Warning: Permanently added '10.128.0.212' (ED25519) to the list of known hosts. executing program syzkaller login: [ 48.071234][ T4019] loop0: detected capacity change from 0 to 32768 [ 48.158332][ T4019] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 48.158332][ T4019] [ 48.161886][ T4019] ERROR: (device loop0): remounting filesystem as read-only [ 48.164019][ T4019] read_mapping_page failed! [ 48.165233][ T4019] bread failed! executing program [ 48.481090][ T4021] loop0: detected capacity change from 0 to 32768 [ 48.602875][ T4021] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 48.602875][ T4021] [ 48.606645][ T4021] ERROR: (device loop0): remounting filesystem as read-only [ 48.608989][ T4021] read_mapping_page failed! [ 48.610136][ T4021] bread failed! executing program [ 48.887778][ T4022] loop0: detected capacity change from 0 to 32768 [ 48.984199][ T4022] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 48.984199][ T4022] [ 48.987443][ T4022] ERROR: (device loop0): remounting filesystem as read-only [ 48.989409][ T4022] read_mapping_page failed! [ 48.990581][ T4022] bread failed! executing program [ 49.528629][ T4023] loop0: detected capacity change from 0 to 32768 [ 49.612537][ T4023] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 49.612537][ T4023] [ 49.615849][ T4023] ERROR: (device loop0): remounting filesystem as read-only [ 49.618136][ T4023] read_mapping_page failed! [ 49.619375][ T4023] bread failed! executing program [ 49.862282][ T4024] loop0: detected capacity change from 0 to 32768 [ 49.942919][ T4024] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 49.942919][ T4024] [ 49.946258][ T4024] ERROR: (device loop0): remounting filesystem as read-only [ 49.948820][ T4024] read_mapping_page failed! [ 49.950308][ T4024] bread failed! executing program [ 50.499981][ T4025] loop0: detected capacity change from 0 to 32768 [ 50.582580][ T4025] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 50.582580][ T4025] [ 50.585810][ T4025] ERROR: (device loop0): remounting filesystem as read-only [ 50.587934][ T4025] read_mapping_page failed! [ 50.589366][ T4025] bread failed! executing program [ 50.832142][ T4026] loop0: detected capacity change from 0 to 32768 [ 50.912203][ T4026] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 50.912203][ T4026] [ 50.915283][ T4026] ERROR: (device loop0): remounting filesystem as read-only [ 50.917566][ T4026] read_mapping_page failed! [ 50.918838][ T4026] bread failed! executing program [ 51.172032][ T4027] loop0: detected capacity change from 0 to 32768 [ 51.252549][ T4027] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 51.252549][ T4027] [ 51.255763][ T4027] ERROR: (device loop0): remounting filesystem as read-only [ 51.257860][ T4027] read_mapping_page failed! [ 51.259277][ T4027] bread failed! executing program [ 51.513090][ T4028] loop0: detected capacity change from 0 to 32768 [ 51.592139][ T4028] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 51.592139][ T4028] [ 51.595481][ T4028] ERROR: (device loop0): remounting filesystem as read-only [ 51.597592][ T4028] read_mapping_page failed! [ 51.599045][ T4028] bread failed! executing program [ 52.128019][ T4029] loop0: detected capacity change from 0 to 32768 [ 52.263369][ T4029] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 52.263369][ T4029] [ 52.267186][ T4029] ERROR: (device loop0): remounting filesystem as read-only [ 52.269261][ T4029] read_mapping_page failed! [ 52.270429][ T4029] bread failed! executing program [ 52.814091][ T4030] loop0: detected capacity change from 0 to 32768 [ 52.922421][ T4030] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 52.922421][ T4030] [ 52.928668][ T4030] ERROR: (device loop0): remounting filesystem as read-only [ 52.930676][ T4030] read_mapping_page failed! [ 52.931840][ T4030] bread failed! executing program [ 53.198815][ T4031] loop0: detected capacity change from 0 to 32768 [ 53.302477][ T4031] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 53.302477][ T4031] [ 53.305660][ T4031] ERROR: (device loop0): remounting filesystem as read-only [ 53.307836][ T4031] read_mapping_page failed! [ 53.308939][ T4031] bread failed! executing program [ 53.597934][ T4032] loop0: detected capacity change from 0 to 32768 [ 53.692557][ T4032] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 53.692557][ T4032] [ 53.695827][ T4032] ERROR: (device loop0): remounting filesystem as read-only [ 53.698153][ T4032] read_mapping_page failed! [ 53.699351][ T4032] bread failed! executing program [ 53.997843][ T4033] loop0: detected capacity change from 0 to 32768 [ 54.092603][ T4033] ================================================================== [ 54.094754][ T4033] BUG: KASAN: slab-out-of-bounds in jfs_readdir+0x1698/0x3030 [ 54.096827][ T4033] Read of size 1 at addr ffff0000e21d79f5 by task syz-executor164/4033 [ 54.099024][ T4033] [ 54.099588][ T4033] CPU: 0 PID: 4033 Comm: syz-executor164 Not tainted 5.15.176-syzkaller #0 [ 54.101850][ T4033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 54.104575][ T4033] Call trace: [ 54.105411][ T4033] dump_backtrace+0x0/0x530 [ 54.106535][ T4033] show_stack+0x2c/0x3c [ 54.107627][ T4033] dump_stack_lvl+0x108/0x170 [ 54.108844][ T4033] print_address_description+0x7c/0x3f0 [ 54.110280][ T4033] kasan_report+0x174/0x1e4 [ 54.111441][ T4033] __asan_report_load1_noabort+0x44/0x50 [ 54.112998][ T4033] jfs_readdir+0x1698/0x3030 [ 54.114141][ T4033] iterate_dir+0x1f4/0x4ec [ 54.115255][ T4033] __arm64_sys_getdents64+0x1c4/0x4c4 [ 54.116719][ T4033] invoke_syscall+0x98/0x2b8 [ 54.117952][ T4033] el0_svc_common+0x138/0x258 [ 54.119287][ T4033] do_el0_svc+0x58/0x14c [ 54.120442][ T4033] el0_svc+0x7c/0x1f0 [ 54.121500][ T4033] el0t_64_sync_handler+0x84/0xe4 [ 54.122909][ T4033] el0t_64_sync+0x1a0/0x1a4 [ 54.124081][ T4033] [ 54.124768][ T4033] Allocated by task 4033: [ 54.125872][ T4033] __kasan_slab_alloc+0x8c/0xcc [ 54.127110][ T4033] slab_post_alloc_hook+0x74/0x3f4 [ 54.128492][ T4033] kmem_cache_alloc+0x1dc/0x45c [ 54.129840][ T4033] jfs_alloc_inode+0x24/0x60 [ 54.131035][ T4033] iget_locked+0x180/0x720 [ 54.132189][ T4033] jfs_iget+0x30/0x364 [ 54.133318][ T4033] jfs_fill_super+0x65c/0xa08 [ 54.134581][ T4033] mount_bdev+0x274/0x370 [ 54.135756][ T4033] jfs_do_mount+0x44/0x58 [ 54.136886][ T4033] legacy_get_tree+0xd4/0x16c [ 54.138174][ T4033] vfs_get_tree+0x90/0x274 [ 54.139352][ T4033] do_new_mount+0x278/0x8fc [ 54.140600][ T4033] path_mount+0x594/0x101c [ 54.141778][ T4033] __arm64_sys_mount+0x510/0x5e0 [ 54.143134][ T4033] invoke_syscall+0x98/0x2b8 [ 54.144314][ T4033] el0_svc_common+0x138/0x258 [ 54.145620][ T4033] do_el0_svc+0x58/0x14c [ 54.146759][ T4033] el0_svc+0x7c/0x1f0 [ 54.147853][ T4033] el0t_64_sync_handler+0x84/0xe4 [ 54.149125][ T4033] el0t_64_sync+0x1a0/0x1a4 [ 54.150329][ T4033] [ 54.150919][ T4033] The buggy address belongs to the object at ffff0000e21d6f00 [ 54.150919][ T4033] which belongs to the cache jfs_ip of size 2240 [ 54.154612][ T4033] The buggy address is located 565 bytes to the right of [ 54.154612][ T4033] 2240-byte region [ffff0000e21d6f00, ffff0000e21d77c0) [ 54.158328][ T4033] The buggy address belongs to the page: [ 54.159836][ T4033] page:0000000064e44a6b refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1221d0 [ 54.162471][ T4033] head:0000000064e44a6b order:3 compound_mapcount:0 compound_pincount:0 [ 