75.075961][ T5519] Call trace: [ 75.076538][ T5519] dump_backtrace+0x0/0x458 [ 75.077295][ T5519] show_stack+0x2c/0x3c [ 75.078020][ T5519] __dump_stack+0x30/0x40 [ 75.078747][ T5519] dump_stack_lvl+0xf4/0x15c [ 75.079494][ T5519] dump_stack+0x1c/0x5c [ 75.080253][ T5519] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.081226][ T5519] f2fs_iget+0x1b2c/0x5110 [ 75.081968][ T5519] f2fs_nfs_get_inode+0x80/0x118 [ 75.082821][ T5519] generic_fh_to_dentry+0x9c/0x104 [ 75.083712][ T5519] f2fs_fh_to_dentry+0x44/0x58 [ 75.084526][ T5519] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.085409][ T5519] exportfs_decode_fh+0x50/0x80 [ 75.086297][ T5519] do_handle_open+0x530/0x924 [ 75.087087][ T5519] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.088141][ T5519] invoke_syscall+0x98/0x2b0 [ 75.088892][ T5519] el0_svc_common+0x138/0x258 [ 75.089729][ T5519] do_el0_svc+0x58/0x13c [ 75.090477][ T5519] el0_svc+0x78/0x1d0 [ 75.091176][ T5519] el0t_64_sync_handler+0xcc/0xe4 [ 75.092078][ T5519] el0t_64_sync+0x1a0/0x1a4 [ 75.119696][ T5519] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.122341][ T5560] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.123694][ T5560] CPU: 0 PID: 5560 Comm: syz.0.40 Not tainted syzkaller #0 [ 75.124975][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.126699][ T5560] Call trace: [ 75.127305][ T5560] dump_backtrace+0x0/0x458 [ 75.128144][ T5560] show_stack+0x2c/0x3c [ 75.128879][ T5560] __dump_stack+0x30/0x40 [ 75.129678][ T5560] dump_stack_lvl+0xf4/0x15c [ 75.130483][ T5560] dump_stack+0x1c/0x5c [ 75.131241][ T5560] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.132165][ T5560] f2fs_iget+0x1b2c/0x5110 [ 75.132915][ T5560] f2fs_nfs_get_inode+0x80/0x118 [ 75.133809][ T5560] generic_fh_to_dentry+0x9c/0x104 [ 75.134726][ T5560] f2fs_fh_to_dentry+0x44/0x58 [ 75.135568][ T5560] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.136469][ T5560] exportfs_decode_fh+0x50/0x80 [ 75.137325][ T5560] do_handle_open+0x530/0x924 [ 75.138222][ T5560] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.139261][ T5560] invoke_syscall+0x98/0x2b0 [ 75.140019][ T5560] el0_svc_common+0x138/0x258 [ 75.140872][ T5560] do_el0_svc+0x58/0x13c [ 75.141644][ T5560] el0_svc+0x78/0x1d0 [ 75.142348][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 75.143170][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 75.148176][ T5549] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.161861][ T5530] loop2: detected capacity change from 0 to 40427 [ 75.173921][ T5560] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.239708][ T5530] F2FS-fs (loop2): Found nat_bits in checkpoint [ 75.297445][ T5530] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 75.305808][ T5530] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.307026][ T5530] CPU: 1 PID: 5530 Comm: syz.2.41 Not tainted syzkaller #0 [ 75.308240][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.309964][ T5530] Call trace: [ 75.310467][ T5530] dump_backtrace+0x0/0x458 [ 75.311172][ T5530] show_stack+0x2c/0x3c [ 75.311847][ T5530] __dump_stack+0x30/0x40 [ 75.312590][ T5530] dump_stack_lvl+0xf4/0x15c [ 75.313375][ T5530] dump_stack+0x1c/0x5c [ 75.314028][ T5530] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.314972][ T5530] f2fs_iget+0x1b2c/0x5110 [ 75.315796][ T5530] f2fs_nfs_get_inode+0x80/0x118 [ 75.316698][ T5530] generic_fh_to_dentry+0x9c/0x104 [ 75.317660][ T5530] f2fs_fh_to_dentry+0x44/0x58 [ 75.318481][ T5530] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.319372][ T5530] exportfs_decode_fh+0x50/0x80 [ 75.320206][ T5530] do_handle_open+0x530/0x924 [ 75.321004][ T5530] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.322046][ T5530] invoke_syscall+0x98/0x2b0 [ 75.322847][ T5530] el0_svc_common+0x138/0x258 [ 75.323661][ T5530] do_el0_svc+0x58/0x13c [ 75.324372][ T5530] el0_svc+0x78/0x1d0 [ 75.325061][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 75.325542][ T5541] loop4: detected capacity change from 0 to 40427 [ 75.325895][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 75.360233][ T5541] F2FS-fs (loop4): Found nat_bits in checkpoint [ 75.385393][ T5541] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 75.387419][ T5541] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.390684][ T5541] CPU: 0 PID: 5541 Comm: syz.4.42 Not tainted syzkaller #0 [ 75.391920][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.393608][ T5541] Call trace: [ 75.394210][ T5541] dump_backtrace+0x0/0x458 [ 75.394978][ T5541] show_stack+0x2c/0x3c [ 75.395633][ T5541] __dump_stack+0x30/0x40 [ 75.396436][ T5541] dump_stack_lvl+0xf4/0x15c [ 75.397265][ T5541] dump_stack+0x1c/0x5c [ 75.398015][ T5541] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.398963][ T5541] f2fs_iget+0x1b2c/0x5110 [ 75.399787][ T5541] f2fs_nfs_get_inode+0x80/0x118 [ 75.400640][ T5541] generic_fh_to_dentry+0x9c/0x104 [ 75.401483][ T5541] f2fs_fh_to_dentry+0x44/0x58 [ 75.402339][ T5541] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.403222][ T5541] exportfs_decode_fh+0x50/0x80 [ 75.404005][ T5541] do_handle_open+0x530/0x924 [ 75.404792][ T5541] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.405734][ T5541] invoke_syscall+0x98/0x2b0 [ 75.406545][ T5541] el0_svc_common+0x138/0x258 [ 75.407281][ T5541] do_el0_svc+0x58/0x13c [ 75.407923][ T5541] el0_svc+0x78/0x1d0 [ 75.408578][ T5541] el0t_64_sync_handler+0xcc/0xe4 [ 75.409422][ T5541] el0t_64_sync+0x1a0/0x1a4 [ 75.422727][ T136] team0 (unregistering): Port device team_slave_1 removed [ 75.439214][ T5530] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.449294][ T5573] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.450665][ T5573] CPU: 1 PID: 5573 Comm: syz.2.41 Not tainted syzkaller #0 [ 75.451854][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.452537][ T5541] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.453654][ T5573] Call trace: [ 75.456222][ T5573] dump_backtrace+0x0/0x458 [ 75.457013][ T5573] show_stack+0x2c/0x3c [ 75.457734][ T5573] __dump_stack+0x30/0x40 [ 75.458511][ T5573] dump_stack_lvl+0xf4/0x15c [ 75.459343][ T5573] dump_stack+0x1c/0x5c [ 75.460091][ T5573] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.461019][ T5573] f2fs_iget+0x1b2c/0x5110 [ 75.461809][ T5573] f2fs_nfs_get_inode+0x80/0x118 [ 75.462705][ T5573] generic_fh_to_dentry+0x9c/0x104 [ 75.463581][ T5573] f2fs_fh_to_dentry+0x44/0x58 [ 75.463682][ T5574] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.464381][ T5573] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.464402][ T5573] exportfs_decode_fh+0x50/0x80 [ 75.464410][ T5573] do_handle_open+0x530/0x924 [ 75.464417][ T5573] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.469188][ T5573] invoke_syscall+0x98/0x2b0 [ 75.469970][ T5573] el0_svc_common+0x138/0x258 [ 75.470791][ T5573] do_el0_svc+0x58/0x13c [ 75.471576][ T5573] el0_svc+0x78/0x1d0 [ 75.472252][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 75.473132][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 75.482538][ T5574] CPU: 0 PID: 5574 Comm: syz.4.42 Not tainted syzkaller #0 [ 75.483730][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.485519][ T5574] Call trace: [ 75.486108][ T5574] dump_backtrace+0x0/0x458 [ 75.486900][ T5574] show_stack+0x2c/0x3c [ 75.487648][ T5574] __dump_stack+0x30/0x40 [ 75.488331][ T136] team0 (unregistering): Port device team_slave_0 removed [ 75.488406][ T5574] dump_stack_lvl+0xf4/0x15c [ 75.490519][ T5574] dump_stack+0x1c/0x5c [ 75.491193][ T5574] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.492085][ T5574] f2fs_iget+0x1b2c/0x5110 [ 75.492855][ T5574] f2fs_nfs_get_inode+0x80/0x118 [ 75.493724][ T5574] generic_fh_to_dentry+0x9c/0x104 [ 75.494603][ T5574] f2fs_fh_to_dentry+0x44/0x58 [ 75.495410][ T5574] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.496376][ T5574] exportfs_decode_fh+0x50/0x80 [ 75.497211][ T5574] do_handle_open+0x530/0x924 [ 75.498101][ T5574] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.499144][ T5574] invoke_syscall+0x98/0x2b0 [ 75.500004][ T5574] el0_svc_common+0x138/0x258 [ 75.500843][ T5574] do_el0_svc+0x58/0x13c [ 75.501522][ T5574] el0_svc+0x78/0x1d0 [ 75.502185][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 75.503138][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 75.506426][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.533983][ T5552] loop3: detected capacity change from 0 to 40427 [ 75.538997][ T5573] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.566910][ T5574] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.575066][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface 1970/01/01 00:01:15 executed programs: 40 [ 75.600565][ T5552] F2FS-fs (loop3): Found nat_bits in checkpoint [ 75.646443][ T5552] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 75.649585][ T5552] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.650847][ T5552] CPU: 1 PID: 5552 Comm: syz.3.43 Not tainted syzkaller #0 [ 75.652209][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.654000][ T5552] Call trace: [ 75.654569][ T5552] dump_backtrace+0x0/0x458 [ 75.655442][ T5552] show_stack+0x2c/0x3c [ 75.656177][ T5552] __dump_stack+0x30/0x40 [ 75.656990][ T5552] dump_stack_lvl+0xf4/0x15c [ 75.657747][ T5552] dump_stack+0x1c/0x5c [ 75.658490][ T5552] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.659467][ T5552] f2fs_iget+0x1b2c/0x5110 [ 75.660253][ T5552] f2fs_nfs_get_inode+0x80/0x118 [ 75.661131][ T5552] generic_fh_to_dentry+0x9c/0x104 [ 75.662026][ T5552] f2fs_fh_to_dentry+0x44/0x58 [ 75.662824][ T5552] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.663853][ T5552] exportfs_decode_fh+0x50/0x80 [ 75.664702][ T5552] do_handle_open+0x530/0x924 [ 75.665505][ T5552] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.666481][ T5552] invoke_syscall+0x98/0x2b0 [ 75.667284][ T5552] el0_svc_common+0x138/0x258 [ 75.668132][ T5552] do_el0_svc+0x58/0x13c [ 75.668898][ T5552] el0_svc+0x78/0x1d0 [ 75.669640][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 75.670572][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 75.685025][ T5566] F2FS-fs (loop1): Found nat_bits in checkpoint [ 75.707377][ T5566] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 75.709362][ T5566] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.710640][ T5566] CPU: 1 PID: 5566 Comm: syz.1.44 Not tainted syzkaller #0 [ 75.711932][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.713600][ T5566] Call trace: [ 75.714211][ T5566] dump_backtrace+0x0/0x458 [ 75.715043][ T5566] show_stack+0x2c/0x3c [ 75.715746][ T5566] __dump_stack+0x30/0x40 [ 75.716518][ T5566] dump_stack_lvl+0xf4/0x15c [ 75.717291][ T5566] dump_stack+0x1c/0x5c [ 75.718020][ T5566] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.718959][ T5566] f2fs_iget+0x1b2c/0x5110 [ 75.719724][ T5566] f2fs_nfs_get_inode+0x80/0x118 [ 75.720626][ T5566] generic_fh_to_dentry+0x9c/0x104 [ 75.721564][ T5566] f2fs_fh_to_dentry+0x44/0x58 [ 75.722517][ T5566] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.723456][ T5566] exportfs_decode_fh+0x50/0x80 [ 75.724301][ T5566] do_handle_open+0x530/0x924 [ 75.725103][ T5566] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.726114][ T5566] invoke_syscall+0x98/0x2b0 [ 75.726962][ T5566] el0_svc_common+0x138/0x258 [ 75.727788][ T5566] do_el0_svc+0x58/0x13c [ 75.728528][ T5566] el0_svc+0x78/0x1d0 [ 75.729211][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 75.730095][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 75.771608][ T5552] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.774019][ T5585] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.775467][ T5585] CPU: 0 PID: 5585 Comm: syz.3.43 Not tainted syzkaller #0 [ 75.776702][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.778449][ T5585] Call trace: [ 75.779041][ T5585] dump_backtrace+0x0/0x458 [ 75.779836][ T5585] show_stack+0x2c/0x3c [ 75.780531][ T5585] __dump_stack+0x30/0x40 [ 75.781308][ T5585] dump_stack_lvl+0xf4/0x15c [ 75.782081][ T5566] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.782106][ T5585] dump_stack+0x1c/0x5c [ 75.784800][ T5585] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.785687][ T5585] f2fs_iget+0x1b2c/0x5110 [ 75.786477][ T5585] f2fs_nfs_get_inode+0x80/0x118 [ 75.787290][ T5585] generic_fh_to_dentry+0x9c/0x104 [ 75.788156][ T5585] f2fs_fh_to_dentry+0x44/0x58 [ 75.788979][ T5585] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.789880][ T5585] exportfs_decode_fh+0x50/0x80 [ 75.790714][ T5585] do_handle_open+0x530/0x924 [ 75.791537][ T5585] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.792149][ T5588] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 75.792537][ T5585] invoke_syscall+0x98/0x2b0 [ 75.794582][ T5585] el0_svc_common+0x138/0x258 [ 75.795325][ T5585] do_el0_svc+0x58/0x13c [ 75.795991][ T5585] el0_svc+0x78/0x1d0 [ 75.796699][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 75.797504][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 75.798287][ T5588] CPU: 1 PID: 5588 Comm: syz.1.44 Not tainted syzkaller #0 [ 75.799525][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.801258][ T5588] Call trace: [ 75.801859][ T5588] dump_backtrace+0x0/0x458 [ 75.802614][ T5588] show_stack+0x2c/0x3c [ 75.803312][ T5588] __dump_stack+0x30/0x40 [ 75.804088][ T5588] dump_stack_lvl+0xf4/0x15c [ 75.804905][ T5588] dump_stack+0x1c/0x5c [ 75.805611][ T5588] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 75.806517][ T5588] f2fs_iget+0x1b2c/0x5110 [ 75.807263][ T5588] f2fs_nfs_get_inode+0x80/0x118 [ 75.808101][ T5588] generic_fh_to_dentry+0x9c/0x104 [ 75.809034][ T5588] f2fs_fh_to_dentry+0x44/0x58 [ 75.809873][ T5588] exportfs_decode_fh_raw+0x13c/0x4e8 [ 75.810800][ T5588] exportfs_decode_fh+0x50/0x80 [ 75.811672][ T5588] do_handle_open+0x530/0x924 [ 75.812471][ T5588] __arm64_sys_open_by_handle_at+0x80/0x94 [ 75.813502][ T5588] invoke_syscall+0x98/0x2b0 [ 75.814283][ T5588] el0_svc_common+0x138/0x258 [ 75.815137][ T5588] do_el0_svc+0x58/0x13c [ 75.815899][ T5588] el0_svc+0x78/0x1d0 [ 75.816558][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 75.817409][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 75.827295][ T136] bond0 (unregistering): Released all slaves [ 75.873995][ T5588] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 75.907755][ T5585] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.045339][ T5572] F2FS-fs (loop0): Found nat_bits in checkpoint [ 76.084284][ T5572] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 76.086618][ T5572] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.087889][ T5572] CPU: 1 PID: 5572 Comm: syz.0.45 Not tainted syzkaller #0 [ 76.089207][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.090936][ T5572] Call trace: [ 76.091449][ T5572] dump_backtrace+0x0/0x458 [ 76.092146][ T5572] show_stack+0x2c/0x3c [ 76.092903][ T5572] __dump_stack+0x30/0x40 [ 76.093665][ T5572] dump_stack_lvl+0xf4/0x15c [ 76.094456][ T5572] dump_stack+0x1c/0x5c [ 76.095144][ T5572] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.096088][ T5572] f2fs_iget+0x1b2c/0x5110 [ 76.096785][ T5572] f2fs_nfs_get_inode+0x80/0x118 [ 76.097595][ T5572] generic_fh_to_dentry+0x9c/0x104 [ 76.098277][ T5579] F2FS-fs (loop4): Found nat_bits in checkpoint [ 76.098474][ T5572] f2fs_fh_to_dentry+0x44/0x58 [ 76.100281][ T5572] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.101235][ T5572] exportfs_decode_fh+0x50/0x80 [ 76.102087][ T5572] do_handle_open+0x530/0x924 [ 76.102932][ T5572] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.103951][ T5572] invoke_syscall+0x98/0x2b0 [ 76.104789][ T5572] el0_svc_common+0x138/0x258 [ 76.105639][ T5572] do_el0_svc+0x58/0x13c [ 76.106420][ T5572] el0_svc+0x78/0x1d0 [ 76.107116][ T5572] el0t_64_sync_handler+0xcc/0xe4 [ 76.108060][ T5572] el0t_64_sync+0x1a0/0x1a4 [ 76.127029][ T5579] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 76.129482][ T5579] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.130763][ T5579] CPU: 0 PID: 5579 Comm: syz.4.47 Not tainted syzkaller #0 [ 76.131965][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.133745][ T5579] Call trace: [ 76.134262][ T5579] dump_backtrace+0x0/0x458 [ 76.134991][ T5579] show_stack+0x2c/0x3c [ 76.135680][ T5579] __dump_stack+0x30/0x40 [ 76.136432][ T5579] dump_stack_lvl+0xf4/0x15c [ 76.137226][ T5579] dump_stack+0x1c/0x5c [ 76.137947][ T5579] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.138915][ T5579] f2fs_iget+0x1b2c/0x5110 [ 76.139670][ T5579] f2fs_nfs_get_inode+0x80/0x118 [ 76.140516][ T5579] generic_fh_to_dentry+0x9c/0x104 [ 76.141399][ T5579] f2fs_fh_to_dentry+0x44/0x58 [ 76.142217][ T5579] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.143165][ T5579] exportfs_decode_fh+0x50/0x80 [ 76.143999][ T5579] do_handle_open+0x530/0x924 [ 76.144805][ T5579] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.145779][ T5579] invoke_syscall+0x98/0x2b0 [ 76.146629][ T5579] el0_svc_common+0x138/0x258 [ 76.147473][ T5579] do_el0_svc+0x58/0x13c [ 76.148221][ T5579] el0_svc+0x78/0x1d0 [ 76.148968][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 76.149824][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 76.156981][ T5587] F2FS-fs (loop2): Found nat_bits in checkpoint [ 76.186352][ T5579] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.187297][ T5572] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.195277][ T5610] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.196755][ T5610] CPU: 0 PID: 5610 Comm: syz.4.47 Not tainted syzkaller #0 [ 76.197852][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.199604][ T5610] Call trace: [ 76.200205][ T5610] dump_backtrace+0x0/0x458 [ 76.201018][ T5610] show_stack+0x2c/0x3c [ 76.201698][ T5610] __dump_stack+0x30/0x40 [ 76.202425][ T5610] dump_stack_lvl+0xf4/0x15c [ 76.203206][ T5610] dump_stack+0x1c/0x5c [ 76.203954][ T5610] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.204868][ T5610] f2fs_iget+0x1b2c/0x5110 [ 76.205568][ T5610] f2fs_nfs_get_inode+0x80/0x118 [ 76.206289][ T5611] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.206326][ T5610] generic_fh_to_dentry+0x9c/0x104 [ 76.208527][ T5610] f2fs_fh_to_dentry+0x44/0x58 [ 76.209290][ T5610] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.210149][ T5610] exportfs_decode_fh+0x50/0x80 [ 76.210959][ T5610] do_handle_open+0x530/0x924 [ 76.211751][ T5610] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.212791][ T5610] invoke_syscall+0x98/0x2b0 [ 76.213630][ T5610] el0_svc_common+0x138/0x258 [ 76.214493][ T5610] do_el0_svc+0x58/0x13c [ 76.215230][ T5610] el0_svc+0x78/0x1d0 [ 76.215936][ T5610] el0t_64_sync_handler+0xcc/0xe4 [ 76.216753][ T5610] el0t_64_sync+0x1a0/0x1a4 [ 76.220126][ T5611] CPU: 1 PID: 5611 Comm: syz.0.45 Not tainted syzkaller #0 [ 76.221302][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.223054][ T5611] Call trace: [ 76.223613][ T5611] dump_backtrace+0x0/0x458 [ 76.224391][ T5611] show_stack+0x2c/0x3c [ 76.225112][ T5611] __dump_stack+0x30/0x40 [ 76.225863][ T5611] dump_stack_lvl+0xf4/0x15c [ 76.226693][ T5611] dump_stack+0x1c/0x5c [ 76.227403][ T5611] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.228366][ T5611] f2fs_iget+0x1b2c/0x5110 [ 76.229167][ T5611] f2fs_nfs_get_inode+0x80/0x118 [ 76.230054][ T5611] generic_fh_to_dentry+0x9c/0x104 [ 76.230994][ T5611] f2fs_fh_to_dentry+0x44/0x58 [ 76.231867][ T5611] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.232749][ T5611] exportfs_decode_fh+0x50/0x80 [ 76.233569][ T5611] do_handle_open+0x530/0x924 [ 76.234355][ T5611] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.235327][ T5611] invoke_syscall+0x98/0x2b0 [ 76.236116][ T5611] el0_svc_common+0x138/0x258 [ 76.236932][ T5611] do_el0_svc+0x58/0x13c [ 76.237666][ T5611] el0_svc+0x78/0x1d0 [ 76.238396][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 76.239333][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 76.240511][ T5587] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 76.245390][ T5587] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.246786][ T5587] CPU: 1 PID: 5587 Comm: syz.2.46 Not tainted syzkaller #0 [ 76.248001][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.249921][ T5587] Call trace: [ 76.250483][ T5587] dump_backtrace+0x0/0x458 [ 76.251196][ T5587] show_stack+0x2c/0x3c [ 76.251899][ T5587] __dump_stack+0x30/0x40 [ 76.252617][ T5587] dump_stack_lvl+0xf4/0x15c [ 76.253423][ T5587] dump_stack+0x1c/0x5c [ 76.254104][ T5587] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.255007][ T5587] f2fs_iget+0x1b2c/0x5110 [ 76.255755][ T5587] f2fs_nfs_get_inode+0x80/0x118 [ 76.256638][ T5587] generic_fh_to_dentry+0x9c/0x104 [ 76.257516][ T5587] f2fs_fh_to_dentry+0x44/0x58 [ 76.258324][ T5587] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.259215][ T5587] exportfs_decode_fh+0x50/0x80 [ 76.260077][ T5587] do_handle_open+0x530/0x924 [ 76.260945][ T5587] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.261989][ T5587] invoke_syscall+0x98/0x2b0 [ 76.262738][ T5587] el0_svc_common+0x138/0x258 [ 76.263494][ T5587] do_el0_svc+0x58/0x13c [ 76.264220][ T5587] el0_svc+0x78/0x1d0 [ 76.264923][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 76.265761][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 76.266576][ T5610] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.300053][ T5587] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.302325][ T5611] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.306164][ T5618] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.313105][ T5618] CPU: 1 PID: 5618 Comm: syz.2.46 Not tainted syzkaller #0 [ 76.314306][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.316037][ T5618] Call trace: [ 76.316603][ T5618] dump_backtrace+0x0/0x458 [ 76.317417][ T5618] show_stack+0x2c/0x3c [ 76.318135][ T5618] __dump_stack+0x30/0x40 [ 76.318839][ T5618] dump_stack_lvl+0xf4/0x15c [ 76.319634][ T5618] dump_stack+0x1c/0x5c [ 76.320336][ T5618] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.321329][ T5618] f2fs_iget+0x1b2c/0x5110 [ 76.322111][ T5618] f2fs_nfs_get_inode+0x80/0x118 [ 76.322981][ T5618] generic_fh_to_dentry+0x9c/0x104 [ 76.323904][ T5618] f2fs_fh_to_dentry+0x44/0x58 [ 76.324743][ T5618] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.325647][ T5618] exportfs_decode_fh+0x50/0x80 [ 76.326488][ T5618] do_handle_open+0x530/0x924 [ 76.327282][ T5618] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.328330][ T5618] invoke_syscall+0x98/0x2b0 [ 76.329122][ T5618] el0_svc_common+0x138/0x258 [ 76.329901][ T5618] do_el0_svc+0x58/0x13c [ 76.330663][ T5618] el0_svc+0x78/0x1d0 [ 76.331358][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 76.332208][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 76.370376][ T5618] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.439834][ T5593] F2FS-fs (loop1): Found nat_bits in checkpoint [ 76.464339][ T5593] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 76.466445][ T5593] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.467773][ T5593] CPU: 1 PID: 5593 Comm: syz.1.48 Not tainted syzkaller #0 [ 76.468911][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.470684][ T5593] Call trace: [ 76.471192][ T5593] dump_backtrace+0x0/0x458 [ 76.471992][ T5593] show_stack+0x2c/0x3c [ 76.472733][ T5593] __dump_stack+0x30/0x40 [ 76.473483][ T5593] dump_stack_lvl+0xf4/0x15c [ 76.474294][ T5593] dump_stack+0x1c/0x5c [ 76.474920][ T5593] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.475870][ T5593] f2fs_iget+0x1b2c/0x5110 [ 76.476648][ T5593] f2fs_nfs_get_inode+0x80/0x118 [ 76.477565][ T5593] generic_fh_to_dentry+0x9c/0x104 [ 76.478472][ T5593] f2fs_fh_to_dentry+0x44/0x58 [ 76.479276][ T5593] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.480178][ T5593] exportfs_decode_fh+0x50/0x80 [ 76.481054][ T5593] do_handle_open+0x530/0x924 [ 76.481874][ T5593] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.482940][ T5593] invoke_syscall+0x98/0x2b0 [ 76.483796][ T5593] el0_svc_common+0x138/0x258 [ 76.484552][ T5593] do_el0_svc+0x58/0x13c [ 76.485281][ T5593] el0_svc+0x78/0x1d0 [ 76.485931][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 76.486746][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 76.594109][ T5593] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.598403][ T5635] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.599637][ T5635] CPU: 1 PID: 5635 Comm: syz.1.48 Not tainted syzkaller #0 [ 76.600881][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.602675][ T5635] Call trace: [ 76.603205][ T5635] dump_backtrace+0x0/0x458 [ 76.604024][ T5635] show_stack+0x2c/0x3c [ 76.604810][ T5635] __dump_stack+0x30/0x40 [ 76.605518][ T5635] dump_stack_lvl+0xf4/0x15c [ 76.606323][ T5635] dump_stack+0x1c/0x5c [ 76.607036][ T5635] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.607922][ T5635] f2fs_iget+0x1b2c/0x5110 [ 76.608718][ T5635] f2fs_nfs_get_inode+0x80/0x118 [ 76.609535][ T5635] generic_fh_to_dentry+0x9c/0x104 [ 76.610482][ T5635] f2fs_fh_to_dentry+0x44/0x58 [ 76.611333][ T5635] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.612357][ T5635] exportfs_decode_fh+0x50/0x80 [ 76.613206][ T5635] do_handle_open+0x530/0x924 [ 76.614015][ T5635] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.614947][ T5635] invoke_syscall+0x98/0x2b0 [ 76.615705][ T5635] el0_svc_common+0x138/0x258 [ 76.616492][ T5635] do_el0_svc+0x58/0x13c [ 76.617236][ T5635] el0_svc+0x78/0x1d0 [ 76.617929][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 76.618796][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 76.672061][ T5606] F2FS-fs (loop3): Found nat_bits in checkpoint [ 76.702341][ T5606] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 76.704926][ T5635] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.707367][ T5606] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.709325][ T5606] CPU: 0 PID: 5606 Comm: syz.3.49 Not tainted syzkaller #0 [ 76.710487][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.712140][ T5606] Call trace: [ 76.712702][ T5606] dump_backtrace+0x0/0x458 [ 76.713375][ T5606] show_stack+0x2c/0x3c [ 76.714047][ T5606] __dump_stack+0x30/0x40 [ 76.714758][ T5606] dump_stack_lvl+0xf4/0x15c [ 76.715498][ T5606] dump_stack+0x1c/0x5c [ 76.716238][ T5606] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.717105][ T5606] f2fs_iget+0x1b2c/0x5110 [ 76.717872][ T5606] f2fs_nfs_get_inode+0x80/0x118 [ 76.718708][ T5606] generic_fh_to_dentry+0x9c/0x104 [ 76.719595][ T5606] f2fs_fh_to_dentry+0x44/0x58 [ 76.720448][ T5606] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.721420][ T5606] exportfs_decode_fh+0x50/0x80 [ 76.722322][ T5606] do_handle_open+0x530/0x924 [ 76.723102][ T5606] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.724169][ T5606] invoke_syscall+0x98/0x2b0 [ 76.724918][ T5606] el0_svc_common+0x138/0x258 [ 76.725765][ T5606] do_el0_svc+0x58/0x13c [ 76.726508][ T5606] el0_svc+0x78/0x1d0 [ 76.727188][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 76.728105][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 76.783941][ T5606] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.826065][ T5648] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.827471][ T5648] CPU: 1 PID: 5648 Comm: syz.3.49 Not tainted syzkaller #0 [ 76.828827][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.830774][ T5648] Call trace: [ 76.831337][ T5648] dump_backtrace+0x0/0x458 [ 76.832145][ T5648] show_stack+0x2c/0x3c [ 76.832850][ T5648] __dump_stack+0x30/0x40 [ 76.833602][ T5648] dump_stack_lvl+0xf4/0x15c [ 76.834424][ T5648] dump_stack+0x1c/0x5c [ 76.835160][ T5648] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.836154][ T5648] f2fs_iget+0x1b2c/0x5110 [ 76.836958][ T5648] f2fs_nfs_get_inode+0x80/0x118 [ 76.837834][ T5648] generic_fh_to_dentry+0x9c/0x104 [ 76.838741][ T5648] f2fs_fh_to_dentry+0x44/0x58 [ 76.839598][ T5648] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.840571][ T5648] exportfs_decode_fh+0x50/0x80 [ 76.841409][ T5648] do_handle_open+0x530/0x924 [ 76.842219][ T5648] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.843169][ T5648] invoke_syscall+0x98/0x2b0 [ 76.843972][ T5648] el0_svc_common+0x138/0x258 [ 76.844749][ T5648] do_el0_svc+0x58/0x13c [ 76.845451][ T5648] el0_svc+0x78/0x1d0 [ 76.846108][ T5648] el0t_64_sync_handler+0xcc/0xe4 [ 76.847008][ T5648] el0t_64_sync+0x1a0/0x1a4 [ 76.919025][ T5632] F2FS-fs (loop4): Found nat_bits in checkpoint [ 76.924616][ T5648] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 76.943407][ T5632] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 76.948447][ T5632] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 76.949938][ T5632] CPU: 1 PID: 5632 Comm: syz.4.50 Not tainted syzkaller #0 [ 76.951163][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.952847][ T5632] Call trace: [ 76.953438][ T5632] dump_backtrace+0x0/0x458 [ 76.954277][ T5632] show_stack+0x2c/0x3c [ 76.954973][ T5632] __dump_stack+0x30/0x40 [ 76.955766][ T5632] dump_stack_lvl+0xf4/0x15c [ 76.956599][ T5632] dump_stack+0x1c/0x5c [ 76.957335][ T5632] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 76.958279][ T5632] f2fs_iget+0x1b2c/0x5110 [ 76.959070][ T5632] f2fs_nfs_get_inode+0x80/0x118 [ 76.959981][ T5632] generic_fh_to_dentry+0x9c/0x104 [ 76.960867][ T5632] f2fs_fh_to_dentry+0x44/0x58 [ 76.961711][ T5632] exportfs_decode_fh_raw+0x13c/0x4e8 [ 76.962606][ T5632] exportfs_decode_fh+0x50/0x80 [ 76.963480][ T5632] do_handle_open+0x530/0x924 [ 76.964332][ T5632] __arm64_sys_open_by_handle_at+0x80/0x94 [ 76.965358][ T5632] invoke_syscall+0x98/0x2b0 [ 76.966153][ T5632] el0_svc_common+0x138/0x258 [ 76.966999][ T5632] do_el0_svc+0x58/0x13c [ 76.967732][ T5632] el0_svc+0x78/0x1d0 [ 76.968466][ T5632] el0t_64_sync_handler+0xcc/0xe4 [ 76.969413][ T5632] el0t_64_sync+0x1a0/0x1a4 [ 76.998058][ T5622] F2FS-fs (loop0): Found nat_bits in checkpoint [ 77.027914][ T5622] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 77.030908][ T5622] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.032129][ T5622] CPU: 1 PID: 5622 Comm: syz.0.51 Not tainted syzkaller #0 [ 77.033486][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.035282][ T5622] Call trace: [ 77.035818][ T5622] dump_backtrace+0x0/0x458 [ 77.036552][ T5622] show_stack+0x2c/0x3c [ 77.037302][ T5622] __dump_stack+0x30/0x40 [ 77.038015][ T5622] dump_stack_lvl+0xf4/0x15c [ 77.038771][ T5622] dump_stack+0x1c/0x5c [ 77.039484][ T5622] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.040424][ T5622] f2fs_iget+0x1b2c/0x5110 [ 77.041194][ T5622] f2fs_nfs_get_inode+0x80/0x118 [ 77.042088][ T5622] generic_fh_to_dentry+0x9c/0x104 [ 77.042971][ T5622] f2fs_fh_to_dentry+0x44/0x58 [ 77.043805][ T5622] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.044750][ T5622] exportfs_decode_fh+0x50/0x80 [ 77.045554][ T5622] do_handle_open+0x530/0x924 [ 77.046424][ T5622] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.047457][ T5622] invoke_syscall+0x98/0x2b0 [ 77.048238][ T5622] el0_svc_common+0x138/0x258 [ 77.049015][ T5622] do_el0_svc+0x58/0x13c [ 77.049767][ T5622] el0_svc+0x78/0x1d0 [ 77.050497][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 77.051329][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 77.059951][ T5626] F2FS-fs (loop2): Found nat_bits in checkpoint [ 77.082471][ T5632] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.099904][ T5626] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 77.102232][ T5667] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.102965][ T5626] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.103795][ T5667] CPU: 0 PID: 5667 Comm: syz.4.50 Not tainted syzkaller #0 [ 77.106179][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.107946][ T5667] Call trace: [ 77.108517][ T5667] dump_backtrace+0x0/0x458 [ 77.109292][ T5667] show_stack+0x2c/0x3c [ 77.109974][ T5667] __dump_stack+0x30/0x40 [ 77.110635][ T5667] dump_stack_lvl+0xf4/0x15c [ 77.111422][ T5667] dump_stack+0x1c/0x5c [ 77.112123][ T5667] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.113057][ T5667] f2fs_iget+0x1b2c/0x5110 [ 77.113872][ T5667] f2fs_nfs_get_inode+0x80/0x118 [ 77.114720][ T5667] generic_fh_to_dentry+0x9c/0x104 [ 77.115585][ T5667] f2fs_fh_to_dentry+0x44/0x58 [ 77.116408][ T5667] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.117305][ T5667] exportfs_decode_fh+0x50/0x80 [ 77.118170][ T5667] do_handle_open+0x530/0x924 [ 77.118955][ T5667] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.120029][ T5667] invoke_syscall+0x98/0x2b0 [ 77.120818][ T5667] el0_svc_common+0x138/0x258 [ 77.121599][ T5667] do_el0_svc+0x58/0x13c [ 77.122277][ T5667] el0_svc+0x78/0x1d0 [ 77.122955][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 77.123818][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 77.138890][ T5626] CPU: 1 PID: 5626 Comm: syz.2.52 Not tainted syzkaller #0 [ 77.140150][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.141804][ T5626] Call trace: [ 77.142342][ T5626] dump_backtrace+0x0/0x458 [ 77.143052][ T5626] show_stack+0x2c/0x3c [ 77.143744][ T5626] __dump_stack+0x30/0x40 [ 77.144486][ T5626] dump_stack_lvl+0xf4/0x15c [ 77.145276][ T5626] dump_stack+0x1c/0x5c [ 77.145981][ T5626] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.146892][ T5626] f2fs_iget+0x1b2c/0x5110 [ 77.147672][ T5626] f2fs_nfs_get_inode+0x80/0x118 [ 77.148490][ T5626] generic_fh_to_dentry+0x9c/0x104 [ 77.149405][ T5626] f2fs_fh_to_dentry+0x44/0x58 [ 77.150226][ T5626] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.151116][ T5626] exportfs_decode_fh+0x50/0x80 [ 77.151977][ T5626] do_handle_open+0x530/0x924 [ 77.152780][ T5626] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.153739][ T5626] invoke_syscall+0x98/0x2b0 [ 77.154534][ T5626] el0_svc_common+0x138/0x258 [ 77.155403][ T5626] do_el0_svc+0x58/0x13c [ 77.156194][ T5626] el0_svc+0x78/0x1d0 [ 77.156967][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 77.157783][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 77.167456][ T5622] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.174209][ T5677] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.175421][ T5677] CPU: 1 PID: 5677 Comm: syz.0.51 Not tainted syzkaller #0 [ 77.176686][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.178461][ T5677] Call trace: [ 77.179046][ T5677] dump_backtrace+0x0/0x458 [ 77.179847][ T5677] show_stack+0x2c/0x3c [ 77.180609][ T5677] __dump_stack+0x30/0x40 [ 77.181351][ T5677] dump_stack_lvl+0xf4/0x15c [ 77.182138][ T5677] dump_stack+0x1c/0x5c [ 77.182893][ T5677] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.183808][ T5677] f2fs_iget+0x1b2c/0x5110 [ 77.184608][ T5677] f2fs_nfs_get_inode+0x80/0x118 [ 77.185449][ T5677] generic_fh_to_dentry+0x9c/0x104 [ 77.186355][ T5677] f2fs_fh_to_dentry+0x44/0x58 [ 77.187174][ T5677] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.188103][ T5677] exportfs_decode_fh+0x50/0x80 [ 77.188950][ T5677] do_handle_open+0x530/0x924 [ 77.189823][ T5677] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.190831][ T5677] invoke_syscall+0x98/0x2b0 [ 77.191601][ T5677] el0_svc_common+0x138/0x258 [ 77.192431][ T5677] do_el0_svc+0x58/0x13c [ 77.193159][ T5677] el0_svc+0x78/0x1d0 [ 77.193843][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 77.194698][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 77.207195][ T5667] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.235563][ T5626] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.244804][ T5677] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.247640][ T5679] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.249038][ T5679] CPU: 0 PID: 5679 Comm: syz.2.52 Not tainted syzkaller #0 [ 77.250280][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.252053][ T5679] Call trace: [ 77.252651][ T5679] dump_backtrace+0x0/0x458 [ 77.253447][ T5679] show_stack+0x2c/0x3c [ 77.254162][ T5679] __dump_stack+0x30/0x40 [ 77.254867][ T5679] dump_stack_lvl+0xf4/0x15c [ 77.255652][ T5679] dump_stack+0x1c/0x5c [ 77.256329][ T5679] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.257211][ T5679] f2fs_iget+0x1b2c/0x5110 [ 77.257999][ T5679] f2fs_nfs_get_inode+0x80/0x118 [ 77.258837][ T5679] generic_fh_to_dentry+0x9c/0x104 [ 77.259703][ T5679] f2fs_fh_to_dentry+0x44/0x58 [ 77.260524][ T5679] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.261476][ T5679] exportfs_decode_fh+0x50/0x80 [ 77.262272][ T5679] do_handle_open+0x530/0x924 [ 77.263053][ T5679] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.264102][ T5679] invoke_syscall+0x98/0x2b0 [ 77.264915][ T5679] el0_svc_common+0x138/0x258 [ 77.265752][ T5679] do_el0_svc+0x58/0x13c [ 77.266500][ T5679] el0_svc+0x78/0x1d0 [ 77.267204][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 77.268062][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 77.278057][ T5651] F2FS-fs (loop1): Found nat_bits in checkpoint [ 77.294205][ T5679] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.334697][ T5651] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 77.337254][ T5651] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.338724][ T5651] CPU: 1 PID: 5651 Comm: syz.1.53 Not tainted syzkaller #0 [ 77.339994][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.341801][ T5651] Call trace: [ 77.342382][ T5651] dump_backtrace+0x0/0x458 [ 77.343239][ T5651] show_stack+0x2c/0x3c [ 77.343982][ T5651] __dump_stack+0x30/0x40 [ 77.344765][ T5651] dump_stack_lvl+0xf4/0x15c [ 77.345540][ T5651] dump_stack+0x1c/0x5c [ 77.346213][ T5651] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.347084][ T5651] f2fs_iget+0x1b2c/0x5110 [ 77.347823][ T5651] f2fs_nfs_get_inode+0x80/0x118 [ 77.348635][ T5651] generic_fh_to_dentry+0x9c/0x104 [ 77.349544][ T5651] f2fs_fh_to_dentry+0x44/0x58 [ 77.350352][ T5651] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.351332][ T5651] exportfs_decode_fh+0x50/0x80 [ 77.352143][ T5651] do_handle_open+0x530/0x924 [ 77.352942][ T5651] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.353920][ T5651] invoke_syscall+0x98/0x2b0 [ 77.354725][ T5651] el0_svc_common+0x138/0x258 [ 77.355540][ T5651] do_el0_svc+0x58/0x13c [ 77.356300][ T5651] el0_svc+0x78/0x1d0 [ 77.357009][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 77.357924][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 77.404189][ T5662] F2FS-fs (loop3): Found nat_bits in checkpoint [ 77.439477][ T5651] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.442700][ T5662] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 77.446045][ T5695] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.447524][ T5662] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.448870][ T5662] CPU: 1 PID: 5662 Comm: syz.3.54 Not tainted syzkaller #0 [ 77.450064][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.451752][ T5662] Call trace: [ 77.452302][ T5662] dump_backtrace+0x0/0x458 [ 77.453113][ T5662] show_stack+0x2c/0x3c [ 77.453811][ T5662] __dump_stack+0x30/0x40 [ 77.454542][ T5662] dump_stack_lvl+0xf4/0x15c [ 77.455414][ T5662] dump_stack+0x1c/0x5c [ 77.456168][ T5662] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.457055][ T5662] f2fs_iget+0x1b2c/0x5110 [ 77.457830][ T5662] f2fs_nfs_get_inode+0x80/0x118 [ 77.458713][ T5662] generic_fh_to_dentry+0x9c/0x104 [ 77.459643][ T5662] f2fs_fh_to_dentry+0x44/0x58 [ 77.460489][ T5662] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.461470][ T5662] exportfs_decode_fh+0x50/0x80 [ 77.462363][ T5662] do_handle_open+0x530/0x924 [ 77.463181][ T5662] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.464248][ T5662] invoke_syscall+0x98/0x2b0 [ 77.465111][ T5662] el0_svc_common+0x138/0x258 [ 77.465945][ T5662] do_el0_svc+0x58/0x13c [ 77.466669][ T5662] el0_svc+0x78/0x1d0 [ 77.467366][ T5662] el0t_64_sync_handler+0xcc/0xe4 [ 77.468294][ T5662] el0t_64_sync+0x1a0/0x1a4 [ 77.473659][ T5695] CPU: 1 PID: 5695 Comm: syz.1.53 Not tainted syzkaller #0 [ 77.474888][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.476604][ T5695] Call trace: [ 77.477201][ T5695] dump_backtrace+0x0/0x458 [ 77.477992][ T5695] show_stack+0x2c/0x3c [ 77.478719][ T5695] __dump_stack+0x30/0x40 [ 77.479471][ T5695] dump_stack_lvl+0xf4/0x15c [ 77.480329][ T5695] dump_stack+0x1c/0x5c [ 77.481022][ T5695] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.481883][ T5695] f2fs_iget+0x1b2c/0x5110 [ 77.482700][ T5695] f2fs_nfs_get_inode+0x80/0x118 [ 77.483558][ T5695] generic_fh_to_dentry+0x9c/0x104 [ 77.484485][ T5695] f2fs_fh_to_dentry+0x44/0x58 [ 77.485320][ T5695] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.486202][ T5695] exportfs_decode_fh+0x50/0x80 [ 77.487084][ T5695] do_handle_open+0x530/0x924 [ 77.487878][ T5695] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.488887][ T5695] invoke_syscall+0x98/0x2b0 [ 77.489664][ T5695] el0_svc_common+0x138/0x258 [ 77.490451][ T5695] do_el0_svc+0x58/0x13c [ 77.491191][ T5695] el0_svc+0x78/0x1d0 [ 77.491902][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 77.492743][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 77.554197][ T5662] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.564181][ T5695] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.568018][ T5702] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.569385][ T5702] CPU: 0 PID: 5702 Comm: syz.3.54 Not tainted syzkaller #0 [ 77.570516][ T5702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.572156][ T5702] Call trace: [ 77.572715][ T5702] dump_backtrace+0x0/0x458 [ 77.573491][ T5702] show_stack+0x2c/0x3c [ 77.574213][ T5702] __dump_stack+0x30/0x40 [ 77.574971][ T5702] dump_stack_lvl+0xf4/0x15c [ 77.575784][ T5702] dump_stack+0x1c/0x5c [ 77.576466][ T5702] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.577426][ T5702] f2fs_iget+0x1b2c/0x5110 [ 77.578134][ T5702] f2fs_nfs_get_inode+0x80/0x118 [ 77.578967][ T5702] generic_fh_to_dentry+0x9c/0x104 [ 77.579904][ T5702] f2fs_fh_to_dentry+0x44/0x58 [ 77.580735][ T5702] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.581637][ T5702] exportfs_decode_fh+0x50/0x80 [ 77.582448][ T5702] do_handle_open+0x530/0x924 [ 77.583357][ T5702] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.584373][ T5702] invoke_syscall+0x98/0x2b0 [ 77.585169][ T5702] el0_svc_common+0x138/0x258 [ 77.586018][ T5702] do_el0_svc+0x58/0x13c [ 77.586787][ T5702] el0_svc+0x78/0x1d0 [ 77.587467][ T5702] el0t_64_sync_handler+0xcc/0xe4 [ 77.588334][ T5702] el0t_64_sync+0x1a0/0x1a4 [ 77.783993][ T5702] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 77.863582][ T5691] F2FS-fs (loop0): Found nat_bits in checkpoint [ 77.913333][ T5691] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 77.915609][ T5691] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.917000][ T5691] CPU: 1 PID: 5691 Comm: syz.0.56 Not tainted syzkaller #0 [ 77.918265][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.920015][ T5691] Call trace: [ 77.920558][ T5691] dump_backtrace+0x0/0x458 [ 77.921355][ T5691] show_stack+0x2c/0x3c [ 77.922122][ T5691] __dump_stack+0x30/0x40 [ 77.922831][ T5691] dump_stack_lvl+0xf4/0x15c [ 77.923639][ T5691] dump_stack+0x1c/0x5c [ 77.924378][ T5691] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 77.925278][ T5691] f2fs_iget+0x1b2c/0x5110 [ 77.926088][ T5691] f2fs_nfs_get_inode+0x80/0x118 [ 77.926936][ T5691] generic_fh_to_dentry+0x9c/0x104 [ 77.927807][ T5691] f2fs_fh_to_dentry+0x44/0x58 [ 77.928643][ T5691] exportfs_decode_fh_raw+0x13c/0x4e8 [ 77.929549][ T5691] exportfs_decode_fh+0x50/0x80 [ 77.930429][ T5691] do_handle_open+0x530/0x924 [ 77.931205][ T5691] __arm64_sys_open_by_handle_at+0x80/0x94 [ 77.932196][ T5691] invoke_syscall+0x98/0x2b0 [ 77.932981][ T5691] el0_svc_common+0x138/0x258 [ 77.933796][ T5691] do_el0_svc+0x58/0x13c [ 77.934517][ T5691] el0_svc+0x78/0x1d0 [ 77.935249][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 77.936079][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 77.953263][ T5686] F2FS-fs (loop4): Found nat_bits in checkpoint [ 77.974010][ T5686] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 77.991669][ T5686] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 77.993735][ T5689] F2FS-fs (loop2): Found nat_bits in checkpoint [ 78.003899][ T5686] CPU: 1 PID: 5686 Comm: syz.4.55 Not tainted syzkaller #0 [ 78.005078][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.006785][ T5686] Call trace: [ 78.007384][ T5686] dump_backtrace+0x0/0x458 [ 78.008159][ T5686] show_stack+0x2c/0x3c [ 78.008948][ T5686] __dump_stack+0x30/0x40 [ 78.009711][ T5686] dump_stack_lvl+0xf4/0x15c [ 78.010512][ T5686] dump_stack+0x1c/0x5c [ 78.011235][ T5686] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.012118][ T5686] f2fs_iget+0x1b2c/0x5110 [ 78.012917][ T5686] f2fs_nfs_get_inode+0x80/0x118 [ 78.013703][ T5686] generic_fh_to_dentry+0x9c/0x104 [ 78.014661][ T5686] f2fs_fh_to_dentry+0x44/0x58 [ 78.015559][ T5686] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.016480][ T5686] exportfs_decode_fh+0x50/0x80 [ 78.017324][ T5686] do_handle_open+0x530/0x924 [ 78.018047][ T5686] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.019088][ T5686] invoke_syscall+0x98/0x2b0 [ 78.019943][ T5686] el0_svc_common+0x138/0x258 [ 78.020742][ T5686] do_el0_svc+0x58/0x13c [ 78.021411][ T5686] el0_svc+0x78/0x1d0 [ 78.022101][ T5686] el0t_64_sync_handler+0xcc/0xe4 [ 78.022993][ T5686] el0t_64_sync+0x1a0/0x1a4 [ 78.024742][ T5691] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.027573][ T5737] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.028771][ T5737] CPU: 0 PID: 5737 Comm: syz.0.56 Not tainted syzkaller #0 [ 78.029984][ T5737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.031638][ T5737] Call trace: [ 78.032208][ T5737] dump_backtrace+0x0/0x458 [ 78.032969][ T5737] show_stack+0x2c/0x3c [ 78.033673][ T5737] __dump_stack+0x30/0x40 [ 78.034425][ T5737] dump_stack_lvl+0xf4/0x15c [ 78.035305][ T5737] dump_stack+0x1c/0x5c [ 78.036037][ T5737] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.037029][ T5737] f2fs_iget+0x1b2c/0x5110 [ 78.037788][ T5737] f2fs_nfs_get_inode+0x80/0x118 [ 78.038659][ T5737] generic_fh_to_dentry+0x9c/0x104 [ 78.039591][ T5737] f2fs_fh_to_dentry+0x44/0x58 [ 78.040405][ T5737] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.041315][ T5737] exportfs_decode_fh+0x50/0x80 [ 78.042205][ T5737] do_handle_open+0x530/0x924 [ 78.043000][ T5737] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.043938][ T5737] invoke_syscall+0x98/0x2b0 [ 78.044692][ T5737] el0_svc_common+0x138/0x258 [ 78.045519][ T5737] do_el0_svc+0x58/0x13c [ 78.046311][ T5737] el0_svc+0x78/0x1d0 [ 78.047046][ T5737] el0t_64_sync_handler+0xcc/0xe4 [ 78.048014][ T5737] el0t_64_sync+0x1a0/0x1a4 [ 78.055344][ T5689] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 78.057300][ T5689] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.058568][ T5689] CPU: 1 PID: 5689 Comm: syz.2.57 Not tainted syzkaller #0 [ 78.059818][ T5689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.061539][ T5689] Call trace: [ 78.062059][ T5689] dump_backtrace+0x0/0x458 [ 78.062872][ T5689] show_stack+0x2c/0x3c [ 78.063570][ T5689] __dump_stack+0x30/0x40 [ 78.064284][ T5689] dump_stack_lvl+0xf4/0x15c [ 78.065117][ T5689] dump_stack+0x1c/0x5c [ 78.065843][ T5689] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.066792][ T5689] f2fs_iget+0x1b2c/0x5110 [ 78.067547][ T5689] f2fs_nfs_get_inode+0x80/0x118 [ 78.068356][ T5689] generic_fh_to_dentry+0x9c/0x104 [ 78.069290][ T5689] f2fs_fh_to_dentry+0x44/0x58 [ 78.070073][ T5689] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.071039][ T5689] exportfs_decode_fh+0x50/0x80 [ 78.071919][ T5689] do_handle_open+0x530/0x924 [ 78.072758][ T5689] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.073783][ T5689] invoke_syscall+0x98/0x2b0 [ 78.074567][ T5689] el0_svc_common+0x138/0x258 [ 78.075414][ T5689] do_el0_svc+0x58/0x13c [ 78.076207][ T5689] el0_svc+0x78/0x1d0 [ 78.076916][ T5689] el0t_64_sync_handler+0xcc/0xe4 [ 78.077803][ T5689] el0t_64_sync+0x1a0/0x1a4 [ 78.083280][ T5737] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.114744][ T5686] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.124562][ T5742] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.125823][ T5742] CPU: 1 PID: 5742 Comm: syz.4.55 Not tainted syzkaller #0 [ 78.127046][ T5742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.128747][ T5742] Call trace: [ 78.129565][ T5742] dump_backtrace+0x0/0x458 [ 78.130333][ T5742] show_stack+0x2c/0x3c [ 78.130982][ T5742] __dump_stack+0x30/0x40 [ 78.131722][ T5742] dump_stack_lvl+0xf4/0x15c [ 78.132515][ T5742] dump_stack+0x1c/0x5c [ 78.133151][ T5742] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.133946][ T5742] f2fs_iget+0x1b2c/0x5110 [ 78.134694][ T5742] f2fs_nfs_get_inode+0x80/0x118 [ 78.135498][ T5742] generic_fh_to_dentry+0x9c/0x104 [ 78.136342][ T5742] f2fs_fh_to_dentry+0x44/0x58 [ 78.137196][ T5742] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.138106][ T5742] exportfs_decode_fh+0x50/0x80 [ 78.138922][ T5742] do_handle_open+0x530/0x924 [ 78.139773][ T5742] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.140805][ T5742] invoke_syscall+0x98/0x2b0 [ 78.141569][ T5742] el0_svc_common+0x138/0x258 [ 78.142365][ T5742] do_el0_svc+0x58/0x13c [ 78.143115][ T5742] el0_svc+0x78/0x1d0 [ 78.143799][ T5742] el0t_64_sync_handler+0xcc/0xe4 [ 78.144671][ T5742] el0t_64_sync+0x1a0/0x1a4 [ 78.154310][ T5689] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.157842][ T5741] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.159145][ T5741] CPU: 1 PID: 5741 Comm: syz.2.57 Not tainted syzkaller #0 [ 78.160387][ T5741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.162121][ T5741] Call trace: [ 78.162674][ T5741] dump_backtrace+0x0/0x458 [ 78.163450][ T5741] show_stack+0x2c/0x3c [ 78.164136][ T5741] __dump_stack+0x30/0x40 [ 78.164887][ T5741] dump_stack_lvl+0xf4/0x15c [ 78.165671][ T5741] dump_stack+0x1c/0x5c [ 78.166355][ T5741] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.167313][ T5741] f2fs_iget+0x1b2c/0x5110 [ 78.168119][ T5741] f2fs_nfs_get_inode+0x80/0x118 [ 78.168954][ T5741] generic_fh_to_dentry+0x9c/0x104 [ 78.169801][ T5741] f2fs_fh_to_dentry+0x44/0x58 [ 78.170574][ T5741] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.171516][ T5741] exportfs_decode_fh+0x50/0x80 [ 78.172346][ T5741] do_handle_open+0x530/0x924 [ 78.173130][ T5741] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.174139][ T5741] invoke_syscall+0x98/0x2b0 [ 78.174940][ T5741] el0_svc_common+0x138/0x258 [ 78.175789][ T5741] do_el0_svc+0x58/0x13c [ 78.176480][ T5741] el0_svc+0x78/0x1d0 [ 78.177223][ T5741] el0t_64_sync_handler+0xcc/0xe4 [ 78.178145][ T5741] el0t_64_sync+0x1a0/0x1a4 [ 78.234101][ T5741] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.307126][ T5742] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.316083][ T5707] F2FS-fs (loop1): Found nat_bits in checkpoint [ 78.337129][ T5707] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 78.341119][ T5707] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.343623][ T5707] CPU: 1 PID: 5707 Comm: syz.1.58 Not tainted syzkaller #0 [ 78.344793][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.346566][ T5707] Call trace: [ 78.347102][ T5707] dump_backtrace+0x0/0x458 [ 78.347915][ T5707] show_stack+0x2c/0x3c [ 78.348659][ T5707] __dump_stack+0x30/0x40 [ 78.349443][ T5707] dump_stack_lvl+0xf4/0x15c [ 78.350252][ T5707] dump_stack+0x1c/0x5c [ 78.350953][ T5707] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.351912][ T5707] f2fs_iget+0x1b2c/0x5110 [ 78.352690][ T5707] f2fs_nfs_get_inode+0x80/0x118 [ 78.353532][ T5707] generic_fh_to_dentry+0x9c/0x104 [ 78.354409][ T5707] f2fs_fh_to_dentry+0x44/0x58 [ 78.355226][ T5707] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.356175][ T5707] exportfs_decode_fh+0x50/0x80 [ 78.356996][ T5707] do_handle_open+0x530/0x924 [ 78.357816][ T5707] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.358837][ T5707] invoke_syscall+0x98/0x2b0 [ 78.359624][ T5707] el0_svc_common+0x138/0x258 [ 78.360379][ T5707] do_el0_svc+0x58/0x13c [ 78.361139][ T5707] el0_svc+0x78/0x1d0 [ 78.361881][ T5707] el0t_64_sync_handler+0xcc/0xe4 [ 78.362741][ T5707] el0t_64_sync+0x1a0/0x1a4 [ 78.448852][ T5707] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.451095][ T5766] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.452384][ T5766] CPU: 0 PID: 5766 Comm: syz.1.58 Not tainted syzkaller #0 [ 78.453518][ T5766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.455258][ T5766] Call trace: [ 78.455812][ T5766] dump_backtrace+0x0/0x458 [ 78.456605][ T5766] show_stack+0x2c/0x3c [ 78.457353][ T5766] __dump_stack+0x30/0x40 [ 78.458143][ T5766] dump_stack_lvl+0xf4/0x15c [ 78.458903][ T5766] dump_stack+0x1c/0x5c [ 78.459608][ T5766] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.460521][ T5766] f2fs_iget+0x1b2c/0x5110 [ 78.461298][ T5766] f2fs_nfs_get_inode+0x80/0x118 [ 78.462155][ T5766] generic_fh_to_dentry+0x9c/0x104 [ 78.463000][ T5766] f2fs_fh_to_dentry+0x44/0x58 [ 78.463737][ T5766] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.464675][ T5766] exportfs_decode_fh+0x50/0x80 [ 78.465580][ T5766] do_handle_open+0x530/0x924 [ 78.466383][ T5766] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.467398][ T5766] invoke_syscall+0x98/0x2b0 [ 78.468190][ T5766] el0_svc_common+0x138/0x258 [ 78.469037][ T5766] do_el0_svc+0x58/0x13c [ 78.469791][ T5766] el0_svc+0x78/0x1d0 [ 78.470487][ T5766] el0t_64_sync_handler+0xcc/0xe4 [ 78.471372][ T5766] el0t_64_sync+0x1a0/0x1a4 [ 78.645725][ T5766] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.697528][ T5745] F2FS-fs (loop3): Found nat_bits in checkpoint [ 78.725289][ T5745] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 78.727836][ T5745] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.729164][ T5745] CPU: 0 PID: 5745 Comm: syz.3.61 Not tainted syzkaller #0 [ 78.730381][ T5745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.732207][ T5745] Call trace: [ 78.732822][ T5745] dump_backtrace+0x0/0x458 [ 78.733601][ T5745] show_stack+0x2c/0x3c [ 78.734392][ T5745] __dump_stack+0x30/0x40 [ 78.735176][ T5745] dump_stack_lvl+0xf4/0x15c [ 78.735919][ T5745] dump_stack+0x1c/0x5c [ 78.736623][ T5745] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.737524][ T5745] f2fs_iget+0x1b2c/0x5110 [ 78.738298][ T5745] f2fs_nfs_get_inode+0x80/0x118 [ 78.739149][ T5745] generic_fh_to_dentry+0x9c/0x104 [ 78.740021][ T5745] f2fs_fh_to_dentry+0x44/0x58 [ 78.740847][ T5745] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.741818][ T5745] exportfs_decode_fh+0x50/0x80 [ 78.742627][ T5745] do_handle_open+0x530/0x924 [ 78.743409][ T5745] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.744402][ T5745] invoke_syscall+0x98/0x2b0 [ 78.745183][ T5745] el0_svc_common+0x138/0x258 [ 78.745917][ T5745] do_el0_svc+0x58/0x13c [ 78.746630][ T5745] el0_svc+0x78/0x1d0 [ 78.747407][ T5745] el0t_64_sync_handler+0xcc/0xe4 [ 78.748278][ T5745] el0t_64_sync+0x1a0/0x1a4 [ 78.800575][ T5745] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.810377][ T5781] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.811738][ T5781] CPU: 0 PID: 5781 Comm: syz.3.61 Not tainted syzkaller #0 [ 78.812821][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.814477][ T5781] Call trace: [ 78.814969][ T5781] dump_backtrace+0x0/0x458 [ 78.815684][ T5781] show_stack+0x2c/0x3c [ 78.816389][ T5781] __dump_stack+0x30/0x40 [ 78.817137][ T5781] dump_stack_lvl+0xf4/0x15c [ 78.817934][ T5781] dump_stack+0x1c/0x5c [ 78.818682][ T5781] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.819605][ T5781] f2fs_iget+0x1b2c/0x5110 [ 78.820357][ T5781] f2fs_nfs_get_inode+0x80/0x118 [ 78.821172][ T5781] generic_fh_to_dentry+0x9c/0x104 [ 78.821969][ T5781] f2fs_fh_to_dentry+0x44/0x58 [ 78.822732][ T5781] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.823670][ T5781] exportfs_decode_fh+0x50/0x80 [ 78.824477][ T5781] do_handle_open+0x530/0x924 [ 78.825333][ T5781] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.826289][ T5781] invoke_syscall+0x98/0x2b0 [ 78.827019][ T5781] el0_svc_common+0x138/0x258 [ 78.827772][ T5781] do_el0_svc+0x58/0x13c [ 78.828476][ T5781] el0_svc+0x78/0x1d0 [ 78.829149][ T5781] el0t_64_sync_handler+0xcc/0xe4 [ 78.830036][ T5781] el0t_64_sync+0x1a0/0x1a4 [ 78.860408][ T5781] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.907855][ T5752] F2FS-fs (loop2): Found nat_bits in checkpoint [ 78.929516][ T5752] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 78.931595][ T5752] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.932934][ T5752] CPU: 0 PID: 5752 Comm: syz.2.62 Not tainted syzkaller #0 [ 78.934150][ T5752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.935954][ T5752] Call trace: [ 78.936491][ T5752] dump_backtrace+0x0/0x458 [ 78.937319][ T5752] show_stack+0x2c/0x3c [ 78.938047][ T5752] __dump_stack+0x30/0x40 [ 78.938824][ T5752] dump_stack_lvl+0xf4/0x15c [ 78.939616][ T5752] dump_stack+0x1c/0x5c [ 78.940328][ T5752] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.941261][ T5752] f2fs_iget+0x1b2c/0x5110 [ 78.942044][ T5752] f2fs_nfs_get_inode+0x80/0x118 [ 78.942894][ T5752] generic_fh_to_dentry+0x9c/0x104 [ 78.943760][ T5752] f2fs_fh_to_dentry+0x44/0x58 [ 78.944600][ T5752] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.945504][ T5752] exportfs_decode_fh+0x50/0x80 [ 78.946307][ T5752] do_handle_open+0x530/0x924 [ 78.947061][ T5752] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.948021][ T5752] invoke_syscall+0x98/0x2b0 [ 78.948835][ T5752] el0_svc_common+0x138/0x258 [ 78.949667][ T5752] do_el0_svc+0x58/0x13c [ 78.950390][ T5752] el0_svc+0x78/0x1d0 [ 78.951120][ T5752] el0t_64_sync_handler+0xcc/0xe4 [ 78.952029][ T5752] el0t_64_sync+0x1a0/0x1a4 [ 78.959247][ T5752] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 78.962107][ T5752] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 78.963797][ T5752] CPU: 0 PID: 5752 Comm: syz.2.62 Not tainted syzkaller #0 [ 78.964973][ T5752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.966621][ T5752] Call trace: [ 78.967147][ T5752] dump_backtrace+0x0/0x458 [ 78.967900][ T5752] show_stack+0x2c/0x3c [ 78.968573][ T5752] __dump_stack+0x30/0x40 [ 78.969384][ T5752] dump_stack_lvl+0xf4/0x15c [ 78.970216][ T5752] dump_stack+0x1c/0x5c [ 78.970914][ T5752] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 78.971825][ T5752] f2fs_iget+0x1b2c/0x5110 [ 78.972588][ T5752] f2fs_nfs_get_inode+0x80/0x118 [ 78.973472][ T5752] generic_fh_to_dentry+0x9c/0x104 [ 78.974365][ T5752] f2fs_fh_to_dentry+0x44/0x58 [ 78.975211][ T5752] exportfs_decode_fh_raw+0x13c/0x4e8 [ 78.976150][ T5752] exportfs_decode_fh+0x50/0x80 [ 78.977008][ T5752] do_handle_open+0x530/0x924 [ 78.977784][ T5752] __arm64_sys_open_by_handle_at+0x80/0x94 [ 78.978788][ T5752] invoke_syscall+0x98/0x2b0 [ 78.979584][ T5752] el0_svc_common+0x138/0x258 [ 78.980439][ T5752] do_el0_svc+0x58/0x13c [ 78.981133][ T5752] el0_svc+0x78/0x1d0 [ 78.981841][ T5752] el0t_64_sync_handler+0xcc/0xe4 [ 78.982678][ T5752] el0t_64_sync+0x1a0/0x1a4 [ 79.012961][ T5752] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.030667][ T5759] F2FS-fs (loop0): Found nat_bits in checkpoint [ 79.065122][ T5763] F2FS-fs (loop4): Found nat_bits in checkpoint [ 79.097309][ T5763] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 79.098708][ T5759] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 79.099273][ T5763] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.101584][ T5763] CPU: 0 PID: 5763 Comm: syz.4.63 Not tainted syzkaller #0 [ 79.101607][ T5759] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.102722][ T5763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.105570][ T5763] Call trace: [ 79.106150][ T5763] dump_backtrace+0x0/0x458 [ 79.106862][ T5763] show_stack+0x2c/0x3c [ 79.107572][ T5763] __dump_stack+0x30/0x40 [ 79.108318][ T5763] dump_stack_lvl+0xf4/0x15c [ 79.109083][ T5763] dump_stack+0x1c/0x5c [ 79.109756][ T5763] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.110699][ T5763] f2fs_iget+0x1b2c/0x5110 [ 79.111433][ T5763] f2fs_nfs_get_inode+0x80/0x118 [ 79.112246][ T5763] generic_fh_to_dentry+0x9c/0x104 [ 79.113148][ T5763] f2fs_fh_to_dentry+0x44/0x58 [ 79.113978][ T5763] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.114882][ T5763] exportfs_decode_fh+0x50/0x80 [ 79.115704][ T5763] do_handle_open+0x530/0x924 [ 79.116480][ T5763] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.117538][ T5763] invoke_syscall+0x98/0x2b0 [ 79.118317][ T5763] el0_svc_common+0x138/0x258 [ 79.119087][ T5763] do_el0_svc+0x58/0x13c [ 79.119839][ T5763] el0_svc+0x78/0x1d0 [ 79.120566][ T5763] el0t_64_sync_handler+0xcc/0xe4 [ 79.121458][ T5763] el0t_64_sync+0x1a0/0x1a4 [ 79.150759][ T5759] CPU: 1 PID: 5759 Comm: syz.0.60 Not tainted syzkaller #0 [ 79.152126][ T5759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.153907][ T5759] Call trace: [ 79.154488][ T5759] dump_backtrace+0x0/0x458 [ 79.155309][ T5759] show_stack+0x2c/0x3c [ 79.156050][ T5759] __dump_stack+0x30/0x40 [ 79.156819][ T5759] dump_stack_lvl+0xf4/0x15c [ 79.157607][ T5759] dump_stack+0x1c/0x5c [ 79.158325][ T5759] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.159207][ T5759] f2fs_iget+0x1b2c/0x5110 [ 79.160034][ T5759] f2fs_nfs_get_inode+0x80/0x118 [ 79.160887][ T5759] generic_fh_to_dentry+0x9c/0x104 [ 79.161772][ T5759] f2fs_fh_to_dentry+0x44/0x58 [ 79.162600][ T5759] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.163613][ T5759] exportfs_decode_fh+0x50/0x80 [ 79.164491][ T5759] do_handle_open+0x530/0x924 [ 79.165355][ T5759] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.166338][ T5759] invoke_syscall+0x98/0x2b0 [ 79.167151][ T5759] el0_svc_common+0x138/0x258 [ 79.168002][ T5759] do_el0_svc+0x58/0x13c [ 79.168770][ T5759] el0_svc+0x78/0x1d0 [ 79.169454][ T5759] el0t_64_sync_handler+0xcc/0xe4 [ 79.170242][ T5759] el0t_64_sync+0x1a0/0x1a4 [ 79.172493][ T5763] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.185429][ T5809] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.186753][ T5809] CPU: 0 PID: 5809 Comm: syz.4.63 Not tainted syzkaller #0 [ 79.187930][ T5809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.189624][ T5809] Call trace: [ 79.190162][ T5809] dump_backtrace+0x0/0x458 [ 79.190930][ T5809] show_stack+0x2c/0x3c [ 79.191592][ T5809] __dump_stack+0x30/0x40 [ 79.192322][ T5809] dump_stack_lvl+0xf4/0x15c [ 79.193120][ T5809] dump_stack+0x1c/0x5c [ 79.193820][ T5809] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.194730][ T5809] f2fs_iget+0x1b2c/0x5110 [ 79.195523][ T5809] f2fs_nfs_get_inode+0x80/0x118 [ 79.196368][ T5809] generic_fh_to_dentry+0x9c/0x104 [ 79.197227][ T5809] f2fs_fh_to_dentry+0x44/0x58 [ 79.198026][ T5809] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.198988][ T5809] exportfs_decode_fh+0x50/0x80 [ 79.199834][ T5809] do_handle_open+0x530/0x924 [ 79.200670][ T5809] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.201670][ T5809] invoke_syscall+0x98/0x2b0 [ 79.202415][ T5809] el0_svc_common+0x138/0x258 [ 79.203166][ T5809] do_el0_svc+0x58/0x13c [ 79.203915][ T5809] el0_svc+0x78/0x1d0 [ 79.204613][ T5809] el0t_64_sync_handler+0xcc/0xe4 [ 79.205424][ T5809] el0t_64_sync+0x1a0/0x1a4 [ 79.245204][ T5759] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.252555][ T5812] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.253959][ T5812] CPU: 1 PID: 5812 Comm: syz.0.60 Not tainted syzkaller #0 [ 79.255238][ T5812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.257128][ T5812] Call trace: [ 79.257681][ T5812] dump_backtrace+0x0/0x458 [ 79.258454][ T5812] show_stack+0x2c/0x3c [ 79.259138][ T5812] __dump_stack+0x30/0x40 [ 79.259912][ T5812] dump_stack_lvl+0xf4/0x15c [ 79.260717][ T5812] dump_stack+0x1c/0x5c [ 79.261513][ T5812] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.262478][ T5812] f2fs_iget+0x1b2c/0x5110 [ 79.263262][ T5812] f2fs_nfs_get_inode+0x80/0x118 [ 79.264153][ T5812] generic_fh_to_dentry+0x9c/0x104 [ 79.265036][ T5812] f2fs_fh_to_dentry+0x44/0x58 [ 79.265899][ T5812] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.266830][ T5812] exportfs_decode_fh+0x50/0x80 [ 79.267708][ T5812] do_handle_open+0x530/0x924 [ 79.268538][ T5812] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.269558][ T5812] invoke_syscall+0x98/0x2b0 [ 79.270353][ T5812] el0_svc_common+0x138/0x258 [ 79.271171][ T5812] do_el0_svc+0x58/0x13c [ 79.271890][ T5812] el0_svc+0x78/0x1d0 [ 79.272551][ T5812] el0t_64_sync_handler+0xcc/0xe4 [ 79.273399][ T5812] el0t_64_sync+0x1a0/0x1a4 [ 79.274713][ T5809] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.326211][ T5777] set_capacity_and_notify: 19 callbacks suppressed [ 79.326220][ T5777] loop1: detected capacity change from 0 to 40427 [ 79.344229][ T5812] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.378245][ T5787] loop3: detected capacity change from 0 to 40427 [ 79.408808][ T5777] F2FS-fs (loop1): Found nat_bits in checkpoint [ 79.431991][ T5777] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 79.434918][ T5777] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.436253][ T5777] CPU: 1 PID: 5777 Comm: syz.1.64 Not tainted syzkaller #0 [ 79.437464][ T5777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.439220][ T5777] Call trace: [ 79.439754][ T5777] dump_backtrace+0x0/0x458 [ 79.440519][ T5777] show_stack+0x2c/0x3c [ 79.441194][ T5777] __dump_stack+0x30/0x40 [ 79.441992][ T5777] dump_stack_lvl+0xf4/0x15c [ 79.442804][ T5777] dump_stack+0x1c/0x5c [ 79.443470][ T5777] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.444412][ T5777] f2fs_iget+0x1b2c/0x5110 [ 79.445212][ T5777] f2fs_nfs_get_inode+0x80/0x118 [ 79.446033][ T5777] generic_fh_to_dentry+0x9c/0x104 [ 79.446927][ T5777] f2fs_fh_to_dentry+0x44/0x58 [ 79.447796][ T5777] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.448675][ T5777] exportfs_decode_fh+0x50/0x80 [ 79.449460][ T5777] do_handle_open+0x530/0x924 [ 79.450287][ T5777] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.451307][ T5777] invoke_syscall+0x98/0x2b0 [ 79.452147][ T5777] el0_svc_common+0x138/0x258 [ 79.452995][ T5777] do_el0_svc+0x58/0x13c [ 79.453724][ T5777] el0_svc+0x78/0x1d0 [ 79.454402][ T5777] el0t_64_sync_handler+0xcc/0xe4 [ 79.455290][ T5777] el0t_64_sync+0x1a0/0x1a4 [ 79.467063][ T5787] F2FS-fs (loop3): Found nat_bits in checkpoint [ 79.487207][ T5787] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 79.492145][ T5787] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.493605][ T5787] CPU: 1 PID: 5787 Comm: syz.3.65 Not tainted syzkaller #0 [ 79.494847][ T5787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.496627][ T5787] Call trace: [ 79.497205][ T5787] dump_backtrace+0x0/0x458 [ 79.498000][ T5787] show_stack+0x2c/0x3c [ 79.498705][ T5787] __dump_stack+0x30/0x40 [ 79.499517][ T5787] dump_stack_lvl+0xf4/0x15c [ 79.500294][ T5787] dump_stack+0x1c/0x5c [ 79.501003][ T5787] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.501861][ T5787] f2fs_iget+0x1b2c/0x5110 [ 79.502633][ T5787] f2fs_nfs_get_inode+0x80/0x118 [ 79.503514][ T5787] generic_fh_to_dentry+0x9c/0x104 [ 79.504415][ T5787] f2fs_fh_to_dentry+0x44/0x58 [ 79.505214][ T5787] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.506140][ T5787] exportfs_decode_fh+0x50/0x80 [ 79.507039][ T5787] do_handle_open+0x530/0x924 [ 79.507855][ T5787] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.508798][ T5787] invoke_syscall+0x98/0x2b0 [ 79.509526][ T5787] el0_svc_common+0x138/0x258 [ 79.510314][ T5787] do_el0_svc+0x58/0x13c [ 79.511035][ T5787] el0_svc+0x78/0x1d0 [ 79.511715][ T5787] el0t_64_sync_handler+0xcc/0xe4 [ 79.512585][ T5787] el0t_64_sync+0x1a0/0x1a4 [ 79.567331][ T5777] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.569678][ T5833] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.570951][ T5833] CPU: 0 PID: 5833 Comm: syz.1.64 Not tainted syzkaller #0 [ 79.572095][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.573834][ T5833] Call trace: [ 79.574388][ T5833] dump_backtrace+0x0/0x458 [ 79.575147][ T5833] show_stack+0x2c/0x3c [ 79.575826][ T5833] __dump_stack+0x30/0x40 [ 79.576533][ T5833] dump_stack_lvl+0xf4/0x15c [ 79.577356][ T5833] dump_stack+0x1c/0x5c [ 79.578079][ T5833] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.578969][ T5833] f2fs_iget+0x1b2c/0x5110 [ 79.579757][ T5833] f2fs_nfs_get_inode+0x80/0x118 [ 79.580546][ T5833] generic_fh_to_dentry+0x9c/0x104 [ 79.581366][ T5833] f2fs_fh_to_dentry+0x44/0x58 [ 79.582154][ T5833] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.583095][ T5833] exportfs_decode_fh+0x50/0x80 [ 79.583918][ T5833] do_handle_open+0x530/0x924 [ 79.584504][ T5787] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.584767][ T5833] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.587009][ T5836] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.587625][ T5833] invoke_syscall+0x98/0x2b0 [ 79.589665][ T5833] el0_svc_common+0x138/0x258 [ 79.590495][ T5833] do_el0_svc+0x58/0x13c [ 79.591262][ T5833] el0_svc+0x78/0x1d0 [ 79.591957][ T5833] el0t_64_sync_handler+0xcc/0xe4 [ 79.592848][ T5833] el0t_64_sync+0x1a0/0x1a4 [ 79.593631][ T5836] CPU: 1 PID: 5836 Comm: syz.3.65 Not tainted syzkaller #0 [ 79.594776][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.596462][ T5836] Call trace: [ 79.597074][ T5836] dump_backtrace+0x0/0x458 [ 79.597831][ T5836] show_stack+0x2c/0x3c [ 79.598566][ T5836] __dump_stack+0x30/0x40 [ 79.599350][ T5836] dump_stack_lvl+0xf4/0x15c [ 79.600092][ T5836] dump_stack+0x1c/0x5c [ 79.600779][ T5836] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.601748][ T5836] f2fs_iget+0x1b2c/0x5110 [ 79.602524][ T5836] f2fs_nfs_get_inode+0x80/0x118 [ 79.602687][ T5808] loop2: detected capacity change from 0 to 40427 [ 79.603290][ T5836] generic_fh_to_dentry+0x9c/0x104 [ 79.605342][ T5836] f2fs_fh_to_dentry+0x44/0x58 [ 79.606144][ T5836] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.607086][ T5836] exportfs_decode_fh+0x50/0x80 [ 79.607902][ T5836] do_handle_open+0x530/0x924 [ 79.608708][ T5836] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.609685][ T5836] invoke_syscall+0x98/0x2b0 [ 79.610520][ T5836] el0_svc_common+0x138/0x258 [ 79.611362][ T5836] do_el0_svc+0x58/0x13c [ 79.612069][ T5836] el0_svc+0x78/0x1d0 [ 79.612706][ T5836] el0t_64_sync_handler+0xcc/0xe4 [ 79.613523][ T5836] el0t_64_sync+0x1a0/0x1a4 [ 79.667455][ T5836] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.698230][ T5833] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.703368][ T5817] loop4: detected capacity change from 0 to 40427 [ 79.718808][ T5808] F2FS-fs (loop2): Found nat_bits in checkpoint [ 79.770499][ T5817] F2FS-fs (loop4): Found nat_bits in checkpoint [ 79.796755][ T5808] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 79.798860][ T5808] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.800192][ T5808] CPU: 1 PID: 5808 Comm: syz.2.66 Not tainted syzkaller #0 [ 79.801441][ T5808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.803280][ T5808] Call trace: [ 79.803875][ T5808] dump_backtrace+0x0/0x458 [ 79.804581][ T5808] show_stack+0x2c/0x3c [ 79.805319][ T5808] __dump_stack+0x30/0x40 [ 79.806148][ T5808] dump_stack_lvl+0xf4/0x15c [ 79.806945][ T5808] dump_stack+0x1c/0x5c [ 79.807673][ T5808] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.808590][ T5808] f2fs_iget+0x1b2c/0x5110 [ 79.809337][ T5808] f2fs_nfs_get_inode+0x80/0x118 [ 79.810138][ T5808] generic_fh_to_dentry+0x9c/0x104 [ 79.811013][ T5808] f2fs_fh_to_dentry+0x44/0x58 [ 79.811845][ T5808] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.812758][ T5808] exportfs_decode_fh+0x50/0x80 [ 79.813566][ T5808] do_handle_open+0x530/0x924 [ 79.814418][ T5808] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.815429][ T5808] invoke_syscall+0x98/0x2b0 [ 79.816222][ T5808] el0_svc_common+0x138/0x258 [ 79.817004][ T5808] do_el0_svc+0x58/0x13c [ 79.817760][ T5808] el0_svc+0x78/0x1d0 [ 79.818478][ T5808] el0t_64_sync_handler+0xcc/0xe4 [ 79.819364][ T5808] el0t_64_sync+0x1a0/0x1a4 [ 79.826215][ T5817] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 79.844652][ T5817] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.845917][ T5817] CPU: 1 PID: 5817 Comm: syz.4.67 Not tainted syzkaller #0 [ 79.847098][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.848758][ T5817] Call trace: [ 79.849310][ T5817] dump_backtrace+0x0/0x458 [ 79.850058][ T5817] show_stack+0x2c/0x3c [ 79.850724][ T5817] __dump_stack+0x30/0x40 [ 79.851486][ T5817] dump_stack_lvl+0xf4/0x15c [ 79.852273][ T5817] dump_stack+0x1c/0x5c [ 79.852943][ T5817] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.853871][ T5817] f2fs_iget+0x1b2c/0x5110 [ 79.854656][ T5817] f2fs_nfs_get_inode+0x80/0x118 [ 79.855527][ T5817] generic_fh_to_dentry+0x9c/0x104 [ 79.856456][ T5817] f2fs_fh_to_dentry+0x44/0x58 [ 79.857218][ T5817] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.858179][ T5817] exportfs_decode_fh+0x50/0x80 [ 79.858983][ T5817] do_handle_open+0x530/0x924 [ 79.859776][ T5817] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.860805][ T5817] invoke_syscall+0x98/0x2b0 [ 79.861592][ T5817] el0_svc_common+0x138/0x258 [ 79.862438][ T5817] do_el0_svc+0x58/0x13c [ 79.863224][ T5817] el0_svc+0x78/0x1d0 [ 79.863908][ T5817] el0t_64_sync_handler+0xcc/0xe4 [ 79.864798][ T5817] el0t_64_sync+0x1a0/0x1a4 [ 79.890624][ T5824] loop0: detected capacity change from 0 to 40427 [ 79.901869][ T5808] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.904448][ T5856] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.905923][ T5856] CPU: 0 PID: 5856 Comm: syz.2.66 Not tainted syzkaller #0 [ 79.907104][ T5856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.908864][ T5856] Call trace: [ 79.909388][ T5856] dump_backtrace+0x0/0x458 [ 79.910205][ T5856] show_stack+0x2c/0x3c [ 79.910894][ T5856] __dump_stack+0x30/0x40 [ 79.911634][ T5856] dump_stack_lvl+0xf4/0x15c [ 79.912424][ T5856] dump_stack+0x1c/0x5c [ 79.913132][ T5856] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.914051][ T5856] f2fs_iget+0x1b2c/0x5110 [ 79.914159][ T5817] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.914841][ T5856] f2fs_nfs_get_inode+0x80/0x118 [ 79.917736][ T5856] generic_fh_to_dentry+0x9c/0x104 [ 79.918652][ T5856] f2fs_fh_to_dentry+0x44/0x58 [ 79.919467][ T5856] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.920394][ T5856] exportfs_decode_fh+0x50/0x80 [ 79.921250][ T5856] do_handle_open+0x530/0x924 [ 79.922047][ T5856] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.922993][ T5856] invoke_syscall+0x98/0x2b0 [ 79.923717][ T5856] el0_svc_common+0x138/0x258 [ 79.924482][ T5856] do_el0_svc+0x58/0x13c [ 79.925207][ T5856] el0_svc+0x78/0x1d0 [ 79.925873][ T5856] el0t_64_sync_handler+0xcc/0xe4 [ 79.926766][ T5856] el0t_64_sync+0x1a0/0x1a4 [ 79.930681][ T5859] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 79.932088][ T5859] CPU: 0 PID: 5859 Comm: syz.4.67 Not tainted syzkaller #0 [ 79.933349][ T5859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.935154][ T5859] Call trace: [ 79.935708][ T5859] dump_backtrace+0x0/0x458 [ 79.936530][ T5859] show_stack+0x2c/0x3c [ 79.937217][ T5859] __dump_stack+0x30/0x40 [ 79.937968][ T5859] dump_stack_lvl+0xf4/0x15c [ 79.938752][ T5859] dump_stack+0x1c/0x5c [ 79.939531][ T5859] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 79.940463][ T5859] f2fs_iget+0x1b2c/0x5110 [ 79.941232][ T5859] f2fs_nfs_get_inode+0x80/0x118 [ 79.942080][ T5859] generic_fh_to_dentry+0x9c/0x104 [ 79.942957][ T5859] f2fs_fh_to_dentry+0x44/0x58 [ 79.943727][ T5859] exportfs_decode_fh_raw+0x13c/0x4e8 [ 79.944615][ T5859] exportfs_decode_fh+0x50/0x80 [ 79.945411][ T5859] do_handle_open+0x530/0x924 [ 79.946243][ T5859] __arm64_sys_open_by_handle_at+0x80/0x94 [ 79.947285][ T5859] invoke_syscall+0x98/0x2b0 [ 79.948016][ T5859] el0_svc_common+0x138/0x258 [ 79.948820][ T5859] do_el0_svc+0x58/0x13c [ 79.949542][ T5859] el0_svc+0x78/0x1d0 [ 79.950209][ T5859] el0t_64_sync_handler+0xcc/0xe4 [ 79.951065][ T5859] el0t_64_sync+0x1a0/0x1a4 [ 79.954983][ T5856] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 79.999928][ T5824] F2FS-fs (loop0): Found nat_bits in checkpoint [ 80.020349][ T5859] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.038119][ T5824] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 80.047433][ T5824] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.048791][ T5824] CPU: 1 PID: 5824 Comm: syz.0.68 Not tainted syzkaller #0 [ 80.050021][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.051754][ T5824] Call trace: [ 80.052289][ T5824] dump_backtrace+0x0/0x458 [ 80.053014][ T5824] show_stack+0x2c/0x3c [ 80.053697][ T5824] __dump_stack+0x30/0x40 [ 80.054470][ T5824] dump_stack_lvl+0xf4/0x15c [ 80.055240][ T5824] dump_stack+0x1c/0x5c [ 80.055981][ T5824] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.056882][ T5824] f2fs_iget+0x1b2c/0x5110 [ 80.057600][ T5824] f2fs_nfs_get_inode+0x80/0x118 [ 80.058458][ T5824] generic_fh_to_dentry+0x9c/0x104 [ 80.059383][ T5824] f2fs_fh_to_dentry+0x44/0x58 [ 80.060212][ T5824] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.061127][ T5824] exportfs_decode_fh+0x50/0x80 [ 80.061951][ T5824] do_handle_open+0x530/0x924 [ 80.062759][ T5824] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.063756][ T5824] invoke_syscall+0x98/0x2b0 [ 80.064546][ T5824] el0_svc_common+0x138/0x258 [ 80.065377][ T5824] do_el0_svc+0x58/0x13c [ 80.066130][ T5824] el0_svc+0x78/0x1d0 [ 80.066803][ T5824] el0t_64_sync_handler+0xcc/0xe4 [ 80.067700][ T5824] el0t_64_sync+0x1a0/0x1a4 [ 80.111748][ T5847] loop1: detected capacity change from 0 to 40427 [ 80.134460][ T5824] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.142782][ T5874] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.147469][ T5874] CPU: 1 PID: 5874 Comm: syz.0.68 Not tainted syzkaller #0 [ 80.148690][ T5874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.150355][ T5874] Call trace: [ 80.150904][ T5874] dump_backtrace+0x0/0x458 [ 80.151641][ T5874] show_stack+0x2c/0x3c [ 80.152292][ T5874] __dump_stack+0x30/0x40 [ 80.153072][ T5874] dump_stack_lvl+0xf4/0x15c [ 80.153897][ T5874] dump_stack+0x1c/0x5c [ 80.154621][ T5874] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.155497][ T5874] f2fs_iget+0x1b2c/0x5110 [ 80.156250][ T5874] f2fs_nfs_get_inode+0x80/0x118 [ 80.157137][ T5874] generic_fh_to_dentry+0x9c/0x104 [ 80.158014][ T5874] f2fs_fh_to_dentry+0x44/0x58 [ 80.158848][ T5874] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.159766][ T5874] exportfs_decode_fh+0x50/0x80 [ 80.160604][ T5874] do_handle_open+0x530/0x924 [ 80.161420][ T5874] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.162440][ T5874] invoke_syscall+0x98/0x2b0 [ 80.163261][ T5874] el0_svc_common+0x138/0x258 [ 80.164030][ T5874] do_el0_svc+0x58/0x13c [ 80.164777][ T5874] el0_svc+0x78/0x1d0 [ 80.165457][ T5874] el0t_64_sync_handler+0xcc/0xe4 [ 80.166310][ T5874] el0t_64_sync+0x1a0/0x1a4 [ 80.218891][ T5874] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.223977][ T5847] F2FS-fs (loop1): Found nat_bits in checkpoint [ 80.264016][ T5847] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 80.269714][ T5847] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.271248][ T5847] CPU: 1 PID: 5847 Comm: syz.1.70 Not tainted syzkaller #0 [ 80.272544][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.274275][ T5847] Call trace: [ 80.274853][ T5847] dump_backtrace+0x0/0x458 [ 80.275654][ T5847] show_stack+0x2c/0x3c [ 80.276346][ T5847] __dump_stack+0x30/0x40 [ 80.277045][ T5847] dump_stack_lvl+0xf4/0x15c [ 80.277820][ T5847] dump_stack+0x1c/0x5c [ 80.278533][ T5847] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.279472][ T5847] f2fs_iget+0x1b2c/0x5110 [ 80.280201][ T5847] f2fs_nfs_get_inode+0x80/0x118 [ 80.281044][ T5847] generic_fh_to_dentry+0x9c/0x104 [ 80.281894][ T5847] f2fs_fh_to_dentry+0x44/0x58 [ 80.282664][ T5847] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.283539][ T5847] exportfs_decode_fh+0x50/0x80 [ 80.284328][ T5847] do_handle_open+0x530/0x924 [ 80.285165][ T5847] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.286216][ T5847] invoke_syscall+0x98/0x2b0 [ 80.287022][ T5847] el0_svc_common+0x138/0x258 [ 80.287815][ T5847] do_el0_svc+0x58/0x13c [ 80.288533][ T5847] el0_svc+0x78/0x1d0 [ 80.289250][ T5847] el0t_64_sync_handler+0xcc/0xe4 [ 80.290077][ T5847] el0t_64_sync+0x1a0/0x1a4 [ 80.317431][ T5858] loop3: detected capacity change from 0 to 40427 [ 80.368016][ T5847] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.370351][ T5887] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.371896][ T5887] CPU: 0 PID: 5887 Comm: syz.1.70 Not tainted syzkaller #0 [ 80.373072][ T5887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.374789][ T5887] Call trace: [ 80.375378][ T5887] dump_backtrace+0x0/0x458 [ 80.376171][ T5887] show_stack+0x2c/0x3c [ 80.376857][ T5887] __dump_stack+0x30/0x40 [ 80.377600][ T5887] dump_stack_lvl+0xf4/0x15c [ 80.378475][ T5887] dump_stack+0x1c/0x5c [ 80.379132][ T5887] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.380015][ T5887] f2fs_iget+0x1b2c/0x5110 [ 80.380813][ T5887] f2fs_nfs_get_inode+0x80/0x118 [ 80.381669][ T5887] generic_fh_to_dentry+0x9c/0x104 [ 80.382522][ T5887] f2fs_fh_to_dentry+0x44/0x58 [ 80.383320][ T5887] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.384243][ T5887] exportfs_decode_fh+0x50/0x80 [ 80.385043][ T5887] do_handle_open+0x530/0x924 [ 80.385867][ T5887] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.386833][ T5887] invoke_syscall+0x98/0x2b0 [ 80.387622][ T5887] el0_svc_common+0x138/0x258 [ 80.388443][ T5887] do_el0_svc+0x58/0x13c [ 80.389149][ T5887] el0_svc+0x78/0x1d0 [ 80.389804][ T5887] el0t_64_sync_handler+0xcc/0xe4 [ 80.390653][ T5887] el0t_64_sync+0x1a0/0x1a4 [ 80.466218][ T5887] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.469178][ T5858] F2FS-fs (loop3): Found nat_bits in checkpoint [ 80.509979][ T5858] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 80.512902][ T5858] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.515943][ T5858] CPU: 1 PID: 5858 Comm: syz.3.69 Not tainted syzkaller #0 [ 80.517113][ T5858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.518818][ T5858] Call trace: [ 80.519382][ T5858] dump_backtrace+0x0/0x458 [ 80.520137][ T5858] show_stack+0x2c/0x3c [ 80.521065][ T5858] __dump_stack+0x30/0x40 [ 80.521772][ T5858] dump_stack_lvl+0xf4/0x15c [ 80.522551][ T5858] dump_stack+0x1c/0x5c [ 80.523214][ T5858] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.524111][ T5858] f2fs_iget+0x1b2c/0x5110 [ 80.524877][ T5858] f2fs_nfs_get_inode+0x80/0x118 [ 80.525708][ T5858] generic_fh_to_dentry+0x9c/0x104 [ 80.526607][ T5858] f2fs_fh_to_dentry+0x44/0x58 [ 80.527447][ T5858] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.528406][ T5858] exportfs_decode_fh+0x50/0x80 [ 80.529175][ T5858] do_handle_open+0x530/0x924 [ 80.530045][ T5858] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.531035][ T5858] invoke_syscall+0x98/0x2b0 [ 80.531811][ T5858] el0_svc_common+0x138/0x258 [ 80.532628][ T5858] do_el0_svc+0x58/0x13c [ 80.533375][ T5858] el0_svc+0x78/0x1d0 [ 80.534045][ T5858] el0t_64_sync_handler+0xcc/0xe4 [ 80.534905][ T5858] el0t_64_sync+0x1a0/0x1a4 [ 80.579870][ T5867] loop2: detected capacity change from 0 to 40427 [ 80.601020][ T5858] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.603272][ T5906] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.605756][ T5906] CPU: 0 PID: 5906 Comm: syz.3.69 Not tainted syzkaller #0 [ 80.607066][ T5906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.608810][ T5906] Call trace: [ 80.609387][ T5906] dump_backtrace+0x0/0x458 [ 80.610192][ T5906] show_stack+0x2c/0x3c [ 80.610954][ T5906] __dump_stack+0x30/0x40 [ 80.611692][ T5906] dump_stack_lvl+0xf4/0x15c [ 80.612460][ T5906] dump_stack+0x1c/0x5c [ 80.613204][ T5906] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.614117][ T5906] f2fs_iget+0x1b2c/0x5110 [ 80.614928][ T5906] f2fs_nfs_get_inode+0x80/0x118 [ 80.615807][ T5906] generic_fh_to_dentry+0x9c/0x104 [ 80.616706][ T5906] f2fs_fh_to_dentry+0x44/0x58 [ 80.617586][ T5906] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.618507][ T5906] exportfs_decode_fh+0x50/0x80 [ 80.619377][ T5906] do_handle_open+0x530/0x924 [ 80.620190][ T5906] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.621255][ T5906] invoke_syscall+0x98/0x2b0 [ 80.622033][ T5906] el0_svc_common+0x138/0x258 [ 80.622841][ T5906] do_el0_svc+0x58/0x13c [ 80.623557][ T5906] el0_svc+0x78/0x1d0 [ 80.624263][ T5906] el0t_64_sync_handler+0xcc/0xe4 [ 80.625116][ T5906] el0t_64_sync+0x1a0/0x1a4 [ 80.648050][ T5867] F2FS-fs (loop2): Found nat_bits in checkpoint [ 80.671302][ T5867] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 80.682868][ T5867] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.684330][ T5867] CPU: 1 PID: 5867 Comm: syz.2.71 Not tainted syzkaller #0 [ 80.685556][ T5867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.685776][ T5890] loop0: detected capacity change from 0 to 40427 [ 80.687350][ T5867] Call trace: [ 80.688999][ T5867] dump_backtrace+0x0/0x458 [ 80.689767][ T5867] show_stack+0x2c/0x3c [ 80.690491][ T5867] __dump_stack+0x30/0x40 [ 80.691271][ T5867] dump_stack_lvl+0xf4/0x15c [ 80.692057][ T5867] dump_stack+0x1c/0x5c [ 80.692780][ T5867] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.693712][ T5867] f2fs_iget+0x1b2c/0x5110 [ 80.694473][ T5867] f2fs_nfs_get_inode+0x80/0x118 [ 80.695297][ T5867] generic_fh_to_dentry+0x9c/0x104 [ 80.696119][ T5867] f2fs_fh_to_dentry+0x44/0x58 [ 80.696942][ T5867] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.697846][ T5867] exportfs_decode_fh+0x50/0x80 [ 80.698619][ T5867] do_handle_open+0x530/0x924 [ 80.698915][ T5906] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.699447][ T5867] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.702271][ T5867] invoke_syscall+0x98/0x2b0 [ 80.703103][ T5867] el0_svc_common+0x138/0x258 [ 80.703927][ T5867] do_el0_svc+0x58/0x13c [ 80.704626][ T5867] el0_svc+0x78/0x1d0 [ 80.705340][ T5867] el0t_64_sync_handler+0xcc/0xe4 [ 80.706228][ T5867] el0t_64_sync+0x1a0/0x1a4 [ 80.725473][ T5890] F2FS-fs (loop0): Found nat_bits in checkpoint [ 80.739180][ T5873] loop4: detected capacity change from 0 to 40427 1970/01/01 00:01:20 executed programs: 69 [ 80.758445][ T5867] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.765415][ T5925] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.766256][ T5890] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 80.768701][ T5890] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.770054][ T5890] CPU: 1 PID: 5890 Comm: syz.0.73 Not tainted syzkaller #0 [ 80.771295][ T5890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.773067][ T5890] Call trace: [ 80.773664][ T5890] dump_backtrace+0x0/0x458 [ 80.774433][ T5890] show_stack+0x2c/0x3c [ 80.775151][ T5890] __dump_stack+0x30/0x40 [ 80.775895][ T5890] dump_stack_lvl+0xf4/0x15c [ 80.776638][ T5890] dump_stack+0x1c/0x5c [ 80.777335][ T5890] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.778253][ T5890] f2fs_iget+0x1b2c/0x5110 [ 80.779032][ T5890] f2fs_nfs_get_inode+0x80/0x118 [ 80.779908][ T5890] generic_fh_to_dentry+0x9c/0x104 [ 80.780723][ T5890] f2fs_fh_to_dentry+0x44/0x58 [ 80.781570][ T5890] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.782515][ T5890] exportfs_decode_fh+0x50/0x80 [ 80.783348][ T5890] do_handle_open+0x530/0x924 [ 80.784162][ T5890] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.785134][ T5890] invoke_syscall+0x98/0x2b0 [ 80.785930][ T5890] el0_svc_common+0x138/0x258 [ 80.786722][ T5890] do_el0_svc+0x58/0x13c [ 80.787446][ T5890] el0_svc+0x78/0x1d0 [ 80.788125][ T5890] el0t_64_sync_handler+0xcc/0xe4 [ 80.788990][ T5890] el0t_64_sync+0x1a0/0x1a4 [ 80.790693][ T5925] CPU: 1 PID: 5925 Comm: syz.2.71 Not tainted syzkaller #0 [ 80.791816][ T5925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.793509][ T5925] Call trace: [ 80.794001][ T5925] dump_backtrace+0x0/0x458 [ 80.794745][ T5925] show_stack+0x2c/0x3c [ 80.795444][ T5925] __dump_stack+0x30/0x40 [ 80.796217][ T5925] dump_stack_lvl+0xf4/0x15c [ 80.797026][ T5925] dump_stack+0x1c/0x5c [ 80.797699][ T5925] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.798531][ T5925] f2fs_iget+0x1b2c/0x5110 [ 80.799286][ T5925] f2fs_nfs_get_inode+0x80/0x118 [ 80.800110][ T5925] generic_fh_to_dentry+0x9c/0x104 [ 80.800969][ T5925] f2fs_fh_to_dentry+0x44/0x58 [ 80.801764][ T5925] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.802684][ T5925] exportfs_decode_fh+0x50/0x80 [ 80.803552][ T5925] do_handle_open+0x530/0x924 [ 80.804298][ T5925] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.805295][ T5925] invoke_syscall+0x98/0x2b0 [ 80.806119][ T5925] el0_svc_common+0x138/0x258 [ 80.806923][ T5925] do_el0_svc+0x58/0x13c [ 80.807650][ T5925] el0_svc+0x78/0x1d0 [ 80.808378][ T5925] el0t_64_sync_handler+0xcc/0xe4 [ 80.809264][ T5925] el0t_64_sync+0x1a0/0x1a4 [ 80.826466][ T5873] F2FS-fs (loop4): Found nat_bits in checkpoint [ 80.851199][ T5873] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 80.853121][ T5873] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.854542][ T5873] CPU: 1 PID: 5873 Comm: syz.4.72 Not tainted syzkaller #0 [ 80.855694][ T5873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.857465][ T5873] Call trace: [ 80.858002][ T5873] dump_backtrace+0x0/0x458 [ 80.858829][ T5873] show_stack+0x2c/0x3c [ 80.859535][ T5873] __dump_stack+0x30/0x40 [ 80.860325][ T5873] dump_stack_lvl+0xf4/0x15c [ 80.861112][ T5873] dump_stack+0x1c/0x5c [ 80.861779][ T5873] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.862710][ T5873] f2fs_iget+0x1b2c/0x5110 [ 80.863523][ T5873] f2fs_nfs_get_inode+0x80/0x118 [ 80.864413][ T5873] generic_fh_to_dentry+0x9c/0x104 [ 80.865292][ T5873] f2fs_fh_to_dentry+0x44/0x58 [ 80.866085][ T5873] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.866986][ T5873] exportfs_decode_fh+0x50/0x80 [ 80.867703][ T5873] do_handle_open+0x530/0x924 [ 80.868466][ T5873] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.869374][ T5873] invoke_syscall+0x98/0x2b0 [ 80.870132][ T5873] el0_svc_common+0x138/0x258 [ 80.870899][ T5873] do_el0_svc+0x58/0x13c [ 80.871638][ T5873] el0_svc+0x78/0x1d0 [ 80.872323][ T5873] el0t_64_sync_handler+0xcc/0xe4 [ 80.873206][ T5873] el0t_64_sync+0x1a0/0x1a4 [ 80.877685][ T5925] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.895205][ T5890] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.898130][ T5935] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.899399][ T5935] CPU: 0 PID: 5935 Comm: syz.0.73 Not tainted syzkaller #0 [ 80.900511][ T5935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.902199][ T5935] Call trace: [ 80.902753][ T5935] dump_backtrace+0x0/0x458 [ 80.903514][ T5935] show_stack+0x2c/0x3c [ 80.904271][ T5935] __dump_stack+0x30/0x40 [ 80.905052][ T5935] dump_stack_lvl+0xf4/0x15c [ 80.905862][ T5935] dump_stack+0x1c/0x5c [ 80.906639][ T5935] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.907526][ T5935] f2fs_iget+0x1b2c/0x5110 [ 80.908284][ T5935] f2fs_nfs_get_inode+0x80/0x118 [ 80.909210][ T5935] generic_fh_to_dentry+0x9c/0x104 [ 80.910089][ T5935] f2fs_fh_to_dentry+0x44/0x58 [ 80.910886][ T5935] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.911797][ T5935] exportfs_decode_fh+0x50/0x80 [ 80.912648][ T5935] do_handle_open+0x530/0x924 [ 80.913482][ T5935] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.914459][ T5935] invoke_syscall+0x98/0x2b0 [ 80.914562][ T5873] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 80.915325][ T5935] el0_svc_common+0x138/0x258 [ 80.917616][ T5936] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 80.918075][ T5935] do_el0_svc+0x58/0x13c [ 80.920004][ T5935] el0_svc+0x78/0x1d0 [ 80.920650][ T5935] el0t_64_sync_handler+0xcc/0xe4 [ 80.921466][ T5935] el0t_64_sync+0x1a0/0x1a4 [ 80.922187][ T5936] CPU: 1 PID: 5936 Comm: syz.4.72 Not tainted syzkaller #0 [ 80.923331][ T5936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.925015][ T5936] Call trace: [ 80.925532][ T5936] dump_backtrace+0x0/0x458 [ 80.926271][ T5936] show_stack+0x2c/0x3c [ 80.926939][ T5936] __dump_stack+0x30/0x40 [ 80.927659][ T5936] dump_stack_lvl+0xf4/0x15c [ 80.928494][ T5936] dump_stack+0x1c/0x5c [ 80.929196][ T5936] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 80.930090][ T5936] f2fs_iget+0x1b2c/0x5110 [ 80.930872][ T5936] f2fs_nfs_get_inode+0x80/0x118 [ 80.931766][ T5936] generic_fh_to_dentry+0x9c/0x104 [ 80.932584][ T5936] f2fs_fh_to_dentry+0x44/0x58 [ 80.933380][ T5936] exportfs_decode_fh_raw+0x13c/0x4e8 [ 80.934312][ T5936] exportfs_decode_fh+0x50/0x80 [ 80.935185][ T5936] do_handle_open+0x530/0x924 [ 80.936039][ T5936] __arm64_sys_open_by_handle_at+0x80/0x94 [ 80.936996][ T5936] invoke_syscall+0x98/0x2b0 [ 80.937822][ T5936] el0_svc_common+0x138/0x258 [ 80.938654][ T5936] do_el0_svc+0x58/0x13c [ 80.939423][ T5936] el0_svc+0x78/0x1d0 [ 80.940107][ T5936] el0t_64_sync_handler+0xcc/0xe4 [ 80.940969][ T5936] el0t_64_sync+0x1a0/0x1a4 [ 80.988065][ T5936] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.054289][ T5935] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.057941][ T5908] F2FS-fs (loop1): Found nat_bits in checkpoint [ 81.080888][ T5908] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 81.083029][ T5908] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.090032][ T5908] CPU: 1 PID: 5908 Comm: syz.1.74 Not tainted syzkaller #0 [ 81.091280][ T5908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.093154][ T5908] Call trace: [ 81.093731][ T5908] dump_backtrace+0x0/0x458 [ 81.094488][ T5908] show_stack+0x2c/0x3c [ 81.095215][ T5908] __dump_stack+0x30/0x40 [ 81.095990][ T5908] dump_stack_lvl+0xf4/0x15c [ 81.096796][ T5908] dump_stack+0x1c/0x5c [ 81.097549][ T5908] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.098529][ T5908] f2fs_iget+0x1b2c/0x5110 [ 81.099307][ T5908] f2fs_nfs_get_inode+0x80/0x118 [ 81.100171][ T5908] generic_fh_to_dentry+0x9c/0x104 [ 81.101067][ T5908] f2fs_fh_to_dentry+0x44/0x58 [ 81.101884][ T5908] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.102848][ T5908] exportfs_decode_fh+0x50/0x80 [ 81.103688][ T5908] do_handle_open+0x530/0x924 [ 81.104460][ T5908] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.105505][ T5908] invoke_syscall+0x98/0x2b0 [ 81.106312][ T5908] el0_svc_common+0x138/0x258 [ 81.107186][ T5908] do_el0_svc+0x58/0x13c [ 81.108009][ T5908] el0_svc+0x78/0x1d0 [ 81.108735][ T5908] el0t_64_sync_handler+0xcc/0xe4 [ 81.109639][ T5908] el0t_64_sync+0x1a0/0x1a4 [ 81.157959][ T5908] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.160263][ T5947] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.161658][ T5947] CPU: 0 PID: 5947 Comm: syz.1.74 Not tainted syzkaller #0 [ 81.162836][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.164533][ T5947] Call trace: [ 81.165094][ T5947] dump_backtrace+0x0/0x458 [ 81.165848][ T5947] show_stack+0x2c/0x3c [ 81.166531][ T5947] __dump_stack+0x30/0x40 [ 81.167230][ T5947] dump_stack_lvl+0xf4/0x15c [ 81.168006][ T5947] dump_stack+0x1c/0x5c [ 81.168731][ T5947] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.169651][ T5947] f2fs_iget+0x1b2c/0x5110 [ 81.170366][ T5947] f2fs_nfs_get_inode+0x80/0x118 [ 81.171216][ T5947] generic_fh_to_dentry+0x9c/0x104 [ 81.172058][ T5947] f2fs_fh_to_dentry+0x44/0x58 [ 81.172923][ T5947] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.173803][ T5947] exportfs_decode_fh+0x50/0x80 [ 81.174618][ T5947] do_handle_open+0x530/0x924 [ 81.175418][ T5947] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.176397][ T5947] invoke_syscall+0x98/0x2b0 [ 81.177241][ T5947] el0_svc_common+0x138/0x258 [ 81.178050][ T5947] do_el0_svc+0x58/0x13c [ 81.178734][ T5947] el0_svc+0x78/0x1d0 [ 81.179374][ T5947] el0t_64_sync_handler+0xcc/0xe4 [ 81.180242][ T5947] el0t_64_sync+0x1a0/0x1a4 [ 81.212626][ T5947] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.245633][ T5923] F2FS-fs (loop3): Found nat_bits in checkpoint [ 81.252131][ T5940] F2FS-fs (loop2): Found nat_bits in checkpoint [ 81.272956][ T5923] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 81.283878][ T5940] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 81.292333][ T5923] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.293735][ T5923] CPU: 1 PID: 5923 Comm: syz.3.75 Not tainted syzkaller #0 [ 81.295008][ T5923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.296811][ T5923] Call trace: [ 81.297409][ T5923] dump_backtrace+0x0/0x458 [ 81.298279][ T5923] show_stack+0x2c/0x3c [ 81.299065][ T5923] __dump_stack+0x30/0x40 [ 81.299836][ T5923] dump_stack_lvl+0xf4/0x15c [ 81.300663][ T5923] dump_stack+0x1c/0x5c [ 81.301412][ T5923] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.302323][ T5923] f2fs_iget+0x1b2c/0x5110 [ 81.303126][ T5923] f2fs_nfs_get_inode+0x80/0x118 [ 81.304004][ T5923] generic_fh_to_dentry+0x9c/0x104 [ 81.304910][ T5923] f2fs_fh_to_dentry+0x44/0x58 [ 81.305727][ T5923] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.306658][ T5923] exportfs_decode_fh+0x50/0x80 [ 81.307474][ T5923] do_handle_open+0x530/0x924 [ 81.308242][ T5923] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.309281][ T5923] invoke_syscall+0x98/0x2b0 [ 81.310128][ T5923] el0_svc_common+0x138/0x258 [ 81.311029][ T5923] do_el0_svc+0x58/0x13c [ 81.311747][ T5923] el0_svc+0x78/0x1d0 [ 81.312395][ T5923] el0t_64_sync_handler+0xcc/0xe4 [ 81.313271][ T5923] el0t_64_sync+0x1a0/0x1a4 [ 81.319035][ T5940] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.320260][ T5940] CPU: 1 PID: 5940 Comm: syz.2.76 Not tainted syzkaller #0 [ 81.321528][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.323176][ T5940] Call trace: [ 81.323755][ T5940] dump_backtrace+0x0/0x458 [ 81.324554][ T5940] show_stack+0x2c/0x3c [ 81.325260][ T5940] __dump_stack+0x30/0x40 [ 81.326010][ T5940] dump_stack_lvl+0xf4/0x15c [ 81.326815][ T5940] dump_stack+0x1c/0x5c [ 81.327553][ T5940] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.328454][ T5940] f2fs_iget+0x1b2c/0x5110 [ 81.329209][ T5940] f2fs_nfs_get_inode+0x80/0x118 [ 81.330072][ T5940] generic_fh_to_dentry+0x9c/0x104 [ 81.330930][ T5940] f2fs_fh_to_dentry+0x44/0x58 [ 81.331736][ T5940] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.332724][ T5940] exportfs_decode_fh+0x50/0x80 [ 81.333513][ T5940] do_handle_open+0x530/0x924 [ 81.334310][ T5940] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.335333][ T5940] invoke_syscall+0x98/0x2b0 [ 81.336062][ T5940] el0_svc_common+0x138/0x258 [ 81.336908][ T5940] do_el0_svc+0x58/0x13c [ 81.337595][ T5940] el0_svc+0x78/0x1d0 [ 81.338252][ T5940] el0t_64_sync_handler+0xcc/0xe4 [ 81.339124][ T5940] el0t_64_sync+0x1a0/0x1a4 [ 81.397208][ T5923] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.399155][ T5940] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.401152][ T5958] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.402598][ T5958] CPU: 0 PID: 5958 Comm: syz.3.75 Not tainted syzkaller #0 [ 81.403727][ T5958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.405392][ T5958] Call trace: [ 81.405929][ T5958] dump_backtrace+0x0/0x458 [ 81.406751][ T5958] show_stack+0x2c/0x3c [ 81.407493][ T5958] __dump_stack+0x30/0x40 [ 81.408238][ T5958] dump_stack_lvl+0xf4/0x15c [ 81.409024][ T5958] dump_stack+0x1c/0x5c [ 81.409740][ T5958] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.410643][ T5958] f2fs_iget+0x1b2c/0x5110 [ 81.411328][ T5958] f2fs_nfs_get_inode+0x80/0x118 [ 81.412314][ T5958] generic_fh_to_dentry+0x9c/0x104 [ 81.413198][ T5958] f2fs_fh_to_dentry+0x44/0x58 [ 81.414054][ T5958] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.414953][ T5958] exportfs_decode_fh+0x50/0x80 [ 81.415810][ T5958] do_handle_open+0x530/0x924 [ 81.416670][ T5958] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.417673][ T5958] invoke_syscall+0x98/0x2b0 [ 81.418523][ T5958] el0_svc_common+0x138/0x258 [ 81.419329][ T5958] do_el0_svc+0x58/0x13c [ 81.420096][ T5958] el0_svc+0x78/0x1d0 [ 81.420822][ T5958] el0t_64_sync_handler+0xcc/0xe4 [ 81.421681][ T5958] el0t_64_sync+0x1a0/0x1a4 [ 81.423286][ T5961] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.424212][ T5949] F2FS-fs (loop4): Found nat_bits in checkpoint [ 81.424671][ T5961] CPU: 0 PID: 5961 Comm: syz.2.76 Not tainted syzkaller #0 [ 81.426889][ T5961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.428665][ T5961] Call trace: [ 81.429188][ T5961] dump_backtrace+0x0/0x458 [ 81.429919][ T5961] show_stack+0x2c/0x3c [ 81.430623][ T5961] __dump_stack+0x30/0x40 [ 81.431410][ T5961] dump_stack_lvl+0xf4/0x15c [ 81.432216][ T5961] dump_stack+0x1c/0x5c [ 81.432967][ T5961] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.433936][ T5961] f2fs_iget+0x1b2c/0x5110 [ 81.434656][ T5961] f2fs_nfs_get_inode+0x80/0x118 [ 81.435483][ T5961] generic_fh_to_dentry+0x9c/0x104 [ 81.436350][ T5961] f2fs_fh_to_dentry+0x44/0x58 [ 81.437210][ T5961] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.438139][ T5961] exportfs_decode_fh+0x50/0x80 [ 81.438955][ T5961] do_handle_open+0x530/0x924 [ 81.439795][ T5961] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.440837][ T5961] invoke_syscall+0x98/0x2b0 [ 81.441597][ T5961] el0_svc_common+0x138/0x258 [ 81.442336][ T5961] do_el0_svc+0x58/0x13c [ 81.442984][ T5961] el0_svc+0x78/0x1d0 [ 81.443603][ T5961] el0t_64_sync_handler+0xcc/0xe4 [ 81.444438][ T5961] el0t_64_sync+0x1a0/0x1a4 [ 81.460001][ T5949] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 81.463963][ T5949] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.477292][ T5949] CPU: 1 PID: 5949 Comm: syz.4.77 Not tainted syzkaller #0 [ 81.478575][ T5949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.480421][ T5949] Call trace: [ 81.481003][ T5949] dump_backtrace+0x0/0x458 [ 81.481752][ T5949] show_stack+0x2c/0x3c [ 81.482481][ T5949] __dump_stack+0x30/0x40 [ 81.483262][ T5949] dump_stack_lvl+0xf4/0x15c [ 81.484020][ T5949] dump_stack+0x1c/0x5c [ 81.484735][ T5949] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.485717][ T5949] f2fs_iget+0x1b2c/0x5110 [ 81.486482][ T5949] f2fs_nfs_get_inode+0x80/0x118 [ 81.487329][ T5949] generic_fh_to_dentry+0x9c/0x104 [ 81.488237][ T5949] f2fs_fh_to_dentry+0x44/0x58 [ 81.489061][ T5949] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.490031][ T5949] exportfs_decode_fh+0x50/0x80 [ 81.490832][ T5949] do_handle_open+0x530/0x924 [ 81.491689][ T5949] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.492652][ T5949] invoke_syscall+0x98/0x2b0 [ 81.493422][ T5949] el0_svc_common+0x138/0x258 [ 81.494250][ T5949] do_el0_svc+0x58/0x13c [ 81.494994][ T5949] el0_svc+0x78/0x1d0 [ 81.495692][ T5949] el0t_64_sync_handler+0xcc/0xe4 [ 81.496487][ T5949] el0t_64_sync+0x1a0/0x1a4 [ 81.504153][ T5958] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.513779][ T5961] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.543640][ T5949] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.552213][ T5968] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.553549][ T5968] CPU: 1 PID: 5968 Comm: syz.4.77 Not tainted syzkaller #0 [ 81.554759][ T5968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.556476][ T5968] Call trace: [ 81.557045][ T5968] dump_backtrace+0x0/0x458 [ 81.557902][ T5968] show_stack+0x2c/0x3c [ 81.558663][ T5968] __dump_stack+0x30/0x40 [ 81.559512][ T5968] dump_stack_lvl+0xf4/0x15c [ 81.560340][ T5968] dump_stack+0x1c/0x5c [ 81.561060][ T5968] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.562044][ T5968] f2fs_iget+0x1b2c/0x5110 [ 81.562855][ T5968] f2fs_nfs_get_inode+0x80/0x118 [ 81.563703][ T5968] generic_fh_to_dentry+0x9c/0x104 [ 81.564608][ T5968] f2fs_fh_to_dentry+0x44/0x58 [ 81.565444][ T5968] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.566367][ T5968] exportfs_decode_fh+0x50/0x80 [ 81.567177][ T5968] do_handle_open+0x530/0x924 [ 81.567994][ T5968] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.568974][ T5968] invoke_syscall+0x98/0x2b0 [ 81.569771][ T5968] el0_svc_common+0x138/0x258 [ 81.570523][ T5968] do_el0_svc+0x58/0x13c [ 81.571281][ T5968] el0_svc+0x78/0x1d0 [ 81.571923][ T5968] el0t_64_sync_handler+0xcc/0xe4 [ 81.572863][ T5968] el0t_64_sync+0x1a0/0x1a4 [ 81.624488][ T5968] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.687093][ T5960] F2FS-fs (loop0): Found nat_bits in checkpoint [ 81.732616][ T5960] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 81.735221][ T5960] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.736487][ T5960] CPU: 1 PID: 5960 Comm: syz.0.78 Not tainted syzkaller #0 [ 81.737673][ T5960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.739400][ T5960] Call trace: [ 81.739971][ T5960] dump_backtrace+0x0/0x458 [ 81.740744][ T5960] show_stack+0x2c/0x3c [ 81.741396][ T5960] __dump_stack+0x30/0x40 [ 81.742166][ T5960] dump_stack_lvl+0xf4/0x15c [ 81.742919][ T5960] dump_stack+0x1c/0x5c [ 81.743662][ T5960] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.744578][ T5960] f2fs_iget+0x1b2c/0x5110 [ 81.745392][ T5960] f2fs_nfs_get_inode+0x80/0x118 [ 81.746272][ T5960] generic_fh_to_dentry+0x9c/0x104 [ 81.747264][ T5960] f2fs_fh_to_dentry+0x44/0x58 [ 81.748082][ T5960] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.749003][ T5960] exportfs_decode_fh+0x50/0x80 [ 81.749849][ T5960] do_handle_open+0x530/0x924 [ 81.750658][ T5960] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.751710][ T5960] invoke_syscall+0x98/0x2b0 [ 81.752523][ T5960] el0_svc_common+0x138/0x258 [ 81.753381][ T5960] do_el0_svc+0x58/0x13c [ 81.754131][ T5960] el0_svc+0x78/0x1d0 [ 81.754784][ T5960] el0t_64_sync_handler+0xcc/0xe4 [ 81.755634][ T5960] el0t_64_sync+0x1a0/0x1a4 [ 81.768363][ T5966] F2FS-fs (loop1): Found nat_bits in checkpoint [ 81.777356][ T5966] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 81.780111][ T5966] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.781542][ T5966] CPU: 0 PID: 5966 Comm: syz.1.79 Not tainted syzkaller #0 [ 81.782790][ T5966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.784500][ T5966] Call trace: [ 81.785107][ T5966] dump_backtrace+0x0/0x458 [ 81.785911][ T5966] show_stack+0x2c/0x3c [ 81.786594][ T5966] __dump_stack+0x30/0x40 [ 81.787314][ T5966] dump_stack_lvl+0xf4/0x15c [ 81.788085][ T5966] dump_stack+0x1c/0x5c [ 81.788785][ T5966] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.789668][ T5966] f2fs_iget+0x1b2c/0x5110 [ 81.790422][ T5966] f2fs_nfs_get_inode+0x80/0x118 [ 81.791222][ T5966] generic_fh_to_dentry+0x9c/0x104 [ 81.792150][ T5966] f2fs_fh_to_dentry+0x44/0x58 [ 81.792913][ T5966] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.793811][ T5966] exportfs_decode_fh+0x50/0x80 [ 81.794611][ T5966] do_handle_open+0x530/0x924 [ 81.795378][ T5966] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.796370][ T5966] invoke_syscall+0x98/0x2b0 [ 81.797162][ T5966] el0_svc_common+0x138/0x258 [ 81.798047][ T5966] do_el0_svc+0x58/0x13c [ 81.798716][ T5966] el0_svc+0x78/0x1d0 [ 81.799371][ T5966] el0t_64_sync_handler+0xcc/0xe4 [ 81.800182][ T5966] el0t_64_sync+0x1a0/0x1a4 [ 81.806049][ T5960] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.827971][ T5983] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.829267][ T5983] CPU: 0 PID: 5983 Comm: syz.0.78 Not tainted syzkaller #0 [ 81.830494][ T5983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.832287][ T5983] Call trace: [ 81.832805][ T5983] dump_backtrace+0x0/0x458 [ 81.833551][ T5983] show_stack+0x2c/0x3c [ 81.834255][ T5983] __dump_stack+0x30/0x40 [ 81.834999][ T5983] dump_stack_lvl+0xf4/0x15c [ 81.835848][ T5983] dump_stack+0x1c/0x5c [ 81.836549][ T5983] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.837484][ T5983] f2fs_iget+0x1b2c/0x5110 [ 81.838229][ T5983] f2fs_nfs_get_inode+0x80/0x118 [ 81.839090][ T5983] generic_fh_to_dentry+0x9c/0x104 [ 81.839966][ T5983] f2fs_fh_to_dentry+0x44/0x58 [ 81.840798][ T5983] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.841738][ T5983] exportfs_decode_fh+0x50/0x80 [ 81.842555][ T5983] do_handle_open+0x530/0x924 [ 81.843391][ T5983] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.844383][ T5983] invoke_syscall+0x98/0x2b0 [ 81.845179][ T5983] el0_svc_common+0x138/0x258 [ 81.845952][ T5983] do_el0_svc+0x58/0x13c [ 81.846658][ T5983] el0_svc+0x78/0x1d0 [ 81.847319][ T5983] el0t_64_sync_handler+0xcc/0xe4 [ 81.848185][ T5983] el0t_64_sync+0x1a0/0x1a4 [ 81.858074][ T5966] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.887386][ T5983] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 81.906295][ T5984] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 81.936914][ T5984] CPU: 0 PID: 5984 Comm: syz.1.79 Not tainted syzkaller #0 [ 81.938128][ T5984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.939772][ T5984] Call trace: [ 81.940381][ T5984] dump_backtrace+0x0/0x458 [ 81.941208][ T5984] show_stack+0x2c/0x3c [ 81.941937][ T5984] __dump_stack+0x30/0x40 [ 81.942780][ T5984] dump_stack_lvl+0xf4/0x15c [ 81.943542][ T5984] dump_stack+0x1c/0x5c [ 81.944264][ T5984] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 81.945164][ T5984] f2fs_iget+0x1b2c/0x5110 [ 81.945895][ T5984] f2fs_nfs_get_inode+0x80/0x118 [ 81.946750][ T5984] generic_fh_to_dentry+0x9c/0x104 [ 81.947668][ T5984] f2fs_fh_to_dentry+0x44/0x58 [ 81.948528][ T5984] exportfs_decode_fh_raw+0x13c/0x4e8 [ 81.949494][ T5984] exportfs_decode_fh+0x50/0x80 [ 81.950290][ T5984] do_handle_open+0x530/0x924 [ 81.951133][ T5984] __arm64_sys_open_by_handle_at+0x80/0x94 [ 81.952224][ T5984] invoke_syscall+0x98/0x2b0 [ 81.953095][ T5984] el0_svc_common+0x138/0x258 [ 81.953944][ T5984] do_el0_svc+0x58/0x13c [ 81.954700][ T5984] el0_svc+0x78/0x1d0 [ 81.955419][ T5984] el0t_64_sync_handler+0xcc/0xe4 [ 81.956312][ T5984] el0t_64_sync+0x1a0/0x1a4 [ 81.989704][ T5971] F2FS-fs (loop2): Found nat_bits in checkpoint [ 81.994879][ T5972] F2FS-fs (loop3): Found nat_bits in checkpoint [ 82.012270][ T5971] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 82.015714][ T5972] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 82.016258][ T5971] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.017592][ T5972] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.019419][ T5971] CPU: 1 PID: 5971 Comm: syz.2.81 Not tainted syzkaller #0 [ 82.020707][ T5971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.022386][ T5971] Call trace: [ 82.022995][ T5971] dump_backtrace+0x0/0x458 [ 82.023764][ T5971] show_stack+0x2c/0x3c [ 82.024476][ T5971] __dump_stack+0x30/0x40 [ 82.025241][ T5971] dump_stack_lvl+0xf4/0x15c [ 82.026111][ T5971] dump_stack+0x1c/0x5c [ 82.026839][ T5971] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.027791][ T5971] f2fs_iget+0x1b2c/0x5110 [ 82.028565][ T5971] f2fs_nfs_get_inode+0x80/0x118 [ 82.029422][ T5971] generic_fh_to_dentry+0x9c/0x104 [ 82.030368][ T5971] f2fs_fh_to_dentry+0x44/0x58 [ 82.031199][ T5971] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.032112][ T5971] exportfs_decode_fh+0x50/0x80 [ 82.032982][ T5971] do_handle_open+0x530/0x924 [ 82.033855][ T5971] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.034863][ T5971] invoke_syscall+0x98/0x2b0 [ 82.035659][ T5971] el0_svc_common+0x138/0x258 [ 82.036469][ T5971] do_el0_svc+0x58/0x13c [ 82.037235][ T5971] el0_svc+0x78/0x1d0 [ 82.037961][ T5971] el0t_64_sync_handler+0xcc/0xe4 [ 82.038894][ T5971] el0t_64_sync+0x1a0/0x1a4 [ 82.039716][ T5972] CPU: 0 PID: 5972 Comm: syz.3.80 Not tainted syzkaller #0 [ 82.040921][ T5972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.042509][ T5972] Call trace: [ 82.042990][ T5972] dump_backtrace+0x0/0x458 [ 82.043721][ T5972] show_stack+0x2c/0x3c [ 82.044449][ T5972] __dump_stack+0x30/0x40 [ 82.045249][ T5972] dump_stack_lvl+0xf4/0x15c [ 82.046041][ T5972] dump_stack+0x1c/0x5c [ 82.046775][ T5972] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.047682][ T5972] f2fs_iget+0x1b2c/0x5110 [ 82.048448][ T5972] f2fs_nfs_get_inode+0x80/0x118 [ 82.049321][ T5972] generic_fh_to_dentry+0x9c/0x104 [ 82.050167][ T5972] f2fs_fh_to_dentry+0x44/0x58 [ 82.051019][ T5972] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.051937][ T5972] exportfs_decode_fh+0x50/0x80 [ 82.052779][ T5972] do_handle_open+0x530/0x924 [ 82.053618][ T5972] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.054602][ T5972] invoke_syscall+0x98/0x2b0 [ 82.055478][ T5972] el0_svc_common+0x138/0x258 [ 82.055942][ T5971] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.056328][ T5972] do_el0_svc+0x58/0x13c [ 82.058967][ T5972] el0_svc+0x78/0x1d0 [ 82.059660][ T5972] el0t_64_sync_handler+0xcc/0xe4 [ 82.060583][ T5972] el0t_64_sync+0x1a0/0x1a4 [ 82.069873][ T5971] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.071195][ T5971] CPU: 1 PID: 5971 Comm: syz.2.81 Not tainted syzkaller #0 [ 82.072453][ T5971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.074109][ T5984] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.074290][ T5971] Call trace: [ 82.076591][ T5971] dump_backtrace+0x0/0x458 [ 82.077383][ T5971] show_stack+0x2c/0x3c [ 82.078129][ T5971] __dump_stack+0x30/0x40 [ 82.078889][ T5971] dump_stack_lvl+0xf4/0x15c [ 82.079740][ T5971] dump_stack+0x1c/0x5c [ 82.080463][ T5971] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.081406][ T5971] f2fs_iget+0x1b2c/0x5110 [ 82.082145][ T5971] f2fs_nfs_get_inode+0x80/0x118 [ 82.083024][ T5971] generic_fh_to_dentry+0x9c/0x104 [ 82.083888][ T5971] f2fs_fh_to_dentry+0x44/0x58 [ 82.084643][ T5971] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.085525][ T5971] exportfs_decode_fh+0x50/0x80 [ 82.086266][ T5971] do_handle_open+0x530/0x924 [ 82.087098][ T5971] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.088099][ T5971] invoke_syscall+0x98/0x2b0 [ 82.088874][ T5971] el0_svc_common+0x138/0x258 [ 82.089697][ T5971] do_el0_svc+0x58/0x13c [ 82.090408][ T5971] el0_svc+0x78/0x1d0 [ 82.091148][ T5971] el0t_64_sync_handler+0xcc/0xe4 [ 82.092052][ T5971] el0t_64_sync+0x1a0/0x1a4 [ 82.114830][ T5972] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.117273][ T5995] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.118641][ T5995] CPU: 0 PID: 5995 Comm: syz.3.80 Not tainted syzkaller #0 [ 82.119940][ T5995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.121794][ T5995] Call trace: [ 82.122318][ T5995] dump_backtrace+0x0/0x458 [ 82.123114][ T5995] show_stack+0x2c/0x3c [ 82.123845][ T5995] __dump_stack+0x30/0x40 [ 82.124580][ T5995] dump_stack_lvl+0xf4/0x15c [ 82.125344][ T5995] dump_stack+0x1c/0x5c [ 82.126040][ T5995] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.126938][ T5995] f2fs_iget+0x1b2c/0x5110 [ 82.127711][ T5995] f2fs_nfs_get_inode+0x80/0x118 [ 82.128551][ T5995] generic_fh_to_dentry+0x9c/0x104 [ 82.129490][ T5995] f2fs_fh_to_dentry+0x44/0x58 [ 82.130304][ T5995] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.131170][ T5995] exportfs_decode_fh+0x50/0x80 [ 82.132009][ T5995] do_handle_open+0x530/0x924 [ 82.132845][ T5995] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.133894][ T5995] invoke_syscall+0x98/0x2b0 [ 82.134690][ T5995] el0_svc_common+0x138/0x258 [ 82.135524][ T5995] do_el0_svc+0x58/0x13c [ 82.136249][ T5995] el0_svc+0x78/0x1d0 [ 82.136957][ T5995] el0t_64_sync_handler+0xcc/0xe4 [ 82.137861][ T5995] el0t_64_sync+0x1a0/0x1a4 [ 82.156097][ T5971] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.204612][ T5995] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.288175][ T5976] F2FS-fs (loop4): Found nat_bits in checkpoint [ 82.314990][ T5976] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 82.317573][ T5976] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.318998][ T5976] CPU: 0 PID: 5976 Comm: syz.4.82 Not tainted syzkaller #0 [ 82.320228][ T5976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.321850][ T5976] Call trace: [ 82.322409][ T5976] dump_backtrace+0x0/0x458 [ 82.323251][ T5976] show_stack+0x2c/0x3c [ 82.323941][ T5976] __dump_stack+0x30/0x40 [ 82.324665][ T5976] dump_stack_lvl+0xf4/0x15c [ 82.325444][ T5976] dump_stack+0x1c/0x5c [ 82.326112][ T5976] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.327019][ T5976] f2fs_iget+0x1b2c/0x5110 [ 82.327799][ T5976] f2fs_nfs_get_inode+0x80/0x118 [ 82.328663][ T5976] generic_fh_to_dentry+0x9c/0x104 [ 82.329550][ T5976] f2fs_fh_to_dentry+0x44/0x58 [ 82.330383][ T5976] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.331354][ T5976] exportfs_decode_fh+0x50/0x80 [ 82.332107][ T5976] do_handle_open+0x530/0x924 [ 82.332922][ T5976] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.333931][ T5976] invoke_syscall+0x98/0x2b0 [ 82.334776][ T5976] el0_svc_common+0x138/0x258 [ 82.335568][ T5976] do_el0_svc+0x58/0x13c [ 82.336276][ T5976] el0_svc+0x78/0x1d0 [ 82.336911][ T5976] el0t_64_sync_handler+0xcc/0xe4 [ 82.337750][ T5976] el0t_64_sync+0x1a0/0x1a4 [ 82.374134][ T5976] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.377821][ T6006] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.379212][ T6006] CPU: 1 PID: 6006 Comm: syz.4.82 Not tainted syzkaller #0 [ 82.380416][ T6006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.382222][ T6006] Call trace: [ 82.382767][ T6006] dump_backtrace+0x0/0x458 [ 82.383581][ T6006] show_stack+0x2c/0x3c [ 82.384280][ T6006] __dump_stack+0x30/0x40 [ 82.385110][ T6006] dump_stack_lvl+0xf4/0x15c [ 82.385918][ T6006] dump_stack+0x1c/0x5c [ 82.386640][ T6006] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.387512][ T6006] f2fs_iget+0x1b2c/0x5110 [ 82.388286][ T6006] f2fs_nfs_get_inode+0x80/0x118 [ 82.389178][ T6006] generic_fh_to_dentry+0x9c/0x104 [ 82.390077][ T6006] f2fs_fh_to_dentry+0x44/0x58 [ 82.390962][ T6006] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.391898][ T6006] exportfs_decode_fh+0x50/0x80 [ 82.392713][ T6006] do_handle_open+0x530/0x924 [ 82.393475][ T6006] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.394448][ T6006] invoke_syscall+0x98/0x2b0 [ 82.395235][ T6006] el0_svc_common+0x138/0x258 [ 82.396027][ T6006] do_el0_svc+0x58/0x13c [ 82.396790][ T6006] el0_svc+0x78/0x1d0 [ 82.397483][ T6006] el0t_64_sync_handler+0xcc/0xe4 [ 82.398367][ T6006] el0t_64_sync+0x1a0/0x1a4 [ 82.445049][ T5992] F2FS-fs (loop0): Found nat_bits in checkpoint [ 82.473935][ T5992] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 82.477045][ T5992] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.478440][ T5992] CPU: 0 PID: 5992 Comm: syz.0.83 Not tainted syzkaller #0 [ 82.479672][ T5992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.481361][ T5992] Call trace: [ 82.481917][ T5992] dump_backtrace+0x0/0x458 [ 82.482700][ T5992] show_stack+0x2c/0x3c [ 82.483413][ T5992] __dump_stack+0x30/0x40 [ 82.483526][ T6006] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.484177][ T5992] dump_stack_lvl+0xf4/0x15c [ 82.484193][ T5992] dump_stack+0x1c/0x5c [ 82.484207][ T5992] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.484218][ T5992] f2fs_iget+0x1b2c/0x5110 [ 82.484229][ T5992] f2fs_nfs_get_inode+0x80/0x118 [ 82.484235][ T5992] generic_fh_to_dentry+0x9c/0x104 [ 82.484243][ T5992] f2fs_fh_to_dentry+0x44/0x58 [ 82.492223][ T5992] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.493248][ T5992] exportfs_decode_fh+0x50/0x80 [ 82.494121][ T5992] do_handle_open+0x530/0x924 [ 82.494931][ T5992] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.495963][ T5992] invoke_syscall+0x98/0x2b0 [ 82.496721][ T5992] el0_svc_common+0x138/0x258 [ 82.497467][ T5992] do_el0_svc+0x58/0x13c [ 82.498241][ T5992] el0_svc+0x78/0x1d0 [ 82.498910][ T5992] el0t_64_sync_handler+0xcc/0xe4 [ 82.499720][ T5992] el0t_64_sync+0x1a0/0x1a4 [ 82.544509][ T5992] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.551874][ T6011] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.553161][ T6011] CPU: 0 PID: 6011 Comm: syz.0.83 Not tainted syzkaller #0 [ 82.554304][ T6011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.555938][ T6011] Call trace: [ 82.556477][ T6011] dump_backtrace+0x0/0x458 [ 82.557260][ T6011] show_stack+0x2c/0x3c [ 82.557954][ T6011] __dump_stack+0x30/0x40 [ 82.558750][ T6011] dump_stack_lvl+0xf4/0x15c [ 82.559547][ T6011] dump_stack+0x1c/0x5c [ 82.560225][ T6011] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.561154][ T6011] f2fs_iget+0x1b2c/0x5110 [ 82.561913][ T6011] f2fs_nfs_get_inode+0x80/0x118 [ 82.562731][ T6011] generic_fh_to_dentry+0x9c/0x104 [ 82.563632][ T6011] f2fs_fh_to_dentry+0x44/0x58 [ 82.564421][ T6011] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.565373][ T6011] exportfs_decode_fh+0x50/0x80 [ 82.566172][ T6011] do_handle_open+0x530/0x924 [ 82.566991][ T6011] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.568000][ T6011] invoke_syscall+0x98/0x2b0 [ 82.568763][ T6011] el0_svc_common+0x138/0x258 [ 82.569585][ T6011] do_el0_svc+0x58/0x13c [ 82.570320][ T6011] el0_svc+0x78/0x1d0 [ 82.571005][ T6011] el0t_64_sync_handler+0xcc/0xe4 [ 82.571884][ T6011] el0t_64_sync+0x1a0/0x1a4 [ 82.587088][ T6011] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.629148][ T5997] F2FS-fs (loop1): Found nat_bits in checkpoint [ 82.651124][ T5997] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 82.653668][ T5999] F2FS-fs (loop2): Found nat_bits in checkpoint [ 82.665728][ T5997] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.667178][ T5997] CPU: 0 PID: 5997 Comm: syz.1.84 Not tainted syzkaller #0 [ 82.668283][ T5997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.669952][ T5997] Call trace: [ 82.670484][ T5997] dump_backtrace+0x0/0x458 [ 82.671214][ T5997] show_stack+0x2c/0x3c [ 82.671871][ T5997] __dump_stack+0x30/0x40 [ 82.672582][ T5997] dump_stack_lvl+0xf4/0x15c [ 82.673339][ T5997] dump_stack+0x1c/0x5c [ 82.673999][ T5997] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.674899][ T5997] f2fs_iget+0x1b2c/0x5110 [ 82.675592][ T5997] f2fs_nfs_get_inode+0x80/0x118 [ 82.676394][ T5997] generic_fh_to_dentry+0x9c/0x104 [ 82.677318][ T5997] f2fs_fh_to_dentry+0x44/0x58 [ 82.678056][ T5997] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.679010][ T5997] exportfs_decode_fh+0x50/0x80 [ 82.679777][ T5997] do_handle_open+0x530/0x924 [ 82.680553][ T5997] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.681542][ T5997] invoke_syscall+0x98/0x2b0 [ 82.682385][ T5997] el0_svc_common+0x138/0x258 [ 82.683195][ T5997] do_el0_svc+0x58/0x13c [ 82.683970][ T5997] el0_svc+0x78/0x1d0 [ 82.684619][ T5997] el0t_64_sync_handler+0xcc/0xe4 [ 82.685462][ T5997] el0t_64_sync+0x1a0/0x1a4 [ 82.689525][ T5999] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 82.701706][ T5999] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.702889][ T5999] CPU: 0 PID: 5999 Comm: syz.2.85 Not tainted syzkaller #0 [ 82.704009][ T5999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.705532][ T5999] Call trace: [ 82.706040][ T5999] dump_backtrace+0x0/0x458 [ 82.706722][ T5999] show_stack+0x2c/0x3c [ 82.707339][ T5999] __dump_stack+0x30/0x40 [ 82.708082][ T5999] dump_stack_lvl+0xf4/0x15c [ 82.708931][ T5999] dump_stack+0x1c/0x5c [ 82.709659][ T5999] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.710630][ T5999] f2fs_iget+0x1b2c/0x5110 [ 82.711437][ T5999] f2fs_nfs_get_inode+0x80/0x118 [ 82.712316][ T5999] generic_fh_to_dentry+0x9c/0x104 [ 82.713136][ T5999] f2fs_fh_to_dentry+0x44/0x58 [ 82.713952][ T5999] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.714849][ T5999] exportfs_decode_fh+0x50/0x80 [ 82.715644][ T5999] do_handle_open+0x530/0x924 [ 82.716430][ T5999] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.717458][ T5999] invoke_syscall+0x98/0x2b0 [ 82.718252][ T5999] el0_svc_common+0x138/0x258 [ 82.719088][ T5999] do_el0_svc+0x58/0x13c [ 82.719842][ T5999] el0_svc+0x78/0x1d0 [ 82.720536][ T5999] el0t_64_sync_handler+0xcc/0xe4 [ 82.721390][ T5999] el0t_64_sync+0x1a0/0x1a4 [ 82.738181][ T6002] F2FS-fs (loop3): Found nat_bits in checkpoint [ 82.749425][ T5997] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.751479][ T6025] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.752805][ T6025] CPU: 1 PID: 6025 Comm: syz.1.84 Not tainted syzkaller #0 [ 82.754022][ T6025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.755775][ T6025] Call trace: [ 82.756332][ T6025] dump_backtrace+0x0/0x458 [ 82.757146][ T6025] show_stack+0x2c/0x3c [ 82.757943][ T6025] __dump_stack+0x30/0x40 [ 82.758653][ T6025] dump_stack_lvl+0xf4/0x15c [ 82.759471][ T6025] dump_stack+0x1c/0x5c [ 82.760210][ T6025] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.761145][ T6025] f2fs_iget+0x1b2c/0x5110 [ 82.761957][ T6025] f2fs_nfs_get_inode+0x80/0x118 [ 82.762782][ T6025] generic_fh_to_dentry+0x9c/0x104 [ 82.763710][ T6025] f2fs_fh_to_dentry+0x44/0x58 [ 82.764507][ T6025] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.765454][ T6025] exportfs_decode_fh+0x50/0x80 [ 82.766303][ T6025] do_handle_open+0x530/0x924 [ 82.767087][ T6025] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.768032][ T6025] invoke_syscall+0x98/0x2b0 [ 82.768781][ T6025] el0_svc_common+0x138/0x258 [ 82.769569][ T6025] do_el0_svc+0x58/0x13c [ 82.770283][ T6025] el0_svc+0x78/0x1d0 [ 82.770924][ T6025] el0t_64_sync_handler+0xcc/0xe4 [ 82.771740][ T6025] el0t_64_sync+0x1a0/0x1a4 [ 82.776251][ T5999] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.778513][ T6029] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.779751][ T6029] CPU: 0 PID: 6029 Comm: syz.2.85 Not tainted syzkaller #0 [ 82.780880][ T6029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.782564][ T6029] Call trace: [ 82.783114][ T6029] dump_backtrace+0x0/0x458 [ 82.783861][ T6029] show_stack+0x2c/0x3c [ 82.784309][ T6002] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 82.784561][ T6029] __dump_stack+0x30/0x40 [ 82.786539][ T6029] dump_stack_lvl+0xf4/0x15c [ 82.787246][ T6029] dump_stack+0x1c/0x5c [ 82.787946][ T6029] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.788801][ T6029] f2fs_iget+0x1b2c/0x5110 [ 82.789539][ T6029] f2fs_nfs_get_inode+0x80/0x118 [ 82.790343][ T6029] generic_fh_to_dentry+0x9c/0x104 [ 82.791224][ T6029] f2fs_fh_to_dentry+0x44/0x58 [ 82.792010][ T6029] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.792880][ T6029] exportfs_decode_fh+0x50/0x80 [ 82.793777][ T6029] do_handle_open+0x530/0x924 [ 82.794585][ T6029] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.795524][ T6029] invoke_syscall+0x98/0x2b0 [ 82.796336][ T6029] el0_svc_common+0x138/0x258 [ 82.797061][ T6029] do_el0_svc+0x58/0x13c [ 82.797755][ T6029] el0_svc+0x78/0x1d0 [ 82.798379][ T6029] el0t_64_sync_handler+0xcc/0xe4 [ 82.799194][ T6029] el0t_64_sync+0x1a0/0x1a4 [ 82.803060][ T6002] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.804581][ T6002] CPU: 1 PID: 6002 Comm: syz.3.86 Not tainted syzkaller #0 [ 82.805832][ T6002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.807590][ T6002] Call trace: [ 82.808117][ T6002] dump_backtrace+0x0/0x458 [ 82.808930][ T6002] show_stack+0x2c/0x3c [ 82.809690][ T6002] __dump_stack+0x30/0x40 [ 82.810463][ T6002] dump_stack_lvl+0xf4/0x15c [ 82.811260][ T6002] dump_stack+0x1c/0x5c [ 82.811970][ T6002] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.812912][ T6002] f2fs_iget+0x1b2c/0x5110 [ 82.813610][ T6002] f2fs_nfs_get_inode+0x80/0x118 [ 82.814419][ T6002] generic_fh_to_dentry+0x9c/0x104 [ 82.815262][ T6002] f2fs_fh_to_dentry+0x44/0x58 [ 82.816116][ T6002] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.817020][ T6002] exportfs_decode_fh+0x50/0x80 [ 82.817831][ T6002] do_handle_open+0x530/0x924 [ 82.818616][ T6002] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.819647][ T6002] invoke_syscall+0x98/0x2b0 [ 82.820422][ T6002] el0_svc_common+0x138/0x258 [ 82.821236][ T6002] do_el0_svc+0x58/0x13c [ 82.821946][ T6002] el0_svc+0x78/0x1d0 [ 82.822585][ T6002] el0t_64_sync_handler+0xcc/0xe4 [ 82.823507][ T6002] el0t_64_sync+0x1a0/0x1a4 [ 82.838603][ T6025] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.841109][ T6029] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.853215][ T6002] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 82.869356][ T6030] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 82.870695][ T6030] CPU: 1 PID: 6030 Comm: syz.3.86 Not tainted syzkaller #0 [ 82.872058][ T6030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.873647][ T6030] Call trace: [ 82.874234][ T6030] dump_backtrace+0x0/0x458 [ 82.875012][ T6030] show_stack+0x2c/0x3c [ 82.875716][ T6030] __dump_stack+0x30/0x40 [ 82.876504][ T6030] dump_stack_lvl+0xf4/0x15c [ 82.877328][ T6030] dump_stack+0x1c/0x5c [ 82.878060][ T6030] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 82.879023][ T6030] f2fs_iget+0x1b2c/0x5110 [ 82.879787][ T6030] f2fs_nfs_get_inode+0x80/0x118 [ 82.880665][ T6030] generic_fh_to_dentry+0x9c/0x104 [ 82.881536][ T6030] f2fs_fh_to_dentry+0x44/0x58 [ 82.882318][ T6030] exportfs_decode_fh_raw+0x13c/0x4e8 [ 82.883264][ T6030] exportfs_decode_fh+0x50/0x80 [ 82.884134][ T6030] do_handle_open+0x530/0x924 [ 82.884908][ T6030] __arm64_sys_open_by_handle_at+0x80/0x94 [ 82.885837][ T6030] invoke_syscall+0x98/0x2b0 [ 82.886680][ T6030] el0_svc_common+0x138/0x258 [ 82.887496][ T6030] do_el0_svc+0x58/0x13c [ 82.888207][ T6030] el0_svc+0x78/0x1d0 [ 82.888863][ T6030] el0t_64_sync_handler+0xcc/0xe4 [ 82.889786][ T6030] el0t_64_sync+0x1a0/0x1a4 [ 82.931887][ T6030] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.058117][ T6013] F2FS-fs (loop4): Found nat_bits in checkpoint [ 83.078512][ T6013] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 83.080565][ T6013] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.081950][ T6013] CPU: 0 PID: 6013 Comm: syz.4.87 Not tainted syzkaller #0 [ 83.083211][ T6013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.084996][ T6013] Call trace: [ 83.085565][ T6013] dump_backtrace+0x0/0x458 [ 83.086313][ T6013] show_stack+0x2c/0x3c [ 83.087042][ T6013] __dump_stack+0x30/0x40 [ 83.087777][ T6013] dump_stack_lvl+0xf4/0x15c [ 83.088590][ T6013] dump_stack+0x1c/0x5c [ 83.089291][ T6013] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.090171][ T6013] f2fs_iget+0x1b2c/0x5110 [ 83.090982][ T6013] f2fs_nfs_get_inode+0x80/0x118 [ 83.091865][ T6013] generic_fh_to_dentry+0x9c/0x104 [ 83.092797][ T6013] f2fs_fh_to_dentry+0x44/0x58 [ 83.093571][ T6013] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.094502][ T6013] exportfs_decode_fh+0x50/0x80 [ 83.095348][ T6013] do_handle_open+0x530/0x924 [ 83.096173][ T6013] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.097099][ T6013] invoke_syscall+0x98/0x2b0 [ 83.097911][ T6013] el0_svc_common+0x138/0x258 [ 83.098697][ T6013] do_el0_svc+0x58/0x13c [ 83.099398][ T6013] el0_svc+0x78/0x1d0 [ 83.100087][ T6013] el0t_64_sync_handler+0xcc/0xe4 [ 83.100919][ T6013] el0t_64_sync+0x1a0/0x1a4 [ 83.134797][ T6019] F2FS-fs (loop0): Found nat_bits in checkpoint [ 83.149929][ T6013] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.152054][ T6045] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.153252][ T6045] CPU: 1 PID: 6045 Comm: syz.4.87 Not tainted syzkaller #0 [ 83.154455][ T6045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.156139][ T6045] Call trace: [ 83.156669][ T6045] dump_backtrace+0x0/0x458 [ 83.157500][ T6045] show_stack+0x2c/0x3c [ 83.158251][ T6045] __dump_stack+0x30/0x40 [ 83.159067][ T6045] dump_stack_lvl+0xf4/0x15c [ 83.159911][ T6045] dump_stack+0x1c/0x5c [ 83.160723][ T6045] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.161675][ T6045] f2fs_iget+0x1b2c/0x5110 [ 83.162472][ T6045] f2fs_nfs_get_inode+0x80/0x118 [ 83.163345][ T6045] generic_fh_to_dentry+0x9c/0x104 [ 83.164282][ T6045] f2fs_fh_to_dentry+0x44/0x58 [ 83.165116][ T6045] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.166101][ T6045] exportfs_decode_fh+0x50/0x80 [ 83.166926][ T6045] do_handle_open+0x530/0x924 [ 83.167779][ T6045] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.168816][ T6045] invoke_syscall+0x98/0x2b0 [ 83.169577][ T6045] el0_svc_common+0x138/0x258 [ 83.170392][ T6045] do_el0_svc+0x58/0x13c [ 83.171185][ T6045] el0_svc+0x78/0x1d0 [ 83.171909][ T6045] el0t_64_sync_handler+0xcc/0xe4 [ 83.172774][ T6045] el0t_64_sync+0x1a0/0x1a4 [ 83.179932][ T6019] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 83.190567][ T6019] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.192014][ T6019] CPU: 1 PID: 6019 Comm: syz.0.88 Not tainted syzkaller #0 [ 83.193270][ T6019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.195088][ T6019] Call trace: [ 83.195664][ T6019] dump_backtrace+0x0/0x458 [ 83.196462][ T6019] show_stack+0x2c/0x3c [ 83.197214][ T6019] __dump_stack+0x30/0x40 [ 83.197933][ T6019] dump_stack_lvl+0xf4/0x15c [ 83.198685][ T6019] dump_stack+0x1c/0x5c [ 83.199380][ T6019] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.200384][ T6019] f2fs_iget+0x1b2c/0x5110 [ 83.201152][ T6019] f2fs_nfs_get_inode+0x80/0x118 [ 83.202030][ T6019] generic_fh_to_dentry+0x9c/0x104 [ 83.202928][ T6019] f2fs_fh_to_dentry+0x44/0x58 [ 83.203819][ T6019] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.204766][ T6019] exportfs_decode_fh+0x50/0x80 [ 83.205635][ T6019] do_handle_open+0x530/0x924 [ 83.206480][ T6019] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.207499][ T6019] invoke_syscall+0x98/0x2b0 [ 83.208313][ T6019] el0_svc_common+0x138/0x258 [ 83.209185][ T6019] do_el0_svc+0x58/0x13c [ 83.209951][ T6019] el0_svc+0x78/0x1d0 [ 83.210673][ T6019] el0t_64_sync_handler+0xcc/0xe4 [ 83.211551][ T6019] el0t_64_sync+0x1a0/0x1a4 [ 83.254126][ T6019] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.254955][ T6033] F2FS-fs (loop1): Found nat_bits in checkpoint [ 83.267761][ T6048] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.269136][ T6048] CPU: 1 PID: 6048 Comm: syz.0.88 Not tainted syzkaller #0 [ 83.270331][ T6048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.272008][ T6048] Call trace: [ 83.272538][ T6048] dump_backtrace+0x0/0x458 [ 83.273340][ T6048] show_stack+0x2c/0x3c [ 83.274059][ T6048] __dump_stack+0x30/0x40 [ 83.274829][ T6048] dump_stack_lvl+0xf4/0x15c [ 83.275567][ T6033] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 83.275595][ T6048] dump_stack+0x1c/0x5c [ 83.277560][ T6048] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.278545][ T6048] f2fs_iget+0x1b2c/0x5110 [ 83.279304][ T6048] f2fs_nfs_get_inode+0x80/0x118 [ 83.280146][ T6048] generic_fh_to_dentry+0x9c/0x104 [ 83.281021][ T6048] f2fs_fh_to_dentry+0x44/0x58 [ 83.281807][ T6048] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.282703][ T6048] exportfs_decode_fh+0x50/0x80 [ 83.283522][ T6048] do_handle_open+0x530/0x924 [ 83.284267][ T6048] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.285340][ T6048] invoke_syscall+0x98/0x2b0 [ 83.286183][ T6048] el0_svc_common+0x138/0x258 [ 83.286990][ T6048] do_el0_svc+0x58/0x13c [ 83.287712][ T6048] el0_svc+0x78/0x1d0 [ 83.288421][ T6048] el0t_64_sync_handler+0xcc/0xe4 [ 83.289318][ T6048] el0t_64_sync+0x1a0/0x1a4 [ 83.292377][ T6033] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.293772][ T6033] CPU: 0 PID: 6033 Comm: syz.1.89 Not tainted syzkaller #0 [ 83.295005][ T6033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.296764][ T6033] Call trace: [ 83.297356][ T6033] dump_backtrace+0x0/0x458 [ 83.298143][ T6033] show_stack+0x2c/0x3c [ 83.298807][ T6033] __dump_stack+0x30/0x40 [ 83.299526][ T6033] dump_stack_lvl+0xf4/0x15c [ 83.300321][ T6033] dump_stack+0x1c/0x5c [ 83.301047][ T6033] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.301949][ T6033] f2fs_iget+0x1b2c/0x5110 [ 83.302755][ T6033] f2fs_nfs_get_inode+0x80/0x118 [ 83.303605][ T6033] generic_fh_to_dentry+0x9c/0x104 [ 83.304514][ T6033] f2fs_fh_to_dentry+0x44/0x58 [ 83.305330][ T6033] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.306198][ T6033] exportfs_decode_fh+0x50/0x80 [ 83.307006][ T6033] do_handle_open+0x530/0x924 [ 83.307839][ T6033] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.308797][ T6033] invoke_syscall+0x98/0x2b0 [ 83.309625][ T6033] el0_svc_common+0x138/0x258 [ 83.310456][ T6033] do_el0_svc+0x58/0x13c [ 83.311212][ T6033] el0_svc+0x78/0x1d0 [ 83.311918][ T6033] el0t_64_sync_handler+0xcc/0xe4 [ 83.312810][ T6033] el0t_64_sync+0x1a0/0x1a4 [ 83.313208][ T6045] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.324882][ T6048] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.351256][ T6033] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.357353][ T6034] F2FS-fs (loop2): Found nat_bits in checkpoint [ 83.366704][ T6056] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.367978][ T6056] CPU: 0 PID: 6056 Comm: syz.1.89 Not tainted syzkaller #0 [ 83.369193][ T6056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.370933][ T6056] Call trace: [ 83.371473][ T6056] dump_backtrace+0x0/0x458 [ 83.372236][ T6056] show_stack+0x2c/0x3c [ 83.372902][ T6056] __dump_stack+0x30/0x40 [ 83.373630][ T6056] dump_stack_lvl+0xf4/0x15c [ 83.374412][ T6056] dump_stack+0x1c/0x5c [ 83.375059][ T6056] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.375944][ T6056] f2fs_iget+0x1b2c/0x5110 [ 83.376699][ T6056] f2fs_nfs_get_inode+0x80/0x118 [ 83.377515][ T6056] generic_fh_to_dentry+0x9c/0x104 [ 83.378365][ T6056] f2fs_fh_to_dentry+0x44/0x58 [ 83.379156][ T6056] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.380008][ T6056] exportfs_decode_fh+0x50/0x80 [ 83.380898][ T6056] do_handle_open+0x530/0x924 [ 83.381683][ T6056] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.382652][ T6056] invoke_syscall+0x98/0x2b0 [ 83.383387][ T6056] el0_svc_common+0x138/0x258 [ 83.384168][ T6056] do_el0_svc+0x58/0x13c [ 83.384830][ T6056] el0_svc+0x78/0x1d0 [ 83.385458][ T6056] el0t_64_sync_handler+0xcc/0xe4 [ 83.386320][ T6056] el0t_64_sync+0x1a0/0x1a4 [ 83.397931][ T6034] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 83.400064][ T6034] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.401278][ T6034] CPU: 0 PID: 6034 Comm: syz.2.90 Not tainted syzkaller #0 [ 83.402453][ T6034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.403994][ T6034] Call trace: [ 83.404541][ T6034] dump_backtrace+0x0/0x458 [ 83.405268][ T6034] show_stack+0x2c/0x3c [ 83.405939][ T6034] __dump_stack+0x30/0x40 [ 83.406602][ T6034] dump_stack_lvl+0xf4/0x15c [ 83.407300][ T6034] dump_stack+0x1c/0x5c [ 83.407979][ T6034] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.408887][ T6034] f2fs_iget+0x1b2c/0x5110 [ 83.409677][ T6034] f2fs_nfs_get_inode+0x80/0x118 [ 83.410494][ T6034] generic_fh_to_dentry+0x9c/0x104 [ 83.411330][ T6034] f2fs_fh_to_dentry+0x44/0x58 [ 83.412151][ T6034] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.413140][ T6034] exportfs_decode_fh+0x50/0x80 [ 83.413957][ T6034] do_handle_open+0x530/0x924 [ 83.414790][ T6034] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.415779][ T6034] invoke_syscall+0x98/0x2b0 [ 83.416560][ T6034] el0_svc_common+0x138/0x258 [ 83.417366][ T6034] do_el0_svc+0x58/0x13c [ 83.418093][ T6034] el0_svc+0x78/0x1d0 [ 83.418747][ T6034] el0t_64_sync_handler+0xcc/0xe4 [ 83.419649][ T6034] el0t_64_sync+0x1a0/0x1a4 [ 83.436092][ T6056] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.438151][ T6034] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.447325][ T6034] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.448619][ T6034] CPU: 0 PID: 6034 Comm: syz.2.90 Not tainted syzkaller #0 [ 83.449903][ T6034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.451596][ T6034] Call trace: [ 83.452086][ T6034] dump_backtrace+0x0/0x458 [ 83.452915][ T6034] show_stack+0x2c/0x3c [ 83.453622][ T6034] __dump_stack+0x30/0x40 [ 83.454351][ T6034] dump_stack_lvl+0xf4/0x15c [ 83.455111][ T6034] dump_stack+0x1c/0x5c [ 83.455791][ T6034] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.456690][ T6034] f2fs_iget+0x1b2c/0x5110 [ 83.457467][ T6034] f2fs_nfs_get_inode+0x80/0x118 [ 83.458278][ T6034] generic_fh_to_dentry+0x9c/0x104 [ 83.459224][ T6034] f2fs_fh_to_dentry+0x44/0x58 [ 83.460000][ T6034] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.460936][ T6034] exportfs_decode_fh+0x50/0x80 [ 83.461736][ T6034] do_handle_open+0x530/0x924 [ 83.462528][ T6034] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.463547][ T6034] invoke_syscall+0x98/0x2b0 [ 83.464273][ T6034] el0_svc_common+0x138/0x258 [ 83.465045][ T6034] do_el0_svc+0x58/0x13c [ 83.465762][ T6034] el0_svc+0x78/0x1d0 [ 83.466384][ T6034] el0t_64_sync_handler+0xcc/0xe4 [ 83.467188][ T6034] el0t_64_sync+0x1a0/0x1a4 [ 83.499032][ T6040] F2FS-fs (loop3): Found nat_bits in checkpoint [ 83.499486][ T6034] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.550133][ T6040] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 83.552075][ T6040] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.553407][ T6040] CPU: 1 PID: 6040 Comm: syz.3.91 Not tainted syzkaller #0 [ 83.554682][ T6040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.556417][ T6040] Call trace: [ 83.556953][ T6040] dump_backtrace+0x0/0x458 [ 83.557713][ T6040] show_stack+0x2c/0x3c [ 83.558453][ T6040] __dump_stack+0x30/0x40 [ 83.559208][ T6040] dump_stack_lvl+0xf4/0x15c [ 83.560000][ T6040] dump_stack+0x1c/0x5c [ 83.560680][ T6040] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.561636][ T6040] f2fs_iget+0x1b2c/0x5110 [ 83.562421][ T6040] f2fs_nfs_get_inode+0x80/0x118 [ 83.563295][ T6040] generic_fh_to_dentry+0x9c/0x104 [ 83.564132][ T6040] f2fs_fh_to_dentry+0x44/0x58 [ 83.564916][ T6040] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.565866][ T6040] exportfs_decode_fh+0x50/0x80 [ 83.566662][ T6040] do_handle_open+0x530/0x924 [ 83.567451][ T6040] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.568361][ T6040] invoke_syscall+0x98/0x2b0 [ 83.569103][ T6040] el0_svc_common+0x138/0x258 [ 83.569825][ T6040] do_el0_svc+0x58/0x13c [ 83.570496][ T6040] el0_svc+0x78/0x1d0 [ 83.571160][ T6040] el0t_64_sync_handler+0xcc/0xe4 [ 83.572081][ T6040] el0t_64_sync+0x1a0/0x1a4 [ 83.625701][ T6040] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.628084][ T6066] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.629435][ T6066] CPU: 0 PID: 6066 Comm: syz.3.91 Not tainted syzkaller #0 [ 83.630684][ T6066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.632310][ T6066] Call trace: [ 83.632838][ T6066] dump_backtrace+0x0/0x458 [ 83.633603][ T6066] show_stack+0x2c/0x3c [ 83.634334][ T6066] __dump_stack+0x30/0x40 [ 83.635030][ T6066] dump_stack_lvl+0xf4/0x15c [ 83.635831][ T6066] dump_stack+0x1c/0x5c [ 83.636519][ T6066] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.637417][ T6066] f2fs_iget+0x1b2c/0x5110 [ 83.638137][ T6066] f2fs_nfs_get_inode+0x80/0x118 [ 83.638982][ T6066] generic_fh_to_dentry+0x9c/0x104 [ 83.639841][ T6066] f2fs_fh_to_dentry+0x44/0x58 [ 83.640681][ T6066] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.641634][ T6066] exportfs_decode_fh+0x50/0x80 [ 83.642452][ T6066] do_handle_open+0x530/0x924 [ 83.643281][ T6066] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.644267][ T6066] invoke_syscall+0x98/0x2b0 [ 83.645103][ T6066] el0_svc_common+0x138/0x258 [ 83.645937][ T6066] do_el0_svc+0x58/0x13c [ 83.646701][ T6066] el0_svc+0x78/0x1d0 [ 83.647424][ T6066] el0t_64_sync_handler+0xcc/0xe4 [ 83.648291][ T6066] el0t_64_sync+0x1a0/0x1a4 [ 83.740564][ T6066] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.796620][ T6059] F2FS-fs (loop0): Found nat_bits in checkpoint [ 83.836342][ T6059] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 83.839010][ T6059] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.840611][ T6059] CPU: 0 PID: 6059 Comm: syz.0.93 Not tainted syzkaller #0 [ 83.841897][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.843704][ T6059] Call trace: [ 83.844248][ T6059] dump_backtrace+0x0/0x458 [ 83.845055][ T6059] show_stack+0x2c/0x3c [ 83.845791][ T6059] __dump_stack+0x30/0x40 [ 83.846503][ T6059] dump_stack_lvl+0xf4/0x15c [ 83.847347][ T6059] dump_stack+0x1c/0x5c [ 83.848089][ T6059] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.848931][ T6059] f2fs_iget+0x1b2c/0x5110 [ 83.849714][ T6059] f2fs_nfs_get_inode+0x80/0x118 [ 83.850607][ T6059] generic_fh_to_dentry+0x9c/0x104 [ 83.851470][ T6059] f2fs_fh_to_dentry+0x44/0x58 [ 83.852252][ T6059] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.853133][ T6059] exportfs_decode_fh+0x50/0x80 [ 83.853939][ T6059] do_handle_open+0x530/0x924 [ 83.854707][ T6059] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.855584][ T6059] invoke_syscall+0x98/0x2b0 [ 83.856403][ T6059] el0_svc_common+0x138/0x258 [ 83.857137][ T6059] do_el0_svc+0x58/0x13c [ 83.857808][ T6059] el0_svc+0x78/0x1d0 [ 83.858423][ T6059] el0t_64_sync_handler+0xcc/0xe4 [ 83.859202][ T6059] el0t_64_sync+0x1a0/0x1a4 [ 83.882693][ T6055] F2FS-fs (loop4): Found nat_bits in checkpoint [ 83.900930][ T6059] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.903378][ T6077] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.905223][ T6077] CPU: 1 PID: 6077 Comm: syz.0.93 Not tainted syzkaller #0 [ 83.906388][ T6077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.908159][ T6077] Call trace: [ 83.908739][ T6077] dump_backtrace+0x0/0x458 [ 83.909530][ T6077] show_stack+0x2c/0x3c [ 83.910262][ T6077] __dump_stack+0x30/0x40 [ 83.911035][ T6077] dump_stack_lvl+0xf4/0x15c [ 83.911801][ T6077] dump_stack+0x1c/0x5c [ 83.912534][ T6077] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.913408][ T6077] f2fs_iget+0x1b2c/0x5110 [ 83.914169][ T6077] f2fs_nfs_get_inode+0x80/0x118 [ 83.915004][ T6077] generic_fh_to_dentry+0x9c/0x104 [ 83.915886][ T6077] f2fs_fh_to_dentry+0x44/0x58 [ 83.916706][ T6077] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.917625][ T6077] exportfs_decode_fh+0x50/0x80 [ 83.918433][ T6077] do_handle_open+0x530/0x924 [ 83.919242][ T6077] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.920275][ T6077] invoke_syscall+0x98/0x2b0 [ 83.921085][ T6077] el0_svc_common+0x138/0x258 [ 83.921881][ T6077] do_el0_svc+0x58/0x13c [ 83.922568][ T6077] el0_svc+0x78/0x1d0 [ 83.923243][ T6077] el0t_64_sync_handler+0xcc/0xe4 [ 83.924048][ T6077] el0t_64_sync+0x1a0/0x1a4 [ 83.941386][ T6055] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 83.943549][ T6055] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 83.948767][ T6055] CPU: 1 PID: 6055 Comm: syz.4.92 Not tainted syzkaller #0 [ 83.949907][ T6055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.951601][ T6055] Call trace: [ 83.952126][ T6055] dump_backtrace+0x0/0x458 [ 83.952868][ T6055] show_stack+0x2c/0x3c [ 83.953590][ T6055] __dump_stack+0x30/0x40 [ 83.954314][ T6055] dump_stack_lvl+0xf4/0x15c [ 83.955115][ T6055] dump_stack+0x1c/0x5c [ 83.955876][ T6055] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 83.956835][ T6055] f2fs_iget+0x1b2c/0x5110 [ 83.957589][ T6055] f2fs_nfs_get_inode+0x80/0x118 [ 83.958458][ T6055] generic_fh_to_dentry+0x9c/0x104 [ 83.959299][ T6055] f2fs_fh_to_dentry+0x44/0x58 [ 83.960161][ T6055] exportfs_decode_fh_raw+0x13c/0x4e8 [ 83.961069][ T6055] exportfs_decode_fh+0x50/0x80 [ 83.961934][ T6055] do_handle_open+0x530/0x924 [ 83.962718][ T6055] __arm64_sys_open_by_handle_at+0x80/0x94 [ 83.963690][ T6055] invoke_syscall+0x98/0x2b0 [ 83.964455][ T6055] el0_svc_common+0x138/0x258 [ 83.965329][ T6055] do_el0_svc+0x58/0x13c [ 83.966074][ T6055] el0_svc+0x78/0x1d0 [ 83.966747][ T6055] el0t_64_sync_handler+0xcc/0xe4 [ 83.967564][ T6055] el0t_64_sync+0x1a0/0x1a4 [ 83.974278][ T6077] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.997441][ T6055] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 83.999834][ T6080] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.001229][ T6080] CPU: 0 PID: 6080 Comm: syz.4.92 Not tainted syzkaller #0 [ 84.002471][ T6080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.004139][ T6080] Call trace: [ 84.004685][ T6080] dump_backtrace+0x0/0x458 [ 84.005504][ T6080] show_stack+0x2c/0x3c [ 84.006297][ T6080] __dump_stack+0x30/0x40 [ 84.007028][ T6080] dump_stack_lvl+0xf4/0x15c [ 84.007828][ T6080] dump_stack+0x1c/0x5c [ 84.008572][ T6080] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.009485][ T6080] f2fs_iget+0x1b2c/0x5110 [ 84.010220][ T6080] f2fs_nfs_get_inode+0x80/0x118 [ 84.011057][ T6080] generic_fh_to_dentry+0x9c/0x104 [ 84.011954][ T6080] f2fs_fh_to_dentry+0x44/0x58 [ 84.012776][ T6080] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.013681][ T6080] exportfs_decode_fh+0x50/0x80 [ 84.014547][ T6080] do_handle_open+0x530/0x924 [ 84.015388][ T6080] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.016458][ T6080] invoke_syscall+0x98/0x2b0 [ 84.017233][ T6080] el0_svc_common+0x138/0x258 [ 84.018073][ T6080] do_el0_svc+0x58/0x13c [ 84.018799][ T6080] el0_svc+0x78/0x1d0 [ 84.019494][ T6080] el0t_64_sync_handler+0xcc/0xe4 [ 84.020324][ T6080] el0t_64_sync+0x1a0/0x1a4 [ 84.044463][ T6064] F2FS-fs (loop1): Found nat_bits in checkpoint [ 84.067877][ T6064] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 84.071090][ T6068] F2FS-fs (loop2): Found nat_bits in checkpoint [ 84.079672][ T6064] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.081005][ T6064] CPU: 1 PID: 6064 Comm: syz.1.94 Not tainted syzkaller #0 [ 84.082222][ T6064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.083958][ T6064] Call trace: [ 84.084550][ T6064] dump_backtrace+0x0/0x458 [ 84.085263][ T6064] show_stack+0x2c/0x3c [ 84.086001][ T6064] __dump_stack+0x30/0x40 [ 84.086796][ T6064] dump_stack_lvl+0xf4/0x15c [ 84.087632][ T6064] dump_stack+0x1c/0x5c [ 84.088367][ T6064] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.089276][ T6064] f2fs_iget+0x1b2c/0x5110 [ 84.090091][ T6064] f2fs_nfs_get_inode+0x80/0x118 [ 84.090908][ T6064] generic_fh_to_dentry+0x9c/0x104 [ 84.091756][ T6064] f2fs_fh_to_dentry+0x44/0x58 [ 84.092554][ T6064] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.093458][ T6064] exportfs_decode_fh+0x50/0x80 [ 84.094260][ T6064] do_handle_open+0x530/0x924 [ 84.095080][ T6064] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.096077][ T6064] invoke_syscall+0x98/0x2b0 [ 84.096881][ T6064] el0_svc_common+0x138/0x258 [ 84.097710][ T6064] do_el0_svc+0x58/0x13c [ 84.098465][ T6064] el0_svc+0x78/0x1d0 [ 84.099192][ T6064] el0t_64_sync_handler+0xcc/0xe4 [ 84.100105][ T6064] el0t_64_sync+0x1a0/0x1a4 [ 84.104365][ T6080] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.133992][ T6068] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 84.144284][ T6068] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.145620][ T6068] CPU: 1 PID: 6068 Comm: syz.2.95 Not tainted syzkaller #0 [ 84.146886][ T6068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.148726][ T6068] Call trace: [ 84.149253][ T6068] dump_backtrace+0x0/0x458 [ 84.150042][ T6068] show_stack+0x2c/0x3c [ 84.150779][ T6068] __dump_stack+0x30/0x40 [ 84.151502][ T6068] dump_stack_lvl+0xf4/0x15c [ 84.152262][ T6068] dump_stack+0x1c/0x5c [ 84.152934][ T6068] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.153877][ T6068] f2fs_iget+0x1b2c/0x5110 [ 84.154677][ T6068] f2fs_nfs_get_inode+0x80/0x118 [ 84.155575][ T6068] generic_fh_to_dentry+0x9c/0x104 [ 84.156493][ T6068] f2fs_fh_to_dentry+0x44/0x58 [ 84.157353][ T6068] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.158318][ T6068] exportfs_decode_fh+0x50/0x80 [ 84.159140][ T6068] do_handle_open+0x530/0x924 [ 84.159937][ T6068] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.160994][ T6068] invoke_syscall+0x98/0x2b0 [ 84.161768][ T6068] el0_svc_common+0x138/0x258 [ 84.162552][ T6068] do_el0_svc+0x58/0x13c [ 84.163249][ T6068] el0_svc+0x78/0x1d0 [ 84.163878][ T6068] el0t_64_sync_handler+0xcc/0xe4 [ 84.164783][ T6068] el0t_64_sync+0x1a0/0x1a4 [ 84.170402][ T6064] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.172661][ T6091] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.173987][ T6091] CPU: 1 PID: 6091 Comm: syz.1.94 Not tainted syzkaller #0 [ 84.175230][ T6091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.176917][ T6091] Call trace: [ 84.177468][ T6091] dump_backtrace+0x0/0x458 [ 84.178208][ T6091] show_stack+0x2c/0x3c [ 84.178891][ T6091] __dump_stack+0x30/0x40 [ 84.179640][ T6091] dump_stack_lvl+0xf4/0x15c [ 84.180436][ T6091] dump_stack+0x1c/0x5c [ 84.181149][ T6091] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.182057][ T6091] f2fs_iget+0x1b2c/0x5110 [ 84.182821][ T6091] f2fs_nfs_get_inode+0x80/0x118 [ 84.183681][ T6091] generic_fh_to_dentry+0x9c/0x104 [ 84.184505][ T6091] f2fs_fh_to_dentry+0x44/0x58 [ 84.185255][ T6091] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.186225][ T6091] exportfs_decode_fh+0x50/0x80 [ 84.187029][ T6091] do_handle_open+0x530/0x924 [ 84.187899][ T6091] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.188865][ T6091] invoke_syscall+0x98/0x2b0 [ 84.189633][ T6091] el0_svc_common+0x138/0x258 [ 84.190403][ T6091] do_el0_svc+0x58/0x13c [ 84.191096][ T6091] el0_svc+0x78/0x1d0 [ 84.191766][ T6091] el0t_64_sync_handler+0xcc/0xe4 [ 84.192688][ T6091] el0t_64_sync+0x1a0/0x1a4 [ 84.217063][ T6068] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.219127][ T6091] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.221198][ T6092] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.222533][ T6092] CPU: 0 PID: 6092 Comm: syz.2.95 Not tainted syzkaller #0 [ 84.223752][ T6092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.225440][ T6092] Call trace: [ 84.225995][ T6092] dump_backtrace+0x0/0x458 [ 84.226761][ T6092] show_stack+0x2c/0x3c [ 84.227469][ T6092] __dump_stack+0x30/0x40 [ 84.228218][ T6092] dump_stack_lvl+0xf4/0x15c [ 84.228960][ T6092] dump_stack+0x1c/0x5c [ 84.229625][ T6092] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.230518][ T6092] f2fs_iget+0x1b2c/0x5110 [ 84.231249][ T6092] f2fs_nfs_get_inode+0x80/0x118 [ 84.232146][ T6092] generic_fh_to_dentry+0x9c/0x104 [ 84.233020][ T6092] f2fs_fh_to_dentry+0x44/0x58 [ 84.233824][ T6092] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.234801][ T6092] exportfs_decode_fh+0x50/0x80 [ 84.235695][ T6092] do_handle_open+0x530/0x924 [ 84.236475][ T6092] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.237496][ T6092] invoke_syscall+0x98/0x2b0 [ 84.238270][ T6092] el0_svc_common+0x138/0x258 [ 84.239059][ T6092] do_el0_svc+0x58/0x13c [ 84.239804][ T6092] el0_svc+0x78/0x1d0 [ 84.240504][ T6092] el0t_64_sync_handler+0xcc/0xe4 [ 84.241423][ T6092] el0t_64_sync+0x1a0/0x1a4 [ 84.271032][ T6078] F2FS-fs (loop3): Found nat_bits in checkpoint [ 84.293382][ T6078] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 84.297151][ T6078] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.298408][ T6078] CPU: 0 PID: 6078 Comm: syz.3.96 Not tainted syzkaller #0 [ 84.299622][ T6078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.301278][ T6078] Call trace: [ 84.301867][ T6078] dump_backtrace+0x0/0x458 [ 84.302683][ T6078] show_stack+0x2c/0x3c [ 84.303366][ T6078] __dump_stack+0x30/0x40 [ 84.304130][ T6078] dump_stack_lvl+0xf4/0x15c [ 84.304930][ T6078] dump_stack+0x1c/0x5c [ 84.305610][ T6078] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.306476][ T6078] f2fs_iget+0x1b2c/0x5110 [ 84.307204][ T6078] f2fs_nfs_get_inode+0x80/0x118 [ 84.308046][ T6078] generic_fh_to_dentry+0x9c/0x104 [ 84.308944][ T6078] f2fs_fh_to_dentry+0x44/0x58 [ 84.309799][ T6078] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.310739][ T6078] exportfs_decode_fh+0x50/0x80 [ 84.311575][ T6078] do_handle_open+0x530/0x924 [ 84.312332][ T6078] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.313274][ T6078] invoke_syscall+0x98/0x2b0 [ 84.314051][ T6078] el0_svc_common+0x138/0x258 [ 84.314809][ T6078] do_el0_svc+0x58/0x13c [ 84.315568][ T6078] el0_svc+0x78/0x1d0 [ 84.316236][ T6078] el0t_64_sync_handler+0xcc/0xe4 [ 84.317119][ T6078] el0t_64_sync+0x1a0/0x1a4 [ 84.337169][ T6078] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.344411][ T6078] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.345590][ T6078] CPU: 0 PID: 6078 Comm: syz.3.96 Not tainted syzkaller #0 [ 84.346692][ T6078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.348326][ T6078] Call trace: [ 84.348843][ T6078] dump_backtrace+0x0/0x458 [ 84.349537][ T6078] show_stack+0x2c/0x3c [ 84.350183][ T6078] __dump_stack+0x30/0x40 [ 84.350909][ T6078] dump_stack_lvl+0xf4/0x15c [ 84.351684][ T6078] dump_stack+0x1c/0x5c [ 84.352377][ T6078] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.353344][ T6078] f2fs_iget+0x1b2c/0x5110 [ 84.354067][ T6078] f2fs_nfs_get_inode+0x80/0x118 [ 84.354980][ T6078] generic_fh_to_dentry+0x9c/0x104 [ 84.355890][ T6078] f2fs_fh_to_dentry+0x44/0x58 [ 84.356663][ T6078] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.357621][ T6078] exportfs_decode_fh+0x50/0x80 [ 84.358420][ T6078] do_handle_open+0x530/0x924 [ 84.359255][ T6078] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.360317][ T6078] invoke_syscall+0x98/0x2b0 [ 84.361158][ T6078] el0_svc_common+0x138/0x258 [ 84.361993][ T6078] do_el0_svc+0x58/0x13c [ 84.362711][ T6078] el0_svc+0x78/0x1d0 [ 84.363386][ T6078] el0t_64_sync_handler+0xcc/0xe4 [ 84.364333][ T6078] el0t_64_sync+0x1a0/0x1a4 [ 84.375188][ T6092] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.387493][ T6078] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.403239][ T6089] set_capacity_and_notify: 23 callbacks suppressed [ 84.403246][ T6089] loop0: detected capacity change from 0 to 40427 [ 84.445839][ T6089] F2FS-fs (loop0): Found nat_bits in checkpoint [ 84.465745][ T6089] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 84.467752][ T6089] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.469020][ T6089] CPU: 0 PID: 6089 Comm: syz.0.97 Not tainted syzkaller #0 [ 84.470294][ T6089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.472054][ T6089] Call trace: [ 84.472874][ T6089] dump_backtrace+0x0/0x458 [ 84.473623][ T6089] show_stack+0x2c/0x3c [ 84.474283][ T6089] __dump_stack+0x30/0x40 [ 84.475005][ T6089] dump_stack_lvl+0xf4/0x15c [ 84.475813][ T6089] dump_stack+0x1c/0x5c [ 84.476523][ T6089] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.477398][ T6089] f2fs_iget+0x1b2c/0x5110 [ 84.478092][ T6089] f2fs_nfs_get_inode+0x80/0x118 [ 84.478922][ T6089] generic_fh_to_dentry+0x9c/0x104 [ 84.479755][ T6089] f2fs_fh_to_dentry+0x44/0x58 [ 84.480485][ T6089] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.481437][ T6089] exportfs_decode_fh+0x50/0x80 [ 84.482241][ T6089] do_handle_open+0x530/0x924 [ 84.483074][ T6089] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.484092][ T6089] invoke_syscall+0x98/0x2b0 [ 84.484979][ T6089] el0_svc_common+0x138/0x258 [ 84.485721][ T6089] do_el0_svc+0x58/0x13c [ 84.486429][ T6089] el0_svc+0x78/0x1d0 [ 84.487078][ T6089] el0t_64_sync_handler+0xcc/0xe4 [ 84.487992][ T6089] el0t_64_sync+0x1a0/0x1a4 [ 84.519778][ T6089] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.524683][ T6109] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.525922][ T6109] CPU: 0 PID: 6109 Comm: syz.0.97 Not tainted syzkaller #0 [ 84.527046][ T6109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.528744][ T6109] Call trace: [ 84.529263][ T6109] dump_backtrace+0x0/0x458 [ 84.530050][ T6109] show_stack+0x2c/0x3c [ 84.530792][ T6109] __dump_stack+0x30/0x40 [ 84.531545][ T6109] dump_stack_lvl+0xf4/0x15c [ 84.532336][ T6109] dump_stack+0x1c/0x5c [ 84.533040][ T6109] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.533996][ T6109] f2fs_iget+0x1b2c/0x5110 [ 84.534750][ T6109] f2fs_nfs_get_inode+0x80/0x118 [ 84.535557][ T6109] generic_fh_to_dentry+0x9c/0x104 [ 84.536405][ T6109] f2fs_fh_to_dentry+0x44/0x58 [ 84.537216][ T6109] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.538132][ T6109] exportfs_decode_fh+0x50/0x80 [ 84.538968][ T6109] do_handle_open+0x530/0x924 [ 84.539750][ T6109] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.540628][ T6109] invoke_syscall+0x98/0x2b0 [ 84.541446][ T6109] el0_svc_common+0x138/0x258 [ 84.542172][ T6109] do_el0_svc+0x58/0x13c [ 84.542838][ T6109] el0_svc+0x78/0x1d0 [ 84.543511][ T6109] el0t_64_sync_handler+0xcc/0xe4 [ 84.544383][ T6109] el0t_64_sync+0x1a0/0x1a4 [ 84.587434][ T6109] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.683360][ T6097] loop1: detected capacity change from 0 to 40427 [ 84.712019][ T6100] loop4: detected capacity change from 0 to 40427 [ 84.774938][ T6103] loop2: detected capacity change from 0 to 40427 [ 84.789436][ T6100] F2FS-fs (loop4): Found nat_bits in checkpoint [ 84.798168][ T6097] F2FS-fs (loop1): Found nat_bits in checkpoint [ 84.805518][ T6107] loop3: detected capacity change from 0 to 40427 [ 84.817443][ T6097] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 84.819427][ T6100] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 84.821477][ T6100] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.822726][ T6100] CPU: 1 PID: 6100 Comm: syz.4.98 Not tainted syzkaller #0 [ 84.823896][ T6100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.825629][ T6100] Call trace: [ 84.826156][ T6100] dump_backtrace+0x0/0x458 [ 84.826887][ T6100] show_stack+0x2c/0x3c [ 84.827594][ T6100] __dump_stack+0x30/0x40 [ 84.828354][ T6100] dump_stack_lvl+0xf4/0x15c [ 84.829153][ T6100] dump_stack+0x1c/0x5c [ 84.829886][ T6100] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.830770][ T6100] f2fs_iget+0x1b2c/0x5110 [ 84.831554][ T6100] f2fs_nfs_get_inode+0x80/0x118 [ 84.832393][ T6100] generic_fh_to_dentry+0x9c/0x104 [ 84.833342][ T6100] f2fs_fh_to_dentry+0x44/0x58 [ 84.834187][ T6100] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.835087][ T6100] exportfs_decode_fh+0x50/0x80 [ 84.835939][ T6100] do_handle_open+0x530/0x924 [ 84.836793][ T6100] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.837778][ T6100] invoke_syscall+0x98/0x2b0 [ 84.838580][ T6100] el0_svc_common+0x138/0x258 [ 84.839358][ T6100] do_el0_svc+0x58/0x13c [ 84.840052][ T6100] el0_svc+0x78/0x1d0 [ 84.840765][ T6100] el0t_64_sync_handler+0xcc/0xe4 [ 84.841656][ T6100] el0t_64_sync+0x1a0/0x1a4 [ 84.847679][ T6097] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.848921][ T6097] CPU: 1 PID: 6097 Comm: syz.1.99 Not tainted syzkaller #0 [ 84.850193][ T6097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.851825][ T6097] Call trace: [ 84.852411][ T6097] dump_backtrace+0x0/0x458 [ 84.853153][ T6097] show_stack+0x2c/0x3c [ 84.853838][ T6097] __dump_stack+0x30/0x40 [ 84.854554][ T6097] dump_stack_lvl+0xf4/0x15c [ 84.855335][ T6097] dump_stack+0x1c/0x5c [ 84.856031][ T6097] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.856986][ T6097] f2fs_iget+0x1b2c/0x5110 [ 84.857726][ T6097] f2fs_nfs_get_inode+0x80/0x118 [ 84.858611][ T6097] generic_fh_to_dentry+0x9c/0x104 [ 84.859431][ T6097] f2fs_fh_to_dentry+0x44/0x58 [ 84.860291][ T6097] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.861216][ T6097] exportfs_decode_fh+0x50/0x80 [ 84.862087][ T6097] do_handle_open+0x530/0x924 [ 