RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </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 ffff88812bb1a000 by task syz.2.17/481

CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>

Allocated by task 481:
 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
 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547
 deliver_clone net/bridge/br_forward.c:125 [inline]
 maybe_deliver+0x1ad/0x2b0 net/bridge/br_forward.c:189
 br_flood+0x2ea/0x420 net/bridge/br_forward.c:231
 br_dev_xmit+0xc68/0x1040 net/bridge/br_device.c:104
 __netdev_start_xmit include/linux/netdevice.h:5064 [inline]
 netdev_start_xmit include/linux/netdevice.h:5078 [inline]
 xmit_one net/core/dev.c:3657 [inline]
 dev_hard_start_xmit+0x244/0x670 net/core/dev.c:3673
 __dev_queue_xmit+0x17bd/0x2d80 net/core/dev.c:4296
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4329
 neigh_hh_output include/net/neighbour.h:501 [inline]
 neigh_output include/net/neighbour.h:515 [inline]
 ip_finish_output2+0xb7c/0xe60 net/ipv4/ip_output.c:228
 __ip_finish_output+0x161/0x360 net/ipv4/ip_output.c:-1
 ip_finish_output+0x31/0x240 net/ipv4/ip_output.c:316
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip_output+0x1e1/0x360 net/ipv4/ip_output.c:430
 dst_output include/net/dst.h:453 [inline]
 ip_local_out+0x96/0xb0 net/ipv4/ip_output.c:126
 igmpv3_sendpack net/ipv4/igmp.c:427 [inline]
 igmpv3_send_cr net/ipv4/igmp.c:723 [inline]
 igmp_ifc_timer_expire+0xa7d/0xf80 net/ipv4/igmp.c:813
 call_timer_fn+0x38/0x290 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x639/0x9a0 kernel/time/timer.c:1773
 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1786
 handle_softirqs+0x250/0x560 kernel/softirq.c:583
 __do_softirq kernel/softirq.c:621 [inline]
 invoke_softirq kernel/softirq.c:443 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:670
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:682
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676

Freed by task 393:
 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]
 kfree_skb_reason+0xc6/0x300 net/core/skbuff.c:778
 ip_rcv_finish_core+0xc47/0x1450 net/ipv4/ip_input.c:422
 ip_rcv_finish net/ipv4/ip_input.c:445 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ip_rcv+0xe0/0x260 net/ipv4/ip_input.c:566
 __netif_receive_skb_one_core net/core/dev.c:5533 [inline]
 __netif_receive_skb+0xc8/0x280 net/core/dev.c:5647
 process_backlog+0x368/0x600 net/core/dev.c:6524
 __napi_poll+0xbe/0x590 net/core/dev.c:7083
 napi_poll net/core/dev.c:7150 [inline]
 net_rx_action+0x371/0x8e0 net/core/dev.c:7240
 handle_softirqs+0x250/0x560 kernel/softirq.c:583
 __do_softirq kernel/softirq.c:621 [inline]
 invoke_softirq kernel/softirq.c:443 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:670
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:682
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
 sysvec_call_function_single+0x55/0xc0 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x1b/0x20 arch/x86/include/asm/idtentry.h:684

The buggy address belongs to the object at ffff88812bb1a000
 which belongs to the cache skbuff_head_cache of size 248
The buggy address is located 0 bytes inside of
 248-byte region [ffff88812bb1a000, ffff88812bb1a0f8)
The buggy address belongs to the page:
page:ffffea0004aec680 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12bb1a
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081aa900
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 481, ts 52065704071, free_ts 51644339013
 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]
 igmpv3_newpack+0x15e/0xca0 net/ipv4/igmp.c:362
 add_grhead+0x75/0x2e0 net/ipv4/igmp.c:443
 add_grec+0x116c/0x1410 net/ipv4/igmp.c:577
 igmpv3_send_cr net/ipv4/igmp.c:714 [inline]
 igmp_ifc_timer_expire+0x89e/0xf80 net/ipv4/igmp.c:813
 call_timer_fn+0x38/0x290 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x639/0x9a0 kernel/time/timer.c:1773
 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1786
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:
 ffff88812bb19f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88812bb19f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88812bb1a000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88812bb1a080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
 ffff88812bb1a100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
F2FS-fs (loop2): access invalid blkaddr:417755136
CPU: 0 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:393
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3221225811
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:399572992
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:22
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:40
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:14
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:65536
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2147647554
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:1641948603
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:22
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:1
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:148
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2621448
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:131088
CPU: 0 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:56
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:1664
CPU: 0 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:417755136
CPU: 0 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:417755152
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2304
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:1
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:481
CPU: 1 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:3980394818
CPU: 0 PID: 481 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: 0033:0x7f2a5a56fbe9
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:00007f2a5a3e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f2a5a796fa0 RCX: 00007f2a5a56fbe9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007f2a5a5f2e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a5a797038 R14: 00007f2a5a796fa0 R15: 00007ffeeb5d9718
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:417746944
CPU: 0 PID: 481 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: 0033:0x7f2a5a56fbe9