54.164735][ T4033] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 54.166798][ T4033] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c6906d80 [ 54.169028][ T4033] raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000 [ 54.171265][ T4033] page dumped because: kasan: bad access detected [ 54.172956][ T4033] [ 54.173567][ T4033] Memory state around the buggy address: [ 54.175065][ T4033] ffff0000e21d7880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.177090][ T4033] ffff0000e21d7900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.179275][ T4033] >ffff0000e21d7980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.181372][ T4033] ^ [ 54.183350][ T4033] ffff0000e21d7a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.185504][ T4033] ffff0000e21d7a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.187704][ T4033] ================================================================== [ 54.189800][ T4033] Disabling lock debugging due to kernel taint [ 54.191671][ T4033] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 54.191671][ T4033] [ 54.194721][ T4033] ERROR: (device loop0): remounting filesystem as read-only [ 54.196610][ T4033] read_mapping_page failed! [ 54.197799][ T4033] bread failed! executing program [ 54.666047][ T4034] loop0: detected capacity change from 0 to 32768 [ 54.760570][ T4034] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 54.760570][ T4034] [ 54.763647][ T4034] ERROR: (device loop0): remounting filesystem as read-only [ 54.765609][ T4034] read_mapping_page failed! [ 54.766689][ T4034] bread failed! executing program [ 55.242858][ T4035] loop0: detected capacity change from 0 to 32768 [ 55.330672][ T4035] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 55.330672][ T4035] [ 55.333816][ T4035] ERROR: (device loop0): remounting filesystem as read-only [ 55.335726][ T4035] read_mapping_page failed! [ 55.337137][ T4035] bread failed! executing program [ 55.804198][ T4036] loop0: detected capacity change from 0 to 32768 [ 55.890629][ T4036] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 55.890629][ T4036] [ 55.894627][ T4036] ERROR: (device loop0): remounting filesystem as read-only [ 55.896681][ T4036] read_mapping_page failed! [ 55.897974][ T4036] bread failed! executing program [ 56.033348][ T4037] loop0: detected capacity change from 0 to 32768 [ 56.110555][ T4037] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 56.110555][ T4037] [ 56.115837][ T4037] ERROR: (device loop0): remounting filesystem as read-only [ 56.118627][ T4037] read_mapping_page failed! [ 56.119887][ T4037] bread failed! executing program [ 56.346288][ T4038] loop0: detected capacity change from 0 to 32768 [ 56.440410][ T4038] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 56.440410][ T4038] [ 56.443644][ T4038] ERROR: (device loop0): remounting filesystem as read-only [ 56.445643][ T4038] read_mapping_page failed! [ 56.447094][ T4038] bread failed! executing program [ 56.924130][ T4039] loop0: detected capacity change from 0 to 32768 [ 57.010532][ T4039] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 57.010532][ T4039] [ 57.013729][ T4039] ERROR: (device loop0): remounting filesystem as read-only [ 57.015766][ T4039] read_mapping_page failed! [ 57.017143][ T4039] bread failed! executing program [ 57.494433][ T4040] loop0: detected capacity change from 0 to 32768 [ 57.580619][ T4040] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 57.580619][ T4040] [ 57.583767][ T4040] ERROR: (device loop0): remounting filesystem as read-only [ 57.585733][ T4040] read_mapping_page failed! [ 57.587183][ T4040] bread failed! executing program [ 58.064769][ T4041] loop0: detected capacity change