84.862910][ T6097] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.863819][ T6097] invoke_syscall+0x98/0x2b0 [ 84.864586][ T6097] el0_svc_common+0x138/0x258 [ 84.865389][ T6097] do_el0_svc+0x58/0x13c [ 84.866113][ T6097] el0_svc+0x78/0x1d0 [ 84.866833][ T6097] el0t_64_sync_handler+0xcc/0xe4 [ 84.867726][ T6097] el0t_64_sync+0x1a0/0x1a4 [ 84.890420][ T6103] F2FS-fs (loop2): Found nat_bits in checkpoint [ 84.895096][ T6107] F2FS-fs (loop3): Found nat_bits in checkpoint [ 84.900531][ T6111] loop0: detected capacity change from 0 to 40427 [ 84.901871][ T6100] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.904018][ T6097] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.913526][ T6097] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.915087][ T6097] CPU: 0 PID: 6097 Comm: syz.1.99 Not tainted syzkaller #0 [ 84.916233][ T6097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.917158][ T6100] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.918025][ T6097] Call trace: [ 84.919931][ T6097] dump_backtrace+0x0/0x458 [ 84.920688][ T6097] show_stack+0x2c/0x3c [ 84.921367][ T6097] __dump_stack+0x30/0x40 [ 84.922147][ T6097] dump_stack_lvl+0xf4/0x15c [ 84.922900][ T6097] dump_stack+0x1c/0x5c [ 84.923631][ T6097] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.924453][ T6097] f2fs_iget+0x1b2c/0x5110 [ 84.925183][ T6097] f2fs_nfs_get_inode+0x80/0x118 [ 84.926116][ T6097] generic_fh_to_dentry+0x9c/0x104 [ 84.927067][ T6097] f2fs_fh_to_dentry+0x44/0x58 [ 84.927921][ T6097] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.928927][ T6097] exportfs_decode_fh+0x50/0x80 [ 84.929687][ T6107] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 84.929795][ T6097] do_handle_open+0x530/0x924 [ 84.931837][ T6097] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.932790][ T6097] invoke_syscall+0x98/0x2b0 [ 84.933564][ T6097] el0_svc_common+0x138/0x258 [ 84.934415][ T6097] do_el0_svc+0x58/0x13c [ 84.935126][ T6097] el0_svc+0x78/0x1d0 [ 84.935848][ T6097] el0t_64_sync_handler+0xcc/0xe4 [ 84.936659][ T6097] el0t_64_sync+0x1a0/0x1a4 [ 84.937992][ T6103] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 84.938139][ T6097] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 84.939669][ T6107] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.942214][ T6107] CPU: 1 PID: 6107 Comm: syz.3.101 Not tainted syzkaller #0 [ 84.943441][ T6107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.945056][ T6107] Call trace: [ 84.945606][ T6107] dump_backtrace+0x0/0x458 [ 84.946311][ T6107] show_stack+0x2c/0x3c [ 84.947107][ T6107] __dump_stack+0x30/0x40 [ 84.947900][ T6107] dump_stack_lvl+0xf4/0x15c [ 84.948723][ T6107] dump_stack+0x1c/0x5c [ 84.949471][ T6107] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.950348][ T6107] f2fs_iget+0x1b2c/0x5110 [ 84.951068][ T6107] f2fs_nfs_get_inode+0x80/0x118 [ 84.951899][ T6107] generic_fh_to_dentry+0x9c/0x104 [ 84.952737][ T6107] f2fs_fh_to_dentry+0x44/0x58 [ 84.953432][ T6107] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.954347][ T6107] exportfs_decode_fh+0x50/0x80 [ 84.955141][ T6107] do_handle_open+0x530/0x924 [ 84.955879][ T6107] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.956867][ T6107] invoke_syscall+0x98/0x2b0 [ 84.957598][ T6107] el0_svc_common+0x138/0x258 [ 84.958329][ T6107] do_el0_svc+0x58/0x13c [ 84.958974][ T6107] el0_svc+0x78/0x1d0 [ 84.959691][ T6107] el0t_64_sync_handler+0xcc/0xe4 [ 84.960478][ T6107] el0t_64_sync+0x1a0/0x1a4 [ 84.961272][ T6100] CPU: 0 PID: 6100 Comm: syz.4.98 Not tainted syzkaller #0 [ 84.962528][ T6100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.964189][ T6100] Call trace: [ 84.964788][ T6100] dump_backtrace+0x0/0x458 [ 84.965560][ T6100] show_stack+0x2c/0x3c [ 84.966215][ T6100] __dump_stack+0x30/0x40 [ 84.966982][ T6100] dump_stack_lvl+0xf4/0x15c [ 84.967770][ T6100] dump_stack+0x1c/0x5c [ 84.968503][ T6100] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.969367][ T6100] f2fs_iget+0x1b2c/0x5110 [ 84.970112][ T6100] f2fs_nfs_get_inode+0x80/0x118 [ 84.970914][ T6100] generic_fh_to_dentry+0x9c/0x104 [ 84.971796][ T6100] f2fs_fh_to_dentry+0x44/0x58 [ 84.972651][ T6100] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.973562][ T6100] exportfs_decode_fh+0x50/0x80 [ 84.974403][ T6100] do_handle_open+0x530/0x924 [ 84.975242][ T6100] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.976279][ T6100] invoke_syscall+0x98/0x2b0 [ 84.977048][ T6100] el0_svc_common+0x138/0x258 [ 84.977863][ T6100] do_el0_svc+0x58/0x13c [ 84.978558][ T6100] el0_svc+0x78/0x1d0 [ 84.979223][ T6100] el0t_64_sync_handler+0xcc/0xe4 [ 84.980088][ T6100] el0t_64_sync+0x1a0/0x1a4 [ 84.981745][ T6103] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 84.983106][ T6103] CPU: 1 PID: 6103 Comm: syz.2.100 Not tainted syzkaller #0 [ 84.984290][ T6103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.986062][ T6103] Call trace: [ 84.986600][ T6103] dump_backtrace+0x0/0x458 [ 84.987364][ T6103] show_stack+0x2c/0x3c [ 84.988040][ T6103] __dump_stack+0x30/0x40 [ 84.988707][ T6103] dump_stack_lvl+0xf4/0x15c [ 84.989407][ T6103] dump_stack+0x1c/0x5c [ 84.990061][ T6103] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 84.990902][ T6103] f2fs_iget+0x1b2c/0x5110 [ 84.991587][ T6103] f2fs_nfs_get_inode+0x80/0x118 [ 84.992425][ T6103] generic_fh_to_dentry+0x9c/0x104 [ 84.993208][ T6103] f2fs_fh_to_dentry+0x44/0x58 [ 84.994038][ T6103] exportfs_decode_fh_raw+0x13c/0x4e8 [ 84.994967][ T6103] exportfs_decode_fh+0x50/0x80 [ 84.995814][ T6103] do_handle_open+0x530/0x924 [ 84.996581][ T6103] __arm64_sys_open_by_handle_at+0x80/0x94 [ 84.997607][ T6103] invoke_syscall+0x98/0x2b0 [ 84.998427][ T6103] el0_svc_common+0x138/0x258 [ 84.999280][ T6103] do_el0_svc+0x58/0x13c [ 85.000020][ T6103] el0_svc+0x78/0x1d0 [ 85.000729][ T6103] el0t_64_sync_handler+0xcc/0xe4 [ 85.001609][ T6103] el0t_64_sync+0x1a0/0x1a4 [ 85.012890][ T6107] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.021521][ T6128] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.022866][ T6128] CPU: 0 PID: 6128 Comm: syz.3.101 Not tainted syzkaller #0 [ 85.024185][ T6128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.025929][ T6128] Call trace: [ 85.026487][ T6128] dump_backtrace+0x0/0x458 [ 85.027251][ T6128] show_stack+0x2c/0x3c [ 85.027928][ T6128] __dump_stack+0x30/0x40 [ 85.028084][ T6103] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.028682][ T6128] dump_stack_lvl+0xf4/0x15c [ 85.031413][ T6128] dump_stack+0x1c/0x5c [ 85.032101][ T6128] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.033010][ T6128] f2fs_iget+0x1b2c/0x5110 [ 85.033736][ T6128] f2fs_nfs_get_inode+0x80/0x118 [ 85.034565][ T6128] generic_fh_to_dentry+0x9c/0x104 [ 85.035470][ T6128] f2fs_fh_to_dentry+0x44/0x58 [ 85.036329][ T6128] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.037302][ T6128] exportfs_decode_fh+0x50/0x80 [ 85.038214][ T6128] do_handle_open+0x530/0x924 [ 85.038977][ T6128] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.039947][ T6128] invoke_syscall+0x98/0x2b0 [ 85.040741][ T6128] el0_svc_common+0x138/0x258 [ 85.041530][ T6128] do_el0_svc+0x58/0x13c [ 85.042262][ T6128] el0_svc+0x78/0x1d0 [ 85.042967][ T6128] el0t_64_sync_handler+0xcc/0xe4 [ 85.043858][ T6128] el0t_64_sync+0x1a0/0x1a4 [ 85.044378][ T6100] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.047398][ T6103] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.048785][ T6103] CPU: 1 PID: 6103 Comm: syz.2.100 Not tainted syzkaller #0 [ 85.050052][ T6103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.051794][ T6103] Call trace: [ 85.052293][ T6103] dump_backtrace+0x0/0x458 [ 85.053072][ T6103] show_stack+0x2c/0x3c [ 85.053768][ T6103] __dump_stack+0x30/0x40 [ 85.054520][ T6103] dump_stack_lvl+0xf4/0x15c [ 85.055328][ T6103] dump_stack+0x1c/0x5c [ 85.056042][ T6103] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.056975][ T6103] f2fs_iget+0x1b2c/0x5110 [ 85.057686][ T6103] f2fs_nfs_get_inode+0x80/0x118 [ 85.058569][ T6103] generic_fh_to_dentry+0x9c/0x104 [ 85.059461][ T6103] f2fs_fh_to_dentry+0x44/0x58 [ 85.060280][ T6103] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.061205][ T6103] exportfs_decode_fh+0x50/0x80 [ 85.062093][ T6103] do_handle_open+0x530/0x924 [ 85.062887][ T6103] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.063904][ T6103] invoke_syscall+0x98/0x2b0 [ 85.064751][ T6103] el0_svc_common+0x138/0x258 [ 85.065527][ T6103] do_el0_svc+0x58/0x13c [ 85.066279][ T6103] el0_svc+0x78/0x1d0 [ 85.066960][ T6103] el0t_64_sync_handler+0xcc/0xe4 [ 85.067847][ T6103] el0t_64_sync+0x1a0/0x1a4 [ 85.102641][ T6111] F2FS-fs (loop0): Found nat_bits in checkpoint [ 85.112931][ T6103] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.118145][ T6128] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.138440][ T6111] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 85.141693][ T6111] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.142955][ T6111] CPU: 0 PID: 6111 Comm: syz.0.102 Not tainted syzkaller #0 [ 85.144134][ T6111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.145924][ T6111] Call trace: [ 85.146472][ T6111] dump_backtrace+0x0/0x458 [ 85.147227][ T6111] show_stack+0x2c/0x3c [ 85.147861][ T6111] __dump_stack+0x30/0x40 [ 85.148609][ T6111] dump_stack_lvl+0xf4/0x15c [ 85.149419][ T6111] dump_stack+0x1c/0x5c [ 85.150115][ T6111] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.151022][ T6111] f2fs_iget+0x1b2c/0x5110 [ 85.151725][ T6111] f2fs_nfs_get_inode+0x80/0x118 [ 85.152544][ T6111] generic_fh_to_dentry+0x9c/0x104 [ 85.153472][ T6111] f2fs_fh_to_dentry+0x44/0x58 [ 85.154304][ T6111] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.155284][ T6111] exportfs_decode_fh+0x50/0x80 [ 85.156128][ T6111] do_handle_open+0x530/0x924 [ 85.156992][ T6111] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.157986][ T6111] invoke_syscall+0x98/0x2b0 [ 85.158733][ T6111] el0_svc_common+0x138/0x258 [ 85.159495][ T6111] do_el0_svc+0x58/0x13c [ 85.160282][ T6111] el0_svc+0x78/0x1d0 [ 85.160963][ T6111] el0t_64_sync_handler+0xcc/0xe4 [ 85.161826][ T6111] el0t_64_sync+0x1a0/0x1a4 [ 85.188688][ T6111] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.212723][ T6139] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.213960][ T6139] CPU: 0 PID: 6139 Comm: syz.0.102 Not tainted syzkaller #0 [ 85.215244][ T6139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.216986][ T6139] Call trace: [ 85.217520][ T6139] dump_backtrace+0x0/0x458 [ 85.218276][ T6139] show_stack+0x2c/0x3c [ 85.218960][ T6139] __dump_stack+0x30/0x40 [ 85.219605][ T6139] dump_stack_lvl+0xf4/0x15c [ 85.220313][ T6139] dump_stack+0x1c/0x5c [ 85.220985][ T6139] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.221875][ T6139] f2fs_iget+0x1b2c/0x5110 [ 85.222640][ T6139] f2fs_nfs_get_inode+0x80/0x118 [ 85.223537][ T6139] generic_fh_to_dentry+0x9c/0x104 [ 85.224393][ T6139] f2fs_fh_to_dentry+0x44/0x58 [ 85.225148][ T6139] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.226157][ T6139] exportfs_decode_fh+0x50/0x80 [ 85.226984][ T6139] do_handle_open+0x530/0x924 [ 85.227804][ T6139] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.228758][ T6139] invoke_syscall+0x98/0x2b0 [ 85.229579][ T6139] el0_svc_common+0x138/0x258 [ 85.230369][ T6139] do_el0_svc+0x58/0x13c [ 85.231064][ T6139] el0_svc+0x78/0x1d0 [ 85.231760][ T6139] el0t_64_sync_handler+0xcc/0xe4 [ 85.232576][ T6139] el0t_64_sync+0x1a0/0x1a4 [ 85.262538][ T6139] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.347554][ T6131] loop1: detected capacity change from 0 to 40427 [ 85.405033][ T6131] F2FS-fs (loop1): Found nat_bits in checkpoint [ 85.425926][ T6131] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 85.428412][ T6131] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.429631][ T6131] CPU: 0 PID: 6131 Comm: syz.1.103 Not tainted syzkaller #0 [ 85.430782][ T6131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.432505][ T6131] Call trace: [ 85.432998][ T6131] dump_backtrace+0x0/0x458 [ 85.433743][ T6131] show_stack+0x2c/0x3c [ 85.434449][ T6131] __dump_stack+0x30/0x40 [ 85.435132][ T6131] dump_stack_lvl+0xf4/0x15c [ 85.435927][ T6131] dump_stack+0x1c/0x5c [ 85.436618][ T6131] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.437557][ T6131] f2fs_iget+0x1b2c/0x5110 [ 85.438338][ T6131] f2fs_nfs_get_inode+0x80/0x118 [ 85.439181][ T6131] generic_fh_to_dentry+0x9c/0x104 [ 85.440019][ T6131] f2fs_fh_to_dentry+0x44/0x58 [ 85.440914][ T6131] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.441852][ T6131] exportfs_decode_fh+0x50/0x80 [ 85.442688][ T6131] do_handle_open+0x530/0x924 [ 85.443510][ T6131] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.444550][ T6131] invoke_syscall+0x98/0x2b0 [ 85.445344][ T6131] el0_svc_common+0x138/0x258 [ 85.446059][ T6131] do_el0_svc+0x58/0x13c [ 85.446789][ T6131] el0_svc+0x78/0x1d0 [ 85.447458][ T6131] el0t_64_sync_handler+0xcc/0xe4 [ 85.448334][ T6135] loop4: detected capacity change from 0 to 40427 [ 85.448338][ T6131] el0t_64_sync+0x1a0/0x1a4 [ 85.514593][ T6131] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.516952][ T6149] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.518421][ T6149] CPU: 0 PID: 6149 Comm: syz.1.103 Not tainted syzkaller #0 [ 85.519605][ T6149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.521349][ T6149] Call trace: [ 85.521874][ T6149] dump_backtrace+0x0/0x458 [ 85.522636][ T6149] show_stack+0x2c/0x3c [ 85.523306][ T6149] __dump_stack+0x30/0x40 [ 85.524017][ T6149] dump_stack_lvl+0xf4/0x15c [ 85.524841][ T6149] dump_stack+0x1c/0x5c [ 85.525568][ T6149] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.526504][ T6149] f2fs_iget+0x1b2c/0x5110 [ 85.527315][ T6149] f2fs_nfs_get_inode+0x80/0x118 [ 85.528188][ T6149] generic_fh_to_dentry+0x9c/0x104 [ 85.529068][ T6149] f2fs_fh_to_dentry+0x44/0x58 [ 85.529873][ T6149] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.530764][ T6149] exportfs_decode_fh+0x50/0x80 [ 85.531613][ T6149] do_handle_open+0x530/0x924 [ 85.532379][ T6149] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.533430][ T6149] invoke_syscall+0x98/0x2b0 [ 85.534199][ T6149] el0_svc_common+0x138/0x258 [ 85.534982][ T6149] do_el0_svc+0x58/0x13c [ 85.535717][ T6149] el0_svc+0x78/0x1d0 [ 85.536424][ T6149] el0t_64_sync_handler+0xcc/0xe4 [ 85.537335][ T6149] el0t_64_sync+0x1a0/0x1a4 [ 85.557849][ T6135] F2FS-fs (loop4): Found nat_bits in checkpoint [ 85.584609][ T6149] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.594397][ T6135] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 85.597017][ T6135] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.598306][ T6135] CPU: 1 PID: 6135 Comm: syz.4.104 Not tainted syzkaller #0 [ 85.599518][ T6135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.601352][ T6135] Call trace: [ 85.601906][ T6135] dump_backtrace+0x0/0x458 [ 85.602637][ T6135] show_stack+0x2c/0x3c [ 85.603443][ T6135] __dump_stack+0x30/0x40 [ 85.604156][ T6135] dump_stack_lvl+0xf4/0x15c [ 85.604990][ T6135] dump_stack+0x1c/0x5c [ 85.605729][ T6135] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.606737][ T6135] f2fs_iget+0x1b2c/0x5110 [ 85.607519][ T6135] f2fs_nfs_get_inode+0x80/0x118 [ 85.608438][ T6135] generic_fh_to_dentry+0x9c/0x104 [ 85.609341][ T6135] f2fs_fh_to_dentry+0x44/0x58 [ 85.610152][ T6135] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.611102][ T6135] exportfs_decode_fh+0x50/0x80 [ 85.611988][ T6135] do_handle_open+0x530/0x924 [ 85.612801][ T6135] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.613898][ T6135] invoke_syscall+0x98/0x2b0 [ 85.614702][ T6135] el0_svc_common+0x138/0x258 [ 85.615504][ T6135] do_el0_svc+0x58/0x13c [ 85.616251][ T6135] el0_svc+0x78/0x1d0 [ 85.616971][ T6135] el0t_64_sync_handler+0xcc/0xe4 [ 85.617852][ T6135] el0t_64_sync+0x1a0/0x1a4 [ 85.666655][ T6138] loop3: detected capacity change from 0 to 40427 [ 85.668392][ T6135] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.677811][ T6143] loop0: detected capacity change from 0 to 40427 [ 85.679899][ T6155] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.681273][ T6155] CPU: 1 PID: 6155 Comm: syz.4.104 Not tainted syzkaller #0 [ 85.682412][ T6155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.683968][ T6155] Call trace: [ 85.684517][ T6155] dump_backtrace+0x0/0x458 [ 85.685278][ T6155] show_stack+0x2c/0x3c [ 85.686020][ T6155] __dump_stack+0x30/0x40 [ 85.686738][ T6155] dump_stack_lvl+0xf4/0x15c [ 85.687534][ T6155] dump_stack+0x1c/0x5c [ 85.688269][ T6155] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.689188][ T6155] f2fs_iget+0x1b2c/0x5110 [ 85.689939][ T6155] f2fs_nfs_get_inode+0x80/0x118 [ 85.690784][ T6155] generic_fh_to_dentry+0x9c/0x104 [ 85.691700][ T6155] f2fs_fh_to_dentry+0x44/0x58 [ 85.692549][ T6155] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.693489][ T6155] exportfs_decode_fh+0x50/0x80 [ 85.694359][ T6155] do_handle_open+0x530/0x924 [ 85.695183][ T6155] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.696151][ T6155] invoke_syscall+0x98/0x2b0 [ 85.696992][ T6155] el0_svc_common+0x138/0x258 [ 85.697759][ T6155] do_el0_svc+0x58/0x13c [ 85.698519][ T6155] el0_svc+0x78/0x1d0 [ 85.699174][ T6155] el0t_64_sync_handler+0xcc/0xe4 [ 85.699992][ T6155] el0t_64_sync+0x1a0/0x1a4 [ 85.721960][ T6155] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.745295][ T6141] F2FS-fs (loop2): Found nat_bits in checkpoint [ 85.745304][ T6138] F2FS-fs (loop3): Found nat_bits in checkpoint [ 85.752603][ T6143] F2FS-fs (loop0): Found nat_bits in checkpoint [ 85.761676][ T6138] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 85.764010][ T6138] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.767160][ T6141] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 85.771172][ T6141] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.771287][ T6143] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 85.777334][ T6138] CPU: 0 PID: 6138 Comm: syz.3.106 Not tainted syzkaller #0 [ 85.778392][ T6138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.779992][ T6138] Call trace: [ 85.780494][ T6138] dump_backtrace+0x0/0x458 [ 85.781231][ T6138] show_stack+0x2c/0x3c [ 85.781965][ T6138] __dump_stack+0x30/0x40 [ 85.782697][ T6138] dump_stack_lvl+0xf4/0x15c [ 85.783497][ T6138] dump_stack+0x1c/0x5c [ 85.784253][ T6138] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.785186][ T6138] f2fs_iget+0x1b2c/0x5110 [ 85.785974][ T6138] f2fs_nfs_get_inode+0x80/0x118 [ 85.786844][ T6138] generic_fh_to_dentry+0x9c/0x104 [ 85.787704][ T6138] f2fs_fh_to_dentry+0x44/0x58 [ 85.788498][ T6138] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.789327][ T6138] exportfs_decode_fh+0x50/0x80 [ 85.790197][ T6138] do_handle_open+0x530/0x924 [ 85.791015][ T6138] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.792077][ T6138] invoke_syscall+0x98/0x2b0 [ 85.792873][ T6138] el0_svc_common+0x138/0x258 [ 85.793611][ T6138] do_el0_svc+0x58/0x13c [ 85.794409][ T6138] el0_svc+0x78/0x1d0 [ 85.795088][ T6138] el0t_64_sync_handler+0xcc/0xe4 [ 85.795889][ T6138] el0t_64_sync+0x1a0/0x1a4 [ 85.803129][ T6143] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.804457][ T6143] CPU: 1 PID: 6143 Comm: syz.0.107 Not tainted syzkaller #0 [ 85.805717][ T6143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.807389][ T6143] Call trace: [ 85.807985][ T6143] dump_backtrace+0x0/0x458 [ 85.808740][ T6143] show_stack+0x2c/0x3c [ 85.809443][ T6143] __dump_stack+0x30/0x40 [ 85.810177][ T6143] dump_stack_lvl+0xf4/0x15c [ 85.810994][ T6143] dump_stack+0x1c/0x5c [ 85.811759][ T6143] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.812654][ T6143] f2fs_iget+0x1b2c/0x5110 [ 85.813344][ T6143] f2fs_nfs_get_inode+0x80/0x118 [ 85.814135][ T6143] generic_fh_to_dentry+0x9c/0x104 [ 85.815048][ T6143] f2fs_fh_to_dentry+0x44/0x58 [ 85.815890][ T6143] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.816761][ T6143] exportfs_decode_fh+0x50/0x80 [ 85.817576][ T6143] do_handle_open+0x530/0x924 [ 85.818385][ T6143] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.819361][ T6143] invoke_syscall+0x98/0x2b0 [ 85.820185][ T6143] el0_svc_common+0x138/0x258 [ 85.820998][ T6143] do_el0_svc+0x58/0x13c [ 85.821742][ T6143] el0_svc+0x78/0x1d0 [ 85.822464][ T6143] el0t_64_sync_handler+0xcc/0xe4 [ 85.823323][ T6143] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:25 executed programs: 103 [ 85.830304][ T6141] CPU: 0 PID: 6141 Comm: syz.2.105 Not tainted syzkaller #0 [ 85.831561][ T6141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.833306][ T6141] Call trace: [ 85.833811][ T6141] dump_backtrace+0x0/0x458 [ 85.834578][ T6141] show_stack+0x2c/0x3c [ 85.835309][ T6141] __dump_stack+0x30/0x40 [ 85.836084][ T6141] dump_stack_lvl+0xf4/0x15c [ 85.836886][ T6141] dump_stack+0x1c/0x5c [ 85.837609][ T6141] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.838473][ T6141] f2fs_iget+0x1b2c/0x5110 [ 85.839200][ T6141] f2fs_nfs_get_inode+0x80/0x118 [ 85.839996][ T6141] generic_fh_to_dentry+0x9c/0x104 [ 85.840927][ T6141] f2fs_fh_to_dentry+0x44/0x58 [ 85.841743][ T6141] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.842615][ T6141] exportfs_decode_fh+0x50/0x80 [ 85.843439][ T6141] do_handle_open+0x530/0x924 [ 85.844328][ T6141] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.845348][ T6141] invoke_syscall+0x98/0x2b0 [ 85.846110][ T6141] el0_svc_common+0x138/0x258 [ 85.846970][ T6141] do_el0_svc+0x58/0x13c [ 85.847718][ T6141] el0_svc+0x78/0x1d0 [ 85.848374][ T6141] el0t_64_sync_handler+0xcc/0xe4 [ 85.849219][ T6141] el0t_64_sync+0x1a0/0x1a4 [ 85.851636][ T6143] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.855118][ T6169] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.856397][ T6169] CPU: 0 PID: 6169 Comm: syz.0.107 Not tainted syzkaller #0 [ 85.857598][ T6169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.859216][ T6169] Call trace: [ 85.859772][ T6169] dump_backtrace+0x0/0x458 [ 85.860507][ T6169] show_stack+0x2c/0x3c [ 85.861226][ T6169] __dump_stack+0x30/0x40 [ 85.861970][ T6169] dump_stack_lvl+0xf4/0x15c [ 85.862730][ T6169] dump_stack+0x1c/0x5c [ 85.863430][ T6169] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.864307][ T6169] f2fs_iget+0x1b2c/0x5110 [ 85.865106][ T6169] f2fs_nfs_get_inode+0x80/0x118 [ 85.865942][ T6169] generic_fh_to_dentry+0x9c/0x104 [ 85.866861][ T6169] f2fs_fh_to_dentry+0x44/0x58 [ 85.867705][ T6169] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.868670][ T6169] exportfs_decode_fh+0x50/0x80 [ 85.869527][ T6169] do_handle_open+0x530/0x924 [ 85.870309][ T6169] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.871253][ T6169] invoke_syscall+0x98/0x2b0 [ 85.872068][ T6169] el0_svc_common+0x138/0x258 [ 85.872856][ T6169] do_el0_svc+0x58/0x13c [ 85.873587][ T6169] el0_svc+0x78/0x1d0 [ 85.874129][ T6138] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.874265][ T6169] el0t_64_sync_handler+0xcc/0xe4 [ 85.876418][ T6170] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.877204][ T6169] el0t_64_sync+0x1a0/0x1a4 [ 85.879276][ T6170] CPU: 1 PID: 6170 Comm: syz.3.106 Not tainted syzkaller #0 [ 85.880590][ T6170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.882374][ T6170] Call trace: [ 85.882946][ T6170] dump_backtrace+0x0/0x458 [ 85.883716][ T6170] show_stack+0x2c/0x3c [ 85.884461][ T6170] __dump_stack+0x30/0x40 [ 85.885216][ T6170] dump_stack_lvl+0xf4/0x15c [ 85.886015][ T6170] dump_stack+0x1c/0x5c [ 85.886777][ T6170] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.887784][ T6170] f2fs_iget+0x1b2c/0x5110 [ 85.888536][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 85.889447][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 85.890276][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 85.891097][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.891987][ T6170] exportfs_decode_fh+0x50/0x80 [ 85.892760][ T6170] do_handle_open+0x530/0x924 [ 85.893554][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.894579][ T6170] invoke_syscall+0x98/0x2b0 [ 85.895339][ T6170] el0_svc_common+0x138/0x258 [ 85.896227][ T6170] do_el0_svc+0x58/0x13c [ 85.896934][ T6170] el0_svc+0x78/0x1d0 [ 85.897595][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 85.898458][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 85.931467][ T6170] ================================================================== [ 85.932922][ T6170] BUG: KASAN: use-after-free in f2fs_iget+0x4224/0x5110 [ 85.934089][ T6170] Read of size 4 at addr ffff0000dca84280 by task syz.3.106/6170 [ 85.935442][ T6170] [ 85.935844][ T6170] CPU: 1 PID: 6170 Comm: syz.3.106 Not tainted syzkaller #0 [ 85.937098][ T6170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.938959][ T6170] Call trace: [ 85.939527][ T6170] dump_backtrace+0x0/0x458 [ 85.940331][ T6170] show_stack+0x2c/0x3c [ 85.941018][ T6170] __dump_stack+0x30/0x40 [ 85.941754][ T6170] dump_stack_lvl+0xf4/0x15c [ 85.942473][ T6170] print_address_description+0x78/0x30c [ 85.943521][ T6170] kasan_report+0xec/0x158 [ 85.944298][ T6170] __asan_report_load4_noabort+0x44/0x50 [ 85.945282][ T6170] f2fs_iget+0x4224/0x5110 [ 85.946030][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 85.946911][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 85.947825][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 85.948683][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.949653][ T6170] exportfs_decode_fh+0x50/0x80 [ 85.950509][ T6170] do_handle_open+0x530/0x924 [ 85.950506][ T6141] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.950848][ T6169] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 85.951279][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.953786][ T6168] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 85.955310][ T6170] invoke_syscall+0x98/0x2b0 [ 85.955328][ T6170] el0_svc_common+0x138/0x258 [ 85.955335][ T6170] do_el0_svc+0x58/0x13c [ 85.959826][ T6170] el0_svc+0x78/0x1d0 [ 85.960543][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 85.961431][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 85.962189][ T6170] [ 85.962192][ T6168] CPU: 0 PID: 6168 Comm: syz.2.105 Not tainted syzkaller #0 [ 85.962592][ T6170] Allocated by task 6138: [ 85.963843][ T6168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.964588][ T6170] __kasan_slab_alloc+0x8c/0xcc [ 85.966391][ T6168] Call trace: [ 85.967227][ T6170] slab_post_alloc_hook+0x74/0x3f8 [ 85.967767][ T6168] dump_backtrace+0x0/0x458 [ 85.968600][ T6170] kmem_cache_alloc+0x1d8/0x3d4 [ 85.969351][ T6168] show_stack+0x2c/0x3c [ 85.970111][ T6170] f2fs_init_extent_tree+0x43c/0xa94 [ 85.970803][ T6168] __dump_stack+0x30/0x40 [ 85.971713][ T6170] f2fs_iget+0x10c0/0x5110 [ 85.972414][ T6168] dump_stack_lvl+0xf4/0x15c [ 85.973094][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 85.973854][ T6168] dump_stack+0x1c/0x5c [ 85.974655][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 85.975391][ T6168] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 85.976231][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 85.977073][ T6168] f2fs_iget+0x1b2c/0x5110 [ 85.977877][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.978607][ T6168] f2fs_nfs_get_inode+0x80/0x118 [ 85.979510][ T6170] exportfs_decode_fh+0x50/0x80 [ 85.980376][ T6168] generic_fh_to_dentry+0x9c/0x104 [ 85.981214][ T6170] do_handle_open+0x530/0x924 [ 85.982089][ T6168] f2fs_fh_to_dentry+0x44/0x58 [ 85.982847][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.983613][ T6168] exportfs_decode_fh_raw+0x13c/0x4e8 [ 85.984624][ T6170] invoke_syscall+0x98/0x2b0 [ 85.985481][ T6168] exportfs_decode_fh+0x50/0x80 [ 85.986258][ T6170] el0_svc_common+0x138/0x258 [ 85.987122][ T6168] do_handle_open+0x530/0x924 [ 85.987902][ T6170] do_el0_svc+0x58/0x13c [ 85.988631][ T6168] __arm64_sys_open_by_handle_at+0x80/0x94 [ 85.989311][ T6170] el0_svc+0x78/0x1d0 [ 85.990235][ T6168] invoke_syscall+0x98/0x2b0 [ 85.990922][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 85.991644][ T6168] el0_svc_common+0x138/0x258 [ 85.992518][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 85.993212][ T6168] do_el0_svc+0x58/0x13c [ 85.993943][ T6170] [ 85.994614][ T6168] el0_svc+0x78/0x1d0 [ 85.995006][ T6170] Freed by task 6138: [ 85.995635][ T6168] el0t_64_sync_handler+0xcc/0xe4 [ 85.996269][ T6170] kasan_set_track+0x4c/0x84 [ 85.997033][ T6168] el0t_64_sync+0x1a0/0x1a4 [ 85.997811][ T6170] kasan_set_free_info+0x28/0x4c [ 85.999358][ T6170] ____kasan_slab_free+0x118/0x164 [ 86.000322][ T6170] __kasan_slab_free+0x18/0x28 [ 86.001137][ T6170] slab_free_freelist_hook+0x128/0x1e4 [ 86.002045][ T6170] kmem_cache_free+0xdc/0x3b0 [ 86.002836][ T6170] f2fs_destroy_extent_tree+0x2d0/0x674 [ 86.003769][ T6170] f2fs_evict_inode+0x32c/0x1538 [ 86.004672][ T6170] evict+0x3e0/0x828 [ 86.005342][ T6170] iput+0x6ac/0x764 [ 86.005995][ T6170] iget_failed+0x148/0x194 [ 86.006765][ T6170] f2fs_iget+0x58c/0x5110 [ 86.007526][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 86.008392][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 86.009238][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 86.010052][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.010962][ T6170] exportfs_decode_fh+0x50/0x80 [ 86.011806][ T6170] do_handle_open+0x530/0x924 [ 86.012572][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.013560][ T6170] invoke_syscall+0x98/0x2b0 [ 86.014341][ T6170] el0_svc_common+0x138/0x258 [ 86.015116][ T6170] do_el0_svc+0x58/0x13c [ 86.015845][ T6170] el0_svc+0x78/0x1d0 [ 86.016517][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 86.017418][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 86.018100][ T6170] [ 86.018499][ T6170] The buggy address belongs to the object at ffff0000dca84258 [ 86.018499][ T6170] which belongs to the cache f2fs_extent_tree of size 136 [ 86.021040][ T6170] The buggy address is located 40 bytes inside of [ 86.021040][ T6170] 136-byte region [ffff0000dca84258, ffff0000dca842e0) [ 86.023362][ T6170] The buggy address belongs to the page: [ 86.024388][ T6170] page:000000007a93739b refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000dca84e10 pfn:0x11ca84 [ 86.026397][ T6170] flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) [ 86.027782][ T6170] raw: 05ffc00000000200 0000000000000000 0000000100000001 ffff0000c690cd80 [ 86.029319][ T6170] raw: ffff0000dca84e10 0000000080140010 00000001ffffffff 0000000000000000 [ 86.030870][ T6170] page dumped because: kasan: bad access detected [ 86.031936][ T6170] [ 86.032338][ T6170] Memory state around the buggy address: [ 86.033314][ T6170] ffff0000dca84180: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb [ 86.034642][ T6170] ffff0000dca84200: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb [ 86.036034][ T6170] >ffff0000dca84280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 86.037406][ T6170] ^ [ 86.038068][ T6170] ffff0000dca84300: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb [ 86.039452][ T6170] ffff0000dca84380: fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb fb [ 86.040832][ T6170] ================================================================== [ 86.042244][ T6170] Disabling lock debugging due to kernel taint [ 86.094220][ T6168] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.244090][ T6170] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.246441][ T6170] ================================================================== [ 86.247816][ T6170] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0xdc/0x3b0 [ 86.249188][ T6170] [ 86.249554][ T6170] CPU: 1 PID: 6170 Comm: syz.3.106 Tainted: G B syzkaller #0 [ 86.251042][ T6170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.252868][ T6170] Call trace: [ 86.253415][ T6170] dump_backtrace+0x0/0x458 [ 86.254155][ T6170] show_stack+0x2c/0x3c [ 86.254939][ T6170] __dump_stack+0x30/0x40 [ 86.255718][ T6170] dump_stack_lvl+0xf4/0x15c [ 86.256504][ T6170] print_address_description+0x78/0x30c [ 86.257492][ T6170] kasan_report_invalid_free+0x4c/0x7c [ 86.258408][ T6170] ____kasan_slab_free+0x134/0x164 [ 86.259322][ T6170] __kasan_slab_free+0x18/0x28 [ 86.260108][ T6170] slab_free_freelist_hook+0x128/0x1e4 [ 86.261104][ T6170] kmem_cache_free+0xdc/0x3b0 [ 86.261940][ T6170] f2fs_destroy_extent_tree+0x2d0/0x674 [ 86.262922][ T6170] f2fs_evict_inode+0x32c/0x1538 [ 86.263798][ T6170] evict+0x3e0/0x828 [ 86.264472][ T6170] iput+0x6ac/0x764 [ 86.265072][ T6170] iget_failed+0x148/0x194 [ 86.265856][ T6170] f2fs_iget+0x58c/0x5110 [ 86.266546][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 86.267418][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 86.268314][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 86.269144][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.270060][ T6170] exportfs_decode_fh+0x50/0x80 [ 86.270852][ T6170] do_handle_open+0x530/0x924 [ 86.271683][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.272674][ T6170] invoke_syscall+0x98/0x2b0 [ 86.273502][ T6170] el0_svc_common+0x138/0x258 [ 86.274383][ T6170] do_el0_svc+0x58/0x13c [ 86.275043][ T6170] el0_svc+0x78/0x1d0 [ 86.275722][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 86.276522][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 86.277272][ T6170] [ 86.277625][ T6170] Allocated by task 6138: [ 86.278293][ T6170] __kasan_slab_alloc+0x8c/0xcc [ 86.279052][ T6170] slab_post_alloc_hook+0x74/0x3f8 [ 86.279925][ T6170] kmem_cache_alloc+0x1d8/0x3d4 [ 86.280800][ T6170] f2fs_init_extent_tree+0x43c/0xa94 [ 86.281714][ T6170] f2fs_iget+0x10c0/0x5110 [ 86.282471][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 86.283311][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 86.284214][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 86.285052][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.286014][ T6170] exportfs_decode_fh+0x50/0x80 [ 86.286870][ T6170] do_handle_open+0x530/0x924 [ 86.287675][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.288723][ T6170] invoke_syscall+0x98/0x2b0 [ 86.289560][ T6170] el0_svc_common+0x138/0x258 [ 86.290333][ T6170] do_el0_svc+0x58/0x13c [ 86.291062][ T6170] el0_svc+0x78/0x1d0 [ 86.291710][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 86.292571][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 86.293326][ T6170] [ 86.293724][ T6170] Freed by task 6138: [ 86.294412][ T6170] kasan_set_track+0x4c/0x84 [ 86.295153][ T6170] kasan_set_free_info+0x28/0x4c [ 86.295974][ T6170] ____kasan_slab_free+0x118/0x164 [ 86.296779][ T6170] __kasan_slab_free+0x18/0x28 [ 86.297651][ T6170] slab_free_freelist_hook+0x128/0x1e4 [ 86.298631][ T6170] kmem_cache_free+0xdc/0x3b0 [ 86.299419][ T6170] f2fs_destroy_extent_tree+0x2d0/0x674 [ 86.300369][ T6170] f2fs_evict_inode+0x32c/0x1538 [ 86.301222][ T6170] evict+0x3e0/0x828 [ 86.301909][ T6170] iput+0x6ac/0x764 [ 86.302647][ T6170] iget_failed+0x148/0x194 [ 86.303390][ T6170] f2fs_iget+0x58c/0x5110 [ 86.304087][ T6170] f2fs_nfs_get_inode+0x80/0x118 [ 86.304944][ T6170] generic_fh_to_dentry+0x9c/0x104 [ 86.305883][ T6170] f2fs_fh_to_dentry+0x44/0x58 [ 86.306714][ T6170] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.307641][ T6170] exportfs_decode_fh+0x50/0x80 [ 86.308446][ T6170] do_handle_open+0x530/0x924 [ 86.309237][ T6170] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.310234][ T6170] invoke_syscall+0x98/0x2b0 [ 86.310984][ T6170] el0_svc_common+0x138/0x258 [ 86.311824][ T6170] do_el0_svc+0x58/0x13c [ 86.312570][ T6170] el0_svc+0x78/0x1d0 [ 86.313296][ T6170] el0t_64_sync_handler+0xcc/0xe4 [ 86.314189][ T6170] el0t_64_sync+0x1a0/0x1a4 [ 86.314958][ T6170] [ 86.315345][ T6170] The buggy address belongs to the object at ffff0000dca84258 [ 86.315345][ T6170] which belongs to the cache f2fs_extent_tree of size 136 [ 86.317964][ T6170] The buggy address is located 0 bytes inside of [ 86.317964][ T6170] 136-byte region [ffff0000dca84258, ffff0000dca842e0) [ 86.320312][ T6170] The buggy address belongs to the page: [ 86.321308][ T6170] page:000000007a93739b refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000dca84e10 pfn:0x11ca84 [ 86.323402][ T6170] flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) [ 86.324779][ T6170] raw: 05ffc00000000200 0000000000000000 0000000100000001 ffff0000c690cd80 [ 86.326282][ T6170] raw: ffff0000dca84e10 0000000080140010 00000001ffffffff 0000000000000000 [ 86.327759][ T6170] page dumped because: kasan: bad access detected [ 86.328889][ T6170] [ 86.329281][ T6170] Memory state around the buggy address: [ 86.330233][ T6170] ffff0000dca84100: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc [ 86.331567][ T6170] ffff0000dca84180: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb [ 86.332962][ T6170] >ffff0000dca84200: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb [ 86.334329][ T6170] ^ [ 86.335454][ T6170] ffff0000dca84280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 86.336866][ T6170] ffff0000dca84300: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb [ 86.338254][ T6170] ================================================================== [ 86.411492][ T6178] F2FS-fs (loop2): Found nat_bits in checkpoint [ 86.415693][ T6172] F2FS-fs (loop4): Found nat_bits in checkpoint [ 86.420545][ T6174] F2FS-fs (loop1): Found nat_bits in checkpoint [ 86.434763][ T6172] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 86.436592][ T6172] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.437818][ T6172] CPU: 0 PID: 6172 Comm: syz.4.109 Tainted: G B syzkaller #0 [ 86.439235][ T6172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.440858][ T6172] Call trace: [ 86.441416][ T6172] dump_backtrace+0x0/0x458 [ 86.442115][ T6172] show_stack+0x2c/0x3c [ 86.442822][ T6172] __dump_stack+0x30/0x40 [ 86.443599][ T6172] dump_stack_lvl+0xf4/0x15c [ 86.444347][ T6172] dump_stack+0x1c/0x5c [ 86.444994][ T6172] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.445854][ T6172] f2fs_iget+0x1b2c/0x5110 [ 86.446663][ T6172] f2fs_nfs_get_inode+0x80/0x118 [ 86.447469][ T6172] generic_fh_to_dentry+0x9c/0x104 [ 86.448345][ T6172] f2fs_fh_to_dentry+0x44/0x58 [ 86.449099][ T6172] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.450001][ T6172] exportfs_decode_fh+0x50/0x80 [ 86.450796][ T6172] do_handle_open+0x530/0x924 [ 86.451585][ T6172] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.452547][ T6172] invoke_syscall+0x98/0x2b0 [ 86.453337][ T6172] el0_svc_common+0x138/0x258 [ 86.454139][ T6172] do_el0_svc+0x58/0x13c [ 86.454934][ T6172] el0_svc+0x78/0x1d0 [ 86.455565][ T6172] el0t_64_sync_handler+0xcc/0xe4 [ 86.456386][ T6172] el0t_64_sync+0x1a0/0x1a4 [ 86.460392][ T6178] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 86.462214][ T6174] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 86.463894][ T6178] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.466188][ T6178] CPU: 0 PID: 6178 Comm: syz.2.112 Tainted: G B syzkaller #0 [ 86.467615][ T6178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.469335][ T6178] Call trace: [ 86.469862][ T6178] dump_backtrace+0x0/0x458 [ 86.470600][ T6178] show_stack+0x2c/0x3c [ 86.471256][ T6178] __dump_stack+0x30/0x40 [ 86.471940][ T6178] dump_stack_lvl+0xf4/0x15c [ 86.472740][ T6178] dump_stack+0x1c/0x5c [ 86.473417][ T6178] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.474322][ T6178] f2fs_iget+0x1b2c/0x5110 [ 86.475055][ T6178] f2fs_nfs_get_inode+0x80/0x118 [ 86.475912][ T6178] generic_fh_to_dentry+0x9c/0x104 [ 86.476759][ T6178] f2fs_fh_to_dentry+0x44/0x58 [ 86.477581][ T6178] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.478516][ T6178] exportfs_decode_fh+0x50/0x80 [ 86.479316][ T6178] do_handle_open+0x530/0x924 [ 86.480063][ T6178] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.481053][ T6178] invoke_syscall+0x98/0x2b0 [ 86.481873][ T6178] el0_svc_common+0x138/0x258 [ 86.482671][ T6178] do_el0_svc+0x58/0x13c [ 86.483426][ T6178] el0_svc+0x78/0x1d0 [ 86.484121][ T6178] el0t_64_sync_handler+0xcc/0xe4 [ 86.485016][ T6178] el0t_64_sync+0x1a0/0x1a4 [ 86.489031][ T6174] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.494264][ T6174] CPU: 0 PID: 6174 Comm: syz.1.111 Tainted: G B syzkaller #0 [ 86.495668][ T6174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.497339][ T6174] Call trace: [ 86.497905][ T6174] dump_backtrace+0x0/0x458 [ 86.498691][ T6174] show_stack+0x2c/0x3c [ 86.499391][ T6174] __dump_stack+0x30/0x40 [ 86.500189][ T6174] dump_stack_lvl+0xf4/0x15c [ 86.500947][ T6174] dump_stack+0x1c/0x5c [ 86.501650][ T6174] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.502544][ T6174] f2fs_iget+0x1b2c/0x5110 [ 86.503299][ T6174] f2fs_nfs_get_inode+0x80/0x118 [ 86.504131][ T6174] generic_fh_to_dentry+0x9c/0x104 [ 86.504993][ T6174] f2fs_fh_to_dentry+0x44/0x58 [ 86.505807][ T6174] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.506707][ T6174] exportfs_decode_fh+0x50/0x80 [ 86.507559][ T6174] do_handle_open+0x530/0x924 [ 86.508432][ T6174] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.509427][ T6174] invoke_syscall+0x98/0x2b0 [ 86.510168][ T6174] el0_svc_common+0x138/0x258 [ 86.510965][ T6174] do_el0_svc+0x58/0x13c [ 86.511696][ T6174] el0_svc+0x78/0x1d0 [ 86.512368][ T6174] el0t_64_sync_handler+0xcc/0xe4 [ 86.513185][ T6174] el0t_64_sync+0x1a0/0x1a4 [ 86.516578][ T6178] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.518814][ T6172] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.520830][ T6196] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.522235][ T6196] CPU: 0 PID: 6196 Comm: syz.2.112 Tainted: G B syzkaller #0 [ 86.523640][ T6196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.525303][ T6196] Call trace: [ 86.525845][ T6196] dump_backtrace+0x0/0x458 [ 86.526640][ T6196] show_stack+0x2c/0x3c [ 86.527337][ T6196] __dump_stack+0x30/0x40 [ 86.528101][ T6196] dump_stack_lvl+0xf4/0x15c [ 86.528910][ T6196] dump_stack+0x1c/0x5c [ 86.529605][ T6196] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.530514][ T6196] f2fs_iget+0x1b2c/0x5110 [ 86.531241][ T6196] f2fs_nfs_get_inode+0x80/0x118 [ 86.532056][ T6196] generic_fh_to_dentry+0x9c/0x104 [ 86.532919][ T6196] f2fs_fh_to_dentry+0x44/0x58 [ 86.533755][ T6196] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.534612][ T6196] exportfs_decode_fh+0x50/0x80 [ 86.535433][ T6196] do_handle_open+0x530/0x924 [ 86.536166][ T6196] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.537059][ T6196] invoke_syscall+0x98/0x2b0 [ 86.537825][ T6196] el0_svc_common+0x138/0x258 [ 86.538600][ T6196] do_el0_svc+0x58/0x13c [ 86.539353][ T6196] el0_svc+0x78/0x1d0 [ 86.539995][ T6196] el0t_64_sync_handler+0xcc/0xe4 [ 86.540853][ T6196] el0t_64_sync+0x1a0/0x1a4 [ 86.543097][ T6176] F2FS-fs (loop0): Found nat_bits in checkpoint [ 86.548524][ T6174] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.550596][ T6198] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.551414][ T6197] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.551839][ T6198] CPU: 1 PID: 6198 Comm: syz.1.111 Tainted: G B syzkaller #0 [ 86.554552][ T6198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.556266][ T6198] Call trace: [ 86.556845][ T6198] dump_backtrace+0x0/0x458 [ 86.557602][ T6198] show_stack+0x2c/0x3c [ 86.558321][ T6198] __dump_stack+0x30/0x40 [ 86.559071][ T6198] dump_stack_lvl+0xf4/0x15c [ 86.559908][ T6198] dump_stack+0x1c/0x5c [ 86.560630][ T6198] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.561566][ T6198] f2fs_iget+0x1b2c/0x5110 [ 86.562330][ T6198] f2fs_nfs_get_inode+0x80/0x118 [ 86.563195][ T6198] generic_fh_to_dentry+0x9c/0x104 [ 86.564116][ T6198] f2fs_fh_to_dentry+0x44/0x58 [ 86.564920][ T6198] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.565832][ T6198] exportfs_decode_fh+0x50/0x80 [ 86.566689][ T6198] do_handle_open+0x530/0x924 [ 86.567541][ T6198] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.568563][ T6198] invoke_syscall+0x98/0x2b0 [ 86.569399][ T6198] el0_svc_common+0x138/0x258 [ 86.570209][ T6198] do_el0_svc+0x58/0x13c [ 86.570907][ T6198] el0_svc+0x78/0x1d0 [ 86.571369][ T6196] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.571540][ T6198] el0t_64_sync_handler+0xcc/0xe4 [ 86.574391][ T6198] el0t_64_sync+0x1a0/0x1a4 [ 86.576265][ T6197] CPU: 0 PID: 6197 Comm: syz.4.109 Tainted: G B syzkaller #0 [ 86.577848][ T6197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.579599][ T6197] Call trace: [ 86.580126][ T6197] dump_backtrace+0x0/0x458 [ 86.580928][ T6197] show_stack+0x2c/0x3c [ 86.581553][ T6197] __dump_stack+0x30/0x40 [ 86.582259][ T6197] dump_stack_lvl+0xf4/0x15c [ 86.582960][ T6197] dump_stack+0x1c/0x5c [ 86.583651][ T6197] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.584617][ T6197] f2fs_iget+0x1b2c/0x5110 [ 86.585353][ T6197] f2fs_nfs_get_inode+0x80/0x118 [ 86.586180][ T6197] generic_fh_to_dentry+0x9c/0x104 [ 86.587034][ T6197] f2fs_fh_to_dentry+0x44/0x58 [ 86.587839][ T6197] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.588761][ T6197] exportfs_decode_fh+0x50/0x80 [ 86.589599][ T6197] do_handle_open+0x530/0x924 [ 86.590398][ T6197] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.591420][ T6197] invoke_syscall+0x98/0x2b0 [ 86.592209][ T6197] el0_svc_common+0x138/0x258 [ 86.592992][ T6197] do_el0_svc+0x58/0x13c [ 86.593722][ T6197] el0_svc+0x78/0x1d0 [ 86.594429][ T6197] el0t_64_sync_handler+0xcc/0xe4 [ 86.595274][ T6197] el0t_64_sync+0x1a0/0x1a4 [ 86.606352][ T6176] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 86.608158][ T6176] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.609351][ T6176] CPU: 0 PID: 6176 Comm: syz.0.110 Tainted: G B syzkaller #0 [ 86.610830][ T6176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.612381][ T6176] Call trace: [ 86.612906][ T6176] dump_backtrace+0x0/0x458 [ 86.613658][ T6176] show_stack+0x2c/0x3c [ 86.614353][ T6176] __dump_stack+0x30/0x40 [ 86.615097][ T6176] dump_stack_lvl+0xf4/0x15c [ 86.615823][ T6176] dump_stack+0x1c/0x5c [ 86.616471][ T6176] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.617432][ T6176] f2fs_iget+0x1b2c/0x5110 [ 86.618152][ T6176] f2fs_nfs_get_inode+0x80/0x118 [ 86.619106][ T6176] generic_fh_to_dentry+0x9c/0x104 [ 86.620016][ T6176] f2fs_fh_to_dentry+0x44/0x58 [ 86.620818][ T6176] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.621709][ T6176] exportfs_decode_fh+0x50/0x80 [ 86.622577][ T6176] do_handle_open+0x530/0x924 [ 86.623367][ T6176] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.624445][ T6176] invoke_syscall+0x98/0x2b0 [ 86.625223][ T6176] el0_svc_common+0x138/0x258 [ 86.625996][ T6176] do_el0_svc+0x58/0x13c [ 86.626724][ T6176] el0_svc+0x78/0x1d0 [ 86.627447][ T6176] el0t_64_sync_handler+0xcc/0xe4 [ 86.628296][ T6176] el0t_64_sync+0x1a0/0x1a4 [ 86.634178][ T6197] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.643245][ T6198] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.650583][ T6176] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.676371][ T6176] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.677903][ T6176] CPU: 1 PID: 6176 Comm: syz.0.110 Tainted: G B syzkaller #0 [ 86.679240][ T6176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.680874][ T6176] Call trace: [ 86.681395][ T6176] dump_backtrace+0x0/0x458 [ 86.682167][ T6176] show_stack+0x2c/0x3c [ 86.682829][ T6176] __dump_stack+0x30/0x40 [ 86.683585][ T6176] dump_stack_lvl+0xf4/0x15c [ 86.684340][ T6176] dump_stack+0x1c/0x5c [ 86.685063][ T6176] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.685981][ T6176] f2fs_iget+0x1b2c/0x5110 [ 86.686744][ T6176] f2fs_nfs_get_inode+0x80/0x118 [ 86.687630][ T6176] generic_fh_to_dentry+0x9c/0x104 [ 86.688515][ T6176] f2fs_fh_to_dentry+0x44/0x58 [ 86.689286][ T6176] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.690246][ T6176] exportfs_decode_fh+0x50/0x80 [ 86.691097][ T6176] do_handle_open+0x530/0x924 [ 86.691947][ T6176] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.693006][ T6176] invoke_syscall+0x98/0x2b0 [ 86.693785][ T6176] el0_svc_common+0x138/0x258 [ 86.694581][ T6176] do_el0_svc+0x58/0x13c [ 86.695296][ T6176] el0_svc+0x78/0x1d0 [ 86.695982][ T6176] el0t_64_sync_handler+0xcc/0xe4 [ 86.696792][ T6176] el0t_64_sync+0x1a0/0x1a4 [ 86.704615][ T6189] F2FS-fs (loop3): Found nat_bits in checkpoint [ 86.716430][ T6189] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 86.718358][ T6189] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.719596][ T6189] CPU: 1 PID: 6189 Comm: syz.3.113 Tainted: G B syzkaller #0 [ 86.721084][ T6189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.722882][ T6189] Call trace: [ 86.723436][ T6189] dump_backtrace+0x0/0x458 [ 86.724184][ T6189] show_stack+0x2c/0x3c [ 86.724913][ T6189] __dump_stack+0x30/0x40 [ 86.725709][ T6189] dump_stack_lvl+0xf4/0x15c [ 86.726480][ T6189] dump_stack+0x1c/0x5c [ 86.727167][ T6189] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.728064][ T6189] f2fs_iget+0x1b2c/0x5110 [ 86.728852][ T6189] f2fs_nfs_get_inode+0x80/0x118 [ 86.729660][ T6189] generic_fh_to_dentry+0x9c/0x104 [ 86.730628][ T6189] f2fs_fh_to_dentry+0x44/0x58 [ 86.731482][ T6189] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.732318][ T6189] exportfs_decode_fh+0x50/0x80 [ 86.733157][ T6189] do_handle_open+0x530/0x924 [ 86.733931][ T6189] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.735015][ T6189] invoke_syscall+0x98/0x2b0 [ 86.735795][ T6189] el0_svc_common+0x138/0x258 [ 86.736635][ T6189] do_el0_svc+0x58/0x13c [ 86.737382][ T6189] el0_svc+0x78/0x1d0 [ 86.738141][ T6189] el0t_64_sync_handler+0xcc/0xe4 [ 86.739005][ T6189] el0t_64_sync+0x1a0/0x1a4 [ 86.782685][ T6176] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.790880][ T6189] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.801202][ T6210] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.802445][ T6210] CPU: 1 PID: 6210 Comm: syz.3.113 Tainted: G B syzkaller #0 [ 86.803899][ T6210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.805604][ T6210] Call trace: [ 86.806143][ T6210] dump_backtrace+0x0/0x458 [ 86.806958][ T6210] show_stack+0x2c/0x3c [ 86.807634][ T6210] __dump_stack+0x30/0x40 [ 86.808368][ T6210] dump_stack_lvl+0xf4/0x15c [ 86.809190][ T6210] dump_stack+0x1c/0x5c [ 86.809945][ T6210] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.810850][ T6210] f2fs_iget+0x1b2c/0x5110 [ 86.811611][ T6210] f2fs_nfs_get_inode+0x80/0x118 [ 86.812425][ T6210] generic_fh_to_dentry+0x9c/0x104 [ 86.813256][ T6210] f2fs_fh_to_dentry+0x44/0x58 [ 86.814046][ T6210] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.814941][ T6210] exportfs_decode_fh+0x50/0x80 [ 86.815749][ T6210] do_handle_open+0x530/0x924 [ 86.816582][ T6210] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.817648][ T6210] invoke_syscall+0x98/0x2b0 [ 86.818436][ T6210] el0_svc_common+0x138/0x258 [ 86.819247][ T6210] do_el0_svc+0x58/0x13c [ 86.819926][ T6210] el0_svc+0x78/0x1d0 [ 86.820650][ T6210] el0t_64_sync_handler+0xcc/0xe4 [ 86.821498][ T6210] el0t_64_sync+0x1a0/0x1a4 [ 86.825596][ T6210] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.870292][ T6201] F2FS-fs (loop2): Found nat_bits in checkpoint [ 86.895496][ T6201] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 86.903517][ T6201] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.907461][ T6201] CPU: 1 PID: 6201 Comm: syz.2.114 Tainted: G B syzkaller #0 [ 86.909079][ T6201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.910915][ T6201] Call trace: [ 86.911466][ T6201] dump_backtrace+0x0/0x458 [ 86.912245][ T6201] show_stack+0x2c/0x3c [ 86.912981][ T6201] __dump_stack+0x30/0x40 [ 86.913746][ T6201] dump_stack_lvl+0xf4/0x15c [ 86.914511][ T6201] dump_stack+0x1c/0x5c [ 86.915202][ T6201] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.916049][ T6201] f2fs_iget+0x1b2c/0x5110 [ 86.916773][ T6201] f2fs_nfs_get_inode+0x80/0x118 [ 86.917670][ T6201] generic_fh_to_dentry+0x9c/0x104 [ 86.918542][ T6201] f2fs_fh_to_dentry+0x44/0x58 [ 86.919330][ T6201] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.920269][ T6201] exportfs_decode_fh+0x50/0x80 [ 86.921102][ T6201] do_handle_open+0x530/0x924 [ 86.921868][ T6201] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.922845][ T6201] invoke_syscall+0x98/0x2b0 [ 86.923572][ T6201] el0_svc_common+0x138/0x258 [ 86.924396][ T6201] do_el0_svc+0x58/0x13c [ 86.925169][ T6201] el0_svc+0x78/0x1d0 [ 86.925873][ T6201] el0t_64_sync_handler+0xcc/0xe4 [ 86.926734][ T6201] el0t_64_sync+0x1a0/0x1a4 [ 86.959001][ T6201] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 86.962510][ T6219] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 86.971450][ T6219] CPU: 1 PID: 6219 Comm: syz.2.114 Tainted: G B syzkaller #0 [ 86.972765][ T6219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.974410][ T6219] Call trace: [ 86.974971][ T6219] dump_backtrace+0x0/0x458 [ 86.975783][ T6219] show_stack+0x2c/0x3c [ 86.976511][ T6219] __dump_stack+0x30/0x40 [ 86.977296][ T6219] dump_stack_lvl+0xf4/0x15c [ 86.978061][ T6219] dump_stack+0x1c/0x5c [ 86.978796][ T6219] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 86.979706][ T6219] f2fs_iget+0x1b2c/0x5110 [ 86.980445][ T6219] f2fs_nfs_get_inode+0x80/0x118 [ 86.981267][ T6219] generic_fh_to_dentry+0x9c/0x104 [ 86.982243][ T6219] f2fs_fh_to_dentry+0x44/0x58 [ 86.983096][ T6219] exportfs_decode_fh_raw+0x13c/0x4e8 [ 86.984034][ T6219] exportfs_decode_fh+0x50/0x80 [ 86.984904][ T6219] do_handle_open+0x530/0x924 [ 86.985742][ T6219] __arm64_sys_open_by_handle_at+0x80/0x94 [ 86.986739][ T6219] invoke_syscall+0x98/0x2b0 [ 86.987545][ T6219] el0_svc_common+0x138/0x258 [ 86.988352][ T6219] do_el0_svc+0x58/0x13c [ 86.989063][ T6219] el0_svc+0x78/0x1d0 [ 86.989776][ T6219] el0t_64_sync_handler+0xcc/0xe4 [ 86.990632][ T6219] el0t_64_sync+0x1a0/0x1a4 [ 87.016939][ T6219] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.086924][ T6207] F2FS-fs (loop4): Found nat_bits in checkpoint [ 87.092083][ T6209] F2FS-fs (loop1): Found nat_bits in checkpoint [ 87.111075][ T6209] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 87.113030][ T6209] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.114487][ T6207] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 87.116068][ T6209] CPU: 1 PID: 6209 Comm: syz.1.116 Tainted: G B syzkaller #0 [ 87.117508][ T6209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.119192][ T6209] Call trace: [ 87.119781][ T6209] dump_backtrace+0x0/0x458 [ 87.120470][ T6209] show_stack+0x2c/0x3c [ 87.121193][ T6209] __dump_stack+0x30/0x40 [ 87.121943][ T6209] dump_stack_lvl+0xf4/0x15c [ 87.122766][ T6209] dump_stack+0x1c/0x5c [ 87.123483][ T6209] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.124449][ T6209] f2fs_iget+0x1b2c/0x5110 [ 87.125212][ T6209] f2fs_nfs_get_inode+0x80/0x118 [ 87.126001][ T6209] generic_fh_to_dentry+0x9c/0x104 [ 87.126911][ T6209] f2fs_fh_to_dentry+0x44/0x58 [ 87.127711][ T6209] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.128636][ T6209] exportfs_decode_fh+0x50/0x80 [ 87.129510][ T6209] do_handle_open+0x530/0x924 [ 87.130354][ T6209] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.131403][ T6209] invoke_syscall+0x98/0x2b0 [ 87.132225][ T6209] el0_svc_common+0x138/0x258 [ 87.133066][ T6209] do_el0_svc+0x58/0x13c [ 87.133816][ T6209] el0_svc+0x78/0x1d0 [ 87.134489][ T6209] el0t_64_sync_handler+0xcc/0xe4 [ 87.135377][ T6209] el0t_64_sync+0x1a0/0x1a4 [ 87.139589][ T6207] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.140928][ T6207] CPU: 1 PID: 6207 Comm: syz.4.115 Tainted: G B syzkaller #0 [ 87.142320][ T6207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.144125][ T6207] Call trace: [ 87.144683][ T6207] dump_backtrace+0x0/0x458 [ 87.145428][ T6207] show_stack+0x2c/0x3c [ 87.146193][ T6207] __dump_stack+0x30/0x40 [ 87.146961][ T6207] dump_stack_lvl+0xf4/0x15c [ 87.147721][ T6207] dump_stack+0x1c/0x5c [ 87.148400][ T6207] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.149303][ T6207] f2fs_iget+0x1b2c/0x5110 [ 87.150042][ T6207] f2fs_nfs_get_inode+0x80/0x118 [ 87.150963][ T6207] generic_fh_to_dentry+0x9c/0x104 [ 87.151897][ T6207] f2fs_fh_to_dentry+0x44/0x58 [ 87.152794][ T6207] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.153707][ T6207] exportfs_decode_fh+0x50/0x80 [ 87.154536][ T6207] do_handle_open+0x530/0x924 [ 87.155280][ T6207] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.156321][ T6207] invoke_syscall+0x98/0x2b0 [ 87.157107][ T6207] el0_svc_common+0x138/0x258 [ 87.157908][ T6207] do_el0_svc+0x58/0x13c [ 87.158595][ T6207] el0_svc+0x78/0x1d0 [ 87.159271][ T6207] el0t_64_sync_handler+0xcc/0xe4 [ 87.160155][ T6207] el0t_64_sync+0x1a0/0x1a4 [ 87.166090][ T6209] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.168739][ T6230] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.170160][ T6230] CPU: 0 PID: 6230 Comm: syz.1.116 Tainted: G B syzkaller #0 [ 87.171603][ T6230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.173165][ T6230] Call trace: [ 87.173700][ T6230] dump_backtrace+0x0/0x458 [ 87.174474][ T6230] show_stack+0x2c/0x3c [ 87.175150][ T6230] __dump_stack+0x30/0x40 [ 87.175890][ T6230] dump_stack_lvl+0xf4/0x15c [ 87.176744][ T6230] dump_stack+0x1c/0x5c [ 87.177428][ T6230] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.178321][ T6230] f2fs_iget+0x1b2c/0x5110 [ 87.178999][ T6230] f2fs_nfs_get_inode+0x80/0x118 [ 87.179822][ T6230] generic_fh_to_dentry+0x9c/0x104 [ 87.180641][ T6230] f2fs_fh_to_dentry+0x44/0x58 [ 87.181467][ T6230] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.182364][ T6230] exportfs_decode_fh+0x50/0x80 [ 87.183192][ T6230] do_handle_open+0x530/0x924 [ 87.183954][ T6230] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.184962][ T6230] invoke_syscall+0x98/0x2b0 [ 87.185724][ T6230] el0_svc_common+0x138/0x258 [ 87.186486][ T6230] do_el0_svc+0x58/0x13c [ 87.187154][ T6230] el0_svc+0x78/0x1d0 [ 87.187825][ T6230] el0t_64_sync_handler+0xcc/0xe4 [ 87.188683][ T6230] el0t_64_sync+0x1a0/0x1a4 [ 87.192906][ T6230] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.200737][ T6207] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.208709][ T6231] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.210082][ T6231] CPU: 0 PID: 6231 Comm: syz.4.115 Tainted: G B syzkaller #0 [ 87.211542][ T6231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.213248][ T6231] Call trace: [ 87.213794][ T6231] dump_backtrace+0x0/0x458 [ 87.214554][ T6231] show_stack+0x2c/0x3c [ 87.215292][ T6231] __dump_stack+0x30/0x40 [ 87.216117][ T6231] dump_stack_lvl+0xf4/0x15c [ 87.216831][ T6231] dump_stack+0x1c/0x5c [ 87.217512][ T6231] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.218427][ T6231] f2fs_iget+0x1b2c/0x5110 [ 87.219190][ T6231] f2fs_nfs_get_inode+0x80/0x118 [ 87.219966][ T6231] generic_fh_to_dentry+0x9c/0x104 [ 87.220908][ T6231] f2fs_fh_to_dentry+0x44/0x58 [ 87.221741][ T6231] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.222640][ T6231] exportfs_decode_fh+0x50/0x80 [ 87.223496][ T6231] do_handle_open+0x530/0x924 [ 87.224247][ T6231] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.225285][ T6231] invoke_syscall+0x98/0x2b0 [ 87.226174][ T6231] el0_svc_common+0x138/0x258 [ 87.226953][ T6231] do_el0_svc+0x58/0x13c [ 87.227733][ T6231] el0_svc+0x78/0x1d0 [ 87.228488][ T6231] el0t_64_sync_handler+0xcc/0xe4 [ 87.229363][ T6231] el0t_64_sync+0x1a0/0x1a4 [ 87.236093][ T6218] F2FS-fs (loop0): Found nat_bits in checkpoint [ 87.253328][ T6218] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 87.255059][ T6231] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.255327][ T6218] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.258445][ T6218] CPU: 0 PID: 6218 Comm: syz.0.117 Tainted: G B syzkaller #0 [ 87.259902][ T6218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.261617][ T6218] Call trace: [ 87.262158][ T6218] dump_backtrace+0x0/0x458 [ 87.262930][ T6218] show_stack+0x2c/0x3c [ 87.263620][ T6218] __dump_stack+0x30/0x40 [ 87.264281][ T6218] dump_stack_lvl+0xf4/0x15c [ 87.265000][ T6218] dump_stack+0x1c/0x5c [ 87.265673][ T6218] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.266574][ T6218] f2fs_iget+0x1b2c/0x5110 [ 87.267357][ T6218] f2fs_nfs_get_inode+0x80/0x118 [ 87.268181][ T6218] generic_fh_to_dentry+0x9c/0x104 [ 87.269111][ T6218] f2fs_fh_to_dentry+0x44/0x58 [ 87.269984][ T6218] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.270921][ T6218] exportfs_decode_fh+0x50/0x80 [ 87.271702][ T6218] do_handle_open+0x530/0x924 [ 87.272473][ T6218] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.273455][ T6218] invoke_syscall+0x98/0x2b0 [ 87.274195][ T6218] el0_svc_common+0x138/0x258 [ 87.274905][ T6218] do_el0_svc+0x58/0x13c [ 87.275656][ T6218] el0_svc+0x78/0x1d0 [ 87.276331][ T6218] el0t_64_sync_handler+0xcc/0xe4 [ 87.277189][ T6218] el0t_64_sync+0x1a0/0x1a4 [ 87.283507][ T6215] F2FS-fs (loop3): Found nat_bits in checkpoint [ 87.298720][ T6215] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 87.300629][ T6221] F2FS-fs (loop2): Found nat_bits in checkpoint [ 87.304769][ T6215] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.306050][ T6215] CPU: 0 PID: 6215 Comm: syz.3.118 Tainted: G B syzkaller #0 [ 87.307439][ T6215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.309073][ T6215] Call trace: [ 87.309592][ T6215] dump_backtrace+0x0/0x458 [ 87.310311][ T6215] show_stack+0x2c/0x3c [ 87.310997][ T6215] __dump_stack+0x30/0x40 [ 87.311723][ T6215] dump_stack_lvl+0xf4/0x15c [ 87.312548][ T6215] dump_stack+0x1c/0x5c [ 87.313203][ T6215] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.314023][ T6215] f2fs_iget+0x1b2c/0x5110 [ 87.314761][ T6215] f2fs_nfs_get_inode+0x80/0x118 [ 87.315640][ T6215] generic_fh_to_dentry+0x9c/0x104 [ 87.316439][ T6215] f2fs_fh_to_dentry+0x44/0x58 [ 87.317245][ T6215] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.318136][ T6215] exportfs_decode_fh+0x50/0x80 [ 87.319008][ T6215] do_handle_open+0x530/0x924 [ 87.319766][ T6215] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.320752][ T6215] invoke_syscall+0x98/0x2b0 [ 87.321609][ T6215] el0_svc_common+0x138/0x258 [ 87.322365][ T6215] do_el0_svc+0x58/0x13c [ 87.323056][ T6215] el0_svc+0x78/0x1d0 [ 87.323687][ T6215] el0t_64_sync_handler+0xcc/0xe4 [ 87.324602][ T6215] el0t_64_sync+0x1a0/0x1a4 [ 87.340511][ T6221] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 87.342287][ T6221] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.343636][ T6221] CPU: 0 PID: 6221 Comm: syz.2.119 Tainted: G B syzkaller #0 [ 87.344531][ T6218] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.345077][ T6221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.348780][ T6221] Call trace: [ 87.349314][ T6221] dump_backtrace+0x0/0x458 [ 87.350071][ T6221] show_stack+0x2c/0x3c [ 87.350744][ T6221] __dump_stack+0x30/0x40 [ 87.351469][ T6221] dump_stack_lvl+0xf4/0x15c [ 87.352205][ T6221] dump_stack+0x1c/0x5c [ 87.352923][ T6221] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.353759][ T6221] f2fs_iget+0x1b2c/0x5110 [ 87.354417][ T6221] f2fs_nfs_get_inode+0x80/0x118 [ 87.355203][ T6221] generic_fh_to_dentry+0x9c/0x104 [ 87.356119][ T6221] f2fs_fh_to_dentry+0x44/0x58 [ 87.356936][ T6221] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.357804][ T6221] exportfs_decode_fh+0x50/0x80 [ 87.358643][ T6221] do_handle_open+0x530/0x924 [ 87.359518][ T6221] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.360507][ T6221] invoke_syscall+0x98/0x2b0 [ 87.361280][ T6221] el0_svc_common+0x138/0x258 [ 87.362098][ T6221] do_el0_svc+0x58/0x13c [ 87.362774][ T6221] el0_svc+0x78/0x1d0 [ 87.363438][ T6221] el0t_64_sync_handler+0xcc/0xe4 [ 87.364319][ T6221] el0t_64_sync+0x1a0/0x1a4 [ 87.372010][ T6215] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.374410][ T6246] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.375879][ T6246] CPU: 0 PID: 6246 Comm: syz.0.117 Tainted: G B syzkaller #0 [ 87.377168][ T6246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.378838][ T6246] Call trace: [ 87.379394][ T6246] dump_backtrace+0x0/0x458 [ 87.380143][ T6246] show_stack+0x2c/0x3c [ 87.380874][ T6246] __dump_stack+0x30/0x40 [ 87.381530][ T6246] dump_stack_lvl+0xf4/0x15c [ 87.382257][ T6246] dump_stack+0x1c/0x5c [ 87.382937][ T6246] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.383812][ T6246] f2fs_iget+0x1b2c/0x5110 [ 87.384593][ T6246] f2fs_nfs_get_inode+0x80/0x118 [ 87.385421][ T6246] generic_fh_to_dentry+0x9c/0x104 [ 87.386227][ T6246] f2fs_fh_to_dentry+0x44/0x58 [ 87.387026][ T6246] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.387980][ T6246] exportfs_decode_fh+0x50/0x80 [ 87.388799][ T6246] do_handle_open+0x530/0x924 [ 87.389576][ T6246] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.390514][ T6246] invoke_syscall+0x98/0x2b0 [ 87.391270][ T6246] el0_svc_common+0x138/0x258 [ 87.392091][ T6246] do_el0_svc+0x58/0x13c [ 87.392811][ T6246] el0_svc+0x78/0x1d0 [ 87.393482][ T6246] el0t_64_sync_handler+0xcc/0xe4 [ 87.394366][ T6246] el0t_64_sync+0x1a0/0x1a4 [ 87.397970][ T6247] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.399203][ T6247] CPU: 0 PID: 6247 Comm: syz.3.118 Tainted: G B syzkaller #0 [ 87.400678][ T6247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.402238][ T6247] Call trace: [ 87.402793][ T6247] dump_backtrace+0x0/0x458 [ 87.403592][ T6247] show_stack+0x2c/0x3c [ 87.404292][ T6247] __dump_stack+0x30/0x40 [ 87.405000][ T6247] dump_stack_lvl+0xf4/0x15c [ 87.405773][ T6247] dump_stack+0x1c/0x5c [ 87.406444][ T6247] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.407361][ T6247] f2fs_iget+0x1b2c/0x5110 [ 87.408100][ T6247] f2fs_nfs_get_inode+0x80/0x118 [ 87.408876][ T6247] generic_fh_to_dentry+0x9c/0x104 [ 87.409721][ T6247] f2fs_fh_to_dentry+0x44/0x58 [ 87.410514][ T6247] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.411404][ T6247] exportfs_decode_fh+0x50/0x80 [ 87.412142][ T6247] do_handle_open+0x530/0x924 [ 87.412902][ T6247] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.413829][ T6247] invoke_syscall+0x98/0x2b0 [ 87.414499][ T6247] el0_svc_common+0x138/0x258 [ 87.415237][ T6247] do_el0_svc+0x58/0x13c [ 87.415929][ T6247] el0_svc+0x78/0x1d0 [ 87.416576][ T6247] el0t_64_sync_handler+0xcc/0xe4 [ 87.417476][ T6247] el0t_64_sync+0x1a0/0x1a4 [ 87.428663][ T6221] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.430835][ T6250] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.432535][ T6250] CPU: 1 PID: 6250 Comm: syz.2.119 Tainted: G B syzkaller #0 [ 87.433933][ T6250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.435682][ T6250] Call trace: [ 87.436270][ T6250] dump_backtrace+0x0/0x458 [ 87.437044][ T6250] show_stack+0x2c/0x3c [ 87.437730][ T6250] __dump_stack+0x30/0x40 [ 87.438454][ T6250] dump_stack_lvl+0xf4/0x15c [ 87.439167][ T6250] dump_stack+0x1c/0x5c [ 87.439875][ T6250] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.440788][ T6250] f2fs_iget+0x1b2c/0x5110 [ 87.441467][ T6247] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.441589][ T6250] f2fs_nfs_get_inode+0x80/0x118 [ 87.444408][ T6250] generic_fh_to_dentry+0x9c/0x104 [ 87.445362][ T6250] f2fs_fh_to_dentry+0x44/0x58 [ 87.446267][ T6250] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.447185][ T6250] exportfs_decode_fh+0x50/0x80 [ 87.447999][ T6250] do_handle_open+0x530/0x924 [ 87.448858][ T6250] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.449826][ T6250] invoke_syscall+0x98/0x2b0 [ 87.450652][ T6250] el0_svc_common+0x138/0x258 [ 87.451444][ T6250] do_el0_svc+0x58/0x13c [ 87.452156][ T6250] el0_svc+0x78/0x1d0 [ 87.452864][ T6250] el0t_64_sync_handler+0xcc/0xe4 [ 87.453722][ T6250] el0t_64_sync+0x1a0/0x1a4 [ 87.488949][ T6240] F2FS-fs (loop1): Found nat_bits in checkpoint [ 87.494256][ T6246] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.502334][ T6240] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 87.504039][ T6250] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.506379][ T6240] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.507636][ T6240] CPU: 0 PID: 6240 Comm: syz.1.120 Tainted: G B syzkaller #0 [ 87.508961][ T6240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.510495][ T6240] Call trace: [ 87.511111][ T6240] dump_backtrace+0x0/0x458 [ 87.511894][ T6240] show_stack+0x2c/0x3c [ 87.512571][ T6240] __dump_stack+0x30/0x40 [ 87.513266][ T6240] dump_stack_lvl+0xf4/0x15c [ 87.514036][ T6240] dump_stack+0x1c/0x5c [ 87.514694][ T6240] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.515542][ T6240] f2fs_iget+0x1b2c/0x5110 [ 87.516284][ T6240] f2fs_nfs_get_inode+0x80/0x118 [ 87.517167][ T6240] generic_fh_to_dentry+0x9c/0x104 [ 87.518066][ T6240] f2fs_fh_to_dentry+0x44/0x58 [ 87.518868][ T6240] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.519900][ T6240] exportfs_decode_fh+0x50/0x80 [ 87.520739][ T6240] do_handle_open+0x530/0x924 [ 87.521536][ T6240] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.522500][ T6240] invoke_syscall+0x98/0x2b0 [ 87.523314][ T6240] el0_svc_common+0x138/0x258 [ 87.524149][ T6240] do_el0_svc+0x58/0x13c [ 87.524913][ T6240] el0_svc+0x78/0x1d0 [ 87.525585][ T6240] el0t_64_sync_handler+0xcc/0xe4 [ 87.526468][ T6240] el0t_64_sync+0x1a0/0x1a4 [ 87.594421][ T6240] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.596754][ T6259] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.597925][ T6259] CPU: 0 PID: 6259 Comm: syz.1.120 Tainted: G B syzkaller #0 [ 87.599426][ T6259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.601214][ T6259] Call trace: [ 87.601753][ T6259] dump_backtrace+0x0/0x458 [ 87.602539][ T6259] show_stack+0x2c/0x3c [ 87.603204][ T6259] __dump_stack+0x30/0x40 [ 87.603899][ T6259] dump_stack_lvl+0xf4/0x15c [ 87.604707][ T6259] dump_stack+0x1c/0x5c [ 87.605401][ T6259] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.606270][ T6259] f2fs_iget+0x1b2c/0x5110 [ 87.607072][ T6259] f2fs_nfs_get_inode+0x80/0x118 [ 87.607909][ T6259] generic_fh_to_dentry+0x9c/0x104 [ 87.608755][ T6259] f2fs_fh_to_dentry+0x44/0x58 [ 87.609519][ T6259] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.610434][ T6259] exportfs_decode_fh+0x50/0x80 [ 87.611269][ T6259] do_handle_open+0x530/0x924 [ 87.612041][ T6259] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.613022][ T6259] invoke_syscall+0x98/0x2b0 [ 87.613870][ T6259] el0_svc_common+0x138/0x258 [ 87.614636][ T6259] do_el0_svc+0x58/0x13c [ 87.615322][ T6259] el0_svc+0x78/0x1d0 [ 87.615992][ T6259] el0t_64_sync_handler+0xcc/0xe4 [ 87.616842][ T6259] el0t_64_sync+0x1a0/0x1a4 [ 87.662446][ T6259] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.722255][ T6249] F2FS-fs (loop4): Found nat_bits in checkpoint [ 87.732313][ T6252] F2FS-fs (loop3): Found nat_bits in checkpoint [ 87.750290][ T6252] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 87.752100][ T6252] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.753219][ T6252] CPU: 0 PID: 6252 Comm: syz.3.122 Tainted: G B syzkaller #0 [ 87.754592][ T6252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.756300][ T6252] Call trace: [ 87.756833][ T6252] dump_backtrace+0x0/0x458 [ 87.757590][ T6252] show_stack+0x2c/0x3c [ 87.758285][ T6252] __dump_stack+0x30/0x40 [ 87.759051][ T6252] dump_stack_lvl+0xf4/0x15c [ 87.759870][ T6252] dump_stack+0x1c/0x5c [ 87.760587][ T6252] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.761517][ T6252] f2fs_iget+0x1b2c/0x5110 [ 87.762262][ T6252] f2fs_nfs_get_inode+0x80/0x118 [ 87.763122][ T6252] generic_fh_to_dentry+0x9c/0x104 [ 87.763957][ T6252] f2fs_fh_to_dentry+0x44/0x58 [ 87.764768][ T6252] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.765686][ T6252] exportfs_decode_fh+0x50/0x80 [ 87.766534][ T6252] do_handle_open+0x530/0x924 [ 87.767388][ T6252] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.768337][ T6252] invoke_syscall+0x98/0x2b0 [ 87.769138][ T6252] el0_svc_common+0x138/0x258 [ 87.769937][ T6252] do_el0_svc+0x58/0x13c [ 87.770639][ T6252] el0_svc+0x78/0x1d0 [ 87.771315][ T6252] el0t_64_sync_handler+0xcc/0xe4 [ 87.772165][ T6252] el0t_64_sync+0x1a0/0x1a4 [ 87.774803][ T6249] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 87.776664][ T6249] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.777900][ T6249] CPU: 0 PID: 6249 Comm: syz.4.121 Tainted: G B syzkaller #0 [ 87.779438][ T6249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.781204][ T6249] Call trace: [ 87.781755][ T6249] dump_backtrace+0x0/0x458 [ 87.782454][ T6249] show_stack+0x2c/0x3c [ 87.783136][ T6249] __dump_stack+0x30/0x40 [ 87.783839][ T6249] dump_stack_lvl+0xf4/0x15c [ 87.784674][ T6249] dump_stack+0x1c/0x5c [ 87.785365][ T6249] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.786383][ T6249] f2fs_iget+0x1b2c/0x5110 [ 87.787199][ T6249] f2fs_nfs_get_inode+0x80/0x118 [ 87.788020][ T6249] generic_fh_to_dentry+0x9c/0x104 [ 87.788917][ T6249] f2fs_fh_to_dentry+0x44/0x58 [ 87.789712][ T6249] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.790550][ T6249] exportfs_decode_fh+0x50/0x80 [ 87.791362][ T6249] do_handle_open+0x530/0x924 [ 87.792201][ T6249] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.793270][ T6249] invoke_syscall+0x98/0x2b0 [ 87.794081][ T6249] el0_svc_common+0x138/0x258 [ 87.794896][ T6249] do_el0_svc+0x58/0x13c [ 87.795624][ T6249] el0_svc+0x78/0x1d0 [ 87.796273][ T6249] el0t_64_sync_handler+0xcc/0xe4 [ 87.797202][ T6249] el0t_64_sync+0x1a0/0x1a4 [ 87.835130][ T6249] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.837244][ T6272] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.837314][ T6252] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.838667][ T6272] CPU: 1 PID: 6272 Comm: syz.4.121 Tainted: G B syzkaller #0 [ 87.840772][ T6273] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.841947][ T6272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.844973][ T6272] Call trace: [ 87.845546][ T6272] dump_backtrace+0x0/0x458 [ 87.846332][ T6272] show_stack+0x2c/0x3c [ 87.847028][ T6272] __dump_stack+0x30/0x40 [ 87.847836][ T6272] dump_stack_lvl+0xf4/0x15c [ 87.848657][ T6272] dump_stack+0x1c/0x5c [ 87.849363][ T6272] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.850268][ T6272] f2fs_iget+0x1b2c/0x5110 [ 87.851033][ T6272] f2fs_nfs_get_inode+0x80/0x118 [ 87.851825][ T6272] generic_fh_to_dentry+0x9c/0x104 [ 87.852689][ T6272] f2fs_fh_to_dentry+0x44/0x58 [ 87.853538][ T6272] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.854523][ T6272] exportfs_decode_fh+0x50/0x80 [ 87.855391][ T6272] do_handle_open+0x530/0x924 [ 87.856218][ T6272] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.857175][ T6272] invoke_syscall+0x98/0x2b0 [ 87.857965][ T6272] el0_svc_common+0x138/0x258 [ 87.858787][ T6272] do_el0_svc+0x58/0x13c [ 87.859597][ T6272] el0_svc+0x78/0x1d0 [ 87.860285][ T6272] el0t_64_sync_handler+0xcc/0xe4 [ 87.861175][ T6272] el0t_64_sync+0x1a0/0x1a4 [ 87.877224][ T6273] CPU: 0 PID: 6273 Comm: syz.3.122 Tainted: G B syzkaller #0 [ 87.878707][ T6273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.880334][ T6273] Call trace: [ 87.880889][ T6273] dump_backtrace+0x0/0x458 [ 87.881629][ T6273] show_stack+0x2c/0x3c [ 87.882309][ T6273] __dump_stack+0x30/0x40 [ 87.883034][ T6273] dump_stack_lvl+0xf4/0x15c [ 87.883829][ T6273] dump_stack+0x1c/0x5c [ 87.884570][ T6273] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.885467][ T6273] f2fs_iget+0x1b2c/0x5110 [ 87.886266][ T6273] f2fs_nfs_get_inode+0x80/0x118 [ 87.887169][ T6273] generic_fh_to_dentry+0x9c/0x104 [ 87.888048][ T6273] f2fs_fh_to_dentry+0x44/0x58 [ 87.888857][ T6273] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.889713][ T6273] exportfs_decode_fh+0x50/0x80 [ 87.890481][ T6273] do_handle_open+0x530/0x924 [ 87.891315][ T6273] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.892312][ T6273] invoke_syscall+0x98/0x2b0 [ 87.893075][ T6273] el0_svc_common+0x138/0x258 [ 87.893882][ T6273] do_el0_svc+0x58/0x13c [ 87.894607][ T6273] el0_svc+0x78/0x1d0 [ 87.895252][ T6273] el0t_64_sync_handler+0xcc/0xe4 [ 87.895392][ T6272] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.896107][ T6273] el0t_64_sync+0x1a0/0x1a4 [ 87.902723][ T6258] F2FS-fs (loop2): Found nat_bits in checkpoint [ 87.918449][ T6258] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 87.920556][ T6258] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 87.921880][ T6258] CPU: 0 PID: 6258 Comm: syz.2.123 Tainted: G B syzkaller #0 [ 87.923402][ T6258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.925126][ T6258] Call trace: [ 87.925597][ T6258] dump_backtrace+0x0/0x458 [ 87.926341][ T6258] show_stack+0x2c/0x3c [ 87.927040][ T6258] __dump_stack+0x30/0x40 [ 87.927737][ T6258] dump_stack_lvl+0xf4/0x15c [ 87.928493][ T6258] dump_stack+0x1c/0x5c [ 87.929167][ T6258] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 87.930108][ T6258] f2fs_iget+0x1b2c/0x5110 [ 87.930869][ T6258] f2fs_nfs_get_inode+0x80/0x118 [ 87.931748][ T6258] generic_fh_to_dentry+0x9c/0x104 [ 87.932603][ T6258] f2fs_fh_to_dentry+0x44/0x58 [ 87.933360][ T6258] exportfs_decode_fh_raw+0x13c/0x4e8 [ 87.934316][ T6258] exportfs_decode_fh+0x50/0x80 [ 87.935160][ T6258] do_handle_open+0x530/0x924 [ 87.935548][ T6273] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 87.935980][ T6258] __arm64_sys_open_by_handle_at+0x80/0x94 [ 87.938829][ T6258] invoke_syscall+0x98/0x2b0 [ 87.939587][ T6258] el0_svc_common+0x138/0x258 [ 87.940371][ T6258] do_el0_svc+0x58/0x13c [ 87.941160][ T6258] el0_svc+0x78/0x1d0 [ 87.941859][ T6258] el0t_64_sync_handler+0xcc/0xe4 [ 87.942705][ T6258] el0t_64_sync+0x1a0/0x1a4 [ 87.979213][ T6268] F2FS-fs (loop0): Found nat_bits in checkpoint [ 87.986947][ T6262] F2FS-fs (loop1): Found nat_bits in checkpoint [ 87.999017][ T6258] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.001177][ T6283] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.002761][ T6283] CPU: 1 PID: 6283 Comm: syz.2.123 Tainted: G B syzkaller #0 [ 88.004249][ T6283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.005958][ T6283] Call trace: [ 88.006476][ T6283] dump_backtrace+0x0/0x458 [ 88.007276][ T6283] show_stack+0x2c/0x3c [ 88.008041][ T6283] __dump_stack+0x30/0x40 [ 88.008796][ T6283] dump_stack_lvl+0xf4/0x15c [ 88.009560][ T6283] dump_stack+0x1c/0x5c [ 88.010299][ T6283] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.011169][ T6283] f2fs_iget+0x1b2c/0x5110 [ 88.011918][ T6283] f2fs_nfs_get_inode+0x80/0x118 [ 88.012774][ T6283] generic_fh_to_dentry+0x9c/0x104 [ 88.013675][ T6283] f2fs_fh_to_dentry+0x44/0x58 [ 88.014505][ T6283] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.015404][ T6283] exportfs_decode_fh+0x50/0x80 [ 88.016270][ T6283] do_handle_open+0x530/0x924 [ 88.017041][ T6283] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.018038][ T6283] invoke_syscall+0x98/0x2b0 [ 88.018851][ T6283] el0_svc_common+0x138/0x258 [ 88.019670][ T6283] do_el0_svc+0x58/0x13c [ 88.020363][ T6283] el0_svc+0x78/0x1d0 [ 88.021043][ T6283] el0t_64_sync_handler+0xcc/0xe4 [ 88.021910][ T6283] el0t_64_sync+0x1a0/0x1a4 [ 88.027749][ T6268] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 88.029697][ T6262] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 88.031513][ T6262] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.032867][ T6268] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.034566][ T6262] CPU: 0 PID: 6262 Comm: syz.1.125 Tainted: G B syzkaller #0 [ 88.036040][ T6262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.037755][ T6262] Call trace: [ 88.038288][ T6262] dump_backtrace+0x0/0x458 [ 88.039025][ T6262] show_stack+0x2c/0x3c [ 88.039704][ T6262] __dump_stack+0x30/0x40 [ 88.040412][ T6262] dump_stack_lvl+0xf4/0x15c [ 88.041178][ T6262] dump_stack+0x1c/0x5c [ 88.041904][ T6262] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.042825][ T6262] f2fs_iget+0x1b2c/0x5110 [ 88.043536][ T6262] f2fs_nfs_get_inode+0x80/0x118 [ 88.044345][ T6262] generic_fh_to_dentry+0x9c/0x104 [ 88.045176][ T6262] f2fs_fh_to_dentry+0x44/0x58 [ 88.046031][ T6262] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.046113][ T6283] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.046898][ T6262] exportfs_decode_fh+0x50/0x80 [ 88.049710][ T6262] do_handle_open+0x530/0x924 [ 88.050523][ T6262] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.051534][ T6262] invoke_syscall+0x98/0x2b0 [ 88.052308][ T6262] el0_svc_common+0x138/0x258 [ 88.053079][ T6262] do_el0_svc+0x58/0x13c [ 88.053798][ T6262] el0_svc+0x78/0x1d0 [ 88.054424][ T6262] el0t_64_sync_handler+0xcc/0xe4 [ 88.055291][ T6262] el0t_64_sync+0x1a0/0x1a4 [ 88.061014][ T6268] CPU: 0 PID: 6268 Comm: syz.0.124 Tainted: G B syzkaller #0 [ 88.062497][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.064193][ T6268] Call trace: [ 88.064731][ T6268] dump_backtrace+0x0/0x458 [ 88.065533][ T6268] show_stack+0x2c/0x3c [ 88.066208][ T6268] __dump_stack+0x30/0x40 [ 88.066957][ T6268] dump_stack_lvl+0xf4/0x15c [ 88.067760][ T6268] dump_stack+0x1c/0x5c [ 88.068453][ T6268] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.069333][ T6268] f2fs_iget+0x1b2c/0x5110 [ 88.070125][ T6268] f2fs_nfs_get_inode+0x80/0x118 [ 88.070976][ T6268] generic_fh_to_dentry+0x9c/0x104 [ 88.071888][ T6268] f2fs_fh_to_dentry+0x44/0x58 [ 88.072711][ T6268] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.073601][ T6268] exportfs_decode_fh+0x50/0x80 [ 88.074424][ T6268] do_handle_open+0x530/0x924 [ 88.075191][ T6268] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.076187][ T6268] invoke_syscall+0x98/0x2b0 [ 88.076951][ T6268] el0_svc_common+0x138/0x258 [ 88.077760][ T6268] do_el0_svc+0x58/0x13c [ 88.078504][ T6268] el0_svc+0x78/0x1d0 [ 88.079150][ T6268] el0t_64_sync_handler+0xcc/0xe4 [ 88.080035][ T6268] el0t_64_sync+0x1a0/0x1a4 [ 88.104564][ T6268] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.106889][ T6262] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.112570][ T6294] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.113907][ T6294] CPU: 0 PID: 6294 Comm: syz.1.125 Tainted: G B syzkaller #0 [ 88.115335][ T6294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.117072][ T6294] Call trace: [ 88.117619][ T6294] dump_backtrace+0x0/0x458 [ 88.118462][ T6294] show_stack+0x2c/0x3c [ 88.119149][ T6294] __dump_stack+0x30/0x40 [ 88.119922][ T6294] dump_stack_lvl+0xf4/0x15c [ 88.120693][ T6294] dump_stack+0x1c/0x5c [ 88.121375][ T6294] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.122312][ T6294] f2fs_iget+0x1b2c/0x5110 [ 88.123073][ T6294] f2fs_nfs_get_inode+0x80/0x118 [ 88.123954][ T6294] generic_fh_to_dentry+0x9c/0x104 [ 88.124822][ T6294] f2fs_fh_to_dentry+0x44/0x58 [ 88.125663][ T6294] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.126621][ T6294] exportfs_decode_fh+0x50/0x80 [ 88.127521][ T6294] do_handle_open+0x530/0x924 [ 88.128300][ T6294] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.129311][ T6294] invoke_syscall+0x98/0x2b0 [ 88.130022][ T6294] el0_svc_common+0x138/0x258 [ 88.130868][ T6294] do_el0_svc+0x58/0x13c [ 88.131578][ T6294] el0_svc+0x78/0x1d0 [ 88.132219][ T6294] el0t_64_sync_handler+0xcc/0xe4 [ 88.133158][ T6294] el0t_64_sync+0x1a0/0x1a4 [ 88.135985][ T6293] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.137339][ T6293] CPU: 0 PID: 6293 Comm: syz.0.124 Tainted: G B syzkaller #0 [ 88.138731][ T6293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.140467][ T6293] Call trace: [ 88.140987][ T6293] dump_backtrace+0x0/0x458 [ 88.141758][ T6293] show_stack+0x2c/0x3c [ 88.142422][ T6293] __dump_stack+0x30/0x40 [ 88.143164][ T6293] dump_stack_lvl+0xf4/0x15c [ 88.143887][ T6293] dump_stack+0x1c/0x5c [ 88.144554][ T6293] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.145474][ T6293] f2fs_iget+0x1b2c/0x5110 [ 88.146207][ T6293] f2fs_nfs_get_inode+0x80/0x118 [ 88.147056][ T6293] generic_fh_to_dentry+0x9c/0x104 [ 88.147944][ T6293] f2fs_fh_to_dentry+0x44/0x58 [ 88.148787][ T6293] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.149730][ T6293] exportfs_decode_fh+0x50/0x80 [ 88.150618][ T6293] do_handle_open+0x530/0x924 [ 88.151383][ T6293] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.152352][ T6293] invoke_syscall+0x98/0x2b0 [ 88.153181][ T6293] el0_svc_common+0x138/0x258 [ 88.153970][ T6293] do_el0_svc+0x58/0x13c [ 88.154715][ T6293] el0_svc+0x78/0x1d0 [ 88.155380][ T6293] el0t_64_sync_handler+0xcc/0xe4 [ 88.156295][ T6293] el0t_64_sync+0x1a0/0x1a4 [ 88.185285][ T6293] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.187264][ T6294] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.333016][ T6279] F2FS-fs (loop4): Found nat_bits in checkpoint [ 88.338959][ T6290] F2FS-fs (loop3): Found nat_bits in checkpoint [ 88.354153][ T6279] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 88.357221][ T6279] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.364516][ T6279] CPU: 0 PID: 6279 Comm: syz.4.126 Tainted: G B syzkaller #0 [ 88.365868][ T6279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.367520][ T6279] Call trace: [ 88.368080][ T6279] dump_backtrace+0x0/0x458 [ 88.368831][ T6279] show_stack+0x2c/0x3c [ 88.369450][ T6279] __dump_stack+0x30/0x40 [ 88.370204][ T6279] dump_stack_lvl+0xf4/0x15c [ 88.370973][ T6279] dump_stack+0x1c/0x5c [ 88.371695][ T6279] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.372587][ T6279] f2fs_iget+0x1b2c/0x5110 [ 88.373380][ T6279] f2fs_nfs_get_inode+0x80/0x118 [ 88.374208][ T6279] generic_fh_to_dentry+0x9c/0x104 [ 88.375140][ T6279] f2fs_fh_to_dentry+0x44/0x58 [ 88.375917][ T6279] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.376876][ T6279] exportfs_decode_fh+0x50/0x80 [ 88.377757][ T6279] do_handle_open+0x530/0x924 [ 88.378599][ T6279] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.379573][ T6279] invoke_syscall+0x98/0x2b0 [ 88.380358][ T6279] el0_svc_common+0x138/0x258 [ 88.381142][ T6279] do_el0_svc+0x58/0x13c [ 88.381870][ T6279] el0_svc+0x78/0x1d0 [ 88.382620][ T6279] el0t_64_sync_handler+0xcc/0xe4 [ 88.383500][ T6279] el0t_64_sync+0x1a0/0x1a4 [ 88.387207][ T6290] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 88.388990][ T6290] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.390236][ T6290] CPU: 0 PID: 6290 Comm: syz.3.127 Tainted: G B syzkaller #0 [ 88.391613][ T6290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.393346][ T6290] Call trace: [ 88.393914][ T6290] dump_backtrace+0x0/0x458 [ 88.394691][ T6290] show_stack+0x2c/0x3c [ 88.395373][ T6290] __dump_stack+0x30/0x40 [ 88.396184][ T6290] dump_stack_lvl+0xf4/0x15c [ 88.397007][ T6290] dump_stack+0x1c/0x5c [ 88.397690][ T6290] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.398605][ T6290] f2fs_iget+0x1b2c/0x5110 [ 88.399382][ T6290] f2fs_nfs_get_inode+0x80/0x118 [ 88.400225][ T6290] generic_fh_to_dentry+0x9c/0x104 [ 88.401151][ T6290] f2fs_fh_to_dentry+0x44/0x58 [ 88.402074][ T6290] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.403023][ T6290] exportfs_decode_fh+0x50/0x80 [ 88.403845][ T6290] do_handle_open+0x530/0x924 [ 88.404650][ T6290] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.405655][ T6290] invoke_syscall+0x98/0x2b0 [ 88.406455][ T6290] el0_svc_common+0x138/0x258 [ 88.407225][ T6290] do_el0_svc+0x58/0x13c [ 88.407924][ T6290] el0_svc+0x78/0x1d0 [ 88.408583][ T6290] el0t_64_sync_handler+0xcc/0xe4 [ 88.409424][ T6290] el0t_64_sync+0x1a0/0x1a4 [ 88.429277][ T6292] F2FS-fs (loop2): Found nat_bits in checkpoint [ 88.434580][ T6279] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.438991][ T6290] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.441209][ T6310] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.444280][ T6310] CPU: 0 PID: 6310 Comm: syz.4.126 Tainted: G B syzkaller #0 [ 88.445664][ T6310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.447215][ T6310] Call trace: [ 88.447752][ T6310] dump_backtrace+0x0/0x458 [ 88.448493][ T6310] show_stack+0x2c/0x3c [ 88.449124][ T6310] __dump_stack+0x30/0x40 [ 88.449873][ T6310] dump_stack_lvl+0xf4/0x15c [ 88.450688][ T6310] dump_stack+0x1c/0x5c [ 88.451398][ T6310] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.452357][ T6310] f2fs_iget+0x1b2c/0x5110 [ 88.453099][ T6310] f2fs_nfs_get_inode+0x80/0x118 [ 88.453929][ T6310] generic_fh_to_dentry+0x9c/0x104 [ 88.454797][ T6310] f2fs_fh_to_dentry+0x44/0x58 [ 88.455601][ T6310] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.456502][ T6310] exportfs_decode_fh+0x50/0x80 [ 88.457314][ T6310] do_handle_open+0x530/0x924 [ 88.458095][ T6310] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.458673][ T6292] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 88.459090][ T6310] invoke_syscall+0x98/0x2b0 [ 88.461045][ T6310] el0_svc_common+0x138/0x258 [ 88.461951][ T6310] do_el0_svc+0x58/0x13c [ 88.462659][ T6310] el0_svc+0x78/0x1d0 [ 88.463318][ T6310] el0t_64_sync_handler+0xcc/0xe4 [ 88.464154][ T6310] el0t_64_sync+0x1a0/0x1a4 [ 88.466139][ T6292] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.466263][ T6312] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.467487][ T6292] CPU: 1 PID: 6292 Comm: syz.2.128 Tainted: G B syzkaller #0 [ 88.470333][ T6292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.472100][ T6292] Call trace: [ 88.472677][ T6292] dump_backtrace+0x0/0x458 [ 88.473473][ T6292] show_stack+0x2c/0x3c [ 88.474222][ T6292] __dump_stack+0x30/0x40 [ 88.475006][ T6292] dump_stack_lvl+0xf4/0x15c [ 88.475787][ T6292] dump_stack+0x1c/0x5c [ 88.476512][ T6292] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.477435][ T6292] f2fs_iget+0x1b2c/0x5110 [ 88.478233][ T6292] f2fs_nfs_get_inode+0x80/0x118 [ 88.479087][ T6292] generic_fh_to_dentry+0x9c/0x104 [ 88.480020][ T6292] f2fs_fh_to_dentry+0x44/0x58 [ 88.480871][ T6292] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.481797][ T6292] exportfs_decode_fh+0x50/0x80 [ 88.482571][ T6292] do_handle_open+0x530/0x924 [ 88.483404][ T6292] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.484462][ T6292] invoke_syscall+0x98/0x2b0 [ 88.485309][ T6292] el0_svc_common+0x138/0x258 [ 88.486150][ T6292] do_el0_svc+0x58/0x13c [ 88.486910][ T6292] el0_svc+0x78/0x1d0 [ 88.487590][ T6292] el0t_64_sync_handler+0xcc/0xe4 [ 88.488481][ T6292] el0t_64_sync+0x1a0/0x1a4 [ 88.490294][ T6312] CPU: 0 PID: 6312 Comm: syz.3.127 Tainted: G B syzkaller #0 [ 88.491700][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.493413][ T6312] Call trace: [ 88.493955][ T6312] dump_backtrace+0x0/0x458 [ 88.494695][ T6312] show_stack+0x2c/0x3c [ 88.495357][ T6312] __dump_stack+0x30/0x40 [ 88.496108][ T6312] dump_stack_lvl+0xf4/0x15c [ 88.496926][ T6312] dump_stack+0x1c/0x5c [ 88.497586][ T6312] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.498409][ T6312] f2fs_iget+0x1b2c/0x5110 [ 88.499167][ T6312] f2fs_nfs_get_inode+0x80/0x118 [ 88.500007][ T6312] generic_fh_to_dentry+0x9c/0x104 [ 88.500897][ T6312] f2fs_fh_to_dentry+0x44/0x58 [ 88.501742][ T6312] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.502640][ T6312] exportfs_decode_fh+0x50/0x80 [ 88.503500][ T6312] do_handle_open+0x530/0x924 [ 88.504323][ T6312] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.505284][ T6312] invoke_syscall+0x98/0x2b0 [ 88.506004][ T6312] el0_svc_common+0x138/0x258 [ 88.506796][ T6312] do_el0_svc+0x58/0x13c [ 88.507541][ T6312] el0_svc+0x78/0x1d0 [ 88.508223][ T6312] el0t_64_sync_handler+0xcc/0xe4 [ 88.509136][ T6312] el0t_64_sync+0x1a0/0x1a4 [ 88.514476][ T6292] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.516978][ T6296] F2FS-fs (loop0): Found nat_bits in checkpoint [ 88.526941][ T6317] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.528323][ T6317] CPU: 0 PID: 6317 Comm: syz.2.128 Tainted: G B syzkaller #0 [ 88.529565][ T6296] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 88.529889][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.531646][ T6296] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.532791][ T6317] Call trace: [ 88.532797][ T6317] dump_backtrace+0x0/0x458 [ 88.535473][ T6317] show_stack+0x2c/0x3c [ 88.536245][ T6317] __dump_stack+0x30/0x40 [ 88.537004][ T6317] dump_stack_lvl+0xf4/0x15c [ 88.537777][ T6317] dump_stack+0x1c/0x5c [ 88.538497][ T6317] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.539372][ T6317] f2fs_iget+0x1b2c/0x5110 [ 88.540125][ T6317] f2fs_nfs_get_inode+0x80/0x118 [ 88.540963][ T6317] generic_fh_to_dentry+0x9c/0x104 [ 88.541788][ T6317] f2fs_fh_to_dentry+0x44/0x58 [ 88.542605][ T6317] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.543558][ T6317] exportfs_decode_fh+0x50/0x80 [ 88.544416][ T6317] do_handle_open+0x530/0x924 [ 88.545263][ T6317] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.546318][ T6317] invoke_syscall+0x98/0x2b0 [ 88.547104][ T6317] el0_svc_common+0x138/0x258 [ 88.547958][ T6317] do_el0_svc+0x58/0x13c [ 88.548726][ T6317] el0_svc+0x78/0x1d0 [ 88.549346][ T6317] el0t_64_sync_handler+0xcc/0xe4 [ 88.550162][ T6317] el0t_64_sync+0x1a0/0x1a4 [ 88.553072][ T6310] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.554088][ T6296] CPU: 1 PID: 6296 Comm: syz.0.129 Tainted: G B syzkaller #0 [ 88.556457][ T6296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.558232][ T6296] Call trace: [ 88.558822][ T6296] dump_backtrace+0x0/0x458 [ 88.559628][ T6296] show_stack+0x2c/0x3c [ 88.560367][ T6296] __dump_stack+0x30/0x40 [ 88.561132][ T6296] dump_stack_lvl+0xf4/0x15c [ 88.561949][ T6296] dump_stack+0x1c/0x5c [ 88.562707][ T6296] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.563644][ T6296] f2fs_iget+0x1b2c/0x5110 [ 88.564439][ T6296] f2fs_nfs_get_inode+0x80/0x118 [ 88.564685][ T6312] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.565333][ T6296] generic_fh_to_dentry+0x9c/0x104 [ 88.568007][ T6296] f2fs_fh_to_dentry+0x44/0x58 [ 88.568885][ T6296] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.569857][ T6296] exportfs_decode_fh+0x50/0x80 [ 88.570729][ T6296] do_handle_open+0x530/0x924 [ 88.571529][ T6296] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.572570][ T6296] invoke_syscall+0x98/0x2b0 [ 88.573426][ T6296] el0_svc_common+0x138/0x258 [ 88.574262][ T6296] do_el0_svc+0x58/0x13c [ 88.574986][ T6296] el0_svc+0x78/0x1d0 [ 88.575684][ T6296] el0t_64_sync_handler+0xcc/0xe4 [ 88.576535][ T6296] el0t_64_sync+0x1a0/0x1a4 [ 88.613614][ T6296] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.629721][ T6320] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.633289][ T6320] CPU: 1 PID: 6320 Comm: syz.0.129 Tainted: G B syzkaller #0 [ 88.634850][ T6320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.636600][ T6320] Call trace: [ 88.637157][ T6320] dump_backtrace+0x0/0x458 [ 88.637942][ T6320] show_stack+0x2c/0x3c [ 88.638674][ T6320] __dump_stack+0x30/0x40 [ 88.639403][ T6320] dump_stack_lvl+0xf4/0x15c [ 88.640166][ T6320] dump_stack+0x1c/0x5c [ 88.640884][ T6320] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.641813][ T6320] f2fs_iget+0x1b2c/0x5110 [ 88.642507][ T6320] f2fs_nfs_get_inode+0x80/0x118 [ 88.643354][ T6320] generic_fh_to_dentry+0x9c/0x104 [ 88.643809][ T6317] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.644277][ T6320] f2fs_fh_to_dentry+0x44/0x58 [ 88.647085][ T6320] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.648038][ T6320] exportfs_decode_fh+0x50/0x80 [ 88.648917][ T6320] do_handle_open+0x530/0x924 [ 88.649729][ T6320] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.650770][ T6320] invoke_syscall+0x98/0x2b0 [ 88.651608][ T6320] el0_svc_common+0x138/0x258 [ 88.652507][ T6320] do_el0_svc+0x58/0x13c [ 88.653252][ T6320] el0_svc+0x78/0x1d0 [ 88.653953][ T6320] el0t_64_sync_handler+0xcc/0xe4 [ 88.654817][ T6320] el0t_64_sync+0x1a0/0x1a4 [ 88.694131][ T6320] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.697003][ T6304] F2FS-fs (loop1): Found nat_bits in checkpoint [ 88.722430][ T6304] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 88.736244][ T6304] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.737508][ T6304] CPU: 0 PID: 6304 Comm: syz.1.130 Tainted: G B syzkaller #0 [ 88.738965][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.740662][ T6304] Call trace: [ 88.741171][ T6304] dump_backtrace+0x0/0x458 [ 88.741979][ T6304] show_stack+0x2c/0x3c [ 88.742710][ T6304] __dump_stack+0x30/0x40 [ 88.743439][ T6304] dump_stack_lvl+0xf4/0x15c [ 88.744293][ T6304] dump_stack+0x1c/0x5c [ 88.744981][ T6304] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.745896][ T6304] f2fs_iget+0x1b2c/0x5110 [ 88.746628][ T6304] f2fs_nfs_get_inode+0x80/0x118 [ 88.747517][ T6304] generic_fh_to_dentry+0x9c/0x104 [ 88.748393][ T6304] f2fs_fh_to_dentry+0x44/0x58 [ 88.749182][ T6304] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.750175][ T6304] exportfs_decode_fh+0x50/0x80 [ 88.751057][ T6304] do_handle_open+0x530/0x924 [ 88.751849][ T6304] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.752860][ T6304] invoke_syscall+0x98/0x2b0 [ 88.753654][ T6304] el0_svc_common+0x138/0x258 [ 88.754419][ T6304] do_el0_svc+0x58/0x13c [ 88.755121][ T6304] el0_svc+0x78/0x1d0 [ 88.755788][ T6304] el0t_64_sync_handler+0xcc/0xe4 [ 88.756546][ T6304] el0t_64_sync+0x1a0/0x1a4 [ 88.814294][ T6304] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.817012][ T6329] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.818439][ T6329] CPU: 1 PID: 6329 Comm: syz.1.130 Tainted: G B syzkaller #0 [ 88.819963][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.821714][ T6329] Call trace: [ 88.822263][ T6329] dump_backtrace+0x0/0x458 [ 88.823049][ T6329] show_stack+0x2c/0x3c [ 88.823798][ T6329] __dump_stack+0x30/0x40 [ 88.824458][ T6329] dump_stack_lvl+0xf4/0x15c [ 88.825185][ T6329] dump_stack+0x1c/0x5c [ 88.825880][ T6329] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.826788][ T6329] f2fs_iget+0x1b2c/0x5110 [ 88.827542][ T6329] f2fs_nfs_get_inode+0x80/0x118 [ 88.828421][ T6329] generic_fh_to_dentry+0x9c/0x104 [ 88.829256][ T6329] f2fs_fh_to_dentry+0x44/0x58 [ 88.830058][ T6329] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.831001][ T6329] exportfs_decode_fh+0x50/0x80 [ 88.831812][ T6329] do_handle_open+0x530/0x924 [ 88.832582][ T6329] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.833624][ T6329] invoke_syscall+0x98/0x2b0 [ 88.834383][ T6329] el0_svc_common+0x138/0x258 [ 88.835245][ T6329] do_el0_svc+0x58/0x13c [ 88.835979][ T6329] el0_svc+0x78/0x1d0 [ 88.836672][ T6329] el0t_64_sync_handler+0xcc/0xe4 [ 88.837539][ T6329] el0t_64_sync+0x1a0/0x1a4 [ 88.876537][ T6319] F2FS-fs (loop3): Found nat_bits in checkpoint [ 88.884333][ T6329] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.898521][ T6319] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 88.900634][ T6319] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.902177][ T6319] CPU: 0 PID: 6319 Comm: syz.3.131 Tainted: G B syzkaller #0 [ 88.903615][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.905317][ T6319] Call trace: [ 88.905878][ T6319] dump_backtrace+0x0/0x458 [ 88.906687][ T6319] show_stack+0x2c/0x3c [ 88.907415][ T6319] __dump_stack+0x30/0x40 [ 88.908168][ T6319] dump_stack_lvl+0xf4/0x15c [ 88.908969][ T6319] dump_stack+0x1c/0x5c [ 88.909695][ T6319] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.910610][ T6319] f2fs_iget+0x1b2c/0x5110 [ 88.911441][ T6319] f2fs_nfs_get_inode+0x80/0x118 [ 88.912318][ T6319] generic_fh_to_dentry+0x9c/0x104 [ 88.913166][ T6319] f2fs_fh_to_dentry+0x44/0x58 [ 88.914018][ T6319] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.914974][ T6319] exportfs_decode_fh+0x50/0x80 [ 88.915806][ T6319] do_handle_open+0x530/0x924 [ 88.916565][ T6319] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.917576][ T6319] invoke_syscall+0x98/0x2b0 [ 88.918342][ T6319] el0_svc_common+0x138/0x258 [ 88.919121][ T6319] do_el0_svc+0x58/0x13c [ 88.919860][ T6319] el0_svc+0x78/0x1d0 [ 88.920491][ T6319] el0t_64_sync_handler+0xcc/0xe4 [ 88.921332][ T6319] el0t_64_sync+0x1a0/0x1a4 [ 88.932157][ T6319] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.935101][ T6319] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 88.936392][ T6319] CPU: 1 PID: 6319 Comm: syz.3.131 Tainted: G B syzkaller #0 [ 88.937929][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.939613][ T6319] Call trace: [ 88.940149][ T6319] dump_backtrace+0x0/0x458 [ 88.940880][ T6319] show_stack+0x2c/0x3c [ 88.941586][ T6319] __dump_stack+0x30/0x40 [ 88.942273][ T6319] dump_stack_lvl+0xf4/0x15c [ 88.943061][ T6319] dump_stack+0x1c/0x5c [ 88.943774][ T6319] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 88.944687][ T6319] f2fs_iget+0x1b2c/0x5110 [ 88.945514][ T6319] f2fs_nfs_get_inode+0x80/0x118 [ 88.946334][ T6319] generic_fh_to_dentry+0x9c/0x104 [ 88.947231][ T6319] f2fs_fh_to_dentry+0x44/0x58 [ 88.948052][ T6319] exportfs_decode_fh_raw+0x13c/0x4e8 [ 88.948953][ T6319] exportfs_decode_fh+0x50/0x80 [ 88.949818][ T6319] do_handle_open+0x530/0x924 [ 88.950589][ T6319] __arm64_sys_open_by_handle_at+0x80/0x94 [ 88.951546][ T6319] invoke_syscall+0x98/0x2b0 [ 88.952359][ T6319] el0_svc_common+0x138/0x258 [ 88.953147][ T6319] do_el0_svc+0x58/0x13c [ 88.953907][ T6319] el0_svc+0x78/0x1d0 [ 88.954530][ T6319] el0t_64_sync_handler+0xcc/0xe4 [ 88.955447][ T6319] el0t_64_sync+0x1a0/0x1a4 [ 88.974627][ T6324] F2FS-fs (loop2): Found nat_bits in checkpoint [ 88.977429][ T6327] F2FS-fs (loop4): Found nat_bits in checkpoint [ 88.993076][ T6319] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 88.997245][ T6324] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 89.001900][ T6324] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.003267][ T6324] CPU: 0 PID: 6324 Comm: syz.2.133 Tainted: G B syzkaller #0 [ 89.004744][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.006461][ T6324] Call trace: [ 89.007005][ T6324] dump_backtrace+0x0/0x458 [ 89.007793][ T6324] show_stack+0x2c/0x3c [ 89.008527][ T6324] __dump_stack+0x30/0x40 [ 89.009290][ T6324] dump_stack_lvl+0xf4/0x15c [ 89.010068][ T6324] dump_stack+0x1c/0x5c [ 89.010751][ T6324] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.011606][ T6324] f2fs_iget+0x1b2c/0x5110 [ 89.012368][ T6324] f2fs_nfs_get_inode+0x80/0x118 [ 89.013215][ T6324] generic_fh_to_dentry+0x9c/0x104 [ 89.014146][ T6324] f2fs_fh_to_dentry+0x44/0x58 [ 89.014908][ T6324] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.015772][ T6324] exportfs_decode_fh+0x50/0x80 [ 89.016551][ T6324] do_handle_open+0x530/0x924 [ 89.017235][ T6324] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.018133][ T6324] invoke_syscall+0x98/0x2b0 [ 89.018902][ T6324] el0_svc_common+0x138/0x258 [ 89.019606][ T6324] do_el0_svc+0x58/0x13c [ 89.020233][ T6324] el0_svc+0x78/0x1d0 [ 89.020892][ T6324] el0t_64_sync_handler+0xcc/0xe4 [ 89.021740][ T6324] el0t_64_sync+0x1a0/0x1a4 [ 89.026504][ T6327] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 89.032981][ T6327] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.038969][ T6327] CPU: 0 PID: 6327 Comm: syz.4.132 Tainted: G B syzkaller #0 [ 89.040345][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.042142][ T6327] Call trace: [ 89.042685][ T6327] dump_backtrace+0x0/0x458 [ 89.043537][ T6327] show_stack+0x2c/0x3c [ 89.044259][ T6327] __dump_stack+0x30/0x40 [ 89.045033][ T6327] dump_stack_lvl+0xf4/0x15c [ 89.045838][ T6327] dump_stack+0x1c/0x5c [ 89.046538][ T6327] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.047454][ T6327] f2fs_iget+0x1b2c/0x5110 [ 89.048219][ T6327] f2fs_nfs_get_inode+0x80/0x118 [ 89.049072][ T6327] generic_fh_to_dentry+0x9c/0x104 [ 89.049921][ T6327] f2fs_fh_to_dentry+0x44/0x58 [ 89.050760][ T6327] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.051737][ T6327] exportfs_decode_fh+0x50/0x80 [ 89.052550][ T6327] do_handle_open+0x530/0x924 [ 89.053375][ T6327] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.054400][ T6327] invoke_syscall+0x98/0x2b0 [ 89.055179][ T6327] el0_svc_common+0x138/0x258 [ 89.056005][ T6327] do_el0_svc+0x58/0x13c [ 89.056748][ T6327] el0_svc+0x78/0x1d0 [ 89.057413][ T6327] el0t_64_sync_handler+0xcc/0xe4 [ 89.058326][ T6327] el0t_64_sync+0x1a0/0x1a4 [ 89.080691][ T6324] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.082981][ T6346] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.084289][ T6327] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.084718][ T6346] CPU: 1 PID: 6346 Comm: syz.2.133 Tainted: G B syzkaller #0 [ 89.086574][ T6349] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.087742][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.090812][ T6346] Call trace: [ 89.091384][ T6346] dump_backtrace+0x0/0x458 [ 89.092174][ T6346] show_stack+0x2c/0x3c [ 89.092944][ T6346] __dump_stack+0x30/0x40 [ 89.093723][ T6346] dump_stack_lvl+0xf4/0x15c [ 89.094579][ T6346] dump_stack+0x1c/0x5c [ 89.095300][ T6346] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.096234][ T6346] f2fs_iget+0x1b2c/0x5110 [ 89.097018][ T6346] f2fs_nfs_get_inode+0x80/0x118 [ 89.097852][ T6346] generic_fh_to_dentry+0x9c/0x104 [ 89.098713][ T6346] f2fs_fh_to_dentry+0x44/0x58 [ 89.099489][ T6346] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.100428][ T6346] exportfs_decode_fh+0x50/0x80 [ 89.101321][ T6346] do_handle_open+0x530/0x924 [ 89.102127][ T6346] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.103184][ T6346] invoke_syscall+0x98/0x2b0 [ 89.104000][ T6346] el0_svc_common+0x138/0x258 [ 89.104782][ T6346] do_el0_svc+0x58/0x13c [ 89.105521][ T6346] el0_svc+0x78/0x1d0 [ 89.106262][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 89.107148][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 89.107929][ T6349] CPU: 0 PID: 6349 Comm: syz.4.132 Tainted: G B syzkaller #0 [ 89.109246][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.110786][ T6349] Call trace: [ 89.111313][ T6349] dump_backtrace+0x0/0x458 [ 89.111963][ T6349] show_stack+0x2c/0x3c [ 89.112730][ T6349] __dump_stack+0x30/0x40 [ 89.113438][ T6349] dump_stack_lvl+0xf4/0x15c [ 89.114167][ T6349] dump_stack+0x1c/0x5c [ 89.114801][ T6349] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.115625][ T6349] f2fs_iget+0x1b2c/0x5110 [ 89.116253][ T6349] f2fs_nfs_get_inode+0x80/0x118 [ 89.116951][ T6349] generic_fh_to_dentry+0x9c/0x104 [ 89.117704][ T6349] f2fs_fh_to_dentry+0x44/0x58 [ 89.118411][ T6349] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.119189][ T6349] exportfs_decode_fh+0x50/0x80 [ 89.119977][ T6349] do_handle_open+0x530/0x924 [ 89.120736][ T6349] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.121778][ T6349] invoke_syscall+0x98/0x2b0 [ 89.122598][ T6349] el0_svc_common+0x138/0x258 [ 89.123365][ T6349] do_el0_svc+0x58/0x13c [ 89.124037][ T6349] el0_svc+0x78/0x1d0 [ 89.124697][ T6349] el0t_64_sync_handler+0xcc/0xe4 [ 89.125530][ T6349] el0t_64_sync+0x1a0/0x1a4 [ 89.140139][ T6349] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.151119][ T6331] F2FS-fs (loop0): Found nat_bits in checkpoint [ 89.167375][ T6331] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 89.169403][ T6331] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.170656][ T6331] CPU: 0 PID: 6331 Comm: syz.0.134 Tainted: G B syzkaller #0 [ 89.172055][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.173619][ T6331] Call trace: [ 89.174147][ T6331] dump_backtrace+0x0/0x458 [ 89.174916][ T6331] show_stack+0x2c/0x3c [ 89.175573][ T6331] __dump_stack+0x30/0x40 [ 89.176340][ T6331] dump_stack_lvl+0xf4/0x15c [ 89.177127][ T6331] dump_stack+0x1c/0x5c [ 89.177791][ T6331] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.178759][ T6331] f2fs_iget+0x1b2c/0x5110 [ 89.179535][ T6331] f2fs_nfs_get_inode+0x80/0x118 [ 89.180521][ T6331] generic_fh_to_dentry+0x9c/0x104 [ 89.181429][ T6331] f2fs_fh_to_dentry+0x44/0x58 [ 89.182295][ T6331] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.183264][ T6331] exportfs_decode_fh+0x50/0x80 [ 89.184099][ T6331] do_handle_open+0x530/0x924 [ 89.184915][ T6331] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.185865][ T6331] invoke_syscall+0x98/0x2b0 [ 89.186626][ T6331] el0_svc_common+0x138/0x258 [ 89.187393][ T6331] do_el0_svc+0x58/0x13c [ 89.188112][ T6331] el0_svc+0x78/0x1d0 [ 89.188854][ T6331] el0t_64_sync_handler+0xcc/0xe4 [ 89.189702][ T6331] el0t_64_sync+0x1a0/0x1a4 [ 89.190284][ T6346] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.216741][ T6343] F2FS-fs (loop1): Found nat_bits in checkpoint [ 89.256968][ T6343] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 89.258853][ T6343] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.260104][ T6343] CPU: 0 PID: 6343 Comm: syz.1.135 Tainted: G B syzkaller #0 [ 89.261662][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.263328][ T6343] Call trace: [ 89.263870][ T6343] dump_backtrace+0x0/0x458 [ 89.264415][ T6331] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.264694][ T6343] show_stack+0x2c/0x3c [ 89.267333][ T6343] __dump_stack+0x30/0x40 [ 89.268102][ T6343] dump_stack_lvl+0xf4/0x15c [ 89.268981][ T6343] dump_stack+0x1c/0x5c [ 89.269683][ T6343] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.270575][ T6343] f2fs_iget+0x1b2c/0x5110 [ 89.271342][ T6343] f2fs_nfs_get_inode+0x80/0x118 [ 89.272263][ T6343] generic_fh_to_dentry+0x9c/0x104 [ 89.273170][ T6343] f2fs_fh_to_dentry+0x44/0x58 [ 89.273974][ T6343] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.274977][ T6343] exportfs_decode_fh+0x50/0x80 [ 89.275790][ T6343] do_handle_open+0x530/0x924 [ 89.276629][ T6343] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.277627][ T6343] invoke_syscall+0x98/0x2b0 [ 89.278428][ T6343] el0_svc_common+0x138/0x258 [ 89.279202][ T6343] do_el0_svc+0x58/0x13c [ 89.279929][ T6343] el0_svc+0x78/0x1d0 [ 89.280588][ T6343] el0t_64_sync_handler+0xcc/0xe4 [ 89.281458][ T6343] el0t_64_sync+0x1a0/0x1a4 [ 89.284674][ T6362] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.285951][ T6362] CPU: 1 PID: 6362 Comm: syz.0.134 Tainted: G B syzkaller #0 [ 89.287441][ T6362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.289176][ T6362] Call trace: [ 89.289721][ T6362] dump_backtrace+0x0/0x458 [ 89.290512][ T6362] show_stack+0x2c/0x3c [ 89.291198][ T6362] __dump_stack+0x30/0x40 [ 89.291946][ T6362] dump_stack_lvl+0xf4/0x15c [ 89.292676][ T6362] dump_stack+0x1c/0x5c [ 89.293398][ T6362] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.294299][ T6362] f2fs_iget+0x1b2c/0x5110 [ 89.295054][ T6362] f2fs_nfs_get_inode+0x80/0x118 [ 89.295853][ T6362] generic_fh_to_dentry+0x9c/0x104 [ 89.296739][ T6362] f2fs_fh_to_dentry+0x44/0x58 [ 89.297552][ T6362] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.298393][ T6362] exportfs_decode_fh+0x50/0x80 [ 89.299210][ T6362] do_handle_open+0x530/0x924 [ 89.300010][ T6362] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.300956][ T6362] invoke_syscall+0x98/0x2b0 [ 89.301676][ T6362] el0_svc_common+0x138/0x258 [ 89.302514][ T6362] do_el0_svc+0x58/0x13c [ 89.303256][ T6362] el0_svc+0x78/0x1d0 [ 89.303999][ T6362] el0t_64_sync_handler+0xcc/0xe4 [ 89.304923][ T6362] el0t_64_sync+0x1a0/0x1a4 [ 89.326939][ T6343] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.329097][ T6363] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.330475][ T6363] CPU: 1 PID: 6363 Comm: syz.1.135 Tainted: G B syzkaller #0 [ 89.331968][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.333631][ T6363] Call trace: [ 89.334197][ T6363] dump_backtrace+0x0/0x458 [ 89.334948][ T6363] show_stack+0x2c/0x3c [ 89.335621][ T6363] __dump_stack+0x30/0x40 [ 89.336378][ T6363] dump_stack_lvl+0xf4/0x15c [ 89.337191][ T6363] dump_stack+0x1c/0x5c [ 89.337933][ T6363] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.338940][ T6363] f2fs_iget+0x1b2c/0x5110 [ 89.339742][ T6363] f2fs_nfs_get_inode+0x80/0x118 [ 89.340638][ T6363] generic_fh_to_dentry+0x9c/0x104 [ 89.341552][ T6363] f2fs_fh_to_dentry+0x44/0x58 [ 89.342409][ T6363] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.343387][ T6363] exportfs_decode_fh+0x50/0x80 [ 89.344295][ T6363] do_handle_open+0x530/0x924 [ 89.345137][ T6363] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.346148][ T6363] invoke_syscall+0x98/0x2b0 [ 89.346971][ T6363] el0_svc_common+0x138/0x258 [ 89.347809][ T6363] do_el0_svc+0x58/0x13c [ 89.348539][ T6363] el0_svc+0x78/0x1d0 [ 89.349218][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 89.350071][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 89.361577][ T6362] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.386212][ T6363] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.399249][ T6348] F2FS-fs (loop3): Found nat_bits in checkpoint [ 89.415878][ T6348] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 89.417805][ T6348] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.419156][ T6348] CPU: 1 PID: 6348 Comm: syz.3.136 Tainted: G B syzkaller #0 [ 89.420627][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.422502][ T6348] Call trace: [ 89.423138][ T6348] dump_backtrace+0x0/0x458 [ 89.423934][ T6348] show_stack+0x2c/0x3c [ 89.424630][ T6348] __dump_stack+0x30/0x40 [ 89.425381][ T6348] dump_stack_lvl+0xf4/0x15c [ 89.426124][ T6348] dump_stack+0x1c/0x5c [ 89.426896][ T6348] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.427868][ T6348] f2fs_iget+0x1b2c/0x5110 [ 89.428648][ T6348] f2fs_nfs_get_inode+0x80/0x118 [ 89.429519][ T6348] generic_fh_to_dentry+0x9c/0x104 [ 89.430408][ T6348] f2fs_fh_to_dentry+0x44/0x58 [ 89.431215][ T6348] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.432228][ T6348] exportfs_decode_fh+0x50/0x80 [ 89.433117][ T6348] do_handle_open+0x530/0x924 [ 89.433939][ T6348] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.434978][ T6348] invoke_syscall+0x98/0x2b0 [ 89.435750][ T6348] el0_svc_common+0x138/0x258 [ 89.436585][ T6348] do_el0_svc+0x58/0x13c [ 89.437324][ T6348] el0_svc+0x78/0x1d0 [ 89.438049][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 89.438986][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 89.444900][ T6358] set_capacity_and_notify: 29 callbacks suppressed [ 89.444907][ T6358] loop4: detected capacity change from 0 to 40427 [ 89.454008][ T6348] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.457157][ T6348] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.458417][ T6348] CPU: 1 PID: 6348 Comm: syz.3.136 Tainted: G B syzkaller #0 [ 89.459984][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.461718][ T6348] Call trace: [ 89.462245][ T6348] dump_backtrace+0x0/0x458 [ 89.462977][ T6348] show_stack+0x2c/0x3c [ 89.463636][ T6348] __dump_stack+0x30/0x40 [ 89.464409][ T6348] dump_stack_lvl+0xf4/0x15c [ 89.465191][ T6348] dump_stack+0x1c/0x5c [ 89.465929][ T6348] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.466836][ T6348] f2fs_iget+0x1b2c/0x5110 [ 89.467678][ T6348] f2fs_nfs_get_inode+0x80/0x118 [ 89.468566][ T6348] generic_fh_to_dentry+0x9c/0x104 [ 89.469523][ T6348] f2fs_fh_to_dentry+0x44/0x58 [ 89.470357][ T6348] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.471265][ T6348] exportfs_decode_fh+0x50/0x80 [ 89.472082][ T6348] do_handle_open+0x530/0x924 [ 89.472918][ T6348] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.473930][ T6348] invoke_syscall+0x98/0x2b0 [ 89.474653][ T6348] el0_svc_common+0x138/0x258 [ 89.475515][ T6348] do_el0_svc+0x58/0x13c [ 89.476216][ T6348] el0_svc+0x78/0x1d0 [ 89.476895][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 89.477740][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 89.486196][ T6360] loop2: detected capacity change from 0 to 40427 [ 89.498239][ T6348] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.522629][ T6358] F2FS-fs (loop4): Found nat_bits in checkpoint [ 89.531419][ T6360] F2FS-fs (loop2): Found nat_bits in checkpoint [ 89.546570][ T6360] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 89.554206][ T6360] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.555492][ T6360] CPU: 0 PID: 6360 Comm: syz.2.138 Tainted: G B syzkaller #0 [ 89.556927][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.558468][ T6360] Call trace: [ 89.559047][ T6360] dump_backtrace+0x0/0x458 [ 89.559862][ T6360] show_stack+0x2c/0x3c [ 89.560596][ T6360] __dump_stack+0x30/0x40 [ 89.561324][ T6360] dump_stack_lvl+0xf4/0x15c [ 89.562121][ T6360] dump_stack+0x1c/0x5c [ 89.562851][ T6360] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.563765][ T6360] f2fs_iget+0x1b2c/0x5110 [ 89.564540][ T6360] f2fs_nfs_get_inode+0x80/0x118 [ 89.565418][ T6360] generic_fh_to_dentry+0x9c/0x104 [ 89.566257][ T6360] f2fs_fh_to_dentry+0x44/0x58 [ 89.567061][ T6360] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.568057][ T6360] exportfs_decode_fh+0x50/0x80 [ 89.568856][ T6360] do_handle_open+0x530/0x924 [ 89.569611][ T6360] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.570652][ T6360] invoke_syscall+0x98/0x2b0 [ 89.571457][ T6360] el0_svc_common+0x138/0x258 [ 89.572226][ T6360] do_el0_svc+0x58/0x13c [ 89.572903][ T6360] el0_svc+0x78/0x1d0 [ 89.573581][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 89.574388][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 89.584163][ T6358] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 89.585981][ T6358] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.587433][ T6358] CPU: 0 PID: 6358 Comm: syz.4.137 Tainted: G B syzkaller #0 [ 89.588862][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.590584][ T6358] Call trace: [ 89.591057][ T6358] dump_backtrace+0x0/0x458 [ 89.591822][ T6358] show_stack+0x2c/0x3c [ 89.592619][ T6358] __dump_stack+0x30/0x40 [ 89.593368][ T6358] dump_stack_lvl+0xf4/0x15c [ 89.594162][ T6358] dump_stack+0x1c/0x5c [ 89.594935][ T6358] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.595860][ T6358] f2fs_iget+0x1b2c/0x5110 [ 89.596671][ T6358] f2fs_nfs_get_inode+0x80/0x118 [ 89.597577][ T6358] generic_fh_to_dentry+0x9c/0x104 [ 89.598485][ T6358] f2fs_fh_to_dentry+0x44/0x58 [ 89.599242][ T6358] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.600199][ T6358] exportfs_decode_fh+0x50/0x80 [ 89.600987][ T6358] do_handle_open+0x530/0x924 [ 89.601799][ T6358] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.602884][ T6358] invoke_syscall+0x98/0x2b0 [ 89.603690][ T6358] el0_svc_common+0x138/0x258 [ 89.604499][ T6358] do_el0_svc+0x58/0x13c [ 89.605214][ T6358] el0_svc+0x78/0x1d0 [ 89.605911][ T6358] el0t_64_sync_handler+0xcc/0xe4 [ 89.606814][ T6358] el0t_64_sync+0x1a0/0x1a4 [ 89.634375][ T6360] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.636828][ T6358] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.644134][ T6382] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.645393][ T6382] CPU: 0 PID: 6382 Comm: syz.2.138 Tainted: G B syzkaller #0 [ 89.646799][ T6382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.648356][ T6382] Call trace: [ 89.648886][ T6382] dump_backtrace+0x0/0x458 [ 89.649605][ T6382] show_stack+0x2c/0x3c [ 89.650249][ T6382] __dump_stack+0x30/0x40 [ 89.651001][ T6382] dump_stack_lvl+0xf4/0x15c [ 89.651765][ T6382] dump_stack+0x1c/0x5c [ 89.652461][ T6382] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.653338][ T6382] f2fs_iget+0x1b2c/0x5110 [ 89.654116][ T6382] f2fs_nfs_get_inode+0x80/0x118 [ 89.654962][ T6382] generic_fh_to_dentry+0x9c/0x104 [ 89.655877][ T6382] f2fs_fh_to_dentry+0x44/0x58 [ 89.656725][ T6382] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.657639][ T6382] exportfs_decode_fh+0x50/0x80 [ 89.658496][ T6382] do_handle_open+0x530/0x924 [ 89.659251][ T6382] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.660234][ T6382] invoke_syscall+0x98/0x2b0 [ 89.661011][ T6382] el0_svc_common+0x138/0x258 [ 89.661807][ T6382] do_el0_svc+0x58/0x13c [ 89.662482][ T6382] el0_svc+0x78/0x1d0 [ 89.663106][ T6382] el0t_64_sync_handler+0xcc/0xe4 [ 89.663972][ T6382] el0t_64_sync+0x1a0/0x1a4 [ 89.664968][ T6383] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.666225][ T6383] CPU: 0 PID: 6383 Comm: syz.4.137 Tainted: G B syzkaller #0 [ 89.667687][ T6383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.669323][ T6383] Call trace: [ 89.669838][ T6383] dump_backtrace+0x0/0x458 [ 89.670499][ T6383] show_stack+0x2c/0x3c [ 89.671173][ T6383] __dump_stack+0x30/0x40 [ 89.671934][ T6383] dump_stack_lvl+0xf4/0x15c [ 89.672746][ T6383] dump_stack+0x1c/0x5c [ 89.673468][ T6383] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.674396][ T6383] f2fs_iget+0x1b2c/0x5110 [ 89.675162][ T6383] f2fs_nfs_get_inode+0x80/0x118 [ 89.675955][ T6383] generic_fh_to_dentry+0x9c/0x104 [ 89.676856][ T6383] f2fs_fh_to_dentry+0x44/0x58 [ 89.677618][ T6383] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.678474][ T6383] exportfs_decode_fh+0x50/0x80 [ 89.679356][ T6383] do_handle_open+0x530/0x924 [ 89.680182][ T6383] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.681253][ T6383] invoke_syscall+0x98/0x2b0 [ 89.682053][ T6383] el0_svc_common+0x138/0x258 [ 89.682866][ T6383] do_el0_svc+0x58/0x13c [ 89.683599][ T6383] el0_svc+0x78/0x1d0 [ 89.684292][ T6383] el0t_64_sync_handler+0xcc/0xe4 [ 89.685170][ T6383] el0t_64_sync+0x1a0/0x1a4 [ 89.704270][ T6383] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.706297][ T6382] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.729659][ T6371] loop1: detected capacity change from 0 to 40427 [ 89.753009][ T6367] loop0: detected capacity change from 0 to 40427 [ 89.786839][ T6371] F2FS-fs (loop1): Found nat_bits in checkpoint [ 89.806725][ T6371] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 89.808590][ T6371] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.809872][ T6371] CPU: 0 PID: 6371 Comm: syz.1.140 Tainted: G B syzkaller #0 [ 89.811338][ T6371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.813055][ T6371] Call trace: [ 89.813643][ T6371] dump_backtrace+0x0/0x458 [ 89.814447][ T6371] show_stack+0x2c/0x3c [ 89.815130][ T6371] __dump_stack+0x30/0x40 [ 89.815928][ T6371] dump_stack_lvl+0xf4/0x15c [ 89.816722][ T6371] dump_stack+0x1c/0x5c [ 89.817446][ T6371] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.818382][ T6371] f2fs_iget+0x1b2c/0x5110 [ 89.819156][ T6371] f2fs_nfs_get_inode+0x80/0x118 [ 89.819978][ T6371] generic_fh_to_dentry+0x9c/0x104 [ 89.820913][ T6371] f2fs_fh_to_dentry+0x44/0x58 [ 89.821831][ T6371] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.822757][ T6371] exportfs_decode_fh+0x50/0x80 [ 89.823620][ T6371] do_handle_open+0x530/0x924 [ 89.824463][ T6371] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.825520][ T6371] invoke_syscall+0x98/0x2b0 [ 89.826336][ T6371] el0_svc_common+0x138/0x258 [ 89.827157][ T6371] do_el0_svc+0x58/0x13c [ 89.827947][ T6371] el0_svc+0x78/0x1d0 [ 89.828624][ T6371] el0t_64_sync_handler+0xcc/0xe4 [ 89.829519][ T6371] el0t_64_sync+0x1a0/0x1a4 [ 89.858521][ T6367] F2FS-fs (loop0): Found nat_bits in checkpoint [ 89.877936][ T6371] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.879937][ T6367] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 89.881707][ T6367] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.883055][ T6367] CPU: 0 PID: 6367 Comm: syz.0.139 Tainted: G B syzkaller #0 [ 89.884330][ T6367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.885874][ T6367] Call trace: [ 89.886369][ T6367] dump_backtrace+0x0/0x458 [ 89.887132][ T6367] show_stack+0x2c/0x3c [ 89.887835][ T6367] __dump_stack+0x30/0x40 [ 89.888601][ T6367] dump_stack_lvl+0xf4/0x15c [ 89.889397][ T6367] dump_stack+0x1c/0x5c [ 89.890084][ T6367] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.890971][ T6367] f2fs_iget+0x1b2c/0x5110 [ 89.891699][ T6367] f2fs_nfs_get_inode+0x80/0x118 [ 89.891882][ T6385] loop3: detected capacity change from 0 to 40427 [ 89.892551][ T6367] generic_fh_to_dentry+0x9c/0x104 [ 89.894450][ T6367] f2fs_fh_to_dentry+0x44/0x58 [ 89.895264][ T6367] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.896242][ T6367] exportfs_decode_fh+0x50/0x80 [ 89.897074][ T6367] do_handle_open+0x530/0x924 [ 89.897914][ T6367] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.898927][ T6367] invoke_syscall+0x98/0x2b0 [ 89.899700][ T6367] el0_svc_common+0x138/0x258 [ 89.900493][ T6367] do_el0_svc+0x58/0x13c [ 89.901188][ T6367] el0_svc+0x78/0x1d0 [ 89.901859][ T6367] el0t_64_sync_handler+0xcc/0xe4 [ 89.902703][ T6367] el0t_64_sync+0x1a0/0x1a4 [ 89.913669][ T6398] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.924122][ T6398] CPU: 0 PID: 6398 Comm: syz.1.140 Tainted: G B syzkaller #0 [ 89.925535][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.927310][ T6398] Call trace: [ 89.927826][ T6398] dump_backtrace+0x0/0x458 [ 89.928599][ T6398] show_stack+0x2c/0x3c [ 89.929342][ T6398] __dump_stack+0x30/0x40 [ 89.930095][ T6398] dump_stack_lvl+0xf4/0x15c [ 89.930952][ T6398] dump_stack+0x1c/0x5c [ 89.931676][ T6398] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.932581][ T6398] f2fs_iget+0x1b2c/0x5110 [ 89.933299][ T6398] f2fs_nfs_get_inode+0x80/0x118 [ 89.934142][ T6398] generic_fh_to_dentry+0x9c/0x104 [ 89.934990][ T6398] f2fs_fh_to_dentry+0x44/0x58 [ 89.935820][ T6398] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.936727][ T6398] exportfs_decode_fh+0x50/0x80 [ 89.937548][ T6398] do_handle_open+0x530/0x924 [ 89.938333][ T6398] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.939392][ T6398] invoke_syscall+0x98/0x2b0 [ 89.940192][ T6398] el0_svc_common+0x138/0x258 [ 89.940999][ T6398] do_el0_svc+0x58/0x13c [ 89.941741][ T6398] el0_svc+0x78/0x1d0 [ 89.942420][ T6398] el0t_64_sync_handler+0xcc/0xe4 [ 89.943306][ T6398] el0t_64_sync+0x1a0/0x1a4 [ 89.965961][ T6367] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 89.968291][ T6399] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 89.969516][ T6399] CPU: 0 PID: 6399 Comm: syz.0.139 Tainted: G B syzkaller #0 [ 89.970962][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.972751][ T6399] Call trace: [ 89.973256][ T6399] dump_backtrace+0x0/0x458 [ 89.973999][ T6399] show_stack+0x2c/0x3c [ 89.974711][ T6399] __dump_stack+0x30/0x40 [ 89.975401][ T6399] dump_stack_lvl+0xf4/0x15c [ 89.976179][ T6399] dump_stack+0x1c/0x5c [ 89.976857][ T6399] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 89.977785][ T6399] f2fs_iget+0x1b2c/0x5110 [ 89.978542][ T6399] f2fs_nfs_get_inode+0x80/0x118 [ 89.979449][ T6399] generic_fh_to_dentry+0x9c/0x104 [ 89.980343][ T6399] f2fs_fh_to_dentry+0x44/0x58 [ 89.981137][ T6399] exportfs_decode_fh_raw+0x13c/0x4e8 [ 89.982077][ T6399] exportfs_decode_fh+0x50/0x80 [ 89.982829][ T6387] loop4: detected capacity change from 0 to 40427 [ 89.982928][ T6399] do_handle_open+0x530/0x924 [ 89.984832][ T6399] __arm64_sys_open_by_handle_at+0x80/0x94 [ 89.985863][ T6399] invoke_syscall+0x98/0x2b0 [ 89.986720][ T6399] el0_svc_common+0x138/0x258 [ 89.987497][ T6399] do_el0_svc+0x58/0x13c [ 89.988190][ T6399] el0_svc+0x78/0x1d0 [ 89.988859][ T6399] el0t_64_sync_handler+0xcc/0xe4 [ 89.989704][ T6399] el0t_64_sync+0x1a0/0x1a4 [ 89.994381][ T6398] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.008041][ T6385] F2FS-fs (loop3): Found nat_bits in checkpoint [ 90.022890][ T6385] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 90.028760][ T6385] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.030023][ T6385] CPU: 1 PID: 6385 Comm: syz.3.142 Tainted: G B syzkaller #0 [ 90.031312][ T6385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.033002][ T6385] Call trace: [ 90.033515][ T6385] dump_backtrace+0x0/0x458 [ 90.033551][ T6390] loop2: detected capacity change from 0 to 40427 [ 90.034321][ T6385] show_stack+0x2c/0x3c [ 90.034336][ T6385] __dump_stack+0x30/0x40 [ 90.034346][ T6385] dump_stack_lvl+0xf4/0x15c [ 90.034352][ T6385] dump_stack+0x1c/0x5c [ 90.034357][ T6385] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.034363][ T6385] f2fs_iget+0x1b2c/0x5110 [ 90.034369][ T6385] f2fs_nfs_get_inode+0x80/0x118 [ 90.034373][ T6385] generic_fh_to_dentry+0x9c/0x104 [ 90.034380][ T6385] f2fs_fh_to_dentry+0x44/0x58 [ 90.034384][ T6385] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.034391][ T6385] exportfs_decode_fh+0x50/0x80 [ 90.034397][ T6385] do_handle_open+0x530/0x924 [ 90.034402][ T6385] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.034407][ T6385] invoke_syscall+0x98/0x2b0 [ 90.034413][ T6385] el0_svc_common+0x138/0x258 [ 90.034418][ T6385] do_el0_svc+0x58/0x13c [ 90.034423][ T6385] el0_svc+0x78/0x1d0 [ 90.034429][ T6385] el0t_64_sync_handler+0xcc/0xe4 [ 90.034434][ T6385] el0t_64_sync+0x1a0/0x1a4 [ 90.039077][ T6385] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.041675][ T6399] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.042939][ T6385] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.055551][ T6387] F2FS-fs (loop4): Found nat_bits in checkpoint [ 90.084116][ T6385] CPU: 1 PID: 6385 Comm: syz.3.142 Tainted: G B syzkaller #0 [ 90.085677][ T6385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.087400][ T6385] Call trace: [ 90.088020][ T6385] dump_backtrace+0x0/0x458 [ 90.088808][ T6385] show_stack+0x2c/0x3c [ 90.089116][ T6390] F2FS-fs (loop2): Found nat_bits in checkpoint [ 90.089458][ T6385] __dump_stack+0x30/0x40 [ 90.091310][ T6385] dump_stack_lvl+0xf4/0x15c [ 90.092093][ T6385] dump_stack+0x1c/0x5c [ 90.092835][ T6385] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.093756][ T6385] f2fs_iget+0x1b2c/0x5110 [ 90.094533][ T6385] f2fs_nfs_get_inode+0x80/0x118 [ 90.095351][ T6385] generic_fh_to_dentry+0x9c/0x104 [ 90.096268][ T6385] f2fs_fh_to_dentry+0x44/0x58 [ 90.097133][ T6385] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.098101][ T6385] exportfs_decode_fh+0x50/0x80 [ 90.098981][ T6385] do_handle_open+0x530/0x924 [ 90.099777][ T6385] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.100704][ T6390] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 90.100744][ T6385] invoke_syscall+0x98/0x2b0 [ 90.102436][ T6390] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.102655][ T6385] el0_svc_common+0x138/0x258 [ 90.104698][ T6385] do_el0_svc+0x58/0x13c [ 90.105311][ T6385] el0_svc+0x78/0x1d0 [ 90.105905][ T6385] el0t_64_sync_handler+0xcc/0xe4 [ 90.106690][ T6385] el0t_64_sync+0x1a0/0x1a4 [ 90.116528][ T6390] CPU: 0 PID: 6390 Comm: syz.2.144 Tainted: G B syzkaller #0 [ 90.118057][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.119863][ T6390] Call trace: [ 90.120355][ T6390] dump_backtrace+0x0/0x458 [ 90.121046][ T6390] show_stack+0x2c/0x3c [ 90.121706][ T6390] __dump_stack+0x30/0x40 [ 90.122451][ T6390] dump_stack_lvl+0xf4/0x15c [ 90.123214][ T6390] dump_stack+0x1c/0x5c [ 90.123926][ T6390] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.124881][ T6390] f2fs_iget+0x1b2c/0x5110 [ 90.125579][ T6390] f2fs_nfs_get_inode+0x80/0x118 [ 90.126436][ T6390] generic_fh_to_dentry+0x9c/0x104 [ 90.127306][ T6390] f2fs_fh_to_dentry+0x44/0x58 [ 90.128061][ T6390] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.128932][ T6390] exportfs_decode_fh+0x50/0x80 [ 90.129732][ T6390] do_handle_open+0x530/0x924 [ 90.130482][ T6390] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.131471][ T6390] invoke_syscall+0x98/0x2b0 [ 90.132321][ T6390] el0_svc_common+0x138/0x258 [ 90.133157][ T6390] do_el0_svc+0x58/0x13c [ 90.133914][ T6390] el0_svc+0x78/0x1d0 [ 90.134594][ T6390] el0t_64_sync_handler+0xcc/0xe4 [ 90.135482][ T6390] el0t_64_sync+0x1a0/0x1a4 [ 90.136828][ T6387] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 90.141787][ T6387] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.143063][ T6387] CPU: 0 PID: 6387 Comm: syz.4.143 Tainted: G B syzkaller #0 [ 90.144539][ T6387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.146247][ T6387] Call trace: [ 90.146812][ T6387] dump_backtrace+0x0/0x458 [ 90.147591][ T6387] show_stack+0x2c/0x3c [ 90.148289][ T6387] __dump_stack+0x30/0x40 [ 90.149021][ T6387] dump_stack_lvl+0xf4/0x15c [ 90.149771][ T6387] dump_stack+0x1c/0x5c [ 90.150451][ T6387] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.151347][ T6387] f2fs_iget+0x1b2c/0x5110 [ 90.152136][ T6387] f2fs_nfs_get_inode+0x80/0x118 [ 90.152980][ T6387] generic_fh_to_dentry+0x9c/0x104 [ 90.153888][ T6387] f2fs_fh_to_dentry+0x44/0x58 [ 90.154695][ T6387] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.155554][ T6387] exportfs_decode_fh+0x50/0x80 [ 90.156414][ T6387] do_handle_open+0x530/0x924 [ 90.157205][ T6387] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.158164][ T6387] invoke_syscall+0x98/0x2b0 [ 90.158913][ T6387] el0_svc_common+0x138/0x258 [ 90.159670][ T6387] do_el0_svc+0x58/0x13c [ 90.160385][ T6387] el0_svc+0x78/0x1d0 [ 90.161031][ T6387] el0t_64_sync_handler+0xcc/0xe4 [ 90.161885][ T6387] el0t_64_sync+0x1a0/0x1a4 [ 90.164163][ T6385] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.184098][ T6390] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.186618][ T6417] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.187982][ T6417] CPU: 0 PID: 6417 Comm: syz.2.144 Tainted: G B syzkaller #0 [ 90.189320][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.190998][ T6417] Call trace: [ 90.191535][ T6417] dump_backtrace+0x0/0x458 [ 90.192304][ T6417] show_stack+0x2c/0x3c [ 90.192947][ T6417] __dump_stack+0x30/0x40 [ 90.193644][ T6417] dump_stack_lvl+0xf4/0x15c [ 90.194359][ T6417] dump_stack+0x1c/0x5c [ 90.195004][ T6417] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.195831][ T6417] f2fs_iget+0x1b2c/0x5110 [ 90.196553][ T6417] f2fs_nfs_get_inode+0x80/0x118 [ 90.197373][ T6417] generic_fh_to_dentry+0x9c/0x104 [ 90.198199][ T6417] f2fs_fh_to_dentry+0x44/0x58 [ 90.198904][ T6417] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.199703][ T6417] exportfs_decode_fh+0x50/0x80 [ 90.200580][ T6417] do_handle_open+0x530/0x924 [ 90.201372][ T6417] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.202326][ T6417] invoke_syscall+0x98/0x2b0 [ 90.203006][ T6417] el0_svc_common+0x138/0x258 [ 90.203838][ T6417] do_el0_svc+0x58/0x13c [ 90.204536][ T6417] el0_svc+0x78/0x1d0 [ 90.205206][ T6417] el0t_64_sync_handler+0xcc/0xe4 [ 90.206062][ T6417] el0t_64_sync+0x1a0/0x1a4 [ 90.208418][ T6387] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.215561][ T6419] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.216949][ T6419] CPU: 0 PID: 6419 Comm: syz.4.143 Tainted: G B syzkaller #0 [ 90.218517][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.220335][ T6419] Call trace: [ 90.220921][ T6419] dump_backtrace+0x0/0x458 [ 90.221787][ T6419] show_stack+0x2c/0x3c [ 90.222527][ T6419] __dump_stack+0x30/0x40 [ 90.223274][ T6419] dump_stack_lvl+0xf4/0x15c [ 90.224069][ T6419] dump_stack+0x1c/0x5c [ 90.224838][ T6419] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.225790][ T6419] f2fs_iget+0x1b2c/0x5110 [ 90.226572][ T6419] f2fs_nfs_get_inode+0x80/0x118 [ 90.227392][ T6419] generic_fh_to_dentry+0x9c/0x104 [ 90.228269][ T6419] f2fs_fh_to_dentry+0x44/0x58 [ 90.229092][ T6419] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.230055][ T6419] exportfs_decode_fh+0x50/0x80 [ 90.230871][ T6419] do_handle_open+0x530/0x924 [ 90.231666][ T6419] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.232653][ T6419] invoke_syscall+0x98/0x2b0 [ 90.233446][ T6419] el0_svc_common+0x138/0x258 [ 90.234283][ T6419] do_el0_svc+0x58/0x13c [ 90.235007][ T6419] el0_svc+0x78/0x1d0 [ 90.235769][ T6419] el0t_64_sync_handler+0xcc/0xe4 [ 90.236621][ T6419] el0t_64_sync+0x1a0/0x1a4 [ 90.252309][ T6417] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.262232][ T6419] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.365070][ T6410] loop1: detected capacity change from 0 to 40427 [ 90.372173][ T6412] loop0: detected capacity change from 0 to 40427 [ 90.420353][ T6418] loop3: detected capacity change from 0 to 40427 [ 90.427724][ T6410] F2FS-fs (loop1): Found nat_bits in checkpoint [ 90.433051][ T6412] F2FS-fs (loop0): Found nat_bits in checkpoint [ 90.447280][ T6412] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 90.449167][ T6412] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.450576][ T6412] CPU: 1 PID: 6412 Comm: syz.0.146 Tainted: G B syzkaller #0 [ 90.451907][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.453610][ T6412] Call trace: [ 90.454129][ T6412] dump_backtrace+0x0/0x458 [ 90.454950][ T6412] show_stack+0x2c/0x3c [ 90.455662][ T6412] __dump_stack+0x30/0x40 [ 90.456430][ T6412] dump_stack_lvl+0xf4/0x15c [ 90.457160][ T6412] dump_stack+0x1c/0x5c [ 90.457919][ T6412] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.458820][ T6412] f2fs_iget+0x1b2c/0x5110 [ 90.459556][ T6412] f2fs_nfs_get_inode+0x80/0x118 [ 90.460416][ T6412] generic_fh_to_dentry+0x9c/0x104 [ 90.461332][ T6412] f2fs_fh_to_dentry+0x44/0x58 [ 90.462153][ T6412] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.463051][ T6412] exportfs_decode_fh+0x50/0x80 [ 90.463885][ T6412] do_handle_open+0x530/0x924 [ 90.464663][ T6412] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.465669][ T6412] invoke_syscall+0x98/0x2b0 [ 90.466462][ T6412] el0_svc_common+0x138/0x258 [ 90.467222][ T6412] do_el0_svc+0x58/0x13c [ 90.467997][ T6412] el0_svc+0x78/0x1d0 [ 90.468708][ T6412] el0t_64_sync_handler+0xcc/0xe4 [ 90.469526][ T6412] el0t_64_sync+0x1a0/0x1a4 [ 90.472261][ T6410] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 90.473972][ T6410] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.475337][ T6410] CPU: 1 PID: 6410 Comm: syz.1.145 Tainted: G B syzkaller #0 [ 90.476691][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.478477][ T6410] Call trace: [ 90.479016][ T6410] dump_backtrace+0x0/0x458 [ 90.479709][ T6410] show_stack+0x2c/0x3c [ 90.480407][ T6410] __dump_stack+0x30/0x40 [ 90.481121][ T6410] dump_stack_lvl+0xf4/0x15c [ 90.481924][ T6410] dump_stack+0x1c/0x5c [ 90.482631][ T6410] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.483552][ T6410] f2fs_iget+0x1b2c/0x5110 [ 90.484337][ T6410] f2fs_nfs_get_inode+0x80/0x118 [ 90.485163][ T6410] generic_fh_to_dentry+0x9c/0x104 [ 90.485977][ T6410] f2fs_fh_to_dentry+0x44/0x58 [ 90.486790][ T6410] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.487665][ T6410] exportfs_decode_fh+0x50/0x80 [ 90.488545][ T6410] do_handle_open+0x530/0x924 [ 90.489306][ T6410] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.490262][ T6410] invoke_syscall+0x98/0x2b0 [ 90.491037][ T6410] el0_svc_common+0x138/0x258 [ 90.491808][ T6410] do_el0_svc+0x58/0x13c [ 90.492548][ T6410] el0_svc+0x78/0x1d0 [ 90.493201][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 90.494104][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 90.503438][ T6410] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.508520][ T6412] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.511857][ T6410] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.513211][ T6410] CPU: 1 PID: 6410 Comm: syz.1.145 Tainted: G B syzkaller #0 [ 90.514707][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.516604][ T6410] Call trace: [ 90.517171][ T6410] dump_backtrace+0x0/0x458 [ 90.517958][ T6410] show_stack+0x2c/0x3c [ 90.518654][ T6410] __dump_stack+0x30/0x40 [ 90.519393][ T6410] dump_stack_lvl+0xf4/0x15c [ 90.520215][ T6410] dump_stack+0x1c/0x5c [ 90.520937][ T6410] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.521855][ T6410] f2fs_iget+0x1b2c/0x5110 [ 90.522633][ T6410] f2fs_nfs_get_inode+0x80/0x118 [ 90.523522][ T6410] generic_fh_to_dentry+0x9c/0x104 [ 90.524427][ T6410] f2fs_fh_to_dentry+0x44/0x58 [ 90.525229][ T6410] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.526126][ T6410] exportfs_decode_fh+0x50/0x80 [ 90.526953][ T6410] do_handle_open+0x530/0x924 [ 90.527791][ T6410] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.528804][ T6410] invoke_syscall+0x98/0x2b0 [ 90.529538][ T6410] el0_svc_common+0x138/0x258 [ 90.530258][ T6410] do_el0_svc+0x58/0x13c [ 90.531005][ T6410] el0_svc+0x78/0x1d0 [ 90.531716][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 90.532641][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 90.544696][ T6418] F2FS-fs (loop3): Found nat_bits in checkpoint [ 90.548091][ T6435] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.549351][ T6435] CPU: 1 PID: 6435 Comm: syz.0.146 Tainted: G B syzkaller #0 [ 90.550873][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.552556][ T6435] Call trace: [ 90.553193][ T6435] dump_backtrace+0x0/0x458 [ 90.553920][ T6435] show_stack+0x2c/0x3c [ 90.554577][ T6435] __dump_stack+0x30/0x40 [ 90.555388][ T6435] dump_stack_lvl+0xf4/0x15c [ 90.556220][ T6435] dump_stack+0x1c/0x5c [ 90.556981][ T6435] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.557949][ T6435] f2fs_iget+0x1b2c/0x5110 [ 90.558707][ T6435] f2fs_nfs_get_inode+0x80/0x118 [ 90.559641][ T6435] generic_fh_to_dentry+0x9c/0x104 [ 90.559710][ T6418] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 90.560604][ T6435] f2fs_fh_to_dentry+0x44/0x58 [ 90.562641][ T6435] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.563509][ T6435] exportfs_decode_fh+0x50/0x80 [ 90.564376][ T6435] do_handle_open+0x530/0x924 [ 90.565180][ T6435] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.566188][ T6435] invoke_syscall+0x98/0x2b0 [ 90.566938][ T6435] el0_svc_common+0x138/0x258 [ 90.567713][ T6435] do_el0_svc+0x58/0x13c [ 90.568452][ T6435] el0_svc+0x78/0x1d0 [ 90.569116][ T6435] el0t_64_sync_handler+0xcc/0xe4 [ 90.570027][ T6435] el0t_64_sync+0x1a0/0x1a4 [ 90.571668][ T6410] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.573840][ T6418] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.575138][ T6435] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.577154][ T6418] CPU: 0 PID: 6418 Comm: syz.3.147 Tainted: G B syzkaller #0 [ 90.578530][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.580242][ T6418] Call trace: [ 90.580790][ T6418] dump_backtrace+0x0/0x458 [ 90.581493][ T6418] show_stack+0x2c/0x3c [ 90.582231][ T6418] __dump_stack+0x30/0x40 [ 90.582944][ T6418] dump_stack_lvl+0xf4/0x15c [ 90.583682][ T6418] dump_stack+0x1c/0x5c [ 90.584456][ T6418] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.585419][ T6418] f2fs_iget+0x1b2c/0x5110 [ 90.586215][ T6418] f2fs_nfs_get_inode+0x80/0x118 [ 90.587054][ T6418] generic_fh_to_dentry+0x9c/0x104 [ 90.587927][ T6418] f2fs_fh_to_dentry+0x44/0x58 [ 90.588665][ T6418] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.589613][ T6418] exportfs_decode_fh+0x50/0x80 [ 90.590456][ T6418] do_handle_open+0x530/0x924 [ 90.591319][ T6418] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.592277][ T6418] invoke_syscall+0x98/0x2b0 [ 90.593016][ T6418] el0_svc_common+0x138/0x258 [ 90.593818][ T6418] do_el0_svc+0x58/0x13c [ 90.594513][ T6418] el0_svc+0x78/0x1d0 [ 90.595228][ T6418] el0t_64_sync_handler+0xcc/0xe4 [ 90.596107][ T6418] el0t_64_sync+0x1a0/0x1a4 [ 90.600581][ T6418] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.607026][ T6418] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.608350][ T6418] CPU: 0 PID: 6418 Comm: syz.3.147 Tainted: G B syzkaller #0 [ 90.609928][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.611695][ T6418] Call trace: [ 90.612266][ T6418] dump_backtrace+0x0/0x458 [ 90.613084][ T6418] show_stack+0x2c/0x3c [ 90.613859][ T6418] __dump_stack+0x30/0x40 [ 90.614644][ T6418] dump_stack_lvl+0xf4/0x15c [ 90.615454][ T6418] dump_stack+0x1c/0x5c [ 90.616105][ T6418] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.616948][ T6418] f2fs_iget+0x1b2c/0x5110 [ 90.617671][ T6418] f2fs_nfs_get_inode+0x80/0x118 [ 90.618551][ T6418] generic_fh_to_dentry+0x9c/0x104 [ 90.619482][ T6418] f2fs_fh_to_dentry+0x44/0x58 [ 90.620330][ T6418] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.621271][ T6418] exportfs_decode_fh+0x50/0x80 [ 90.622154][ T6418] do_handle_open+0x530/0x924 [ 90.622942][ T6418] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.623991][ T6418] invoke_syscall+0x98/0x2b0 [ 90.624804][ T6418] el0_svc_common+0x138/0x258 [ 90.625651][ T6418] do_el0_svc+0x58/0x13c [ 90.626352][ T6418] el0_svc+0x78/0x1d0 [ 90.627011][ T6418] el0t_64_sync_handler+0xcc/0xe4 [ 90.627827][ T6418] el0t_64_sync+0x1a0/0x1a4 [ 90.628909][ T6421] F2FS-fs (loop2): Found nat_bits in checkpoint [ 90.639565][ T6418] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.658967][ T6421] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 90.660872][ T6421] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.662081][ T6421] CPU: 0 PID: 6421 Comm: syz.2.148 Tainted: G B syzkaller #0 [ 90.663601][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.665321][ T6421] Call trace: [ 90.665902][ T6421] dump_backtrace+0x0/0x458 [ 90.666656][ T6421] show_stack+0x2c/0x3c [ 90.667369][ T6421] __dump_stack+0x30/0x40 [ 90.668113][ T6421] dump_stack_lvl+0xf4/0x15c [ 90.668872][ T6421] dump_stack+0x1c/0x5c [ 90.669535][ T6421] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.670457][ T6421] f2fs_iget+0x1b2c/0x5110 [ 90.671221][ T6421] f2fs_nfs_get_inode+0x80/0x118 [ 90.671987][ T6421] generic_fh_to_dentry+0x9c/0x104 [ 90.672872][ T6421] f2fs_fh_to_dentry+0x44/0x58 [ 90.673699][ T6421] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.674598][ T6421] exportfs_decode_fh+0x50/0x80 [ 90.675386][ T6421] do_handle_open+0x530/0x924 [ 90.676152][ T6421] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.677105][ T6421] invoke_syscall+0x98/0x2b0 [ 90.677853][ T6421] el0_svc_common+0x138/0x258 [ 90.678605][ T6421] do_el0_svc+0x58/0x13c [ 90.679328][ T6421] el0_svc+0x78/0x1d0 [ 90.680056][ T6421] el0t_64_sync_handler+0xcc/0xe4 [ 90.680950][ T6421] el0t_64_sync+0x1a0/0x1a4 [ 90.713389][ T6421] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.718784][ T6445] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.720033][ T6445] CPU: 0 PID: 6445 Comm: syz.2.148 Tainted: G B syzkaller #0 [ 90.721520][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.723167][ T6445] Call trace: [ 90.723825][ T6445] dump_backtrace+0x0/0x458 [ 90.724604][ T6445] show_stack+0x2c/0x3c [ 90.725286][ T6445] __dump_stack+0x30/0x40 [ 90.726039][ T6445] dump_stack_lvl+0xf4/0x15c [ 90.726769][ T6445] dump_stack+0x1c/0x5c [ 90.727460][ T6445] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.728385][ T6445] f2fs_iget+0x1b2c/0x5110 [ 90.729137][ T6445] f2fs_nfs_get_inode+0x80/0x118 [ 90.729979][ T6445] generic_fh_to_dentry+0x9c/0x104 [ 90.730923][ T6445] f2fs_fh_to_dentry+0x44/0x58 [ 90.731748][ T6445] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.732727][ T6445] exportfs_decode_fh+0x50/0x80 [ 90.733558][ T6445] do_handle_open+0x530/0x924 [ 90.734356][ T6445] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.735338][ T6445] invoke_syscall+0x98/0x2b0 [ 90.736161][ T6445] el0_svc_common+0x138/0x258 [ 90.736994][ T6445] do_el0_svc+0x58/0x13c [ 90.737726][ T6445] el0_svc+0x78/0x1d0 [ 90.738425][ T6445] el0t_64_sync_handler+0xcc/0xe4 [ 90.739317][ T6445] el0t_64_sync+0x1a0/0x1a4 [ 90.751652][ T6423] F2FS-fs (loop4): Found nat_bits in checkpoint [ 90.769443][ T6423] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 90.771210][ T6423] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.772415][ T6423] CPU: 0 PID: 6423 Comm: syz.4.149 Tainted: G B syzkaller #0 [ 90.773785][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.775522][ T6423] Call trace: [ 90.776063][ T6423] dump_backtrace+0x0/0x458 [ 90.776894][ T6423] show_stack+0x2c/0x3c [ 90.777569][ T6423] __dump_stack+0x30/0x40 [ 90.778326][ T6423] dump_stack_lvl+0xf4/0x15c [ 90.779105][ T6423] dump_stack+0x1c/0x5c [ 90.779927][ T6423] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.780819][ T6423] f2fs_iget+0x1b2c/0x5110 [ 90.781559][ T6423] f2fs_nfs_get_inode+0x80/0x118 [ 90.782360][ T6423] generic_fh_to_dentry+0x9c/0x104 [ 90.783252][ T6423] f2fs_fh_to_dentry+0x44/0x58 [ 90.784049][ T6423] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.784934][ T6423] exportfs_decode_fh+0x50/0x80 [ 90.785729][ T6423] do_handle_open+0x530/0x924 [ 90.786539][ T6423] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.787512][ T6423] invoke_syscall+0x98/0x2b0 [ 90.788328][ T6423] el0_svc_common+0x138/0x258 [ 90.789133][ T6423] do_el0_svc+0x58/0x13c [ 90.789901][ T6423] el0_svc+0x78/0x1d0 [ 90.790576][ T6423] el0t_64_sync_handler+0xcc/0xe4 [ 90.791396][ T6423] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:30 executed programs: 147 [ 90.804487][ T6445] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.847612][ T6423] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 90.851115][ T6454] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 90.852520][ T6454] CPU: 0 PID: 6454 Comm: syz.4.149 Tainted: G B syzkaller #0 [ 90.854001][ T6454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.855700][ T6454] Call trace: [ 90.856233][ T6454] dump_backtrace+0x0/0x458 [ 90.857034][ T6454] show_stack+0x2c/0x3c [ 90.857745][ T6454] __dump_stack+0x30/0x40 [ 90.858477][ T6454] dump_stack_lvl+0xf4/0x15c [ 90.859317][ T6454] dump_stack+0x1c/0x5c [ 90.860021][ T6454] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 90.860988][ T6454] f2fs_iget+0x1b2c/0x5110 [ 90.861746][ T6454] f2fs_nfs_get_inode+0x80/0x118 [ 90.862585][ T6454] generic_fh_to_dentry+0x9c/0x104 [ 90.863462][ T6454] f2fs_fh_to_dentry+0x44/0x58 [ 90.864286][ T6454] exportfs_decode_fh_raw+0x13c/0x4e8 [ 90.865243][ T6454] exportfs_decode_fh+0x50/0x80 [ 90.866103][ T6454] do_handle_open+0x530/0x924 [ 90.866902][ T6454] __arm64_sys_open_by_handle_at+0x80/0x94 [ 90.867899][ T6454] invoke_syscall+0x98/0x2b0 [ 90.868696][ T6454] el0_svc_common+0x138/0x258 [ 90.869577][ T6454] do_el0_svc+0x58/0x13c [ 90.870338][ T6454] el0_svc+0x78/0x1d0 [ 90.871054][ T6454] el0t_64_sync_handler+0xcc/0xe4 [ 90.871942][ T6454] el0t_64_sync+0x1a0/0x1a4 [ 90.893786][ T6454] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.050747][ T6451] F2FS-fs (loop0): Found nat_bits in checkpoint [ 91.066140][ T6451] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 91.068198][ T6451] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.069355][ T6451] CPU: 0 PID: 6451 Comm: syz.0.150 Tainted: G B syzkaller #0 [ 91.070746][ T6451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.072418][ T6451] Call trace: [ 91.073040][ T6451] dump_backtrace+0x0/0x458 [ 91.073826][ T6451] show_stack+0x2c/0x3c [ 91.074562][ T6451] __dump_stack+0x30/0x40 [ 91.075271][ T6451] dump_stack_lvl+0xf4/0x15c [ 91.076066][ T6451] dump_stack+0x1c/0x5c [ 91.076789][ T6451] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.077718][ T6451] f2fs_iget+0x1b2c/0x5110 [ 91.078514][ T6451] f2fs_nfs_get_inode+0x80/0x118 [ 91.079386][ T6451] generic_fh_to_dentry+0x9c/0x104 [ 91.080325][ T6451] f2fs_fh_to_dentry+0x44/0x58 [ 91.081204][ T6451] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.082132][ T6451] exportfs_decode_fh+0x50/0x80 [ 91.083054][ T6451] do_handle_open+0x530/0x924 [ 91.083891][ T6451] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.084999][ T6451] invoke_syscall+0x98/0x2b0 [ 91.085810][ T6451] el0_svc_common+0x138/0x258 [ 91.086655][ T6451] do_el0_svc+0x58/0x13c [ 91.087466][ T6451] el0_svc+0x78/0x1d0 [ 91.088157][ T6451] el0t_64_sync_handler+0xcc/0xe4 [ 91.089015][ T6451] el0t_64_sync+0x1a0/0x1a4 [ 91.105272][ T6448] F2FS-fs (loop1): Found nat_bits in checkpoint [ 91.117986][ T6453] F2FS-fs (loop3): Found nat_bits in checkpoint [ 91.121001][ T6451] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.125348][ T6470] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.126766][ T6448] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 91.128721][ T6448] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.129892][ T6448] CPU: 0 PID: 6448 Comm: syz.1.153 Tainted: G B syzkaller #0 [ 91.131245][ T6448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.132980][ T6448] Call trace: [ 91.133508][ T6448] dump_backtrace+0x0/0x458 [ 91.134239][ T6448] show_stack+0x2c/0x3c [ 91.134910][ T6448] __dump_stack+0x30/0x40 [ 91.135635][ T6448] dump_stack_lvl+0xf4/0x15c [ 91.136353][ T6448] dump_stack+0x1c/0x5c [ 91.137020][ T6448] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.137992][ T6448] f2fs_iget+0x1b2c/0x5110 [ 91.138776][ T6448] f2fs_nfs_get_inode+0x80/0x118 [ 91.139618][ T6448] generic_fh_to_dentry+0x9c/0x104 [ 91.140476][ T6448] f2fs_fh_to_dentry+0x44/0x58 [ 91.141243][ T6448] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.142132][ T6448] exportfs_decode_fh+0x50/0x80 [ 91.142951][ T6448] do_handle_open+0x530/0x924 [ 91.143691][ T6448] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.144687][ T6448] invoke_syscall+0x98/0x2b0 [ 91.145516][ T6448] el0_svc_common+0x138/0x258 [ 91.146320][ T6448] do_el0_svc+0x58/0x13c [ 91.147093][ T6448] el0_svc+0x78/0x1d0 [ 91.147797][ T6448] el0t_64_sync_handler+0xcc/0xe4 [ 91.148665][ T6448] el0t_64_sync+0x1a0/0x1a4 [ 91.152590][ T6470] CPU: 0 PID: 6470 Comm: syz.0.150 Tainted: G B syzkaller #0 [ 91.154095][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.155707][ T6470] Call trace: [ 91.156213][ T6470] dump_backtrace+0x0/0x458 [ 91.156940][ T6470] show_stack+0x2c/0x3c [ 91.157666][ T6470] __dump_stack+0x30/0x40 [ 91.158413][ T6470] dump_stack_lvl+0xf4/0x15c [ 91.159154][ T6470] dump_stack+0x1c/0x5c [ 91.159829][ T6470] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.160822][ T6470] f2fs_iget+0x1b2c/0x5110 [ 91.161601][ T6470] f2fs_nfs_get_inode+0x80/0x118 [ 91.162419][ T6470] generic_fh_to_dentry+0x9c/0x104 [ 91.163337][ T6470] f2fs_fh_to_dentry+0x44/0x58 [ 91.164182][ T6470] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.165089][ T6470] exportfs_decode_fh+0x50/0x80 [ 91.165878][ T6470] do_handle_open+0x530/0x924 [ 91.166719][ T6470] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.167730][ T6470] invoke_syscall+0x98/0x2b0 [ 91.168500][ T6470] el0_svc_common+0x138/0x258 [ 91.169305][ T6470] do_el0_svc+0x58/0x13c [ 91.170021][ T6470] el0_svc+0x78/0x1d0 [ 91.170692][ T6470] el0t_64_sync_handler+0xcc/0xe4 [ 91.171544][ T6470] el0t_64_sync+0x1a0/0x1a4 [ 91.178755][ T6453] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 91.180992][ T6453] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.182295][ T6453] CPU: 1 PID: 6453 Comm: syz.3.152 Tainted: G B syzkaller #0 [ 91.183689][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.185537][ T6453] Call trace: [ 91.186103][ T6453] dump_backtrace+0x0/0x458 [ 91.186987][ T6453] show_stack+0x2c/0x3c [ 91.187727][ T6453] __dump_stack+0x30/0x40 [ 91.188485][ T6453] dump_stack_lvl+0xf4/0x15c [ 91.189297][ T6453] dump_stack+0x1c/0x5c [ 91.189500][ T6470] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.190035][ T6453] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.192955][ T6453] f2fs_iget+0x1b2c/0x5110 [ 91.193740][ T6453] f2fs_nfs_get_inode+0x80/0x118 [ 91.194577][ T6453] generic_fh_to_dentry+0x9c/0x104 [ 91.195307][ T6448] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.195531][ T6453] f2fs_fh_to_dentry+0x44/0x58 [ 91.198096][ T6453] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.199034][ T6453] exportfs_decode_fh+0x50/0x80 [ 91.199942][ T6453] do_handle_open+0x530/0x924 [ 91.200759][ T6453] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.201769][ T6453] invoke_syscall+0x98/0x2b0 [ 91.202585][ T6453] el0_svc_common+0x138/0x258 [ 91.203412][ T6453] do_el0_svc+0x58/0x13c [ 91.204408][ T6453] el0_svc+0x78/0x1d0 [ 91.205126][ T6453] el0t_64_sync_handler+0xcc/0xe4 [ 91.206033][ T6453] el0t_64_sync+0x1a0/0x1a4 [ 91.208808][ T6472] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.210120][ T6472] CPU: 1 PID: 6472 Comm: syz.1.153 Tainted: G B syzkaller #0 [ 91.211470][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.213269][ T6472] Call trace: [ 91.213817][ T6472] dump_backtrace+0x0/0x458 [ 91.214625][ T6472] show_stack+0x2c/0x3c [ 91.215357][ T6472] __dump_stack+0x30/0x40 [ 91.216100][ T6472] dump_stack_lvl+0xf4/0x15c [ 91.216925][ T6472] dump_stack+0x1c/0x5c [ 91.217646][ T6472] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.218536][ T6472] f2fs_iget+0x1b2c/0x5110 [ 91.219271][ T6472] f2fs_nfs_get_inode+0x80/0x118 [ 91.220202][ T6472] generic_fh_to_dentry+0x9c/0x104 [ 91.221162][ T6472] f2fs_fh_to_dentry+0x44/0x58 [ 91.221991][ T6472] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.222934][ T6472] exportfs_decode_fh+0x50/0x80 [ 91.223734][ T6472] do_handle_open+0x530/0x924 [ 91.224573][ T6472] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.225683][ T6472] invoke_syscall+0x98/0x2b0 [ 91.226545][ T6472] el0_svc_common+0x138/0x258 [ 91.227400][ T6472] do_el0_svc+0x58/0x13c [ 91.228121][ T6472] el0_svc+0x78/0x1d0 [ 91.228782][ T6472] el0t_64_sync_handler+0xcc/0xe4 [ 91.229606][ T6472] el0t_64_sync+0x1a0/0x1a4 [ 91.231912][ T6453] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.234045][ T6472] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.242605][ T6473] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.243879][ T6473] CPU: 0 PID: 6473 Comm: syz.3.152 Tainted: G B syzkaller #0 [ 91.245409][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.247147][ T6473] Call trace: [ 91.247699][ T6473] dump_backtrace+0x0/0x458 [ 91.248466][ T6473] show_stack+0x2c/0x3c [ 91.249190][ T6473] __dump_stack+0x30/0x40 [ 91.249957][ T6473] dump_stack_lvl+0xf4/0x15c [ 91.250722][ T6473] dump_stack+0x1c/0x5c [ 91.251427][ T6473] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.252328][ T6473] f2fs_iget+0x1b2c/0x5110 [ 91.253075][ T6473] f2fs_nfs_get_inode+0x80/0x118 [ 91.253898][ T6473] generic_fh_to_dentry+0x9c/0x104 [ 91.254706][ T6473] f2fs_fh_to_dentry+0x44/0x58 [ 91.255531][ T6473] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.256422][ T6473] exportfs_decode_fh+0x50/0x80 [ 91.257268][ T6473] do_handle_open+0x530/0x924 [ 91.258081][ T6473] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.259137][ T6473] invoke_syscall+0x98/0x2b0 [ 91.259904][ T6473] el0_svc_common+0x138/0x258 [ 91.260773][ T6473] do_el0_svc+0x58/0x13c [ 91.261472][ T6473] el0_svc+0x78/0x1d0 [ 91.262183][ T6473] el0t_64_sync_handler+0xcc/0xe4 [ 91.263076][ T6473] el0t_64_sync+0x1a0/0x1a4 [ 91.266427][ T6473] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.297686][ T6456] F2FS-fs (loop2): Found nat_bits in checkpoint [ 91.304795][ T6456] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 91.307054][ T6456] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.308343][ T6456] CPU: 0 PID: 6456 Comm: syz.2.154 Tainted: G B syzkaller #0 [ 91.309710][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.311498][ T6456] Call trace: [ 91.312023][ T6456] dump_backtrace+0x0/0x458 [ 91.312728][ T6456] show_stack+0x2c/0x3c [ 91.313397][ T6456] __dump_stack+0x30/0x40 [ 91.314143][ T6456] dump_stack_lvl+0xf4/0x15c [ 91.314975][ T6456] dump_stack+0x1c/0x5c [ 91.315694][ T6456] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.316624][ T6456] f2fs_iget+0x1b2c/0x5110 [ 91.317376][ T6456] f2fs_nfs_get_inode+0x80/0x118 [ 91.318250][ T6456] generic_fh_to_dentry+0x9c/0x104 [ 91.319202][ T6456] f2fs_fh_to_dentry+0x44/0x58 [ 91.320002][ T6456] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.320892][ T6456] exportfs_decode_fh+0x50/0x80 [ 91.321737][ T6456] do_handle_open+0x530/0x924 [ 91.322476][ T6456] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.323420][ T6456] invoke_syscall+0x98/0x2b0 [ 91.324229][ T6456] el0_svc_common+0x138/0x258 [ 91.325104][ T6456] do_el0_svc+0x58/0x13c [ 91.325847][ T6456] el0_svc+0x78/0x1d0 [ 91.326478][ T6456] el0t_64_sync_handler+0xcc/0xe4 [ 91.327382][ T6456] el0t_64_sync+0x1a0/0x1a4 [ 91.333335][ T6456] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.337426][ T6456] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.338740][ T6456] CPU: 1 PID: 6456 Comm: syz.2.154 Tainted: G B syzkaller #0 [ 91.340333][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.342077][ T6456] Call trace: [ 91.342630][ T6456] dump_backtrace+0x0/0x458 [ 91.343436][ T6456] show_stack+0x2c/0x3c [ 91.344143][ T6456] __dump_stack+0x30/0x40 [ 91.344865][ T6456] dump_stack_lvl+0xf4/0x15c [ 91.345719][ T6456] dump_stack+0x1c/0x5c [ 91.346454][ T6456] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.347417][ T6456] f2fs_iget+0x1b2c/0x5110 [ 91.348214][ T6456] f2fs_nfs_get_inode+0x80/0x118 [ 91.349053][ T6456] generic_fh_to_dentry+0x9c/0x104 [ 91.349903][ T6456] f2fs_fh_to_dentry+0x44/0x58 [ 91.350749][ T6456] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.351624][ T6456] exportfs_decode_fh+0x50/0x80 [ 91.352458][ T6456] do_handle_open+0x530/0x924 [ 91.353282][ T6456] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.354314][ T6456] invoke_syscall+0x98/0x2b0 [ 91.355100][ T6456] el0_svc_common+0x138/0x258 [ 91.355942][ T6456] do_el0_svc+0x58/0x13c [ 91.356651][ T6456] el0_svc+0x78/0x1d0 [ 91.357366][ T6456] el0t_64_sync_handler+0xcc/0xe4 [ 91.358262][ T6456] el0t_64_sync+0x1a0/0x1a4 [ 91.384764][ T6456] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.395427][ T6461] F2FS-fs (loop4): Found nat_bits in checkpoint [ 91.419825][ T6461] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 91.421700][ T6461] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.423049][ T6461] CPU: 1 PID: 6461 Comm: syz.4.155 Tainted: G B syzkaller #0 [ 91.424515][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.426395][ T6461] Call trace: [ 91.426923][ T6461] dump_backtrace+0x0/0x458 [ 91.427695][ T6461] show_stack+0x2c/0x3c [ 91.428396][ T6461] __dump_stack+0x30/0x40 [ 91.429122][ T6461] dump_stack_lvl+0xf4/0x15c [ 91.429966][ T6461] dump_stack+0x1c/0x5c [ 91.430629][ T6461] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.431502][ T6461] f2fs_iget+0x1b2c/0x5110 [ 91.432247][ T6461] f2fs_nfs_get_inode+0x80/0x118 [ 91.433089][ T6461] generic_fh_to_dentry+0x9c/0x104 [ 91.433925][ T6461] f2fs_fh_to_dentry+0x44/0x58 [ 91.434727][ T6461] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.435686][ T6461] exportfs_decode_fh+0x50/0x80 [ 91.436480][ T6461] do_handle_open+0x530/0x924 [ 91.437239][ T6461] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.438195][ T6461] invoke_syscall+0x98/0x2b0 [ 91.438923][ T6461] el0_svc_common+0x138/0x258 [ 91.439758][ T6461] do_el0_svc+0x58/0x13c [ 91.440498][ T6461] el0_svc+0x78/0x1d0 [ 91.441172][ T6461] el0t_64_sync_handler+0xcc/0xe4 [ 91.442020][ T6461] el0t_64_sync+0x1a0/0x1a4 [ 91.456632][ T6461] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.468308][ T6461] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.469686][ T6461] CPU: 1 PID: 6461 Comm: syz.4.155 Tainted: G B syzkaller #0 [ 91.471104][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.472822][ T6461] Call trace: [ 91.473356][ T6461] dump_backtrace+0x0/0x458 [ 91.474177][ T6461] show_stack+0x2c/0x3c [ 91.474988][ T6461] __dump_stack+0x30/0x40 [ 91.475731][ T6461] dump_stack_lvl+0xf4/0x15c [ 91.476497][ T6461] dump_stack+0x1c/0x5c [ 91.477265][ T6461] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.478250][ T6461] f2fs_iget+0x1b2c/0x5110 [ 91.479041][ T6461] f2fs_nfs_get_inode+0x80/0x118 [ 91.479880][ T6461] generic_fh_to_dentry+0x9c/0x104 [ 91.480807][ T6461] f2fs_fh_to_dentry+0x44/0x58 [ 91.481658][ T6461] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.482608][ T6461] exportfs_decode_fh+0x50/0x80 [ 91.483460][ T6461] do_handle_open+0x530/0x924 [ 91.484273][ T6461] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.485281][ T6461] invoke_syscall+0x98/0x2b0 [ 91.486099][ T6461] el0_svc_common+0x138/0x258 [ 91.486941][ T6461] do_el0_svc+0x58/0x13c [ 91.487695][ T6461] el0_svc+0x78/0x1d0 [ 91.488392][ T6461] el0t_64_sync_handler+0xcc/0xe4 [ 91.489325][ T6461] el0t_64_sync+0x1a0/0x1a4 [ 91.520773][ T6461] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.702278][ T6480] F2FS-fs (loop0): Found nat_bits in checkpoint [ 91.727701][ T6486] F2FS-fs (loop3): Found nat_bits in checkpoint [ 91.734341][ T6480] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 91.736225][ T6480] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.737627][ T6480] CPU: 1 PID: 6480 Comm: syz.0.156 Tainted: G B syzkaller #0 [ 91.739237][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.740978][ T6480] Call trace: [ 91.741562][ T6480] dump_backtrace+0x0/0x458 [ 91.742332][ T6480] show_stack+0x2c/0x3c [ 91.743037][ T6480] __dump_stack+0x30/0x40 [ 91.743810][ T6480] dump_stack_lvl+0xf4/0x15c [ 91.744630][ T6480] dump_stack+0x1c/0x5c [ 91.745438][ T6480] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.746351][ T6480] f2fs_iget+0x1b2c/0x5110 [ 91.747158][ T6480] f2fs_nfs_get_inode+0x80/0x118 [ 91.748090][ T6480] generic_fh_to_dentry+0x9c/0x104 [ 91.749040][ T6480] f2fs_fh_to_dentry+0x44/0x58 [ 91.749856][ T6480] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.750774][ T6480] exportfs_decode_fh+0x50/0x80 [ 91.751643][ T6480] do_handle_open+0x530/0x924 [ 91.752456][ T6480] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.753554][ T6480] invoke_syscall+0x98/0x2b0 [ 91.754355][ T6480] el0_svc_common+0x138/0x258 [ 91.755158][ T6480] do_el0_svc+0x58/0x13c [ 91.755911][ T6480] el0_svc+0x78/0x1d0 [ 91.756593][ T6480] el0t_64_sync_handler+0xcc/0xe4 [ 91.757470][ T6480] el0t_64_sync+0x1a0/0x1a4 [ 91.762744][ T6486] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 91.764745][ T6486] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.766711][ T6486] CPU: 1 PID: 6486 Comm: syz.3.158 Tainted: G B syzkaller #0 [ 91.768222][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.770016][ T6486] Call trace: [ 91.770562][ T6486] dump_backtrace+0x0/0x458 [ 91.771336][ T6480] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.771355][ T6486] show_stack+0x2c/0x3c [ 91.773942][ T6486] __dump_stack+0x30/0x40 [ 91.774666][ T6486] dump_stack_lvl+0xf4/0x15c [ 91.775459][ T6486] dump_stack+0x1c/0x5c [ 91.776124][ T6486] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.777034][ T6486] f2fs_iget+0x1b2c/0x5110 [ 91.777785][ T6486] f2fs_nfs_get_inode+0x80/0x118 [ 91.778575][ T6486] generic_fh_to_dentry+0x9c/0x104 [ 91.779463][ T6486] f2fs_fh_to_dentry+0x44/0x58 [ 91.779588][ T6489] F2FS-fs (loop1): Found nat_bits in checkpoint [ 91.780305][ T6486] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.782241][ T6486] exportfs_decode_fh+0x50/0x80 [ 91.783033][ T6486] do_handle_open+0x530/0x924 [ 91.783798][ T6486] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.784705][ T6486] invoke_syscall+0x98/0x2b0 [ 91.785390][ T6486] el0_svc_common+0x138/0x258 [ 91.786144][ T6486] do_el0_svc+0x58/0x13c [ 91.786898][ T6486] el0_svc+0x78/0x1d0 [ 91.787576][ T6486] el0t_64_sync_handler+0xcc/0xe4 [ 91.788425][ T6486] el0t_64_sync+0x1a0/0x1a4 [ 91.790806][ T6486] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.791477][ T6489] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 91.793029][ T6486] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.796011][ T6486] CPU: 1 PID: 6486 Comm: syz.3.158 Tainted: G B syzkaller #0 [ 91.797468][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.799233][ T6486] Call trace: [ 91.799773][ T6486] dump_backtrace+0x0/0x458 [ 91.800566][ T6486] show_stack+0x2c/0x3c [ 91.801257][ T6486] __dump_stack+0x30/0x40 [ 91.801699][ T6480] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.801991][ T6486] dump_stack_lvl+0xf4/0x15c [ 91.804042][ T6486] dump_stack+0x1c/0x5c [ 91.804772][ T6486] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.805717][ T6486] f2fs_iget+0x1b2c/0x5110 [ 91.806493][ T6486] f2fs_nfs_get_inode+0x80/0x118 [ 91.807343][ T6486] generic_fh_to_dentry+0x9c/0x104 [ 91.808198][ T6486] f2fs_fh_to_dentry+0x44/0x58 [ 91.809028][ T6486] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.809934][ T6486] exportfs_decode_fh+0x50/0x80 [ 91.810744][ T6486] do_handle_open+0x530/0x924 [ 91.810833][ T6489] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.811524][ T6486] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.813874][ T6486] invoke_syscall+0x98/0x2b0 [ 91.814635][ T6486] el0_svc_common+0x138/0x258 [ 91.815460][ T6486] do_el0_svc+0x58/0x13c [ 91.816118][ T6486] el0_svc+0x78/0x1d0 [ 91.816764][ T6486] el0t_64_sync_handler+0xcc/0xe4 [ 91.817653][ T6486] el0t_64_sync+0x1a0/0x1a4 [ 91.818381][ T6489] CPU: 0 PID: 6489 Comm: syz.1.157 Tainted: G B syzkaller #0 [ 91.819925][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.821570][ T6489] Call trace: [ 91.822110][ T6489] dump_backtrace+0x0/0x458 [ 91.822893][ T6489] show_stack+0x2c/0x3c [ 91.823635][ T6489] __dump_stack+0x30/0x40 [ 91.824357][ T6489] dump_stack_lvl+0xf4/0x15c [ 91.825162][ T6489] dump_stack+0x1c/0x5c [ 91.825825][ T6489] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.826712][ T6489] f2fs_iget+0x1b2c/0x5110 [ 91.827441][ T6489] f2fs_nfs_get_inode+0x80/0x118 [ 91.828261][ T6489] generic_fh_to_dentry+0x9c/0x104 [ 91.829143][ T6489] f2fs_fh_to_dentry+0x44/0x58 [ 91.829974][ T6489] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.830914][ T6489] exportfs_decode_fh+0x50/0x80 [ 91.831714][ T6489] do_handle_open+0x530/0x924 [ 91.832526][ T6489] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.833548][ T6489] invoke_syscall+0x98/0x2b0 [ 91.834274][ T6489] el0_svc_common+0x138/0x258 [ 91.834996][ T6489] do_el0_svc+0x58/0x13c [ 91.835709][ T6489] el0_svc+0x78/0x1d0 [ 91.836317][ T6489] el0t_64_sync_handler+0xcc/0xe4 [ 91.837237][ T6489] el0t_64_sync+0x1a0/0x1a4 [ 91.838068][ T6480] CPU: 1 PID: 6480 Comm: syz.0.156 Tainted: G B syzkaller #0 [ 91.839660][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.841545][ T6480] Call trace: [ 91.842111][ T6480] dump_backtrace+0x0/0x458 [ 91.842900][ T6480] show_stack+0x2c/0x3c [ 91.843631][ T6480] __dump_stack+0x30/0x40 [ 91.844422][ T6480] dump_stack_lvl+0xf4/0x15c [ 91.845203][ T6480] dump_stack+0x1c/0x5c [ 91.845936][ T6480] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.846900][ T6480] f2fs_iget+0x1b2c/0x5110 [ 91.847710][ T6480] f2fs_nfs_get_inode+0x80/0x118 [ 91.848592][ T6480] generic_fh_to_dentry+0x9c/0x104 [ 91.849483][ T6480] f2fs_fh_to_dentry+0x44/0x58 [ 91.850327][ T6480] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.851300][ T6480] exportfs_decode_fh+0x50/0x80 [ 91.852163][ T6480] do_handle_open+0x530/0x924 [ 91.853055][ T6480] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.854126][ T6480] invoke_syscall+0x98/0x2b0 [ 91.854908][ T6480] el0_svc_common+0x138/0x258 [ 91.855713][ T6480] do_el0_svc+0x58/0x13c [ 91.856407][ T6480] el0_svc+0x78/0x1d0 [ 91.857119][ T6480] el0t_64_sync_handler+0xcc/0xe4 [ 91.858024][ T6480] el0t_64_sync+0x1a0/0x1a4 [ 91.862642][ T6487] F2FS-fs (loop2): Found nat_bits in checkpoint [ 91.869901][ T6486] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.870555][ T6489] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.874416][ T6487] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 91.876150][ T6491] F2FS-fs (loop4): Found nat_bits in checkpoint [ 91.876448][ T6487] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.879216][ T6487] CPU: 1 PID: 6487 Comm: syz.2.159 Tainted: G B syzkaller #0 [ 91.880816][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.882548][ T6487] Call trace: [ 91.883152][ T6510] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.883149][ T6487] dump_backtrace+0x0/0x458 [ 91.883168][ T6487] show_stack+0x2c/0x3c [ 91.886060][ T6487] __dump_stack+0x30/0x40 [ 91.886881][ T6487] dump_stack_lvl+0xf4/0x15c [ 91.887688][ T6487] dump_stack+0x1c/0x5c [ 91.888419][ T6487] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.889323][ T6487] f2fs_iget+0x1b2c/0x5110 [ 91.890051][ T6487] f2fs_nfs_get_inode+0x80/0x118 [ 91.890829][ T6487] generic_fh_to_dentry+0x9c/0x104 [ 91.891710][ T6487] f2fs_fh_to_dentry+0x44/0x58 [ 91.892526][ T6487] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.893456][ T6487] exportfs_decode_fh+0x50/0x80 [ 91.894234][ T6487] do_handle_open+0x530/0x924 [ 91.895049][ T6487] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.896056][ T6487] invoke_syscall+0x98/0x2b0 [ 91.896839][ T6487] el0_svc_common+0x138/0x258 [ 91.897698][ T6487] do_el0_svc+0x58/0x13c [ 91.898423][ T6487] el0_svc+0x78/0x1d0 [ 91.899070][ T6487] el0t_64_sync_handler+0xcc/0xe4 [ 91.899999][ T6487] el0t_64_sync+0x1a0/0x1a4 [ 91.903393][ T6510] CPU: 0 PID: 6510 Comm: syz.1.157 Tainted: G B syzkaller #0 [ 91.904892][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.906627][ T6510] Call trace: [ 91.907148][ T6510] dump_backtrace+0x0/0x458 [ 91.907887][ T6510] show_stack+0x2c/0x3c [ 91.908596][ T6510] __dump_stack+0x30/0x40 [ 91.909324][ T6510] dump_stack_lvl+0xf4/0x15c [ 91.910140][ T6510] dump_stack+0x1c/0x5c [ 91.910831][ T6510] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.911764][ T6510] f2fs_iget+0x1b2c/0x5110 [ 91.912502][ T6510] f2fs_nfs_get_inode+0x80/0x118 [ 91.913351][ T6510] generic_fh_to_dentry+0x9c/0x104 [ 91.914140][ T6480] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.914240][ T6510] f2fs_fh_to_dentry+0x44/0x58 [ 91.916986][ T6510] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.917889][ T6510] exportfs_decode_fh+0x50/0x80 [ 91.918747][ T6510] do_handle_open+0x530/0x924 [ 91.919557][ T6510] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.919719][ T6487] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.920571][ T6510] invoke_syscall+0x98/0x2b0 [ 91.922816][ T6487] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.923239][ T6510] el0_svc_common+0x138/0x258 [ 91.925280][ T6510] do_el0_svc+0x58/0x13c [ 91.926254][ T6510] el0_svc+0x78/0x1d0 [ 91.926886][ T6510] el0t_64_sync_handler+0xcc/0xe4 [ 91.927772][ T6510] el0t_64_sync+0x1a0/0x1a4 [ 91.928573][ T6487] CPU: 1 PID: 6487 Comm: syz.2.159 Tainted: G B syzkaller #0 [ 91.930136][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.931848][ T6487] Call trace: [ 91.932417][ T6487] dump_backtrace+0x0/0x458 [ 91.932737][ T6491] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 91.933148][ T6487] show_stack+0x2c/0x3c [ 91.935117][ T6487] __dump_stack+0x30/0x40 [ 91.935807][ T6487] dump_stack_lvl+0xf4/0x15c [ 91.936542][ T6487] dump_stack+0x1c/0x5c [ 91.937250][ T6487] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.938148][ T6487] f2fs_iget+0x1b2c/0x5110 [ 91.938896][ T6487] f2fs_nfs_get_inode+0x80/0x118 [ 91.939714][ T6487] generic_fh_to_dentry+0x9c/0x104 [ 91.940671][ T6487] f2fs_fh_to_dentry+0x44/0x58 [ 91.941507][ T6487] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.942429][ T6487] exportfs_decode_fh+0x50/0x80 [ 91.943320][ T6487] do_handle_open+0x530/0x924 [ 91.944117][ T6487] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.945174][ T6487] invoke_syscall+0x98/0x2b0 [ 91.946002][ T6487] el0_svc_common+0x138/0x258 [ 91.946803][ T6487] do_el0_svc+0x58/0x13c [ 91.947530][ T6487] el0_svc+0x78/0x1d0 [ 91.948228][ T6487] el0t_64_sync_handler+0xcc/0xe4 [ 91.949004][ T6487] el0t_64_sync+0x1a0/0x1a4 [ 91.951865][ T6510] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.956380][ T6491] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 91.957620][ T6491] CPU: 0 PID: 6491 Comm: syz.4.160 Tainted: G B syzkaller #0 [ 91.959168][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.960916][ T6491] Call trace: [ 91.961522][ T6491] dump_backtrace+0x0/0x458 [ 91.962314][ T6491] show_stack+0x2c/0x3c [ 91.963020][ T6491] __dump_stack+0x30/0x40 [ 91.963819][ T6491] dump_stack_lvl+0xf4/0x15c [ 91.964558][ T6491] dump_stack+0x1c/0x5c [ 91.965284][ T6491] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 91.966267][ T6491] f2fs_iget+0x1b2c/0x5110 [ 91.967093][ T6491] f2fs_nfs_get_inode+0x80/0x118 [ 91.967961][ T6491] generic_fh_to_dentry+0x9c/0x104 [ 91.968898][ T6491] f2fs_fh_to_dentry+0x44/0x58 [ 91.969745][ T6491] exportfs_decode_fh_raw+0x13c/0x4e8 [ 91.970778][ T6491] exportfs_decode_fh+0x50/0x80 [ 91.971651][ T6491] do_handle_open+0x530/0x924 [ 91.971972][ T6487] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 91.972399][ T6491] __arm64_sys_open_by_handle_at+0x80/0x94 [ 91.975248][ T6491] invoke_syscall+0x98/0x2b0 [ 91.975994][ T6491] el0_svc_common+0x138/0x258 [ 91.976770][ T6491] do_el0_svc+0x58/0x13c [ 91.977445][ T6491] el0_svc+0x78/0x1d0 [ 91.978070][ T6491] el0t_64_sync_handler+0xcc/0xe4 [ 91.978874][ T6491] el0t_64_sync+0x1a0/0x1a4 [ 92.040663][ T6491] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.043080][ T6515] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.044565][ T6515] CPU: 1 PID: 6515 Comm: syz.4.160 Tainted: G B syzkaller #0 [ 92.045889][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.047693][ T6515] Call trace: [ 92.048241][ T6515] dump_backtrace+0x0/0x458 [ 92.049010][ T6515] show_stack+0x2c/0x3c [ 92.049677][ T6515] __dump_stack+0x30/0x40 [ 92.050460][ T6515] dump_stack_lvl+0xf4/0x15c [ 92.051222][ T6515] dump_stack+0x1c/0x5c [ 92.051964][ T6515] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.052930][ T6515] f2fs_iget+0x1b2c/0x5110 [ 92.053749][ T6515] f2fs_nfs_get_inode+0x80/0x118 [ 92.054600][ T6515] generic_fh_to_dentry+0x9c/0x104 [ 92.055561][ T6515] f2fs_fh_to_dentry+0x44/0x58 [ 92.056338][ T6515] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.057244][ T6515] exportfs_decode_fh+0x50/0x80 [ 92.058095][ T6515] do_handle_open+0x530/0x924 [ 92.058926][ T6515] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.059910][ T6515] invoke_syscall+0x98/0x2b0 [ 92.060769][ T6515] el0_svc_common+0x138/0x258 [ 92.061598][ T6515] do_el0_svc+0x58/0x13c [ 92.062321][ T6515] el0_svc+0x78/0x1d0 [ 92.063002][ T6515] el0t_64_sync_handler+0xcc/0xe4 [ 92.063898][ T6515] el0t_64_sync+0x1a0/0x1a4 [ 92.106270][ T6515] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.267124][ T6514] F2FS-fs (loop3): Found nat_bits in checkpoint [ 92.278078][ T6514] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 92.279849][ T6514] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.281150][ T6514] CPU: 1 PID: 6514 Comm: syz.3.161 Tainted: G B syzkaller #0 [ 92.282533][ T6514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.284243][ T6514] Call trace: [ 92.284856][ T6514] dump_backtrace+0x0/0x458 [ 92.285637][ T6514] show_stack+0x2c/0x3c [ 92.286390][ T6514] __dump_stack+0x30/0x40 [ 92.287171][ T6514] dump_stack_lvl+0xf4/0x15c [ 92.287998][ T6514] dump_stack+0x1c/0x5c [ 92.288730][ T6514] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.289715][ T6514] f2fs_iget+0x1b2c/0x5110 [ 92.290540][ T6514] f2fs_nfs_get_inode+0x80/0x118 [ 92.291440][ T6514] generic_fh_to_dentry+0x9c/0x104 [ 92.292336][ T6514] f2fs_fh_to_dentry+0x44/0x58 [ 92.293218][ T6514] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.294161][ T6514] exportfs_decode_fh+0x50/0x80 [ 92.294945][ T6514] do_handle_open+0x530/0x924 [ 92.295727][ T6514] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.296766][ T6514] invoke_syscall+0x98/0x2b0 [ 92.297575][ T6514] el0_svc_common+0x138/0x258 [ 92.298426][ T6514] do_el0_svc+0x58/0x13c [ 92.299195][ T6514] el0_svc+0x78/0x1d0 [ 92.299928][ T6514] el0t_64_sync_handler+0xcc/0xe4 [ 92.300792][ T6514] el0t_64_sync+0x1a0/0x1a4 [ 92.321544][ T6514] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.324276][ T6514] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.325575][ T6514] CPU: 0 PID: 6514 Comm: syz.3.161 Tainted: G B syzkaller #0 [ 92.327212][ T6514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.329034][ T6514] Call trace: [ 92.329563][ T6514] dump_backtrace+0x0/0x458 [ 92.330399][ T6514] show_stack+0x2c/0x3c [ 92.331076][ T6514] __dump_stack+0x30/0x40 [ 92.331811][ T6514] dump_stack_lvl+0xf4/0x15c [ 92.332619][ T6514] dump_stack+0x1c/0x5c [ 92.333348][ T6514] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.334308][ T6514] f2fs_iget+0x1b2c/0x5110 [ 92.335036][ T6514] f2fs_nfs_get_inode+0x80/0x118 [ 92.335895][ T6514] generic_fh_to_dentry+0x9c/0x104 [ 92.336833][ T6514] f2fs_fh_to_dentry+0x44/0x58 [ 92.337631][ T6514] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.338502][ T6514] exportfs_decode_fh+0x50/0x80 [ 92.339313][ T6514] do_handle_open+0x530/0x924 [ 92.340144][ T6514] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.341117][ T6514] invoke_syscall+0x98/0x2b0 [ 92.341907][ T6514] el0_svc_common+0x138/0x258 [ 92.342675][ T6514] do_el0_svc+0x58/0x13c [ 92.343424][ T6514] el0_svc+0x78/0x1d0 [ 92.344111][ T6514] el0t_64_sync_handler+0xcc/0xe4 [ 92.344976][ T6514] el0t_64_sync+0x1a0/0x1a4 [ 92.349701][ T6519] F2FS-fs (loop2): Found nat_bits in checkpoint [ 92.364206][ T6519] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 92.366642][ T6519] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.368025][ T6519] CPU: 0 PID: 6519 Comm: syz.2.163 Tainted: G B syzkaller #0 [ 92.369497][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.371263][ T6519] Call trace: [ 92.371814][ T6519] dump_backtrace+0x0/0x458 [ 92.372684][ T6519] show_stack+0x2c/0x3c [ 92.373456][ T6519] __dump_stack+0x30/0x40 [ 92.374155][ T6519] dump_stack_lvl+0xf4/0x15c [ 92.374920][ T6519] dump_stack+0x1c/0x5c [ 92.375702][ T6519] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.376680][ T6519] f2fs_iget+0x1b2c/0x5110 [ 92.377431][ T6519] f2fs_nfs_get_inode+0x80/0x118 [ 92.378265][ T6519] generic_fh_to_dentry+0x9c/0x104 [ 92.379246][ T6519] f2fs_fh_to_dentry+0x44/0x58 [ 92.380085][ T6519] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.381009][ T6519] exportfs_decode_fh+0x50/0x80 [ 92.381874][ T6519] do_handle_open+0x530/0x924 [ 92.382699][ T6519] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.383710][ T6519] invoke_syscall+0x98/0x2b0 [ 92.384508][ T6519] el0_svc_common+0x138/0x258 [ 92.385325][ T6519] do_el0_svc+0x58/0x13c [ 92.386124][ T6519] el0_svc+0x78/0x1d0 [ 92.386812][ T6519] el0t_64_sync_handler+0xcc/0xe4 [ 92.387754][ T6519] el0t_64_sync+0x1a0/0x1a4 [ 92.402120][ T6514] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.405928][ T6519] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.406844][ T6521] F2FS-fs (loop0): Found nat_bits in checkpoint [ 92.409551][ T6517] F2FS-fs (loop1): Found nat_bits in checkpoint [ 92.427804][ T6521] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 92.431139][ T6521] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.432464][ T6521] CPU: 0 PID: 6521 Comm: syz.0.162 Tainted: G B syzkaller #0 [ 92.432484][ T6519] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.433904][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.436972][ T6521] Call trace: [ 92.437502][ T6521] dump_backtrace+0x0/0x458 [ 92.438298][ T6521] show_stack+0x2c/0x3c [ 92.438990][ T6521] __dump_stack+0x30/0x40 [ 92.439730][ T6521] dump_stack_lvl+0xf4/0x15c [ 92.440532][ T6521] dump_stack+0x1c/0x5c [ 92.441205][ T6521] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.442096][ T6521] f2fs_iget+0x1b2c/0x5110 [ 92.442838][ T6521] f2fs_nfs_get_inode+0x80/0x118 [ 92.443714][ T6521] generic_fh_to_dentry+0x9c/0x104 [ 92.444641][ T6521] f2fs_fh_to_dentry+0x44/0x58 [ 92.445459][ T6521] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.446393][ T6521] exportfs_decode_fh+0x50/0x80 [ 92.447274][ T6521] do_handle_open+0x530/0x924 [ 92.448105][ T6521] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.449136][ T6521] invoke_syscall+0x98/0x2b0 [ 92.449906][ T6521] el0_svc_common+0x138/0x258 [ 92.450703][ T6521] do_el0_svc+0x58/0x13c [ 92.451373][ T6521] el0_svc+0x78/0x1d0 [ 92.452014][ T6521] el0t_64_sync_handler+0xcc/0xe4 [ 92.452902][ T6521] el0t_64_sync+0x1a0/0x1a4 [ 92.453699][ T6519] CPU: 1 PID: 6519 Comm: syz.2.163 Tainted: G B syzkaller #0 [ 92.455170][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.456939][ T6519] Call trace: [ 92.457485][ T6519] dump_backtrace+0x0/0x458 [ 92.458077][ T6517] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 92.458254][ T6519] show_stack+0x2c/0x3c [ 92.460159][ T6519] __dump_stack+0x30/0x40 [ 92.460948][ T6519] dump_stack_lvl+0xf4/0x15c [ 92.461730][ T6519] dump_stack+0x1c/0x5c [ 92.462482][ T6519] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.463459][ T6519] f2fs_iget+0x1b2c/0x5110 [ 92.464260][ T6519] f2fs_nfs_get_inode+0x80/0x118 [ 92.465154][ T6519] generic_fh_to_dentry+0x9c/0x104 [ 92.466040][ T6519] f2fs_fh_to_dentry+0x44/0x58 [ 92.466897][ T6519] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.467850][ T6519] exportfs_decode_fh+0x50/0x80 [ 92.468637][ T6519] do_handle_open+0x530/0x924 [ 92.469470][ T6519] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.470544][ T6519] invoke_syscall+0x98/0x2b0 [ 92.471384][ T6519] el0_svc_common+0x138/0x258 [ 92.472175][ T6519] do_el0_svc+0x58/0x13c [ 92.472873][ T6519] el0_svc+0x78/0x1d0 [ 92.473572][ T6519] el0t_64_sync_handler+0xcc/0xe4 [ 92.474469][ T6519] el0t_64_sync+0x1a0/0x1a4 [ 92.477090][ T6517] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.478329][ T6517] CPU: 0 PID: 6517 Comm: syz.1.164 Tainted: G B syzkaller #0 [ 92.479799][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.481559][ T6517] Call trace: [ 92.482064][ T6517] dump_backtrace+0x0/0x458 [ 92.482826][ T6517] show_stack+0x2c/0x3c [ 92.483576][ T6517] __dump_stack+0x30/0x40 [ 92.484377][ T6517] dump_stack_lvl+0xf4/0x15c [ 92.485169][ T6517] dump_stack+0x1c/0x5c [ 92.485870][ T6517] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.486778][ T6517] f2fs_iget+0x1b2c/0x5110 [ 92.487575][ T6517] f2fs_nfs_get_inode+0x80/0x118 [ 92.488435][ T6517] generic_fh_to_dentry+0x9c/0x104 [ 92.489308][ T6517] f2fs_fh_to_dentry+0x44/0x58 [ 92.490130][ T6517] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.491014][ T6517] exportfs_decode_fh+0x50/0x80 [ 92.491822][ T6517] do_handle_open+0x530/0x924 [ 92.492660][ T6517] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.493644][ T6517] invoke_syscall+0x98/0x2b0 [ 92.494451][ T6517] el0_svc_common+0x138/0x258 [ 92.495255][ T6517] do_el0_svc+0x58/0x13c [ 92.495989][ T6517] el0_svc+0x78/0x1d0 [ 92.496599][ T6519] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.496657][ T6517] el0t_64_sync_handler+0xcc/0xe4 [ 92.499410][ T6517] el0t_64_sync+0x1a0/0x1a4 [ 92.505598][ T6521] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.508574][ T6543] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.509777][ T6543] CPU: 0 PID: 6543 Comm: syz.0.162 Tainted: G B syzkaller #0 [ 92.511201][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.513029][ T6543] Call trace: [ 92.513575][ T6543] dump_backtrace+0x0/0x458 [ 92.514374][ T6543] show_stack+0x2c/0x3c [ 92.515102][ T6543] __dump_stack+0x30/0x40 [ 92.515867][ T6543] dump_stack_lvl+0xf4/0x15c [ 92.516712][ T6543] dump_stack+0x1c/0x5c [ 92.517536][ T6543] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.518480][ T6543] f2fs_iget+0x1b2c/0x5110 [ 92.519265][ T6543] f2fs_nfs_get_inode+0x80/0x118 [ 92.520136][ T6543] generic_fh_to_dentry+0x9c/0x104 [ 92.520954][ T6543] f2fs_fh_to_dentry+0x44/0x58 [ 92.521892][ T6543] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.522815][ T6543] exportfs_decode_fh+0x50/0x80 [ 92.523708][ T6543] do_handle_open+0x530/0x924 [ 92.524578][ T6543] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.525572][ T6543] invoke_syscall+0x98/0x2b0 [ 92.526372][ T6543] el0_svc_common+0x138/0x258 [ 92.527192][ T6543] do_el0_svc+0x58/0x13c [ 92.527929][ T6543] el0_svc+0x78/0x1d0 [ 92.528691][ T6543] el0t_64_sync_handler+0xcc/0xe4 [ 92.529575][ T6543] el0t_64_sync+0x1a0/0x1a4 [ 92.535062][ T6523] F2FS-fs (loop4): Found nat_bits in checkpoint [ 92.551316][ T6517] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.553603][ T6549] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.555489][ T6523] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 92.558591][ T6523] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.559928][ T6523] CPU: 0 PID: 6523 Comm: syz.4.165 Tainted: G B syzkaller #0 [ 92.561462][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.563177][ T6523] Call trace: [ 92.563720][ T6523] dump_backtrace+0x0/0x458 [ 92.564516][ T6523] show_stack+0x2c/0x3c [ 92.565186][ T6523] __dump_stack+0x30/0x40 [ 92.565937][ T6523] dump_stack_lvl+0xf4/0x15c [ 92.566763][ T6523] dump_stack+0x1c/0x5c [ 92.567538][ T6523] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.568481][ T6523] f2fs_iget+0x1b2c/0x5110 [ 92.569262][ T6523] f2fs_nfs_get_inode+0x80/0x118 [ 92.570134][ T6523] generic_fh_to_dentry+0x9c/0x104 [ 92.571084][ T6523] f2fs_fh_to_dentry+0x44/0x58 [ 92.571941][ T6523] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.572889][ T6523] exportfs_decode_fh+0x50/0x80 [ 92.573706][ T6523] do_handle_open+0x530/0x924 [ 92.574509][ T6523] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.575538][ T6523] invoke_syscall+0x98/0x2b0 [ 92.576337][ T6523] el0_svc_common+0x138/0x258 [ 92.577147][ T6523] do_el0_svc+0x58/0x13c [ 92.577875][ T6523] el0_svc+0x78/0x1d0 [ 92.578540][ T6523] el0t_64_sync_handler+0xcc/0xe4 [ 92.579399][ T6523] el0t_64_sync+0x1a0/0x1a4 [ 92.583068][ T6549] CPU: 0 PID: 6549 Comm: syz.1.164 Tainted: G B syzkaller #0 [ 92.584453][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.586167][ T6549] Call trace: [ 92.586710][ T6549] dump_backtrace+0x0/0x458 [ 92.587497][ T6549] show_stack+0x2c/0x3c [ 92.588247][ T6549] __dump_stack+0x30/0x40 [ 92.589026][ T6549] dump_stack_lvl+0xf4/0x15c [ 92.589854][ T6549] dump_stack+0x1c/0x5c [ 92.590539][ T6549] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.591412][ T6549] f2fs_iget+0x1b2c/0x5110 [ 92.592237][ T6549] f2fs_nfs_get_inode+0x80/0x118 [ 92.593050][ T6549] generic_fh_to_dentry+0x9c/0x104 [ 92.593900][ T6549] f2fs_fh_to_dentry+0x44/0x58 [ 92.594689][ T6549] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.595639][ T6549] exportfs_decode_fh+0x50/0x80 [ 92.596454][ T6549] do_handle_open+0x530/0x924 [ 92.597190][ T6549] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.598165][ T6549] invoke_syscall+0x98/0x2b0 [ 92.599014][ T6549] el0_svc_common+0x138/0x258 [ 92.599876][ T6549] do_el0_svc+0x58/0x13c [ 92.600659][ T6549] el0_svc+0x78/0x1d0 [ 92.601351][ T6549] el0t_64_sync_handler+0xcc/0xe4 [ 92.602203][ T6549] el0t_64_sync+0x1a0/0x1a4 [ 92.608851][ T6543] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.615214][ T6523] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.618014][ T6550] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.619308][ T6550] CPU: 1 PID: 6550 Comm: syz.4.165 Tainted: G B syzkaller #0 [ 92.620798][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.622594][ T6550] Call trace: [ 92.623146][ T6550] dump_backtrace+0x0/0x458 [ 92.623935][ T6550] show_stack+0x2c/0x3c [ 92.624529][ T6549] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.624615][ T6550] __dump_stack+0x30/0x40 [ 92.627332][ T6550] dump_stack_lvl+0xf4/0x15c [ 92.628078][ T6550] dump_stack+0x1c/0x5c [ 92.628823][ T6550] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.629852][ T6550] f2fs_iget+0x1b2c/0x5110 [ 92.630669][ T6550] f2fs_nfs_get_inode+0x80/0x118 [ 92.631503][ T6550] generic_fh_to_dentry+0x9c/0x104 [ 92.632421][ T6550] f2fs_fh_to_dentry+0x44/0x58 [ 92.633276][ T6550] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.634246][ T6550] exportfs_decode_fh+0x50/0x80 [ 92.635103][ T6550] do_handle_open+0x530/0x924 [ 92.635959][ T6550] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.636989][ T6550] invoke_syscall+0x98/0x2b0 [ 92.637769][ T6550] el0_svc_common+0x138/0x258 [ 92.638629][ T6550] do_el0_svc+0x58/0x13c [ 92.639335][ T6550] el0_svc+0x78/0x1d0 [ 92.640022][ T6550] el0t_64_sync_handler+0xcc/0xe4 [ 92.640913][ T6550] el0t_64_sync+0x1a0/0x1a4 [ 92.767668][ T6550] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.792719][ T6547] F2FS-fs (loop2): Found nat_bits in checkpoint [ 92.826238][ T6547] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 92.839007][ T6547] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.840318][ T6547] CPU: 0 PID: 6547 Comm: syz.2.167 Tainted: G B syzkaller #0 [ 92.841904][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.843664][ T6547] Call trace: [ 92.844237][ T6547] dump_backtrace+0x0/0x458 [ 92.845012][ T6547] show_stack+0x2c/0x3c [ 92.845720][ T6547] __dump_stack+0x30/0x40 [ 92.846470][ T6547] dump_stack_lvl+0xf4/0x15c [ 92.847211][ T6547] dump_stack+0x1c/0x5c [ 92.847989][ T6547] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.848925][ T6547] f2fs_iget+0x1b2c/0x5110 [ 92.849748][ T6547] f2fs_nfs_get_inode+0x80/0x118 [ 92.850651][ T6547] generic_fh_to_dentry+0x9c/0x104 [ 92.851593][ T6547] f2fs_fh_to_dentry+0x44/0x58 [ 92.852428][ T6547] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.853375][ T6547] exportfs_decode_fh+0x50/0x80 [ 92.854260][ T6547] do_handle_open+0x530/0x924 [ 92.855056][ T6547] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.856091][ T6547] invoke_syscall+0x98/0x2b0 [ 92.856874][ T6547] el0_svc_common+0x138/0x258 [ 92.857643][ T6547] do_el0_svc+0x58/0x13c [ 92.858335][ T6547] el0_svc+0x78/0x1d0 [ 92.859012][ T6547] el0t_64_sync_handler+0xcc/0xe4 [ 92.859962][ T6547] el0t_64_sync+0x1a0/0x1a4 [ 92.878353][ T6545] F2FS-fs (loop3): Found nat_bits in checkpoint [ 92.896367][ T6545] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 92.898383][ T6545] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.899576][ T6545] CPU: 1 PID: 6545 Comm: syz.3.166 Tainted: G B syzkaller #0 [ 92.901062][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.902872][ T6545] Call trace: [ 92.903459][ T6545] dump_backtrace+0x0/0x458 [ 92.904240][ T6545] show_stack+0x2c/0x3c [ 92.904902][ T6545] __dump_stack+0x30/0x40 [ 92.905596][ T6545] dump_stack_lvl+0xf4/0x15c [ 92.906361][ T6545] dump_stack+0x1c/0x5c [ 92.907056][ T6545] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.908008][ T6545] f2fs_iget+0x1b2c/0x5110 [ 92.908802][ T6545] f2fs_nfs_get_inode+0x80/0x118 [ 92.909654][ T6545] generic_fh_to_dentry+0x9c/0x104 [ 92.910553][ T6545] f2fs_fh_to_dentry+0x44/0x58 [ 92.911355][ T6545] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.912376][ T6545] exportfs_decode_fh+0x50/0x80 [ 92.913198][ T6545] do_handle_open+0x530/0x924 [ 92.914023][ T6545] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.915091][ T6545] invoke_syscall+0x98/0x2b0 [ 92.915920][ T6545] el0_svc_common+0x138/0x258 [ 92.916730][ T6545] do_el0_svc+0x58/0x13c [ 92.917427][ T6545] el0_svc+0x78/0x1d0 [ 92.918106][ T6545] el0t_64_sync_handler+0xcc/0xe4 [ 92.918992][ T6545] el0t_64_sync+0x1a0/0x1a4 [ 92.920756][ T6547] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.924181][ T6545] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.934264][ T6564] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.935560][ T6564] CPU: 0 PID: 6564 Comm: syz.2.167 Tainted: G B syzkaller #0 [ 92.936914][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.938625][ T6564] Call trace: [ 92.939122][ T6564] dump_backtrace+0x0/0x458 [ 92.939819][ T6564] show_stack+0x2c/0x3c [ 92.940494][ T6564] __dump_stack+0x30/0x40 [ 92.941178][ T6564] dump_stack_lvl+0xf4/0x15c [ 92.942014][ T6564] dump_stack+0x1c/0x5c [ 92.942702][ T6564] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.943610][ T6564] f2fs_iget+0x1b2c/0x5110 [ 92.944390][ T6564] f2fs_nfs_get_inode+0x80/0x118 [ 92.945227][ T6564] generic_fh_to_dentry+0x9c/0x104 [ 92.946120][ T6564] f2fs_fh_to_dentry+0x44/0x58 [ 92.946962][ T6564] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.947846][ T6564] exportfs_decode_fh+0x50/0x80 [ 92.948639][ T6564] do_handle_open+0x530/0x924 [ 92.949462][ T6564] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.950459][ T6564] invoke_syscall+0x98/0x2b0 [ 92.951260][ T6564] el0_svc_common+0x138/0x258 [ 92.952108][ T6564] do_el0_svc+0x58/0x13c [ 92.952864][ T6564] el0_svc+0x78/0x1d0 [ 92.953601][ T6564] el0t_64_sync_handler+0xcc/0xe4 [ 92.954539][ T6564] el0t_64_sync+0x1a0/0x1a4 [ 92.971377][ T6545] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 92.972763][ T6545] CPU: 0 PID: 6545 Comm: syz.3.166 Tainted: G B syzkaller #0 [ 92.974172][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 92.975931][ T6545] Call trace: [ 92.976449][ T6545] dump_backtrace+0x0/0x458 [ 92.977179][ T6545] show_stack+0x2c/0x3c [ 92.977871][ T6545] __dump_stack+0x30/0x40 [ 92.978596][ T6545] dump_stack_lvl+0xf4/0x15c [ 92.979401][ T6545] dump_stack+0x1c/0x5c [ 92.980154][ T6545] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 92.981097][ T6545] f2fs_iget+0x1b2c/0x5110 [ 92.981862][ T6545] f2fs_nfs_get_inode+0x80/0x118 [ 92.982722][ T6545] generic_fh_to_dentry+0x9c/0x104 [ 92.983620][ T6545] f2fs_fh_to_dentry+0x44/0x58 [ 92.984408][ T6545] exportfs_decode_fh_raw+0x13c/0x4e8 [ 92.985366][ T6545] exportfs_decode_fh+0x50/0x80 [ 92.986233][ T6545] do_handle_open+0x530/0x924 [ 92.987069][ T6545] __arm64_sys_open_by_handle_at+0x80/0x94 [ 92.988116][ T6545] invoke_syscall+0x98/0x2b0 [ 92.988901][ T6545] el0_svc_common+0x138/0x258 [ 92.989735][ T6545] do_el0_svc+0x58/0x13c [ 92.990508][ T6545] el0_svc+0x78/0x1d0 [ 92.991187][ T6545] el0t_64_sync_handler+0xcc/0xe4 [ 92.992065][ T6545] el0t_64_sync+0x1a0/0x1a4 [ 92.996225][ T6564] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 92.999861][ T6545] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.022078][ T6552] F2FS-fs (loop1): Found nat_bits in checkpoint [ 93.038796][ T6554] F2FS-fs (loop0): Found nat_bits in checkpoint [ 93.058547][ T6552] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 93.060508][ T6552] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.061829][ T6552] CPU: 1 PID: 6552 Comm: syz.1.169 Tainted: G B syzkaller #0 [ 93.063436][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.065161][ T6552] Call trace: [ 93.065666][ T6552] dump_backtrace+0x0/0x458 [ 93.066442][ T6552] show_stack+0x2c/0x3c [ 93.067188][ T6552] __dump_stack+0x30/0x40 [ 93.067948][ T6552] dump_stack_lvl+0xf4/0x15c [ 93.068789][ T6552] dump_stack+0x1c/0x5c [ 93.069494][ T6552] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.070452][ T6552] f2fs_iget+0x1b2c/0x5110 [ 93.071236][ T6552] f2fs_nfs_get_inode+0x80/0x118 [ 93.072095][ T6552] generic_fh_to_dentry+0x9c/0x104 [ 93.072939][ T6552] f2fs_fh_to_dentry+0x44/0x58 [ 93.073767][ T6552] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.074631][ T6552] exportfs_decode_fh+0x50/0x80 [ 93.075405][ T6552] do_handle_open+0x530/0x924 [ 93.076237][ T6552] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.077309][ T6552] invoke_syscall+0x98/0x2b0 [ 93.078177][ T6552] el0_svc_common+0x138/0x258 [ 93.078986][ T6552] do_el0_svc+0x58/0x13c [ 93.079737][ T6552] el0_svc+0x78/0x1d0 [ 93.080401][ T6552] el0t_64_sync_handler+0xcc/0xe4 [ 93.081331][ T6552] el0t_64_sync+0x1a0/0x1a4 [ 93.092357][ T6554] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 93.094520][ T6554] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.095861][ T6554] CPU: 0 PID: 6554 Comm: syz.0.168 Tainted: G B syzkaller #0 [ 93.097257][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.098906][ T6554] Call trace: [ 93.099490][ T6554] dump_backtrace+0x0/0x458 [ 93.100290][ T6554] show_stack+0x2c/0x3c [ 93.101032][ T6554] __dump_stack+0x30/0x40 [ 93.101783][ T6554] dump_stack_lvl+0xf4/0x15c [ 93.102571][ T6554] dump_stack+0x1c/0x5c [ 93.102632][ T6552] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.103294][ T6554] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.106054][ T6554] f2fs_iget+0x1b2c/0x5110 [ 93.106776][ T6554] f2fs_nfs_get_inode+0x80/0x118 [ 93.107633][ T6554] generic_fh_to_dentry+0x9c/0x104 [ 93.108495][ T6554] f2fs_fh_to_dentry+0x44/0x58 [ 93.109305][ T6554] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.110228][ T6554] exportfs_decode_fh+0x50/0x80 [ 93.111024][ T6554] do_handle_open+0x530/0x924 [ 93.111787][ T6554] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.112808][ T6554] invoke_syscall+0x98/0x2b0 [ 93.113600][ T6554] el0_svc_common+0x138/0x258 [ 93.114412][ T6554] do_el0_svc+0x58/0x13c [ 93.115095][ T6554] el0_svc+0x78/0x1d0 [ 93.115745][ T6554] el0t_64_sync_handler+0xcc/0xe4 [ 93.116669][ T6554] el0t_64_sync+0x1a0/0x1a4 [ 93.121627][ T6552] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.122916][ T6552] CPU: 1 PID: 6552 Comm: syz.1.169 Tainted: G B syzkaller #0 [ 93.124314][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.126045][ T6552] Call trace: [ 93.126581][ T6552] dump_backtrace+0x0/0x458 [ 93.127355][ T6552] show_stack+0x2c/0x3c [ 93.128106][ T6552] __dump_stack+0x30/0x40 [ 93.128896][ T6552] dump_stack_lvl+0xf4/0x15c [ 93.129708][ T6552] dump_stack+0x1c/0x5c [ 93.130459][ T6552] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.131340][ T6552] f2fs_iget+0x1b2c/0x5110 [ 93.132069][ T6552] f2fs_nfs_get_inode+0x80/0x118 [ 93.132931][ T6552] generic_fh_to_dentry+0x9c/0x104 [ 93.133808][ T6552] f2fs_fh_to_dentry+0x44/0x58 [ 93.134594][ T6552] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.135514][ T6552] exportfs_decode_fh+0x50/0x80 [ 93.136364][ T6552] do_handle_open+0x530/0x924 [ 93.137282][ T6552] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.138367][ T6552] invoke_syscall+0x98/0x2b0 [ 93.139128][ T6552] el0_svc_common+0x138/0x258 [ 93.139914][ T6552] do_el0_svc+0x58/0x13c [ 93.140613][ T6552] el0_svc+0x78/0x1d0 [ 93.141271][ T6552] el0t_64_sync_handler+0xcc/0xe4 [ 93.142144][ T6552] el0t_64_sync+0x1a0/0x1a4 [ 93.147077][ T6562] F2FS-fs (loop4): Found nat_bits in checkpoint [ 93.154338][ T6552] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.166877][ T6562] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 93.173249][ T6562] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.174471][ T6554] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.175169][ T6562] CPU: 0 PID: 6562 Comm: syz.4.170 Tainted: G B syzkaller #0 [ 93.177905][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.179545][ T6562] Call trace: [ 93.180090][ T6562] dump_backtrace+0x0/0x458 [ 93.180863][ T6562] show_stack+0x2c/0x3c [ 93.181574][ T6562] __dump_stack+0x30/0x40 [ 93.182310][ T6562] dump_stack_lvl+0xf4/0x15c [ 93.183087][ T6562] dump_stack+0x1c/0x5c [ 93.183805][ T6562] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.184647][ T6562] f2fs_iget+0x1b2c/0x5110 [ 93.185422][ T6562] f2fs_nfs_get_inode+0x80/0x118 [ 93.186277][ T6562] generic_fh_to_dentry+0x9c/0x104 [ 93.187158][ T6562] f2fs_fh_to_dentry+0x44/0x58 [ 93.187963][ T6562] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.188848][ T6562] exportfs_decode_fh+0x50/0x80 [ 93.189700][ T6562] do_handle_open+0x530/0x924 [ 93.190548][ T6562] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.191640][ T6562] invoke_syscall+0x98/0x2b0 [ 93.192429][ T6562] el0_svc_common+0x138/0x258 [ 93.193188][ T6562] do_el0_svc+0x58/0x13c [ 93.193964][ T6562] el0_svc+0x78/0x1d0 [ 93.194639][ T6562] el0t_64_sync_handler+0xcc/0xe4 [ 93.195499][ T6562] el0t_64_sync+0x1a0/0x1a4 [ 93.218598][ T6582] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.220054][ T6582] CPU: 0 PID: 6582 Comm: syz.0.168 Tainted: G B syzkaller #0 [ 93.221523][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.223158][ T6582] Call trace: [ 93.223684][ T6582] dump_backtrace+0x0/0x458 [ 93.224419][ T6582] show_stack+0x2c/0x3c [ 93.225094][ T6582] __dump_stack+0x30/0x40 [ 93.225874][ T6582] dump_stack_lvl+0xf4/0x15c [ 93.226625][ T6582] dump_stack+0x1c/0x5c [ 93.227320][ T6582] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.228229][ T6582] f2fs_iget+0x1b2c/0x5110 [ 93.228993][ T6582] f2fs_nfs_get_inode+0x80/0x118 [ 93.229870][ T6582] generic_fh_to_dentry+0x9c/0x104 [ 93.230768][ T6582] f2fs_fh_to_dentry+0x44/0x58 [ 93.231583][ T6582] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.232510][ T6582] exportfs_decode_fh+0x50/0x80 [ 93.233360][ T6582] do_handle_open+0x530/0x924 [ 93.234176][ T6582] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.235174][ T6582] invoke_syscall+0x98/0x2b0 [ 93.235939][ T6582] el0_svc_common+0x138/0x258 [ 93.236259][ T6562] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.236713][ T6582] do_el0_svc+0x58/0x13c [ 93.238629][ T6583] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.239243][ T6582] el0_svc+0x78/0x1d0 [ 93.241044][ T6582] el0t_64_sync_handler+0xcc/0xe4 [ 93.241934][ T6582] el0t_64_sync+0x1a0/0x1a4 [ 93.242686][ T6583] CPU: 1 PID: 6583 Comm: syz.4.170 Tainted: G B syzkaller #0 [ 93.244034][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.245873][ T6583] Call trace: [ 93.246384][ T6583] dump_backtrace+0x0/0x458 [ 93.247183][ T6583] show_stack+0x2c/0x3c [ 93.247914][ T6583] __dump_stack+0x30/0x40 [ 93.248653][ T6583] dump_stack_lvl+0xf4/0x15c [ 93.249410][ T6583] dump_stack+0x1c/0x5c [ 93.250160][ T6583] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.251095][ T6583] f2fs_iget+0x1b2c/0x5110 [ 93.251887][ T6583] f2fs_nfs_get_inode+0x80/0x118 [ 93.252697][ T6583] generic_fh_to_dentry+0x9c/0x104 [ 93.253591][ T6583] f2fs_fh_to_dentry+0x44/0x58 [ 93.254363][ T6583] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.255324][ T6583] exportfs_decode_fh+0x50/0x80 [ 93.256175][ T6583] do_handle_open+0x530/0x924 [ 93.256985][ T6583] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.258028][ T6583] invoke_syscall+0x98/0x2b0 [ 93.258825][ T6583] el0_svc_common+0x138/0x258 [ 93.259626][ T6583] do_el0_svc+0x58/0x13c [ 93.260365][ T6583] el0_svc+0x78/0x1d0 [ 93.261028][ T6583] el0t_64_sync_handler+0xcc/0xe4 [ 93.261917][ T6583] el0t_64_sync+0x1a0/0x1a4 [ 93.263654][ T6583] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.267482][ T6583] ================================================================== [ 93.268738][ T6583] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0xdc/0x3b0 [ 93.270128][ T6583] [ 93.270505][ T6583] CPU: 1 PID: 6583 Comm: syz.4.170 Tainted: G B syzkaller #0 [ 93.271993][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.273787][ T6583] Call trace: [ 93.274367][ T6583] dump_backtrace+0x0/0x458 [ 93.275197][ T6583] show_stack+0x2c/0x3c [ 93.275897][ T6583] __dump_stack+0x30/0x40 [ 93.276625][ T6583] dump_stack_lvl+0xf4/0x15c [ 93.277427][ T6583] print_address_description+0x78/0x30c [ 93.278335][ T6583] kasan_report_invalid_free+0x4c/0x7c [ 93.279242][ T6583] ____kasan_slab_free+0x134/0x164 [ 93.280083][ T6583] __kasan_slab_free+0x18/0x28 [ 93.280870][ T6583] slab_free_freelist_hook+0x128/0x1e4 [ 93.281759][ T6583] kmem_cache_free+0xdc/0x3b0 [ 93.282520][ T6583] f2fs_destroy_extent_tree+0x2d0/0x674 [ 93.283487][ T6583] f2fs_evict_inode+0x32c/0x1538 [ 93.284361][ T6583] evict+0x3e0/0x828 [ 93.285055][ T6583] iput+0x6ac/0x764 [ 93.285734][ T6583] iget_failed+0x148/0x194 [ 93.286512][ T6583] f2fs_iget+0x58c/0x5110 [ 93.287326][ T6583] f2fs_nfs_get_inode+0x80/0x118 [ 93.288089][ T6583] generic_fh_to_dentry+0x9c/0x104 [ 93.288963][ T6583] f2fs_fh_to_dentry+0x44/0x58 [ 93.289797][ T6583] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.290735][ T6583] exportfs_decode_fh+0x50/0x80 [ 93.291572][ T6583] do_handle_open+0x530/0x924 [ 93.292377][ T6583] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.293433][ T6583] invoke_syscall+0x98/0x2b0 [ 93.294226][ T6583] el0_svc_common+0x138/0x258 [ 93.294973][ T6583] do_el0_svc+0x58/0x13c [ 93.295699][ T6583] el0_svc+0x78/0x1d0 [ 93.296304][ T6583] el0t_64_sync_handler+0xcc/0xe4 [ 93.297143][ T6583] el0t_64_sync+0x1a0/0x1a4 [ 93.297873][ T6583] [ 93.298249][ T6583] Allocated by task 6562: [ 93.298934][ T6583] __kasan_slab_alloc+0x8c/0xcc [ 93.299689][ T6583] slab_post_alloc_hook+0x74/0x3f8 [ 93.300587][ T6583] kmem_cache_alloc+0x1d8/0x3d4 [ 93.301486][ T6583] f2fs_init_extent_tree+0x43c/0xa94 [ 93.302454][ T6583] f2fs_iget+0x10c0/0x5110 [ 93.303165][ T6583] f2fs_nfs_get_inode+0x80/0x118 [ 93.303961][ T6583] generic_fh_to_dentry+0x9c/0x104 [ 93.304920][ T6583] f2fs_fh_to_dentry+0x44/0x58 [ 93.305773][ T6583] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.306694][ T6583] exportfs_decode_fh+0x50/0x80 [ 93.307539][ T6583] do_handle_open+0x530/0x924 [ 93.308358][ T6583] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.309298][ T6583] invoke_syscall+0x98/0x2b0 [ 93.310039][ T6583] el0_svc_common+0x138/0x258 [ 93.310890][ T6583] do_el0_svc+0x58/0x13c [ 93.311617][ T6583] el0_svc+0x78/0x1d0 [ 93.312314][ T6583] el0t_64_sync_handler+0xcc/0xe4 [ 93.313165][ T6583] el0t_64_sync+0x1a0/0x1a4 [ 93.313958][ T6583] [ 93.314344][ T6583] Freed by task 6562: [ 93.315027][ T6583] kasan_set_track+0x4c/0x84 [ 93.315835][ T6583] kasan_set_free_info+0x28/0x4c [ 93.316672][ T6583] ____kasan_slab_free+0x118/0x164 [ 93.317525][ T6583] __kasan_slab_free+0x18/0x28 [ 93.318301][ T6583] slab_free_freelist_hook+0x128/0x1e4 [ 93.319210][ T6583] kmem_cache_free+0xdc/0x3b0 [ 93.319989][ T6583] f2fs_destroy_extent_tree+0x2d0/0x674 [ 93.320916][ T6583] f2fs_evict_inode+0x32c/0x1538 [ 93.321729][ T6583] evict+0x3e0/0x828 [ 93.322311][ T6583] iput+0x6ac/0x764 [ 93.322947][ T6583] iget_failed+0x148/0x194 [ 93.323692][ T6583] f2fs_iget+0x58c/0x5110 [ 93.324459][ T6583] f2fs_nfs_get_inode+0x80/0x118 [ 93.325264][ T6583] generic_fh_to_dentry+0x9c/0x104 [ 93.326163][ T6583] f2fs_fh_to_dentry+0x44/0x58 [ 93.326956][ T6583] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.327796][ T6583] exportfs_decode_fh+0x50/0x80 [ 93.328605][ T6583] do_handle_open+0x530/0x924 [ 93.329400][ T6583] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.330344][ T6583] invoke_syscall+0x98/0x2b0 [ 93.331124][ T6583] el0_svc_common+0x138/0x258 [ 93.331909][ T6583] do_el0_svc+0x58/0x13c [ 93.332621][ T6583] el0_svc+0x78/0x1d0 [ 93.333286][ T6583] el0t_64_sync_handler+0xcc/0xe4 [ 93.334104][ T6583] el0t_64_sync+0x1a0/0x1a4 [ 93.334840][ T6583] [ 93.335249][ T6583] The buggy address belongs to the object at ffff0000de6ac4b0 [ 93.335249][ T6583] which belongs to the cache f2fs_extent_tree of size 136 [ 93.337695][ T6583] The buggy address is located 0 bytes inside of [ 93.337695][ T6583] 136-byte region [ffff0000de6ac4b0, ffff0000de6ac538) [ 93.339927][ T6583] The buggy address belongs to the page: [ 93.340864][ T6583] page:000000001549e9d6 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000de6aca28 pfn:0x11e6ac [ 93.342856][ T6583] flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) [ 93.344193][ T6583] raw: 05ffc00000000200 0000000000000000 0000000100000001 ffff0000c690cd80 [ 93.345702][ T6583] raw: ffff0000de6aca28 0000000080140012 00000001ffffffff 0000000000000000 [ 93.346857][ T6582] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.347208][ T6583] page dumped because: kasan: bad access detected [ 93.350188][ T6583] [ 93.350559][ T6583] Memory state around the buggy address: [ 93.351479][ T6583] ffff0000de6ac380: fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb fb [ 93.352774][ T6583] ffff0000de6ac400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc [ 93.354083][ T6583] >ffff0000de6ac480: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb [ 93.355357][ T6583] ^ [ 93.356264][ T6583] ffff0000de6ac500: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa [ 93.357619][ T6583] ffff0000de6ac580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 93.358940][ T6583] ================================================================== [ 93.424890][ T6573] F2FS-fs (loop3): Found nat_bits in checkpoint [ 93.440015][ T6573] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 93.442168][ T6573] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.443491][ T6573] CPU: 1 PID: 6573 Comm: syz.3.172 Tainted: G B syzkaller #0 [ 93.445004][ T6573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.446724][ T6573] Call trace: [ 93.447296][ T6573] dump_backtrace+0x0/0x458 [ 93.448120][ T6573] show_stack+0x2c/0x3c [ 93.448886][ T6573] __dump_stack+0x30/0x40 [ 93.449662][ T6573] dump_stack_lvl+0xf4/0x15c [ 93.450422][ T6573] dump_stack+0x1c/0x5c [ 93.451074][ T6573] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.451978][ T6573] f2fs_iget+0x1b2c/0x5110 [ 93.452759][ T6573] f2fs_nfs_get_inode+0x80/0x118 [ 93.453649][ T6573] generic_fh_to_dentry+0x9c/0x104 [ 93.454577][ T6573] f2fs_fh_to_dentry+0x44/0x58 [ 93.455355][ T6573] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.456255][ T6573] exportfs_decode_fh+0x50/0x80 [ 93.457039][ T6573] do_handle_open+0x530/0x924 [ 93.457849][ T6573] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.458788][ T6573] invoke_syscall+0x98/0x2b0 [ 93.459609][ T6573] el0_svc_common+0x138/0x258 [ 93.460433][ T6573] do_el0_svc+0x58/0x13c [ 93.461167][ T6573] el0_svc+0x78/0x1d0 [ 93.461877][ T6573] el0t_64_sync_handler+0xcc/0xe4 [ 93.462711][ T6573] el0t_64_sync+0x1a0/0x1a4 [ 93.476682][ T6585] F2FS-fs (loop1): Found nat_bits in checkpoint [ 93.489967][ T6573] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.493158][ T6580] F2FS-fs (loop2): Found nat_bits in checkpoint [ 93.498406][ T6601] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.499656][ T6601] CPU: 1 PID: 6601 Comm: syz.3.172 Tainted: G B syzkaller #0 [ 93.501066][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.501923][ T6585] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 93.502785][ T6601] Call trace: [ 93.502792][ T6601] dump_backtrace+0x0/0x458 [ 93.505282][ T6601] show_stack+0x2c/0x3c [ 93.505959][ T6601] __dump_stack+0x30/0x40 [ 93.506726][ T6601] dump_stack_lvl+0xf4/0x15c [ 93.507588][ T6601] dump_stack+0x1c/0x5c [ 93.508325][ T6601] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.509238][ T6601] f2fs_iget+0x1b2c/0x5110 [ 93.509986][ T6601] f2fs_nfs_get_inode+0x80/0x118 [ 93.510794][ T6601] generic_fh_to_dentry+0x9c/0x104 [ 93.511711][ T6601] f2fs_fh_to_dentry+0x44/0x58 [ 93.512585][ T6601] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.513493][ T6601] exportfs_decode_fh+0x50/0x80 [ 93.514288][ T6601] do_handle_open+0x530/0x924 [ 93.515134][ T6601] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.516100][ T6601] invoke_syscall+0x98/0x2b0 [ 93.516848][ T6601] el0_svc_common+0x138/0x258 [ 93.517645][ T6601] do_el0_svc+0x58/0x13c [ 93.518349][ T6601] el0_svc+0x78/0x1d0 [ 93.519039][ T6601] el0t_64_sync_handler+0xcc/0xe4 [ 93.519923][ T6601] el0t_64_sync+0x1a0/0x1a4 [ 93.521379][ T6585] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.522781][ T6585] CPU: 0 PID: 6585 Comm: syz.1.173 Tainted: G B syzkaller #0 [ 93.524219][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.525906][ T6585] Call trace: [ 93.526421][ T6585] dump_backtrace+0x0/0x458 [ 93.527175][ T6585] show_stack+0x2c/0x3c [ 93.527974][ T6585] __dump_stack+0x30/0x40 [ 93.528761][ T6585] dump_stack_lvl+0xf4/0x15c [ 93.529543][ T6585] dump_stack+0x1c/0x5c [ 93.530209][ T6585] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.531003][ T6585] f2fs_iget+0x1b2c/0x5110 [ 93.531786][ T6585] f2fs_nfs_get_inode+0x80/0x118 [ 93.532644][ T6585] generic_fh_to_dentry+0x9c/0x104 [ 93.533518][ T6585] f2fs_fh_to_dentry+0x44/0x58 [ 93.534295][ T6585] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.535254][ T6585] exportfs_decode_fh+0x50/0x80 [ 93.536094][ T6585] do_handle_open+0x530/0x924 [ 93.536886][ T6585] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.537226][ T6580] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 93.537923][ T6585] invoke_syscall+0x98/0x2b0 [ 93.539836][ T6585] el0_svc_common+0x138/0x258 [ 93.540633][ T6585] do_el0_svc+0x58/0x13c [ 93.541361][ T6585] el0_svc+0x78/0x1d0 [ 93.542089][ T6585] el0t_64_sync_handler+0xcc/0xe4 [ 93.543004][ T6585] el0t_64_sync+0x1a0/0x1a4 [ 93.543918][ T6601] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.546367][ T6580] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.547639][ T6580] CPU: 1 PID: 6580 Comm: syz.2.171 Tainted: G B syzkaller #0 [ 93.549075][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.550774][ T6580] Call trace: [ 93.551346][ T6580] dump_backtrace+0x0/0x458 [ 93.552172][ T6580] show_stack+0x2c/0x3c [ 93.552944][ T6580] __dump_stack+0x30/0x40 [ 93.553710][ T6580] dump_stack_lvl+0xf4/0x15c [ 93.554501][ T6580] dump_stack+0x1c/0x5c [ 93.555242][ T6580] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.556168][ T6580] f2fs_iget+0x1b2c/0x5110 [ 93.556935][ T6580] f2fs_nfs_get_inode+0x80/0x118 [ 93.557771][ T6580] generic_fh_to_dentry+0x9c/0x104 [ 93.558679][ T6580] f2fs_fh_to_dentry+0x44/0x58 [ 93.559515][ T6580] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.560410][ T6580] exportfs_decode_fh+0x50/0x80 [ 93.561194][ T6580] do_handle_open+0x530/0x924 [ 93.561967][ T6580] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.562981][ T6580] invoke_syscall+0x98/0x2b0 [ 93.563828][ T6580] el0_svc_common+0x138/0x258 [ 93.564593][ T6580] do_el0_svc+0x58/0x13c [ 93.565366][ T6580] el0_svc+0x78/0x1d0 [ 93.566119][ T6580] el0t_64_sync_handler+0xcc/0xe4 [ 93.567048][ T6580] el0t_64_sync+0x1a0/0x1a4 [ 93.590878][ T6585] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.594981][ T6603] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.596203][ T6603] CPU: 0 PID: 6603 Comm: syz.1.173 Tainted: G B syzkaller #0 [ 93.597762][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.599632][ T6603] Call trace: [ 93.600262][ T6603] dump_backtrace+0x0/0x458 [ 93.601054][ T6603] show_stack+0x2c/0x3c [ 93.601735][ T6603] __dump_stack+0x30/0x40 [ 93.602404][ T6603] dump_stack_lvl+0xf4/0x15c [ 93.603190][ T6603] dump_stack+0x1c/0x5c [ 93.603898][ T6603] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.604807][ T6603] f2fs_iget+0x1b2c/0x5110 [ 93.605616][ T6603] f2fs_nfs_get_inode+0x80/0x118 [ 93.605923][ T6580] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.606495][ T6603] generic_fh_to_dentry+0x9c/0x104 [ 93.609199][ T6603] f2fs_fh_to_dentry+0x44/0x58 [ 93.610057][ T6603] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.611017][ T6603] exportfs_decode_fh+0x50/0x80 [ 93.611876][ T6603] do_handle_open+0x530/0x924 [ 93.612641][ T6603] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.613576][ T6603] invoke_syscall+0x98/0x2b0 [ 93.614389][ T6603] el0_svc_common+0x138/0x258 [ 93.615202][ T6603] do_el0_svc+0x58/0x13c [ 93.615984][ T6603] el0_svc+0x78/0x1d0 [ 93.616673][ T6603] el0t_64_sync_handler+0xcc/0xe4 [ 93.617536][ T6603] el0t_64_sync+0x1a0/0x1a4 [ 93.618727][ T6580] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.620049][ T6580] CPU: 1 PID: 6580 Comm: syz.2.171 Tainted: G B syzkaller #0 [ 93.621588][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.623425][ T6580] Call trace: [ 93.623949][ T6580] dump_backtrace+0x0/0x458 [ 93.624730][ T6580] show_stack+0x2c/0x3c [ 93.625443][ T6580] __dump_stack+0x30/0x40 [ 93.626225][ T6580] dump_stack_lvl+0xf4/0x15c [ 93.627082][ T6580] dump_stack+0x1c/0x5c [ 93.627807][ T6580] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.628774][ T6580] f2fs_iget+0x1b2c/0x5110 [ 93.629553][ T6580] f2fs_nfs_get_inode+0x80/0x118 [ 93.630474][ T6580] generic_fh_to_dentry+0x9c/0x104 [ 93.631319][ T6580] f2fs_fh_to_dentry+0x44/0x58 [ 93.632180][ T6580] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.633095][ T6580] exportfs_decode_fh+0x50/0x80 [ 93.633935][ T6580] do_handle_open+0x530/0x924 [ 93.634804][ T6580] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.635815][ T6580] invoke_syscall+0x98/0x2b0 [ 93.636625][ T6580] el0_svc_common+0x138/0x258 [ 93.637457][ T6580] do_el0_svc+0x58/0x13c [ 93.638160][ T6580] el0_svc+0x78/0x1d0 [ 93.638816][ T6580] el0t_64_sync_handler+0xcc/0xe4 [ 93.639740][ T6580] el0t_64_sync+0x1a0/0x1a4 [ 93.648383][ T6603] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.672898][ T6580] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.746801][ T6596] F2FS-fs (loop0): Found nat_bits in checkpoint [ 93.766040][ T6595] F2FS-fs (loop4): Found nat_bits in checkpoint [ 93.773709][ T6596] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 93.776011][ T6596] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.777343][ T6596] CPU: 0 PID: 6596 Comm: syz.0.174 Tainted: G B syzkaller #0 [ 93.778791][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.780584][ T6596] Call trace: [ 93.781082][ T6596] dump_backtrace+0x0/0x458 [ 93.781888][ T6596] show_stack+0x2c/0x3c [ 93.782590][ T6596] __dump_stack+0x30/0x40 [ 93.783369][ T6596] dump_stack_lvl+0xf4/0x15c [ 93.784105][ T6596] dump_stack+0x1c/0x5c [ 93.784831][ T6596] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.785733][ T6596] f2fs_iget+0x1b2c/0x5110 [ 93.786467][ T6596] f2fs_nfs_get_inode+0x80/0x118 [ 93.787324][ T6596] generic_fh_to_dentry+0x9c/0x104 [ 93.788210][ T6596] f2fs_fh_to_dentry+0x44/0x58 [ 93.789016][ T6596] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.789923][ T6596] exportfs_decode_fh+0x50/0x80 [ 93.790804][ T6596] do_handle_open+0x530/0x924 [ 93.791602][ T6596] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.792582][ T6596] invoke_syscall+0x98/0x2b0 [ 93.793384][ T6596] el0_svc_common+0x138/0x258 [ 93.794150][ T6596] do_el0_svc+0x58/0x13c [ 93.794861][ T6596] el0_svc+0x78/0x1d0 [ 93.795494][ T6596] el0t_64_sync_handler+0xcc/0xe4 [ 93.796274][ T6596] el0t_64_sync+0x1a0/0x1a4 [ 93.797413][ T6595] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 93.800283][ T6595] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.801690][ T6595] CPU: 0 PID: 6595 Comm: syz.4.175 Tainted: G B syzkaller #0 [ 93.803171][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.804909][ T6595] Call trace: [ 93.805521][ T6595] dump_backtrace+0x0/0x458 [ 93.806235][ T6595] show_stack+0x2c/0x3c [ 93.806963][ T6595] __dump_stack+0x30/0x40 [ 93.807737][ T6595] dump_stack_lvl+0xf4/0x15c [ 93.808554][ T6595] dump_stack+0x1c/0x5c [ 93.809284][ T6595] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.810201][ T6595] f2fs_iget+0x1b2c/0x5110 [ 93.810933][ T6595] f2fs_nfs_get_inode+0x80/0x118 [ 93.811823][ T6595] generic_fh_to_dentry+0x9c/0x104 [ 93.812744][ T6595] f2fs_fh_to_dentry+0x44/0x58 [ 93.813570][ T6595] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.814484][ T6595] exportfs_decode_fh+0x50/0x80 [ 93.815287][ T6595] do_handle_open+0x530/0x924 [ 93.816132][ T6595] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.817213][ T6595] invoke_syscall+0x98/0x2b0 [ 93.817958][ T6595] el0_svc_common+0x138/0x258 [ 93.818810][ T6595] do_el0_svc+0x58/0x13c [ 93.819559][ T6595] el0_svc+0x78/0x1d0 [ 93.820263][ T6595] el0t_64_sync_handler+0xcc/0xe4 [ 93.821140][ T6595] el0t_64_sync+0x1a0/0x1a4 [ 93.854499][ T6595] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.856717][ T6618] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.858053][ T6618] CPU: 1 PID: 6618 Comm: syz.4.175 Tainted: G B syzkaller #0 [ 93.859533][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.861257][ T6618] Call trace: [ 93.861896][ T6618] dump_backtrace+0x0/0x458 [ 93.862695][ T6618] show_stack+0x2c/0x3c [ 93.863322][ T6618] __dump_stack+0x30/0x40 [ 93.864120][ T6618] dump_stack_lvl+0xf4/0x15c [ 93.864969][ T6618] dump_stack+0x1c/0x5c [ 93.865688][ T6618] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.866605][ T6618] f2fs_iget+0x1b2c/0x5110 [ 93.867335][ T6618] f2fs_nfs_get_inode+0x80/0x118 [ 93.868190][ T6618] generic_fh_to_dentry+0x9c/0x104 [ 93.869072][ T6618] f2fs_fh_to_dentry+0x44/0x58 [ 93.869859][ T6618] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.870809][ T6618] exportfs_decode_fh+0x50/0x80 [ 93.871648][ T6618] do_handle_open+0x530/0x924 [ 93.872475][ T6618] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.873527][ T6618] invoke_syscall+0x98/0x2b0 [ 93.874268][ T6618] el0_svc_common+0x138/0x258 [ 93.875033][ T6596] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.875066][ T6618] do_el0_svc+0x58/0x13c [ 93.877641][ T6618] el0_svc+0x78/0x1d0 [ 93.878370][ T6618] el0t_64_sync_handler+0xcc/0xe4 [ 93.879308][ T6618] el0t_64_sync+0x1a0/0x1a4 [ 93.882325][ T6619] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 93.883564][ T6619] CPU: 0 PID: 6619 Comm: syz.0.174 Tainted: G B syzkaller #0 [ 93.885047][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.886744][ T6619] Call trace: [ 93.887297][ T6619] dump_backtrace+0x0/0x458 [ 93.888056][ T6619] show_stack+0x2c/0x3c [ 93.888742][ T6619] __dump_stack+0x30/0x40 [ 93.889420][ T6619] dump_stack_lvl+0xf4/0x15c [ 93.890126][ T6619] dump_stack+0x1c/0x5c [ 93.890832][ T6619] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 93.891678][ T6619] f2fs_iget+0x1b2c/0x5110 [ 93.892373][ T6619] f2fs_nfs_get_inode+0x80/0x118 [ 93.893228][ T6619] generic_fh_to_dentry+0x9c/0x104 [ 93.894104][ T6619] f2fs_fh_to_dentry+0x44/0x58 [ 93.894879][ T6619] exportfs_decode_fh_raw+0x13c/0x4e8 [ 93.895874][ T6619] exportfs_decode_fh+0x50/0x80 [ 93.896718][ T6619] do_handle_open+0x530/0x924 [ 93.897474][ T6619] __arm64_sys_open_by_handle_at+0x80/0x94 [ 93.898370][ T6619] invoke_syscall+0x98/0x2b0 [ 93.899127][ T6619] el0_svc_common+0x138/0x258 [ 93.899875][ T6619] do_el0_svc+0x58/0x13c [ 93.900574][ T6619] el0_svc+0x78/0x1d0 [ 93.901256][ T6619] el0t_64_sync_handler+0xcc/0xe4 [ 93.902140][ T6619] el0t_64_sync+0x1a0/0x1a4 [ 93.925385][ T6619] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 93.993399][ T6618] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.024386][ T6610] F2FS-fs (loop2): Found nat_bits in checkpoint [ 94.030575][ T6608] F2FS-fs (loop3): Found nat_bits in checkpoint [ 94.043832][ T6608] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 94.043854][ T6610] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 94.046826][ T6608] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.047943][ T6610] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.048235][ T6608] CPU: 1 PID: 6608 Comm: syz.3.176 Tainted: G B syzkaller #0 [ 94.051023][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.052741][ T6608] Call trace: [ 94.053329][ T6608] dump_backtrace+0x0/0x458 [ 94.054136][ T6608] show_stack+0x2c/0x3c [ 94.054847][ T6608] __dump_stack+0x30/0x40 [ 94.055555][ T6608] dump_stack_lvl+0xf4/0x15c [ 94.056377][ T6608] dump_stack+0x1c/0x5c [ 94.057054][ T6608] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.057919][ T6608] f2fs_iget+0x1b2c/0x5110 [ 94.058702][ T6608] f2fs_nfs_get_inode+0x80/0x118 [ 94.059539][ T6608] generic_fh_to_dentry+0x9c/0x104 [ 94.060439][ T6608] f2fs_fh_to_dentry+0x44/0x58 [ 94.061242][ T6608] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.062127][ T6608] exportfs_decode_fh+0x50/0x80 [ 94.062910][ T6608] do_handle_open+0x530/0x924 [ 94.063728][ T6608] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.064750][ T6608] invoke_syscall+0x98/0x2b0 [ 94.065449][ T6608] el0_svc_common+0x138/0x258 [ 94.066233][ T6608] do_el0_svc+0x58/0x13c [ 94.066965][ T6608] el0_svc+0x78/0x1d0 [ 94.067613][ T6608] el0t_64_sync_handler+0xcc/0xe4 [ 94.068464][ T6608] el0t_64_sync+0x1a0/0x1a4 [ 94.069242][ T6610] CPU: 0 PID: 6610 Comm: syz.2.178 Tainted: G B syzkaller #0 [ 94.070622][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.072454][ T6610] Call trace: [ 94.072980][ T6610] dump_backtrace+0x0/0x458 [ 94.073726][ T6610] show_stack+0x2c/0x3c [ 94.074458][ T6610] __dump_stack+0x30/0x40 [ 94.075255][ T6610] dump_stack_lvl+0xf4/0x15c [ 94.076093][ T6610] dump_stack+0x1c/0x5c [ 94.076834][ T6610] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.077765][ T6610] f2fs_iget+0x1b2c/0x5110 [ 94.078522][ T6608] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.078561][ T6610] f2fs_nfs_get_inode+0x80/0x118 [ 94.081254][ T6610] generic_fh_to_dentry+0x9c/0x104 [ 94.082046][ T6610] f2fs_fh_to_dentry+0x44/0x58 [ 94.082825][ T6610] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.083646][ T6610] exportfs_decode_fh+0x50/0x80 [ 94.084445][ T6610] do_handle_open+0x530/0x924 [ 94.085239][ T6610] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.086150][ T6610] invoke_syscall+0x98/0x2b0 [ 94.086857][ T6610] el0_svc_common+0x138/0x258 [ 94.087610][ T6610] do_el0_svc+0x58/0x13c [ 94.088307][ T6610] el0_svc+0x78/0x1d0 [ 94.088905][ T6610] el0t_64_sync_handler+0xcc/0xe4 [ 94.089658][ T6610] el0t_64_sync+0x1a0/0x1a4 [ 94.095113][ T6608] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.096466][ T6608] CPU: 1 PID: 6608 Comm: syz.3.176 Tainted: G B syzkaller #0 [ 94.098010][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.099806][ T6608] Call trace: [ 94.100396][ T6608] dump_backtrace+0x0/0x458 [ 94.101158][ T6608] show_stack+0x2c/0x3c [ 94.101923][ T6608] __dump_stack+0x30/0x40 [ 94.102668][ T6608] dump_stack_lvl+0xf4/0x15c [ 94.103480][ T6608] dump_stack+0x1c/0x5c [ 94.104191][ T6608] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.105114][ T6608] f2fs_iget+0x1b2c/0x5110 [ 94.105897][ T6608] f2fs_nfs_get_inode+0x80/0x118 [ 94.106693][ T6608] generic_fh_to_dentry+0x9c/0x104 [ 94.107558][ T6608] f2fs_fh_to_dentry+0x44/0x58 [ 94.108389][ T6608] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.109351][ T6608] exportfs_decode_fh+0x50/0x80 [ 94.110194][ T6608] do_handle_open+0x530/0x924 [ 94.111025][ T6608] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.112079][ T6608] invoke_syscall+0x98/0x2b0 [ 94.112871][ T6608] el0_svc_common+0x138/0x258 [ 94.113736][ T6608] do_el0_svc+0x58/0x13c [ 94.114454][ T6608] el0_svc+0x78/0x1d0 [ 94.115173][ T6608] el0t_64_sync_handler+0xcc/0xe4 [ 94.116071][ T6608] el0t_64_sync+0x1a0/0x1a4 [ 94.122379][ T6610] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.126584][ T6633] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.127856][ T6633] CPU: 0 PID: 6633 Comm: syz.2.178 Tainted: G B syzkaller #0 [ 94.129193][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.130905][ T6633] Call trace: [ 94.131478][ T6633] dump_backtrace+0x0/0x458 [ 94.132232][ T6633] show_stack+0x2c/0x3c [ 94.132961][ T6633] __dump_stack+0x30/0x40 [ 94.133736][ T6633] dump_stack_lvl+0xf4/0x15c [ 94.134519][ T6633] dump_stack+0x1c/0x5c [ 94.135244][ T6633] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.136148][ T6633] f2fs_iget+0x1b2c/0x5110 [ 94.136919][ T6633] f2fs_nfs_get_inode+0x80/0x118 [ 94.137750][ T6633] generic_fh_to_dentry+0x9c/0x104 [ 94.138652][ T6633] f2fs_fh_to_dentry+0x44/0x58 [ 94.139438][ T6633] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.140370][ T6633] exportfs_decode_fh+0x50/0x80 [ 94.141159][ T6633] do_handle_open+0x530/0x924 [ 94.141909][ T6633] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.142904][ T6633] invoke_syscall+0x98/0x2b0 [ 94.143684][ T6633] el0_svc_common+0x138/0x258 [ 94.144373][ T6633] do_el0_svc+0x58/0x13c [ 94.145153][ T6633] el0_svc+0x78/0x1d0 [ 94.145879][ T6633] el0t_64_sync_handler+0xcc/0xe4 [ 94.146756][ T6633] el0t_64_sync+0x1a0/0x1a4 [ 94.152793][ T6608] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.155570][ T6605] F2FS-fs (loop1): Found nat_bits in checkpoint [ 94.174175][ T6633] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.174213][ T6605] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 94.178251][ T6605] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.179485][ T6605] CPU: 0 PID: 6605 Comm: syz.1.177 Tainted: G B syzkaller #0 [ 94.181029][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.182735][ T6605] Call trace: [ 94.183270][ T6605] dump_backtrace+0x0/0x458 [ 94.184038][ T6605] show_stack+0x2c/0x3c [ 94.184751][ T6605] __dump_stack+0x30/0x40 [ 94.185517][ T6605] dump_stack_lvl+0xf4/0x15c [ 94.186372][ T6605] dump_stack+0x1c/0x5c [ 94.187114][ T6605] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.188074][ T6605] f2fs_iget+0x1b2c/0x5110 [ 94.188874][ T6605] f2fs_nfs_get_inode+0x80/0x118 [ 94.189719][ T6605] generic_fh_to_dentry+0x9c/0x104 [ 94.190587][ T6605] f2fs_fh_to_dentry+0x44/0x58 [ 94.191375][ T6605] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.192272][ T6605] exportfs_decode_fh+0x50/0x80 [ 94.193025][ T6605] do_handle_open+0x530/0x924 [ 94.193796][ T6605] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.194722][ T6605] invoke_syscall+0x98/0x2b0 [ 94.195505][ T6605] el0_svc_common+0x138/0x258 [ 94.196332][ T6605] do_el0_svc+0x58/0x13c [ 94.197070][ T6605] el0_svc+0x78/0x1d0 [ 94.197660][ T6605] el0t_64_sync_handler+0xcc/0xe4 [ 94.198455][ T6605] el0t_64_sync+0x1a0/0x1a4 [ 94.206811][ T6605] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.212316][ T6605] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.213657][ T6605] CPU: 0 PID: 6605 Comm: syz.1.177 Tainted: G B syzkaller #0 [ 94.215020][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.216665][ T6605] Call trace: [ 94.217238][ T6605] dump_backtrace+0x0/0x458 [ 94.218067][ T6605] show_stack+0x2c/0x3c [ 94.218754][ T6605] __dump_stack+0x30/0x40 [ 94.219500][ T6605] dump_stack_lvl+0xf4/0x15c [ 94.220369][ T6605] dump_stack+0x1c/0x5c [ 94.221096][ T6605] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.222028][ T6605] f2fs_iget+0x1b2c/0x5110 [ 94.222760][ T6605] f2fs_nfs_get_inode+0x80/0x118 [ 94.223540][ T6605] generic_fh_to_dentry+0x9c/0x104 [ 94.224433][ T6605] f2fs_fh_to_dentry+0x44/0x58 [ 94.225327][ T6605] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.226267][ T6605] exportfs_decode_fh+0x50/0x80 [ 94.227131][ T6605] do_handle_open+0x530/0x924 [ 94.227948][ T6605] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.228944][ T6605] invoke_syscall+0x98/0x2b0 [ 94.229746][ T6605] el0_svc_common+0x138/0x258 [ 94.230505][ T6605] do_el0_svc+0x58/0x13c [ 94.231236][ T6605] el0_svc+0x78/0x1d0 [ 94.231922][ T6605] el0t_64_sync_handler+0xcc/0xe4 [ 94.232801][ T6605] el0t_64_sync+0x1a0/0x1a4 [ 94.259268][ T6605] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.287741][ T6621] F2FS-fs (loop0): Found nat_bits in checkpoint [ 94.316858][ T6621] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 94.318862][ T6621] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.320203][ T6621] CPU: 0 PID: 6621 Comm: syz.0.179 Tainted: G B syzkaller #0 [ 94.321623][ T6621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.323415][ T6621] Call trace: [ 94.323985][ T6621] dump_backtrace+0x0/0x458 [ 94.324748][ T6621] show_stack+0x2c/0x3c [ 94.325467][ T6621] __dump_stack+0x30/0x40 [ 94.326243][ T6621] dump_stack_lvl+0xf4/0x15c [ 94.327030][ T6621] dump_stack+0x1c/0x5c [ 94.327726][ T6621] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.328655][ T6621] f2fs_iget+0x1b2c/0x5110 [ 94.329379][ T6621] f2fs_nfs_get_inode+0x80/0x118 [ 94.330192][ T6621] generic_fh_to_dentry+0x9c/0x104 [ 94.331080][ T6621] f2fs_fh_to_dentry+0x44/0x58 [ 94.331847][ T6621] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.332737][ T6621] exportfs_decode_fh+0x50/0x80 [ 94.333513][ T6621] do_handle_open+0x530/0x924 [ 94.334226][ T6621] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.335226][ T6621] invoke_syscall+0x98/0x2b0 [ 94.335968][ T6621] el0_svc_common+0x138/0x258 [ 94.336772][ T6621] do_el0_svc+0x58/0x13c [ 94.337451][ T6621] el0_svc+0x78/0x1d0 [ 94.338125][ T6621] el0t_64_sync_handler+0xcc/0xe4 [ 94.338967][ T6621] el0t_64_sync+0x1a0/0x1a4 [ 94.381316][ T6621] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.396110][ T6647] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.397486][ T6647] CPU: 0 PID: 6647 Comm: syz.0.179 Tainted: G B syzkaller #0 [ 94.399011][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.400665][ T6647] Call trace: [ 94.401196][ T6647] dump_backtrace+0x0/0x458 [ 94.401928][ T6647] show_stack+0x2c/0x3c [ 94.402663][ T6647] __dump_stack+0x30/0x40 [ 94.403424][ T6647] dump_stack_lvl+0xf4/0x15c [ 94.404238][ T6647] dump_stack+0x1c/0x5c [ 94.404945][ T6647] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.405867][ T6647] f2fs_iget+0x1b2c/0x5110 [ 94.406659][ T6647] f2fs_nfs_get_inode+0x80/0x118 [ 94.407518][ T6647] generic_fh_to_dentry+0x9c/0x104 [ 94.408422][ T6647] f2fs_fh_to_dentry+0x44/0x58 [ 94.409255][ T6647] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.410165][ T6647] exportfs_decode_fh+0x50/0x80 [ 94.410963][ T6647] do_handle_open+0x530/0x924 [ 94.411805][ T6647] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.412798][ T6647] invoke_syscall+0x98/0x2b0 [ 94.413551][ T6647] el0_svc_common+0x138/0x258 [ 94.414338][ T6647] do_el0_svc+0x58/0x13c [ 94.415100][ T6647] el0_svc+0x78/0x1d0 [ 94.415781][ T6647] el0t_64_sync_handler+0xcc/0xe4 [ 94.416553][ T6647] el0t_64_sync+0x1a0/0x1a4 [ 94.456781][ T6631] F2FS-fs (loop4): Found nat_bits in checkpoint [ 94.462248][ T6647] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.475412][ T6640] F2FS-fs (loop3): Found nat_bits in checkpoint [ 94.483031][ T6631] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 94.485968][ T6631] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.485974][ T6640] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 94.487281][ T6631] CPU: 0 PID: 6631 Comm: syz.4.180 Tainted: G B syzkaller #0 [ 94.489961][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.491681][ T6631] Call trace: [ 94.492254][ T6631] dump_backtrace+0x0/0x458 [ 94.493014][ T6631] show_stack+0x2c/0x3c [ 94.493773][ T6631] __dump_stack+0x30/0x40 [ 94.494501][ T6631] dump_stack_lvl+0xf4/0x15c [ 94.495282][ T6631] dump_stack+0x1c/0x5c [ 94.495917][ T6631] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.496843][ T6631] f2fs_iget+0x1b2c/0x5110 [ 94.497589][ T6631] f2fs_nfs_get_inode+0x80/0x118 [ 94.498418][ T6631] generic_fh_to_dentry+0x9c/0x104 [ 94.499261][ T6631] f2fs_fh_to_dentry+0x44/0x58 [ 94.500012][ T6631] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.500931][ T6631] exportfs_decode_fh+0x50/0x80 [ 94.501765][ T6631] do_handle_open+0x530/0x924 [ 94.502542][ T6631] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.503503][ T6631] invoke_syscall+0x98/0x2b0 [ 94.504301][ T6631] el0_svc_common+0x138/0x258 [ 94.505109][ T6631] do_el0_svc+0x58/0x13c [ 94.505888][ T6631] el0_svc+0x78/0x1d0 [ 94.506586][ T6631] el0t_64_sync_handler+0xcc/0xe4 [ 94.507455][ T6631] el0t_64_sync+0x1a0/0x1a4 [ 94.510262][ T6640] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.511635][ T6640] CPU: 1 PID: 6640 Comm: syz.3.181 Tainted: G B syzkaller #0 [ 94.513149][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.514959][ T6640] Call trace: [ 94.515539][ T6640] dump_backtrace+0x0/0x458 [ 94.516337][ T6640] show_stack+0x2c/0x3c [ 94.517031][ T6640] __dump_stack+0x30/0x40 [ 94.517766][ T6640] dump_stack_lvl+0xf4/0x15c [ 94.518524][ T6640] dump_stack+0x1c/0x5c [ 94.519303][ T6640] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.520218][ T6640] f2fs_iget+0x1b2c/0x5110 [ 94.521000][ T6640] f2fs_nfs_get_inode+0x80/0x118 [ 94.521868][ T6640] generic_fh_to_dentry+0x9c/0x104 [ 94.522714][ T6640] f2fs_fh_to_dentry+0x44/0x58 [ 94.523516][ T6640] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.524492][ T6640] exportfs_decode_fh+0x50/0x80 [ 94.525364][ T6640] do_handle_open+0x530/0x924 [ 94.526199][ T6640] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.527137][ T6640] invoke_syscall+0x98/0x2b0 [ 94.527952][ T6640] el0_svc_common+0x138/0x258 [ 94.528770][ T6640] do_el0_svc+0x58/0x13c [ 94.529476][ T6640] el0_svc+0x78/0x1d0 [ 94.530177][ T6640] el0t_64_sync_handler+0xcc/0xe4 [ 94.531073][ T6640] el0t_64_sync+0x1a0/0x1a4 [ 94.561157][ T6640] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.563505][ T6656] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.564403][ T6631] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.565960][ T6656] CPU: 1 PID: 6656 Comm: syz.3.181 Tainted: G B syzkaller #0 [ 94.568143][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.569779][ T6656] Call trace: [ 94.570347][ T6656] dump_backtrace+0x0/0x458 [ 94.571189][ T6656] show_stack+0x2c/0x3c [ 94.571858][ T6656] __dump_stack+0x30/0x40 [ 94.572620][ T6656] dump_stack_lvl+0xf4/0x15c [ 94.573396][ T6656] dump_stack+0x1c/0x5c [ 94.574148][ T6656] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.575075][ T6656] f2fs_iget+0x1b2c/0x5110 [ 94.575924][ T6656] f2fs_nfs_get_inode+0x80/0x118 [ 94.576824][ T6656] generic_fh_to_dentry+0x9c/0x104 [ 94.577738][ T6656] f2fs_fh_to_dentry+0x44/0x58 [ 94.578563][ T6656] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.579486][ T6656] exportfs_decode_fh+0x50/0x80 [ 94.579892][ T6638] set_capacity_and_notify: 33 callbacks suppressed [ 94.579899][ T6638] loop2: detected capacity change from 0 to 40427 [ 94.580329][ T6656] do_handle_open+0x530/0x924 [ 94.583181][ T6656] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.584119][ T6656] invoke_syscall+0x98/0x2b0 [ 94.584897][ T6656] el0_svc_common+0x138/0x258 [ 94.585696][ T6656] do_el0_svc+0x58/0x13c [ 94.586390][ T6656] el0_svc+0x78/0x1d0 [ 94.587054][ T6656] el0t_64_sync_handler+0xcc/0xe4 [ 94.587943][ T6656] el0t_64_sync+0x1a0/0x1a4 [ 94.591580][ T6657] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.592861][ T6657] CPU: 0 PID: 6657 Comm: syz.4.180 Tainted: G B syzkaller #0 [ 94.594271][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.595992][ T6657] Call trace: [ 94.596524][ T6657] dump_backtrace+0x0/0x458 [ 94.597316][ T6657] show_stack+0x2c/0x3c [ 94.598043][ T6657] __dump_stack+0x30/0x40 [ 94.598787][ T6657] dump_stack_lvl+0xf4/0x15c [ 94.599548][ T6657] dump_stack+0x1c/0x5c [ 94.600249][ T6657] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.601181][ T6657] f2fs_iget+0x1b2c/0x5110 [ 94.601859][ T6657] f2fs_nfs_get_inode+0x80/0x118 [ 94.602662][ T6657] generic_fh_to_dentry+0x9c/0x104 [ 94.603528][ T6657] f2fs_fh_to_dentry+0x44/0x58 [ 94.604315][ T6657] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.605250][ T6657] exportfs_decode_fh+0x50/0x80 [ 94.606050][ T6657] do_handle_open+0x530/0x924 [ 94.606871][ T6657] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.607864][ T6657] invoke_syscall+0x98/0x2b0 [ 94.608577][ T6657] el0_svc_common+0x138/0x258 [ 94.609356][ T6657] do_el0_svc+0x58/0x13c [ 94.610034][ T6657] el0_svc+0x78/0x1d0 [ 94.610715][ T6657] el0t_64_sync_handler+0xcc/0xe4 [ 94.611581][ T6657] el0t_64_sync+0x1a0/0x1a4 [ 94.613557][ T6656] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.617964][ T6645] loop1: detected capacity change from 0 to 40427 [ 94.645950][ T6657] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.650204][ T6638] F2FS-fs (loop2): Found nat_bits in checkpoint [ 94.661718][ T6638] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 94.670549][ T6638] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.671770][ T6638] CPU: 0 PID: 6638 Comm: syz.2.182 Tainted: G B syzkaller #0 [ 94.673148][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.674844][ T6638] Call trace: [ 94.675616][ T6638] dump_backtrace+0x0/0x458 [ 94.676365][ T6638] show_stack+0x2c/0x3c [ 94.677134][ T6638] __dump_stack+0x30/0x40 [ 94.677909][ T6638] dump_stack_lvl+0xf4/0x15c [ 94.678657][ T6638] dump_stack+0x1c/0x5c [ 94.679362][ T6638] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.680221][ T6638] f2fs_iget+0x1b2c/0x5110 [ 94.680952][ T6638] f2fs_nfs_get_inode+0x80/0x118 [ 94.681826][ T6638] generic_fh_to_dentry+0x9c/0x104 [ 94.682714][ T6638] f2fs_fh_to_dentry+0x44/0x58 [ 94.683494][ T6638] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.684421][ T6638] exportfs_decode_fh+0x50/0x80 [ 94.685216][ T6638] do_handle_open+0x530/0x924 [ 94.686046][ T6638] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.687002][ T6638] invoke_syscall+0x98/0x2b0 [ 94.687893][ T6638] el0_svc_common+0x138/0x258 [ 94.688725][ T6638] do_el0_svc+0x58/0x13c [ 94.689463][ T6638] el0_svc+0x78/0x1d0 [ 94.690200][ T6638] el0t_64_sync_handler+0xcc/0xe4 [ 94.691054][ T6638] el0t_64_sync+0x1a0/0x1a4 [ 94.712987][ T6645] F2FS-fs (loop1): Found nat_bits in checkpoint [ 94.734131][ T6645] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 94.736030][ T6645] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.737345][ T6645] CPU: 0 PID: 6645 Comm: syz.1.183 Tainted: G B syzkaller #0 [ 94.738890][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.740621][ T6645] Call trace: [ 94.741200][ T6645] dump_backtrace+0x0/0x458 [ 94.741996][ T6645] show_stack+0x2c/0x3c [ 94.742725][ T6645] __dump_stack+0x30/0x40 [ 94.743526][ T6645] dump_stack_lvl+0xf4/0x15c [ 94.744351][ T6645] dump_stack+0x1c/0x5c [ 94.745067][ T6645] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.745997][ T6645] f2fs_iget+0x1b2c/0x5110 [ 94.746848][ T6645] f2fs_nfs_get_inode+0x80/0x118 [ 94.747708][ T6645] generic_fh_to_dentry+0x9c/0x104 [ 94.748608][ T6645] f2fs_fh_to_dentry+0x44/0x58 [ 94.749444][ T6645] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.750416][ T6645] exportfs_decode_fh+0x50/0x80 [ 94.751249][ T6645] do_handle_open+0x530/0x924 [ 94.752072][ T6645] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.753049][ T6645] invoke_syscall+0x98/0x2b0 [ 94.753818][ T6645] el0_svc_common+0x138/0x258 [ 94.754603][ T6645] do_el0_svc+0x58/0x13c [ 94.755327][ T6645] el0_svc+0x78/0x1d0 [ 94.756012][ T6645] el0t_64_sync_handler+0xcc/0xe4 [ 94.756852][ T6645] el0t_64_sync+0x1a0/0x1a4 [ 94.766037][ T6666] loop0: detected capacity change from 0 to 40427 [ 94.784109][ T6638] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.786201][ T6670] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.787595][ T6670] CPU: 1 PID: 6670 Comm: syz.2.182 Tainted: G B syzkaller #0 [ 94.789094][ T6670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.790867][ T6670] Call trace: [ 94.791398][ T6670] dump_backtrace+0x0/0x458 [ 94.792193][ T6670] show_stack+0x2c/0x3c [ 94.792944][ T6670] __dump_stack+0x30/0x40 [ 94.793688][ T6670] dump_stack_lvl+0xf4/0x15c [ 94.794468][ T6670] dump_stack+0x1c/0x5c [ 94.795228][ T6670] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.796136][ T6670] f2fs_iget+0x1b2c/0x5110 [ 94.796945][ T6670] f2fs_nfs_get_inode+0x80/0x118 [ 94.797769][ T6670] generic_fh_to_dentry+0x9c/0x104 [ 94.798684][ T6670] f2fs_fh_to_dentry+0x44/0x58 [ 94.799525][ T6670] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.800488][ T6670] exportfs_decode_fh+0x50/0x80 [ 94.801313][ T6670] do_handle_open+0x530/0x924 [ 94.802131][ T6670] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.803222][ T6670] invoke_syscall+0x98/0x2b0 [ 94.804022][ T6670] el0_svc_common+0x138/0x258 [ 94.804887][ T6670] do_el0_svc+0x58/0x13c [ 94.805684][ T6670] el0_svc+0x78/0x1d0 [ 94.806381][ T6670] el0t_64_sync_handler+0xcc/0xe4 [ 94.807184][ T6670] el0t_64_sync+0x1a0/0x1a4 [ 94.808974][ T6645] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.817353][ T6672] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.818634][ T6672] CPU: 0 PID: 6672 Comm: syz.1.183 Tainted: G B syzkaller #0 [ 94.820128][ T6672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.821839][ T6672] Call trace: [ 94.822414][ T6672] dump_backtrace+0x0/0x458 [ 94.823141][ T6672] show_stack+0x2c/0x3c [ 94.823809][ T6672] __dump_stack+0x30/0x40 [ 94.824504][ T6672] dump_stack_lvl+0xf4/0x15c [ 94.825188][ T6672] dump_stack+0x1c/0x5c [ 94.825827][ T6672] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.826736][ T6672] f2fs_iget+0x1b2c/0x5110 [ 94.827525][ T6672] f2fs_nfs_get_inode+0x80/0x118 [ 94.828361][ T6672] generic_fh_to_dentry+0x9c/0x104 [ 94.829173][ T6672] f2fs_fh_to_dentry+0x44/0x58 [ 94.829948][ T6672] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.830760][ T6672] exportfs_decode_fh+0x50/0x80 [ 94.831578][ T6672] do_handle_open+0x530/0x924 [ 94.832323][ T6672] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.833317][ T6672] invoke_syscall+0x98/0x2b0 [ 94.834158][ T6672] el0_svc_common+0x138/0x258 [ 94.834937][ T6672] do_el0_svc+0x58/0x13c [ 94.835644][ T6672] el0_svc+0x78/0x1d0 [ 94.836351][ T6672] el0t_64_sync_handler+0xcc/0xe4 [ 94.837177][ T6672] el0t_64_sync+0x1a0/0x1a4 [ 94.858576][ T6672] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.861275][ T6666] F2FS-fs (loop0): Found nat_bits in checkpoint [ 94.875963][ T6670] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.876377][ T6666] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 94.880254][ T6666] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.881926][ T6666] CPU: 1 PID: 6666 Comm: syz.0.184 Tainted: G B syzkaller #0 [ 94.883303][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.885082][ T6666] Call trace: [ 94.885662][ T6666] dump_backtrace+0x0/0x458 [ 94.886416][ T6666] show_stack+0x2c/0x3c [ 94.887083][ T6666] __dump_stack+0x30/0x40 [ 94.887814][ T6666] dump_stack_lvl+0xf4/0x15c [ 94.888557][ T6666] dump_stack+0x1c/0x5c [ 94.889280][ T6666] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.890224][ T6666] f2fs_iget+0x1b2c/0x5110 [ 94.891004][ T6666] f2fs_nfs_get_inode+0x80/0x118 [ 94.891858][ T6666] generic_fh_to_dentry+0x9c/0x104 [ 94.892755][ T6666] f2fs_fh_to_dentry+0x44/0x58 [ 94.893581][ T6666] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.894512][ T6666] exportfs_decode_fh+0x50/0x80 [ 94.895383][ T6666] do_handle_open+0x530/0x924 [ 94.896213][ T6666] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.897254][ T6666] invoke_syscall+0x98/0x2b0 [ 94.898051][ T6666] el0_svc_common+0x138/0x258 [ 94.898915][ T6666] do_el0_svc+0x58/0x13c [ 94.899703][ T6666] el0_svc+0x78/0x1d0 [ 94.900383][ T6666] el0t_64_sync_handler+0xcc/0xe4 [ 94.901283][ T6666] el0t_64_sync+0x1a0/0x1a4 [ 94.913582][ T6666] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 94.944297][ T6660] loop3: detected capacity change from 0 to 40427 [ 94.944900][ T6666] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 94.946835][ T6666] CPU: 0 PID: 6666 Comm: syz.0.184 Tainted: G B syzkaller #0 [ 94.948237][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.949966][ T6666] Call trace: [ 94.950536][ T6666] dump_backtrace+0x0/0x458 [ 94.951253][ T6666] show_stack+0x2c/0x3c [ 94.952000][ T6666] __dump_stack+0x30/0x40 [ 94.952712][ T6666] dump_stack_lvl+0xf4/0x15c [ 94.953462][ T6666] dump_stack+0x1c/0x5c [ 94.954131][ T6666] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 94.954960][ T6666] f2fs_iget+0x1b2c/0x5110 [ 94.955712][ T6666] f2fs_nfs_get_inode+0x80/0x118 [ 94.956515][ T6666] generic_fh_to_dentry+0x9c/0x104 [ 94.957368][ T6666] f2fs_fh_to_dentry+0x44/0x58 [ 94.958126][ T6666] exportfs_decode_fh_raw+0x13c/0x4e8 [ 94.959008][ T6666] exportfs_decode_fh+0x50/0x80 [ 94.959864][ T6666] do_handle_open+0x530/0x924 [ 94.960679][ T6666] __arm64_sys_open_by_handle_at+0x80/0x94 [ 94.961700][ T6666] invoke_syscall+0x98/0x2b0 [ 94.962452][ T6666] el0_svc_common+0x138/0x258 [ 94.963277][ T6666] do_el0_svc+0x58/0x13c [ 94.963987][ T6666] el0_svc+0x78/0x1d0 [ 94.964717][ T6666] el0t_64_sync_handler+0xcc/0xe4 [ 94.965603][ T6666] el0t_64_sync+0x1a0/0x1a4 [ 94.984436][ T6666] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.009139][ T6673] loop4: detected capacity change from 0 to 40427 [ 95.050256][ T6660] F2FS-fs (loop3): Found nat_bits in checkpoint [ 95.066740][ T6660] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 95.070400][ T6660] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.071827][ T6660] CPU: 0 PID: 6660 Comm: syz.3.185 Tainted: G B syzkaller #0 [ 95.073252][ T6660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.075006][ T6660] Call trace: [ 95.075575][ T6660] dump_backtrace+0x0/0x458 [ 95.076335][ T6660] show_stack+0x2c/0x3c [ 95.077074][ T6660] __dump_stack+0x30/0x40 [ 95.077832][ T6660] dump_stack_lvl+0xf4/0x15c [ 95.078640][ T6660] dump_stack+0x1c/0x5c [ 95.079353][ T6660] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.080284][ T6660] f2fs_iget+0x1b2c/0x5110 [ 95.081020][ T6660] f2fs_nfs_get_inode+0x80/0x118 [ 95.081940][ T6660] generic_fh_to_dentry+0x9c/0x104 [ 95.082806][ T6660] f2fs_fh_to_dentry+0x44/0x58 [ 95.083587][ T6660] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.084523][ T6660] exportfs_decode_fh+0x50/0x80 [ 95.085297][ T6660] do_handle_open+0x530/0x924 [ 95.086122][ T6660] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.087088][ T6660] invoke_syscall+0x98/0x2b0 [ 95.087883][ T6660] el0_svc_common+0x138/0x258 [ 95.088677][ T6660] do_el0_svc+0x58/0x13c [ 95.089442][ T6660] el0_svc+0x78/0x1d0 [ 95.090115][ T6660] el0t_64_sync_handler+0xcc/0xe4 [ 95.090930][ T6660] el0t_64_sync+0x1a0/0x1a4 [ 95.113781][ T6673] F2FS-fs (loop4): Found nat_bits in checkpoint [ 95.129413][ T6673] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 95.131136][ T6673] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.132499][ T6673] CPU: 1 PID: 6673 Comm: syz.4.186 Tainted: G B syzkaller #0 [ 95.133992][ T6673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.135769][ T6673] Call trace: [ 95.136146][ T6679] loop1: detected capacity change from 0 to 40427 [ 95.136391][ T6673] dump_backtrace+0x0/0x458 [ 95.137952][ T6660] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.138226][ T6673] show_stack+0x2c/0x3c [ 95.140864][ T6673] __dump_stack+0x30/0x40 [ 95.141547][ T6673] dump_stack_lvl+0xf4/0x15c [ 95.142366][ T6673] dump_stack+0x1c/0x5c [ 95.143126][ T6673] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.144062][ T6673] f2fs_iget+0x1b2c/0x5110 [ 95.144858][ T6673] f2fs_nfs_get_inode+0x80/0x118 [ 95.145768][ T6673] generic_fh_to_dentry+0x9c/0x104 [ 95.146616][ T6673] f2fs_fh_to_dentry+0x44/0x58 [ 95.147378][ T6673] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.148320][ T6673] exportfs_decode_fh+0x50/0x80 [ 95.149183][ T6673] do_handle_open+0x530/0x924 [ 95.150040][ T6673] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.151031][ T6673] invoke_syscall+0x98/0x2b0 [ 95.151789][ T6673] el0_svc_common+0x138/0x258 [ 95.152613][ T6673] do_el0_svc+0x58/0x13c [ 95.153357][ T6673] el0_svc+0x78/0x1d0 [ 95.154055][ T6673] el0t_64_sync_handler+0xcc/0xe4 [ 95.154851][ T6673] el0t_64_sync+0x1a0/0x1a4 [ 95.156230][ T6692] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.157436][ T6692] CPU: 0 PID: 6692 Comm: syz.3.185 Tainted: G B syzkaller #0 [ 95.158764][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.160230][ T6692] Call trace: [ 95.160713][ T6692] dump_backtrace+0x0/0x458 [ 95.161437][ T6692] show_stack+0x2c/0x3c [ 95.162100][ T6692] __dump_stack+0x30/0x40 [ 95.162779][ T6692] dump_stack_lvl+0xf4/0x15c [ 95.163513][ T6692] dump_stack+0x1c/0x5c [ 95.164117][ T6692] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.164925][ T6692] f2fs_iget+0x1b2c/0x5110 [ 95.165608][ T6692] f2fs_nfs_get_inode+0x80/0x118 [ 95.166390][ T6692] generic_fh_to_dentry+0x9c/0x104 [ 95.167134][ T6692] f2fs_fh_to_dentry+0x44/0x58 [ 95.167982][ T6692] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.168879][ T6692] exportfs_decode_fh+0x50/0x80 [ 95.169767][ T6692] do_handle_open+0x530/0x924 [ 95.170559][ T6692] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.171626][ T6692] invoke_syscall+0x98/0x2b0 [ 95.172380][ T6692] el0_svc_common+0x138/0x258 [ 95.173191][ T6692] do_el0_svc+0x58/0x13c [ 95.173895][ T6692] el0_svc+0x78/0x1d0 [ 95.174581][ T6692] el0t_64_sync_handler+0xcc/0xe4 [ 95.175469][ T6692] el0t_64_sync+0x1a0/0x1a4 [ 95.204216][ T6673] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.206584][ T6694] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.207889][ T6694] CPU: 0 PID: 6694 Comm: syz.4.186 Tainted: G B syzkaller #0 [ 95.209373][ T6694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.211188][ T6694] Call trace: [ 95.211757][ T6694] dump_backtrace+0x0/0x458 [ 95.212574][ T6694] show_stack+0x2c/0x3c [ 95.213270][ T6694] __dump_stack+0x30/0x40 [ 95.214031][ T6694] dump_stack_lvl+0xf4/0x15c [ 95.214806][ T6694] dump_stack+0x1c/0x5c [ 95.215514][ T6694] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.216403][ T6694] f2fs_iget+0x1b2c/0x5110 [ 95.217156][ T6694] f2fs_nfs_get_inode+0x80/0x118 [ 95.218008][ T6694] generic_fh_to_dentry+0x9c/0x104 [ 95.218864][ T6694] f2fs_fh_to_dentry+0x44/0x58 [ 95.219642][ T6694] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.220621][ T6694] exportfs_decode_fh+0x50/0x80 [ 95.221452][ T6694] do_handle_open+0x530/0x924 [ 95.222243][ T6694] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.223242][ T6694] invoke_syscall+0x98/0x2b0 [ 95.224044][ T6694] el0_svc_common+0x138/0x258 [ 95.224885][ T6694] do_el0_svc+0x58/0x13c [ 95.225665][ T6694] el0_svc+0x78/0x1d0 [ 95.226353][ T6694] el0t_64_sync_handler+0xcc/0xe4 [ 95.227271][ T6694] el0t_64_sync+0x1a0/0x1a4 [ 95.229903][ T6683] loop0: detected capacity change from 0 to 40427 [ 95.231173][ T6692] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.232686][ T6679] F2FS-fs (loop1): Found nat_bits in checkpoint [ 95.246382][ T6681] loop2: detected capacity change from 0 to 40427 [ 95.249182][ T6679] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 95.251013][ T6679] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.252266][ T6679] CPU: 0 PID: 6679 Comm: syz.1.187 Tainted: G B syzkaller #0 [ 95.253774][ T6679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.255416][ T6679] Call trace: [ 95.255944][ T6679] dump_backtrace+0x0/0x458 [ 95.256701][ T6679] show_stack+0x2c/0x3c [ 95.257409][ T6679] __dump_stack+0x30/0x40 [ 95.258096][ T6694] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.258142][ T6679] dump_stack_lvl+0xf4/0x15c [ 95.260970][ T6679] dump_stack+0x1c/0x5c [ 95.261615][ T6679] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.262445][ T6679] f2fs_iget+0x1b2c/0x5110 [ 95.263239][ T6679] f2fs_nfs_get_inode+0x80/0x118 [ 95.264082][ T6679] generic_fh_to_dentry+0x9c/0x104 [ 95.264947][ T6679] f2fs_fh_to_dentry+0x44/0x58 [ 95.265747][ T6679] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.266707][ T6679] exportfs_decode_fh+0x50/0x80 [ 95.267587][ T6679] do_handle_open+0x530/0x924 [ 95.268440][ T6679] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.269450][ T6679] invoke_syscall+0x98/0x2b0 [ 95.270245][ T6679] el0_svc_common+0x138/0x258 [ 95.271061][ T6679] do_el0_svc+0x58/0x13c [ 95.271818][ T6679] el0_svc+0x78/0x1d0 [ 95.272506][ T6679] el0t_64_sync_handler+0xcc/0xe4 [ 95.273311][ T6679] el0t_64_sync+0x1a0/0x1a4 [ 95.276281][ T6679] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.278399][ T6679] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.280917][ T6679] CPU: 1 PID: 6679 Comm: syz.1.187 Tainted: G B syzkaller #0 [ 95.282348][ T6679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.284011][ T6679] Call trace: [ 95.284608][ T6679] dump_backtrace+0x0/0x458 [ 95.285452][ T6679] show_stack+0x2c/0x3c [ 95.286185][ T6679] __dump_stack+0x30/0x40 [ 95.286964][ T6679] dump_stack_lvl+0xf4/0x15c [ 95.287817][ T6679] dump_stack+0x1c/0x5c [ 95.288524][ T6679] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.289474][ T6679] f2fs_iget+0x1b2c/0x5110 [ 95.290216][ T6679] f2fs_nfs_get_inode+0x80/0x118 [ 95.291058][ T6679] generic_fh_to_dentry+0x9c/0x104 [ 95.291920][ T6679] f2fs_fh_to_dentry+0x44/0x58 [ 95.292746][ T6679] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.293739][ T6679] exportfs_decode_fh+0x50/0x80 [ 95.294587][ T6679] do_handle_open+0x530/0x924 [ 95.295381][ T6679] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.296355][ T6679] invoke_syscall+0x98/0x2b0 [ 95.297174][ T6679] el0_svc_common+0x138/0x258 [ 95.298013][ T6679] do_el0_svc+0x58/0x13c [ 95.298780][ T6679] el0_svc+0x78/0x1d0 [ 95.299451][ T6679] el0t_64_sync_handler+0xcc/0xe4 [ 95.300350][ T6679] el0t_64_sync+0x1a0/0x1a4 [ 95.301894][ T6679] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.308981][ T6681] F2FS-fs (loop2): Found nat_bits in checkpoint [ 95.343044][ T6681] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 95.344992][ T6681] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.345768][ T6683] F2FS-fs (loop0): Found nat_bits in checkpoint [ 95.346241][ T6681] CPU: 0 PID: 6681 Comm: syz.2.188 Tainted: G B syzkaller #0 [ 95.348885][ T6681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.350576][ T6681] Call trace: [ 95.351138][ T6681] dump_backtrace+0x0/0x458 [ 95.351927][ T6681] show_stack+0x2c/0x3c [ 95.352616][ T6681] __dump_stack+0x30/0x40 [ 95.353357][ T6681] dump_stack_lvl+0xf4/0x15c [ 95.354133][ T6681] dump_stack+0x1c/0x5c [ 95.354899][ T6681] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.355825][ T6681] f2fs_iget+0x1b2c/0x5110 [ 95.356601][ T6681] f2fs_nfs_get_inode+0x80/0x118 [ 95.357505][ T6681] generic_fh_to_dentry+0x9c/0x104 [ 95.358377][ T6681] f2fs_fh_to_dentry+0x44/0x58 [ 95.359202][ T6681] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.360110][ T6681] exportfs_decode_fh+0x50/0x80 [ 95.360950][ T6681] do_handle_open+0x530/0x924 [ 95.361750][ T6681] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.362801][ T6681] invoke_syscall+0x98/0x2b0 [ 95.363605][ T6681] el0_svc_common+0x138/0x258 [ 95.364331][ T6681] do_el0_svc+0x58/0x13c [ 95.365042][ T6681] el0_svc+0x78/0x1d0 [ 95.365778][ T6681] el0t_64_sync_handler+0xcc/0xe4 [ 95.366205][ T6683] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 95.366581][ T6681] el0t_64_sync+0x1a0/0x1a4 [ 95.368498][ T6683] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.370082][ T6683] CPU: 1 PID: 6683 Comm: syz.0.189 Tainted: G B syzkaller #0 [ 95.371527][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.373178][ T6683] Call trace: [ 95.373750][ T6683] dump_backtrace+0x0/0x458 [ 95.374500][ T6683] show_stack+0x2c/0x3c [ 95.375225][ T6683] __dump_stack+0x30/0x40 [ 95.375910][ T6683] dump_stack_lvl+0xf4/0x15c [ 95.376662][ T6683] dump_stack+0x1c/0x5c [ 95.377400][ T6683] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.378271][ T6683] f2fs_iget+0x1b2c/0x5110 [ 95.379081][ T6683] f2fs_nfs_get_inode+0x80/0x118 [ 95.379969][ T6683] generic_fh_to_dentry+0x9c/0x104 [ 95.380889][ T6683] f2fs_fh_to_dentry+0x44/0x58 [ 95.381701][ T6683] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.382685][ T6683] exportfs_decode_fh+0x50/0x80 [ 95.383495][ T6683] do_handle_open+0x530/0x924 [ 95.384245][ T6683] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.385210][ T6683] invoke_syscall+0x98/0x2b0 [ 95.386030][ T6683] el0_svc_common+0x138/0x258 [ 95.386873][ T6683] do_el0_svc+0x58/0x13c [ 95.387625][ T6683] el0_svc+0x78/0x1d0 [ 95.388283][ T6683] el0t_64_sync_handler+0xcc/0xe4 [ 95.389185][ T6683] el0t_64_sync+0x1a0/0x1a4 [ 95.410324][ T6681] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.415124][ T6710] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.416355][ T6710] CPU: 0 PID: 6710 Comm: syz.2.188 Tainted: G B syzkaller #0 [ 95.417725][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.419499][ T6710] Call trace: [ 95.420029][ T6710] dump_backtrace+0x0/0x458 [ 95.420770][ T6710] show_stack+0x2c/0x3c [ 95.421445][ T6710] __dump_stack+0x30/0x40 [ 95.422118][ T6710] dump_stack_lvl+0xf4/0x15c [ 95.422856][ T6710] dump_stack+0x1c/0x5c [ 95.423552][ T6710] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.424461][ T6710] f2fs_iget+0x1b2c/0x5110 [ 95.425262][ T6710] f2fs_nfs_get_inode+0x80/0x118 [ 95.426085][ T6710] generic_fh_to_dentry+0x9c/0x104 [ 95.427010][ T6710] f2fs_fh_to_dentry+0x44/0x58 [ 95.427856][ T6710] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.428749][ T6710] exportfs_decode_fh+0x50/0x80 [ 95.429578][ T6710] do_handle_open+0x530/0x924 [ 95.430415][ T6710] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.431445][ T6710] invoke_syscall+0x98/0x2b0 [ 95.432237][ T6710] el0_svc_common+0x138/0x258 [ 95.433009][ T6710] do_el0_svc+0x58/0x13c [ 95.433688][ T6710] el0_svc+0x78/0x1d0 [ 95.434397][ T6710] el0t_64_sync_handler+0xcc/0xe4 [ 95.435289][ T6710] el0t_64_sync+0x1a0/0x1a4 [ 95.443948][ T6683] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.461914][ T6711] F2FS-fs (loop0): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.463298][ T6711] CPU: 0 PID: 6711 Comm: syz.0.189 Tainted: G B syzkaller #0 [ 95.464764][ T6711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.466552][ T6711] Call trace: [ 95.467134][ T6711] dump_backtrace+0x0/0x458 [ 95.467877][ T6711] show_stack+0x2c/0x3c [ 95.468575][ T6711] __dump_stack+0x30/0x40 [ 95.469315][ T6711] dump_stack_lvl+0xf4/0x15c [ 95.470158][ T6711] dump_stack+0x1c/0x5c [ 95.470854][ T6711] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.471744][ T6711] f2fs_iget+0x1b2c/0x5110 [ 95.472483][ T6711] f2fs_nfs_get_inode+0x80/0x118 [ 95.473371][ T6711] generic_fh_to_dentry+0x9c/0x104 [ 95.474230][ T6711] f2fs_fh_to_dentry+0x44/0x58 [ 95.475075][ T6711] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.476044][ T6711] exportfs_decode_fh+0x50/0x80 [ 95.476868][ T6711] do_handle_open+0x530/0x924 [ 95.477675][ T6711] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.478597][ T6711] invoke_syscall+0x98/0x2b0 [ 95.479402][ T6711] el0_svc_common+0x138/0x258 [ 95.480243][ T6711] do_el0_svc+0x58/0x13c [ 95.480987][ T6711] el0_svc+0x78/0x1d0 [ 95.481641][ T6711] el0t_64_sync_handler+0xcc/0xe4 [ 95.482500][ T6711] el0t_64_sync+0x1a0/0x1a4 [ 95.504127][ T6710] F2FS-fs (loop2): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.594155][ T6711] F2FS-fs (loop0): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.600168][ T6706] loop4: detected capacity change from 0 to 40427 [ 95.621489][ T6708] loop3: detected capacity change from 0 to 40427 [ 95.684811][ T6706] F2FS-fs (loop4): Found nat_bits in checkpoint [ 95.696846][ T6706] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 95.698951][ T6708] F2FS-fs (loop3): Found nat_bits in checkpoint [ 95.703937][ T6706] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.712402][ T6706] CPU: 0 PID: 6706 Comm: syz.4.191 Tainted: G B syzkaller #0 [ 95.713733][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.715324][ T6706] Call trace: [ 95.715838][ T6706] dump_backtrace+0x0/0x458 [ 95.716555][ T6706] show_stack+0x2c/0x3c [ 95.717220][ T6706] __dump_stack+0x30/0x40 [ 95.717895][ T6706] dump_stack_lvl+0xf4/0x15c [ 95.718628][ T6706] dump_stack+0x1c/0x5c [ 95.719228][ T6706] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.720147][ T6706] f2fs_iget+0x1b2c/0x5110 [ 95.720916][ T6706] f2fs_nfs_get_inode+0x80/0x118 [ 95.721767][ T6706] generic_fh_to_dentry+0x9c/0x104 [ 95.722649][ T6706] f2fs_fh_to_dentry+0x44/0x58 [ 95.723439][ T6706] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.724341][ T6706] exportfs_decode_fh+0x50/0x80 [ 95.725172][ T6706] do_handle_open+0x530/0x924 [ 95.725961][ T6706] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.726878][ T6706] invoke_syscall+0x98/0x2b0 [ 95.727687][ T6706] el0_svc_common+0x138/0x258 [ 95.728512][ T6706] do_el0_svc+0x58/0x13c [ 95.729281][ T6706] el0_svc+0x78/0x1d0 [ 95.729943][ T6706] el0t_64_sync_handler+0xcc/0xe4 [ 95.730888][ T6706] el0t_64_sync+0x1a0/0x1a4 [ 95.759608][ T6708] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 95.759917][ T6713] F2FS-fs (loop1): Found nat_bits in checkpoint [ 95.765141][ T6708] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.766480][ T6708] CPU: 0 PID: 6708 Comm: syz.3.190 Tainted: G B syzkaller #0 [ 95.767987][ T6708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.769770][ T6708] Call trace: [ 95.770324][ T6708] dump_backtrace+0x0/0x458 [ 95.771097][ T6708] show_stack+0x2c/0x3c [ 95.771771][ T6708] __dump_stack+0x30/0x40 [ 95.772482][ T6708] dump_stack_lvl+0xf4/0x15c [ 95.773271][ T6708] dump_stack+0x1c/0x5c [ 95.774031][ T6708] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.775001][ T6708] f2fs_iget+0x1b2c/0x5110 [ 95.775746][ T6708] f2fs_nfs_get_inode+0x80/0x118 [ 95.776600][ T6708] generic_fh_to_dentry+0x9c/0x104 [ 95.777467][ T6708] f2fs_fh_to_dentry+0x44/0x58 [ 95.778257][ T6708] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.779249][ T6708] exportfs_decode_fh+0x50/0x80 [ 95.780082][ T6708] do_handle_open+0x530/0x924 [ 95.780929][ T6708] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.781911][ T6708] invoke_syscall+0x98/0x2b0 [ 95.782730][ T6708] el0_svc_common+0x138/0x258 [ 95.783578][ T6708] do_el0_svc+0x58/0x13c [ 95.784332][ T6708] el0_svc+0x78/0x1d0 [ 95.785004][ T6708] el0t_64_sync_handler+0xcc/0xe4 [ 95.785916][ T6708] el0t_64_sync+0x1a0/0x1a4 [ 95.818245][ T6706] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.822097][ T6731] F2FS-fs (loop4): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.823440][ T6731] CPU: 1 PID: 6731 Comm: syz.4.191 Tainted: G B syzkaller #0 [ 95.824873][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.826675][ T6731] Call trace: [ 95.827248][ T6731] dump_backtrace+0x0/0x458 [ 95.828100][ T6731] show_stack+0x2c/0x3c [ 95.828836][ T6731] __dump_stack+0x30/0x40 [ 95.829622][ T6731] dump_stack_lvl+0xf4/0x15c [ 95.830433][ T6731] dump_stack+0x1c/0x5c [ 95.831169][ T6731] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.832133][ T6731] f2fs_iget+0x1b2c/0x5110 [ 95.832824][ T6731] f2fs_nfs_get_inode+0x80/0x118 [ 95.833644][ T6731] generic_fh_to_dentry+0x9c/0x104 [ 95.834587][ T6731] f2fs_fh_to_dentry+0x44/0x58 [ 95.835434][ T6731] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.836384][ T6731] exportfs_decode_fh+0x50/0x80 [ 95.837163][ T6731] do_handle_open+0x530/0x924 [ 95.838001][ T6731] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.838451][ T6708] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.839067][ T6731] invoke_syscall+0x98/0x2b0 [ 95.841700][ T6731] el0_svc_common+0x138/0x258 [ 95.842460][ T6731] do_el0_svc+0x58/0x13c [ 95.843183][ T6731] el0_svc+0x78/0x1d0 [ 95.843865][ T6731] el0t_64_sync_handler+0xcc/0xe4 [ 95.844762][ T6731] el0t_64_sync+0x1a0/0x1a4 [ 95.844923][ T6713] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 95.847498][ T6729] F2FS-fs (loop3): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.848874][ T6729] CPU: 1 PID: 6729 Comm: syz.3.190 Tainted: G B syzkaller #0 [ 95.850467][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.852167][ T6729] Call trace: [ 95.852720][ T6729] dump_backtrace+0x0/0x458 [ 95.853496][ T6729] show_stack+0x2c/0x3c [ 95.854229][ T6729] __dump_stack+0x30/0x40 [ 95.854988][ T6729] dump_stack_lvl+0xf4/0x15c [ 95.855772][ T6729] dump_stack+0x1c/0x5c [ 95.856437][ T6729] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.857376][ T6729] f2fs_iget+0x1b2c/0x5110 [ 95.858111][ T6729] f2fs_nfs_get_inode+0x80/0x118 [ 95.858974][ T6729] generic_fh_to_dentry+0x9c/0x104 [ 95.859828][ T6729] f2fs_fh_to_dentry+0x44/0x58 [ 95.860649][ T6729] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.861587][ T6729] exportfs_decode_fh+0x50/0x80 [ 95.862424][ T6729] do_handle_open+0x530/0x924 [ 95.863250][ T6729] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.864265][ T6729] invoke_syscall+0x98/0x2b0 [ 95.864990][ T6729] el0_svc_common+0x138/0x258 [ 95.865852][ T6729] do_el0_svc+0x58/0x13c [ 95.866543][ T6729] el0_svc+0x78/0x1d0 [ 95.867202][ T6729] el0t_64_sync_handler+0xcc/0xe4 [ 95.868072][ T6729] el0t_64_sync+0x1a0/0x1a4 [ 95.870603][ T6731] F2FS-fs (loop4): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.873107][ T6713] F2FS-fs (loop1): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.876775][ T6713] CPU: 0 PID: 6713 Comm: syz.1.192 Tainted: G B syzkaller #0 [ 95.878208][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 95.879731][ T6713] Call trace: [ 95.880274][ T6713] dump_backtrace+0x0/0x458 [ 95.881023][ T6713] show_stack+0x2c/0x3c [ 95.881657][ T6713] __dump_stack+0x30/0x40 [ 95.882368][ T6713] dump_stack_lvl+0xf4/0x15c [ 95.883154][ T6713] dump_stack+0x1c/0x5c [ 95.883826][ T6713] f2fs_is_valid_blkaddr+0x9e8/0xf64 [ 95.884718][ T6713] f2fs_iget+0x1b2c/0x5110 [ 95.885462][ T6713] f2fs_nfs_get_inode+0x80/0x118 [ 95.886354][ T6713] generic_fh_to_dentry+0x9c/0x104 [ 95.887205][ T6713] f2fs_fh_to_dentry+0x44/0x58 [ 95.887961][ T6713] exportfs_decode_fh_raw+0x13c/0x4e8 [ 95.888820][ T6713] exportfs_decode_fh+0x50/0x80 [ 95.889617][ T6713] do_handle_open+0x530/0x924 [ 95.890451][ T6713] __arm64_sys_open_by_handle_at+0x80/0x94 [ 95.891429][ T6713] invoke_syscall+0x98/0x2b0 [ 95.892161][ T6713] el0_svc_common+0x138/0x258 [ 95.892922][ T6713] do_el0_svc+0x58/0x13c [ 95.893630][ T6713] el0_svc+0x78/0x1d0 [ 95.894277][ T6713] el0t_64_sync_handler+0xcc/0xe4 [ 95.895056][ T6713] el0t_64_sync+0x1a0/0x1a4 [ 95.907840][ T6715] F2FS-fs (loop2): Found nat_bits in checkpoint [ 95.911614][ T6729] F2FS-fs (loop3): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.921705][ T6713] F2FS-fs (loop1): sanity_check_inode: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix [ 95.925049][ T6717] F2FS-fs (loop0): Found nat_bits in checkpoint [ 95.928946][ T6715] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 95.930797][ T6715] F2FS-fs (loop2): Inconsistent error blkaddr:5634, sit bitmap:0 [ 95.932043][ T6715] CPU: 0 PID: 6715 Comm: syz.2.193 Tainted: G B syzkaller #0 [ 95.933397][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026