (loop0): access invalid blkaddr:4294936705
CPU: 1 PID: 373 Comm: syz-executor.0 Tainted: G    B              6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xda6/0x1450 fs/f2fs/checkpoint.c:218
 f2fs_truncate_data_blocks_range+0x64e/0xec0 fs/f2fs/file.c:592
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
F2FS-fs (loop0): access invalid blkaddr:597665856
CPU: 1 PID: 373 Comm: syz-executor.0 Tainted: G    B              6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xda6/0x1450 fs/f2fs/checkpoint.c:218
 f2fs_truncate_data_blocks_range+0x64e/0xec0 fs/f2fs/file.c:592
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
F2FS-fs (loop0): access invalid blkaddr:4294936705
CPU: 0 PID: 373 Comm: syz-executor.0 Tainted: G    B              6.1.25-syzkaller-00822-gd7dacaa439c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xda6/0x1450 fs/f2fs/checkpoint.c:218
 f2fs_truncate_data_blocks_range+0x64e/0xec0 fs/f2fs/file.c:592
 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:632
 truncate_dnode fs/f2fs/node.c:944 [inline]
 f2fs_truncate_inode_blocks+0x969/0x1210 fs/f2fs/node.c:1154
 f2fs_do_truncate_blocks+0x74b/0xe00 fs/f2fs/file.c:721
 f2fs_truncate_blocks+0x111/0x310 fs/f2fs/file.c:749
 f2fs_truncate+0x1b9/0x3c0 fs/f2fs/file.c:799
 f2fs_setattr+0xced/0x1370 fs/f2fs/file.c:1006
 notify_change+0xe22/0x10e0 fs/attr.c:482
 do_truncate+0x21c/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x2726/0x2d60 fs/namei.c:3714
 do_filp_open+0x230/0x480 fs/namei.c:3741
 do_sys_openat2+0x13f/0x850 fs/open.c:1333
 do_sys_open fs/open.c:1349 [inline]
 __do_sys_creat fs/open.c:1425 [inline]
 __se_sys_creat fs/open.c:1419 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1419
 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+0x63/0xcd
RIP: 0033:0x7f9da187c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9da258d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f9da199bf80 RCX: 00007f9da187c959
RDX: 0000000000000000 RSI: 00000000000001f8 RDI: 00000000200000c0
RBP: 00007f9da18d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9da199bf80 R15: 00007ffe7bd747d8
 </TASK>
F2FS-fs (loop0): dec_valid_node_count: inconsistent i_blocks, ino:8, iblocks:0