from 0 to 32768 [ 58.141110][ T4041] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 58.141110][ T4041] [ 58.144182][ T4041] ERROR: (device loop0): remounting filesystem as read-only [ 58.146290][ T4041] read_mapping_page failed! [ 58.147988][ T4041] bread failed! executing program [ 58.635744][ T4042] loop0: detected capacity change from 0 to 32768 [ 58.740367][ T4042] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 58.740367][ T4042] [ 58.743458][ T4042] ERROR: (device loop0): remounting filesystem as read-only [ 58.745420][ T4042] read_mapping_page failed! [ 58.746611][ T4042] bread failed! executing program [ 59.213651][ T4043] loop0: detected capacity change from 0 to 32768 [ 59.310630][ T4043] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 59.310630][ T4043] [ 59.313788][ T4043] ERROR: (device loop0): remounting filesystem as read-only [ 59.315618][ T4043] read_mapping_page failed! [ 59.316781][ T4043] bread failed! executing program [ 59.794349][ T4044] loop0: detected capacity change from 0 to 32768 [ 59.880675][ T4044] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 59.880675][ T4044] [ 59.883725][ T4044] ERROR: (device loop0): remounting filesystem as read-only [ 59.885510][ T4044] read_mapping_page failed! [ 59.886527][ T4044] bread failed! executing program [ 60.384529][ T4045] loop0: detected capacity change from 0 to 32768 [ 60.460585][ T4045] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 60.460585][ T4045] [ 60.463640][ T4045] ERROR: (device loop0): remounting filesystem as read-only [ 60.465508][ T4045] read_mapping_page failed! [ 60.466625][ T4045] bread failed! executing program [ 60.964011][ T4046] loop0: detected capacity change from 0 to 32768 [ 61.050631][ T4046] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 61.050631][ T4046] [ 61.053776][ T4046] ERROR: (device loop0): remounting filesystem as read-only [ 61.055775][ T4046] read_mapping_page failed! [ 61.057673][ T4046] bread failed! executing program [ 61.533709][ T4047] loop0: detected capacity change from 0 to 32768 [ 61.660317][ T4047] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 61.660317][ T4047] [ 61.663533][ T4047] ERROR: (device loop0): remounting filesystem as read-only [ 61.665656][ T4047] read_mapping_page failed! [ 61.667102][ T4047] bread failed! executing program [ 62.155038][ T4048] loop0: detected capacity change from 0 to 32768 [ 62.261022][ T4048] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 62.261022][ T4048] [ 62.264490][ T4048] ERROR: (device loop0): remounting filesystem as read-only [ 62.266371][ T4048] read_mapping_page failed! [ 62.267582][ T4048] bread failed! executing program [ 62.744588][ T4049] loop0: detected capacity change from 0 to 32768 [ 62.836323][ T4049] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 62.836323][ T4049] [ 62.839575][ T4049] ERROR: (device loop0): remounting filesystem as read-only [ 62.841460][ T4049] read_mapping_page failed! [ 62.842577][ T4049] bread failed! executing program [ 63.315842][ T4050] loop0: detected capacity change from 0 to 32768 [ 63.410563][ T4050] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 63.410563][ T4050] [ 63.413684][ T4050] ERROR: (device loop0): remounting filesystem as read-only [ 63.415569][ T4050] read_mapping_page failed! [ 63.416920][ T4050] bread failed! executing program [ 63.892784][ T4051] loop0: detected capacity change from 0 to 32768 [ 63.970580][ T4051] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0 [ 63.970580][ T4051] [ 63.975624][ T4051] ERROR: (device loop0): remounting filesystem as read-only [ 63.977717][ T4051] read_mapping_page failed! [ 63.978882][ T4051] bread failed! executing program