RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
==================================================================
BUG: KASAN: use-after-free in f2fs_truncate_data_blocks_range+0x826/0xeb0 fs/f2fs/file.c:635
Read of size 4 at addr ffff88811d8ac000 by task syz.2.17/480

CPU: 1 PID: 480 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0xf1/0x140 mm/kasan/report.c:444
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 f2fs_truncate_data_blocks_range+0x826/0xeb0 fs/f2fs/file.c:635
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>

Allocated by task 20:
 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_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3245 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260
 dst_alloc+0x15c/0x1d0 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:342 [inline]
 icmp6_dst_alloc+0xf5/0x560 net/ipv6/route.c:3280
 ndisc_send_skb+0x284/0xd10 net/ipv6/ndisc.c:493
 ndisc_send_rs+0x6e5/0x960 net/ipv6/ndisc.c:707
 addrconf_dad_completed+0x934/0xe20 net/ipv6/addrconf.c:4299
 addrconf_dad_work+0xc91/0x1560 net/ipv6/addrconf.c:-1
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 13:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 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:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kmem_cache_free+0x100/0x320 mm/slub.c:3544
 dst_destroy+0x1eb/0x2c0 net/core/dst.c:124
 dst_destroy_rcu+0x19/0x20 net/core/dst.c:137
 rcu_do_batch+0x532/0xbe0 kernel/rcu/tree.c:2523
 rcu_core+0x5ee/0xf80 kernel/rcu/tree.c:2763
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
 handle_softirqs+0x250/0x560 kernel/softirq.c:583
 run_ksoftirqd+0x28/0x40 kernel/softirq.c:959
 smpboot_thread_fn+0x45a/0x8c0 kernel/smpboot.c:164
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu_common kernel/rcu/tree.c:3011 [inline]
 call_rcu+0x10b/0xf80 kernel/rcu/tree.c:3129
 call_rcu_hurry include/linux/rcupdate.h:90 [inline]
 dst_release+0x123/0x190 net/core/dst.c:181
 refdst_drop include/net/dst.h:255 [inline]
 skb_dst_drop include/net/dst.h:267 [inline]
 __dev_queue_xmit+0x7b7/0x2df0 net/core/dev.c:4265
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4342
 neigh_resolve_output+0x6cf/0x770 net/core/neighbour.c:1504
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0x10b6/0x17a0 net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x61e/0x7d0 net/ipv6/ip6_output.c:201
 ip6_finish_output+0x31/0x240 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1fa/0x410 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:453 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x80d/0xd10 net/ipv6/ndisc.c:513
 ndisc_send_rs+0x6e5/0x960 net/ipv6/ndisc.c:707
 addrconf_dad_completed+0x934/0xe20 net/ipv6/addrconf.c:4299
 addrconf_dad_work+0xc91/0x1560 net/ipv6/addrconf.c:-1
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff88811d8ac000
 which belongs to the cache ip6_dst_cache of size 240
The buggy address is located 0 bytes inside of
 240-byte region [ffff88811d8ac000, ffff88811d8ac0f0)
The buggy address belongs to the page:
page:ffffea0004762b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11d8ac
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff88810bac5c80
raw: 0000000000000000 00000000000c000c 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 20, ts 50915358169, free_ts 49952780716
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x2d3a/0x2dc0 mm/page_alloc.c:4485
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5808
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa1/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x381/0x810 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0x138/0x260 mm/slub.c:3260
 dst_alloc+0x15c/0x1d0 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:342 [inline]
 icmp6_dst_alloc+0xf5/0x560 net/ipv6/route.c:3280
 ndisc_send_skb+0x284/0xd10 net/ipv6/ndisc.c:493
 ndisc_send_rs+0x6e5/0x960 net/ipv6/ndisc.c:707
 addrconf_dad_completed+0x934/0xe20 net/ipv6/addrconf.c:4299
 addrconf_dad_work+0xc91/0x1560 net/ipv6/addrconf.c:-1
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534
 free_unref_page_list+0x13a/0x9d0 mm/page_alloc.c:3671
 release_pages+0x1006/0x1060 mm/swap.c:1015
 __pagevec_release+0x71/0xe0 mm/swap.c:1035
 pagevec_release include/linux/pagevec.h:81 [inline]
 truncate_inode_pages_range+0x34c/0xe00 mm/truncate.c:332
 truncate_inode_pages mm/truncate.c:428 [inline]
 truncate_pagecache mm/truncate.c:743 [inline]
 truncate_setsize+0xbd/0xe0 mm/truncate.c:768
 f2fs_setattr+0xa8c/0x11b0 fs/f2fs/file.c:1036
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Memory state around the buggy address:
 ffff88811d8abf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88811d8abf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88811d8ac000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88811d8ac080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
 ffff88811d8ac100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
F2FS-fs (loop2): access invalid blkaddr:495669376
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:13
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2260730098
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:495673216
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2217156656
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2217054464
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294901760
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294942323
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:495635032
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:767
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:33554432
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:128
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:767
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:33554432
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:256
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3735879680
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:290
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3735879680
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4144206400
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:20
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3412066597
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4259316015
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:495672832
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:20
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4003463469
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 f2fs_is_valid_blkaddr+0xca0/0x12a0 fs/f2fs/checkpoint.c:205
 f2fs_truncate_data_blocks_range+0x67c/0xeb0 fs/f2fs/file.c:653
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:692
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x64c/0xfa0 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x833/0xb70 fs/f2fs/file.c:781
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:809
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:861
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:1039
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x2895/0x2f20 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x15e/0x7f0 fs/open.c:1236
 do_sys_open fs/open.c:1252 [inline]
 __do_sys_open fs/open.c:1260 [inline]
 __se_sys_open fs/open.c:1256 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1256
 x64_sys_call+0x3fc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd1aa182379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a9fe7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd1aa3bdfa0 RCX: 00007fd1aa182379
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fd1aa215d68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1aa3be038 R14: 00007fd1aa3bdfa0 R15: 00007ffcd9aa30d8
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:495671552
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106