RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 ================================================================== BUG: KASAN: use-after-free in f2fs_truncate_data_blocks_range+0x829/0xec0 fs/f2fs/file.c:599 Read of size 4 at addr ffff888116e72000 by task syz.2.16/476 CPU: 0 PID: 476 Comm: syz.2.16 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0xe2/0x130 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 f2fs_truncate_data_blocks_range+0x829/0xec0 fs/f2fs/file.c:599 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 Allocated by task 476: 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:430 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:463 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x165/0x2e0 mm/slub.c:2965 dst_alloc+0x176/0x4f0 net/core/dst.c:93 ip6_dst_alloc net/ipv6/route.c:340 [inline] icmp6_dst_alloc+0xf5/0x560 net/ipv6/route.c:3169 mld_sendpack+0x4b0/0xa80 net/ipv6/mcast.c:1665 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x84a/0xc50 net/ipv6/mcast.c:2471 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 expire_timers kernel/time/timer.c:1495 [inline] __run_timers+0x639/0x9a0 kernel/time/timer.c:1789 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802 __do_softirq+0x255/0x563 kernel/softirq.c:309 Freed by task 84: 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:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kmem_cache_free+0x100/0x2d0 mm/slub.c:3224 dst_destroy+0x18a/0x240 net/core/dst.c:126 dst_destroy_rcu+0x19/0x20 net/core/dst.c:139 rcu_do_batch+0x4df/0xa80 kernel/rcu/tree.c:2494 rcu_core+0x55f/0xd60 kernel/rcu/tree.c:2735 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2748 __do_softirq+0x255/0x563 kernel/softirq.c:309 Last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu kernel/rcu/tree.c:2980 [inline] call_rcu+0x10e/0x1050 kernel/rcu/tree.c:3054 dst_release+0x123/0x190 net/core/dst.c:183 refdst_drop include/net/dst.h:253 [inline] skb_dst_drop include/net/dst.h:265 [inline] __dev_queue_xmit+0x8d2/0x2540 net/core/dev.c:4166 dev_queue_xmit+0x17/0x20 net/core/dev.c:4243 neigh_connected_output+0x432/0x460 net/core/neighbour.c:1538 neigh_output include/net/neighbour.h:517 [inline] ip6_finish_output2+0xecd/0x1500 net/ipv6/ip6_output.c:130 __ip6_finish_output+0x5ff/0x790 net/ipv6/ip6_output.c:201 ip6_finish_output+0x33/0x1f0 net/ipv6/ip6_output.c:211 NF_HOOK_COND include/linux/netfilter.h:288 [inline] ip6_output+0x1d1/0x3b0 net/ipv6/ip6_output.c:234 dst_output include/net/dst.h:451 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] mld_sendpack+0x5e6/0xa80 net/ipv6/mcast.c:1676 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x84a/0xc50 net/ipv6/mcast.c:2471 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 expire_timers kernel/time/timer.c:1495 [inline] __run_timers+0x639/0x9a0 kernel/time/timer.c:1789 run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802 __do_softirq+0x255/0x563 kernel/softirq.c:309 The buggy address belongs to the object at ffff888116e72000 which belongs to the cache ip6_dst_cache of size 240 The buggy address is located 0 bytes inside of 240-byte region [ffff888116e72000, ffff888116e720f0) The buggy address belongs to the page: page:ffffea00045b9c80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116e72 flags: 0x4000000000000200(slab) raw: 4000000000000200 dead000000000100 dead000000000122 ffff88810bd90600 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 378, ts 44833409846, free_ts 44184057308 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x179/0x180 mm/page_alloc.c:2462 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5370 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x1af/0x2e0 mm/slub.c:2965 dst_alloc+0x176/0x4f0 net/core/dst.c:93 ip6_dst_alloc net/ipv6/route.c:340 [inline] icmp6_dst_alloc+0xf5/0x560 net/ipv6/route.c:3169 ndisc_send_skb+0x267/0xb40 net/ipv6/ndisc.c:493 ndisc_send_ns+0x842/0xaf0 net/ipv6/ndisc.c:655 addrconf_dad_work+0x9de/0x1410 net/ipv6/addrconf.c:4210 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x7fc/0x820 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5431 [inline] __free_pages+0xdd/0x380 mm/page_alloc.c:5440 __free_slab+0xcf/0x190 mm/slub.c:1899 free_slab mm/slub.c:1914 [inline] discard_slab mm/slub.c:1920 [inline] unfreeze_partials+0x15f/0x190 mm/slub.c:2415 put_cpu_partial+0xc1/0x180 mm/slub.c:2451 __slab_free+0x2c9/0x3a0 mm/slub.c:3100 do_slab_free mm/slub.c:3196 [inline] ___cache_free+0x111/0x130 mm/slub.c:3215 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xf0 mm/kasan/common.c:440 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x165/0x2e0 mm/slub.c:2965 kmem_cache_alloc_node include/linux/slab.h:423 [inline] __alloc_skb+0x9e/0x520 net/core/skbuff.c:200 alloc_skb include/linux/skbuff.h:1126 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1178 [inline] netlink_sendmsg+0x5f6/0xb30 net/netlink/af_netlink.c:1889 sock_sendmsg_nosec net/socket.c:652 [inline] __sock_sendmsg net/socket.c:664 [inline] __sys_sendto+0x41d/0x580 net/socket.c:2006 Memory state around the buggy address: ffff888116e71f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888116e71f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888116e72000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888116e72080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ffff888116e72100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ================================================================== F2FS-fs (loop2): access invalid blkaddr:384250496 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:84 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:3560964320 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:384251392 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:2213707696 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:2213610912 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294941729 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:384246168 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:767 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:369098752 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:128 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:767 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:369098752 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:256 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:3735879680 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:290 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:3735879680 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4144331200 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 1 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:476 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:2936013024 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:3808428308 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:384251648 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1a73549a9 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:00007fe1a6dc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe1a757bfa0 RCX: 00007fe1a73549a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fe1a73d6d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe1a757bfa0 R15: 00007ffe0a3cbdb8 F2FS-fs (loop2): access invalid blkaddr:84 CPU: 0 PID: 476 Comm: syz.2.16 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509