Buffer I/O error on dev loop0, logical block 13466417, async page read attempt to access beyond end of device loop1: rw=0, want=26539620, limit=128 loop0: rw=0, want=16147214, limit=128 Buffer I/O error on dev loop1, logical block 13269809, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5149, name: syz.0.15 3 locks held by syz.0.15/5149: #0: 00000000680406aa (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000047dc48bb (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 attempt to access beyond end of device #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 loop1: rw=0, want=16147214, limit=128 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 attempt to access beyond end of device CPU: 0 PID: 5149 Comm: syz.0.15 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: loop1: rw=0, want=6491544, limit=128 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 attempt to access beyond end of device sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 loop1: rw=0, want=17668344, limit=128 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 attempt to access beyond end of device sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 loop1: rw=0, want=26932836, limit=128 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 attempt to access beyond end of device __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc3acf23ff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 loop1: rw=0, want=16147214, limit=128 RSP: 002b:00007fc3ac9a5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007fc3ad0dbf80 RCX: 00007fc3acf23ff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc3acf96296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc3ad0dbf80 R15: 00007ffe85803668 attempt to access beyond end of device attempt to access beyond end of device loop0: rw=0, want=6491550, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop3: rw=0, want=6491538, limit=128 loop0: rw=0, want=17669880, limit=128 loop1: rw=0, want=6491550, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop3: rw=0, want=17666808, limit=128 loop1: rw=0, want=17669880, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop3: rw=0, want=26539620, limit=128 attempt to access beyond end of device loop2: rw=0, want=6491538, limit=128 loop3: rw=0, want=16147214, limit=128 attempt to access beyond end of device loop3: rw=0, want=6491544, limit=128 attempt to access beyond end of device loop3: rw=0, want=17668344, limit=128 attempt to access beyond end of device loop4: rw=0, want=6491538, limit=128 attempt to access beyond end of device loop4: rw=0, want=17666808, limit=128 attempt to access beyond end of device loop4: rw=0, want=26539620, limit=128 attempt to access beyond end of device loop4: rw=0, want=16147214, limit=128 attempt to access beyond end of device attempt to access beyond end of device attempt to access beyond end of device loop2: rw=0, want=17666808, limit=128 loop3: rw=0, want=26932836, limit=128 attempt to access beyond end of device loop4: rw=0, want=6491544, limit=128 loop2: rw=0, want=26539620, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop2: rw=0, want=16147214, limit=128 loop4: rw=0, want=17668344, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop2: rw=0, want=6491544, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=26932836, limit=128 loop2: rw=0, want=17668344, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop3: rw=0, want=16147214, limit=128 loop2: rw=0, want=26932836, limit=128 attempt to access beyond end of device loop4: rw=0, want=16147214, limit=128 loop2: rw=0, want=16147214, limit=128 attempt to access beyond end of device attempt to access beyond end of device attempt to access beyond end of device loop2: rw=0, want=6491550, limit=128 loop4: rw=0, want=6491550, limit=128 attempt to access beyond end of device attempt to access beyond end of device loop3: rw=0, want=6491550, limit=128 loop2: rw=0, want=17669880, limit=128 loop4: rw=0, want=17669880, limit=128 attempt to access beyond end of device loop3: rw=0, want=17669880, limit=128 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5185, name: syz.1.16 3 locks held by syz.1.16/5185: #0: 00000000a9802980 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 00000000193fa9a5 (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 0 PID: 5185 Comm: syz.1.16 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f40a2192ff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40a1c14038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f40a234af80 RCX: 00007f40a2192ff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f40a2205296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f40a234af80 R15: 00007ffc394d5318 BUG: sleeping function called from invalid context at include/linux/pagemap.h:481 in_atomic(): 1, irqs_disabled(): 0, pid: 5211, name: syz.2.17 3 locks held by syz.2.17/5211: #0: 00000000ce582880 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000082ccde49 (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 0 PID: 5211 Comm: syz.2.17 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 lock_page include/linux/pagemap.h:481 [inline] pagecache_get_page+0x33e/0x6c0 mm/filemap.c:1554 find_or_create_page include/linux/pagemap.h:322 [inline] grow_dev_page fs/buffer.c:947 [inline] grow_buffers fs/buffer.c:1016 [inline] __getblk_slow fs/buffer.c:1043 [inline] __getblk_gfp+0x1f6/0x700 fs/buffer.c:1320 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fad2f919ff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fad2f39b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007fad2fad1f80 RCX: 00007fad2f919ff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fad2f98c296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fad2fad1f80 R15: 00007fffec45b608 BUG: sleeping function called from invalid context at include/linux/pagemap.h:481 in_atomic(): 1, irqs_disabled(): 0, pid: 5220, name: syz.4.19 3 locks held by syz.4.19/5220: #0: 00000000a6290491 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 000000006381c525 (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 