erofs: (device loop4): z_erofs_readahead: readahead error at page 212 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 211 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 210 @ nid 36 erofs: (device loop4): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 209 of nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 209 @ nid 36 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4588, name: syz.4.69 1 lock held by syz.4.69/4588: #0: ffff88805f148320 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff88805f148320 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x198/0x940 mm/readahead.c:195 Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130 CPU: 0 PID: 4588 Comm: syz.4.69 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x42/0xc0 mm/slab.h:492 slab_alloc_node mm/slub.c:3139 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238 kmem_cache_zalloc include/linux/slab.h:728 [inline] z_erofs_alloc_pcluster fs/erofs/zdata.c:74 [inline] z_erofs_register_collection fs/erofs/zdata.c:480 [inline] z_erofs_collector_begin fs/erofs/zdata.c:557 [inline] z_erofs_do_read_page+0x6c1/0x26c0 fs/erofs/zdata.c:693 z_erofs_readahead+0x85d/0x1140 fs/erofs/zdata.c:1449 read_pages+0x175/0x930 mm/readahead.c:130 page_cache_ra_unbounded+0x838/0x940 mm/readahead.c:239 do_page_cache_ra mm/readahead.c:269 [inline] force_page_cache_ra+0x3e5/0x440 mm/readahead.c:301 force_page_cache_readahead mm/internal.h:78 [inline] generic_fadvise+0x530/0x7f0 mm/fadvise.c:107 vfs_fadvise mm/fadvise.c:186 [inline] ksys_fadvise64_64 mm/fadvise.c:200 [inline] __do_sys_fadvise64 mm/fadvise.c:215 [inline] __se_sys_fadvise64 mm/fadvise.c:213 [inline] __x64_sys_fadvise64+0x139/0x180 mm/fadvise.c:213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f391c4c3cb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f391a71f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd RAX: ffffffffffffffda RBX: 00007f391c73efa0 RCX: 00007f391c4c3cb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f391c531bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f391c73f038 R14: 00007f391c73efa0 R15: 00007ffd1bed0d18 erofs: (device loop4): z_erofs_readahead: readahead error at page 207 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 206 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 205 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 203 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 202 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 201 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 200 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 199 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 198 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 197 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 196 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 194 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 193 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 192 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 191 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 190 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 189 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 188 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 186 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 185 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 183 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 182 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 181 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 180 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 179 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 177 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 176 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 175 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 173 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 172 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 171 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 170 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 169 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 168 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 167 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 166 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 165 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 164 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 162 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 161 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 160 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 159 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 158 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 157 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 156 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 155 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 154 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 153 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 152 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 151 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 150 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 149 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 148 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 147 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 146 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 145 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 144 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 143 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 142 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 141 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 140 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 139 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 138 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 137 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 136 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 135 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 134 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 133 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 132 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 131 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 130 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 129 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 128 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 127 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 126 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 125 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 124 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 123 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 122 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 121 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 120 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 119 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 118 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 117 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 116 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 115 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 114 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 113 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 112 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 111 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 110 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 109 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 108 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 107 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 106 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 105 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 104 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 103 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 102 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 101 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 100 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 99 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 98 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 97 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 96 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 95 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 94 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 93 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 92 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 91 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 90 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 89 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 88 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 87 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 86 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 85 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 84 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 83 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 82 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 81 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 80 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 79 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 78 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 77 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 76 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 75 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 74 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 73 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 72 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 71 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 70 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 69 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 68 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 67 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 66 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 65 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 64 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 63 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 62 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 61 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 60 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 59 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 58 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 57 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 56 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 55 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 54 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 53 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 52 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 51 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 50 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 49 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 48 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 47 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 46 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 45 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 44 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 43 @ nid 36 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4588, name: syz.4.69 1 lock held by syz.4.69/4588: #0: ffff88805f148320 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff88805f148320 (mapping.invalidate_lock#6){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x198/0x940 mm/readahead.c:195 Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130 CPU: 0 PID: 4588 Comm: syz.4.69 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x42/0xc0 mm/slab.h:492 slab_alloc_node mm/slub.c:3139 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238 kmem_cache_zalloc include/linux/slab.h:728 [inline] z_erofs_alloc_pcluster fs/erofs/zdata.c:74 [inline] z_erofs_register_collection fs/erofs/zdata.c:480 [inline] z_erofs_collector_begin fs/erofs/zdata.c:557 [inline] z_erofs_do_read_page+0x6c1/0x26c0 fs/erofs/zdata.c:693 z_erofs_readahead+0x85d/0x1140 fs/erofs/zdata.c:1449 read_pages+0x175/0x930 mm/readahead.c:130 page_cache_ra_unbounded+0x838/0x940 mm/readahead.c:239 do_page_cache_ra mm/readahead.c:269 [inline] force_page_cache_ra+0x3e5/0x440 mm/readahead.c:301 force_page_cache_readahead mm/internal.h:78 [inline] generic_fadvise+0x530/0x7f0 mm/fadvise.c:107 vfs_fadvise mm/fadvise.c:186 [inline] ksys_fadvise64_64 mm/fadvise.c:200 [inline] __do_sys_fadvise64 mm/fadvise.c:215 [inline] __se_sys_fadvise64 mm/fadvise.c:213 [inline] __x64_sys_fadvise64+0x139/0x180 mm/fadvise.c:213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f391c4c3cb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f391a71f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd RAX: ffffffffffffffda RBX: 00007f391c73efa0 RCX: 00007f391c4c3cb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f391c531bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f391c73f038 R14: 00007f391c73efa0 R15: 00007ffd1bed0d18 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 41 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 38 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 37 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 35 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 34 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 33 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 32 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 31 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 29 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 28 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 27 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 26 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 25 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 24 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 23 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 22 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 21 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 20 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 19 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 18 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 17 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 16 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 15 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 14 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 13 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 12 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 9 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 8 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 7 @ nid 36 erofs: (device loop4): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 6 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 5 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 4 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 3 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 1 @ nid 36 erofs: (device loop4): z_erofs_readahead: readahead error at page 0 @ nid 36 attempt to access beyond end of device loop4: rw=524288, want=720, limit=16 attempt to access beyond end of device loop4: rw=524288, want=525144, limit=16 attempt to access beyond end of device loop4: rw=524288, want=72, limit=16 attempt to access beyond end of device loop4: rw=524288, want=1183600, limit=16 attempt to access beyond end of device loop4: rw=524288, want=296, limit=16 attempt to access beyond end of device loop4: rw=524288, want=1048976, limit=16 attempt to access beyond end of device loop4: rw=524288, want=3670472, limit=16 attempt to access beyond end of device loop4: rw=524288, want=790384, limit=16 attempt to access beyond end of device loop4: rw=524288, want=14425508768, limit=16 attempt to access beyond end of device loop4: rw=524288, want=13612835600, limit=16 BUG: scheduling while atomic: syz.4.69/4588/0x00000007 no locks held by syz.4.69/4588. Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130