RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
==================================================================
BUG: KASAN: use-after-free in f2fs_truncate_data_blocks_range+0x826/0xeb0 fs/f2fs/file.c:595
Read of size 4 at addr ffff88811ea97000 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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:595
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>

Allocated by task 45:
 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
 kmem_cache_alloc_node include/linux/slab.h:489 [inline]
 __alloc_skb+0xe0/0x740 net/core/skbuff.c:416
 alloc_skb include/linux/skbuff.h:1183 [inline]
 nlmsg_new include/net/netlink.h:953 [inline]
 inet6_netconf_notify_devconf+0xd6/0x190 net/ipv6/addrconf.c:585
 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7195 [inline]
 addrconf_exit_net+0xd6/0x200 net/ipv6/addrconf.c:7298
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x58b/0xad0 net/core/net_namespace.c:599
 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 45:
 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
 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1
 __kfree_skb net/core/skbuff.c:758 [inline]
 consume_skb+0xb3/0x1f0 net/core/skbuff.c:930
 netlink_broadcast_filtered+0x113a/0x1230 net/netlink/af_netlink.c:1538
 netlink_broadcast net/netlink/af_netlink.c:1560 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0xed/0x1b0 net/netlink/af_netlink.c:2554
 rtnl_notify+0x9a/0xc0 net/core/rtnetlink.c:759
 inet6_netconf_notify_devconf+0x12f/0x190 net/ipv6/addrconf.c:597
 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7195 [inline]
 addrconf_exit_net+0xd6/0x200 net/ipv6/addrconf.c:7298
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x58b/0xad0 net/core/net_namespace.c:599
 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 ffff88811ea97000
 which belongs to the cache skbuff_head_cache of size 248
The buggy address is located 0 bytes inside of
 248-byte region [ffff88811ea97000, ffff88811ea970f8)
The buggy address belongs to the page:
page:ffffea00047aa5c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11ea97
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081aaa80
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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 48751355101, free_ts 46739566495
 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+0x2cc5/0x2d50 mm/page_alloc.c:4485
 __alloc_pages+0x18f/0x440 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
 kmem_cache_alloc_node include/linux/slab.h:489 [inline]
 __alloc_skb+0xe0/0x740 net/core/skbuff.c:416
 alloc_skb include/linux/skbuff.h:1183 [inline]
 alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194
 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537
 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1816
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x423/0x580 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2071
 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
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+0x134/0x9d0 mm/page_alloc.c:3671
 release_pages+0xfda/0x1030 mm/swap.c:1014
 __pagevec_release+0x71/0xe0 mm/swap.c:1034
 pagevec_release include/linux/pagevec.h:81 [inline]
 truncate_inode_pages_range+0x2f7/0xd60 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:996
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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:
 ffff88811ea96f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88811ea96f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88811ea97000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88811ea97080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
 ffff88811ea97100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
F2FS-fs (loop2): access invalid blkaddr:377749504
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:45
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3938451749
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:25
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:28
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:28
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:128
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:269764608
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:269764608
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:768
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:1
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:45
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3886022949
CPU: 0 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:388857856
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </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 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:45
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3938451749
CPU: 1 PID: 480 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 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:613
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:652
 truncate_dnode fs/f2fs/node.c:950 [inline]
 f2fs_truncate_inode_blocks+0x62f/0xf70 fs/f2fs/node.c:1169
 f2fs_do_truncate_blocks+0x625/0xb20 fs/f2fs/file.c:741
 f2fs_truncate_blocks+0x10e/0x300 fs/f2fs/file.c:769
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:821
 f2fs_setattr+0xaca/0x11b0 fs/f2fs/file.c:999
 notify_change+0xbca/0xe90 fs/attr.c:505
 do_truncate+0x197/0x220 fs/open.c:66
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x2769/0x2f10 fs/namei.c:3742
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x14c/0x7b0 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_open fs/open.c:1258 [inline]
 __se_sys_open fs/open.c:1254 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1254
 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: 0033:0x7f94e171fbe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f94e1590038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f94e1946fa0 RCX: 00007f94e171fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f94e17a2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e1947038 R14: 00007f94e1946fa0 R15: 00007ffd193ec778
 </TASK>
F2FS-fs (loop2): Inconsistent i_blocks, ino:7, iblocks:0, sectors:8
F2FS-fs (loop2): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0