0 PID: 5220 Comm: syz.4.19 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 lock_page include/linux/pagemap.h:481 [inline] pagecache_get_page+0x33e/0x6c0 mm/filemap.c:1554 find_or_create_page include/linux/pagemap.h:322 [inline] grow_dev_page fs/buffer.c:947 [inline] grow_buffers fs/buffer.c:1016 [inline] __getblk_slow fs/buffer.c:1043 [inline] __getblk_gfp+0x1f6/0x700 fs/buffer.c:1320 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5a24dcbff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5a2484d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f5a24f83f80 RCX: 00007f5a24dcbff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f5a24e3e296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5a24f83f80 R15: 00007ffdd5ac5f48 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5149, name: syz.0.15 3 locks held by syz.0.15/5149: #0: 00000000680406aa (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000047dc48bb (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 0 PID: 5149 Comm: syz.0.15 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc3acf23ff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc3ac9a5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007fc3ad0dbf80 RCX: 00007fc3acf23ff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc3acf96296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc3ad0dbf80 R15: 00007ffe85803668 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5204, name: syz.3.18 3 locks held by syz.3.18/5204: #0: 00000000f1901005 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000070c763bc (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 1 PID: 5204 Comm: syz.3.18 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f37a63ecff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f37a5e6e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f37a65a4f80 RCX: 00007f37a63ecff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f37a645f296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f37a65a4f80 R15: 00007ffd316fdd78 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5211, name: syz.2.17 3 locks held by syz.2.17/5211: #0: 00000000ce582880 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000082ccde49 (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 1 PID: 5211 Comm: syz.2.17 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fad2f919ff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fad2f39b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007fad2fad1f80 RCX: 00007fad2f919ff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fad2f98c296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fad2fad1f80 R15: 00007fffec45b608 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5220, name: syz.4.19 3 locks held by syz.4.19/5220: #0: 00000000a6290491 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 000000006381c525 (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 1 PID: 5220 Comm: syz.4.19 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5a24dcbff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5a2484d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f5a24f83f80 RCX: 00007f5a24dcbff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f5a24e3e296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5a24f83f80 R15: 00007ffdd5ac5f48 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5185, name: syz.1.16 3 locks held by syz.1.16/5185: #0: 00000000a9802980 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 00000000193fa9a5 (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 1 PID: 5185 Comm: syz.1.16 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f40a2192ff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40a1c14038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f40a234af80 RCX: 00007f40a2192ff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f40a2205296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f40a234af80 R15: 00007ffc394d5318 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5204, name: syz.3.18 3 locks held by syz.3.18/5204: #0: 00000000f1901005 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000070c763bc (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x158/0x1160 fs/sysv/itree.c:217 CPU: 0 PID: 5204 Comm: syz.3.18 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x15a/0x20a lib/dump_stack.c:113 ___might_sleep.cold.15+0x1f1/0x265 kernel/sched/core.c:6143 __might_sleep+0x95/0x190 kernel/sched/core.c:6096 __getblk_gfp+0x3a/0x700 fs/buffer.c:1318 __bread_gfp+0xa/0x190 fs/buffer.c:1354 sb_bread include/linux/buffer_head.h:307 [inline] get_branch+0x290/0x630 fs/sysv/itree.c:104 get_block+0x179/0x1160 fs/sysv/itree.c:218 block_read_full_page+0x272/0xbe0 fs/buffer.c:2247 sysv_readpage+0x13/0x20 fs/sysv/itree.c:461 do_read_cache_page.part.6+0x3df/0x880 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2781 [inline] read_cache_page+0x40/0x70 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] dir_get_page.isra.0+0x5e/0xc0 fs/sysv/dir.c:58 sysv_readdir+0x129/0x500 fs/sysv/dir.c:83 iterate_dir+0x3ad/0x5f0 fs/readdir.c:51 ksys_getdents64+0x11b/0x1f0 fs/readdir.c:314 __do_sys_getdents64 fs/readdir.c:333 [inline] __se_sys_getdents64 fs/readdir.c:330 [inline] __x64_sys_getdents64+0x6e/0xb0 fs/readdir.c:330 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f37a63ecff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f37a5e6e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f37a65a4f80 RCX: 00007f37a63ecff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f37a645f296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f37a65a4f80 R15: 00007ffd316fdd78 BUG: sleeping function called from invalid context at fs/buffer.c:1318 in_atomic(): 1, irqs_disabled(): 0, pid: 5149, name: syz.0.15 3 locks held by syz.0.15/5149: #0: 00000000680406aa (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 fs/file.c:766 #1: 0000000047dc48bb (&type->i_mutex_dir_key#8){.+.+}, at: iterate_dir+0xb3/0x5f0 fs/readdir.c:41 #2: 000000000b40d793 (pointers_lock){.+.+}, at: get_block+0x158/0x1160 fs/sysv/itree.c:217 Preemption disabled at: