Buffer I/O error on dev loop0, logical block 13466417, async page read
syz-executor.0: attempt to access beyond end of device
loop0: rw=0, sector=16147212, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 8073606, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 30769 Comm: syz-executor.0 Not tainted 6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
syz-executor.0: attempt to access beyond end of device
loop0: rw=0, sector=6491548, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 3245774, async page read
syz-executor.0: attempt to access beyond end of device
loop0: rw=0, sector=17669878, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 8834939, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 2 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 3 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 2 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 3 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 3 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 3 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 2 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 2 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_readdir+0x186/0x460 fs/sysv/dir.c:92
 iterate_dir+0x1e5/0x5f0 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents fs/readdir.c:307 [inline]
 __x64_sys_getdents+0x14f/0x2d0 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7dbd47cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7dbe1eb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7dbd59bf80 RCX: 00007f7dbd47cae9
RDX: 0000000000001012 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7dbd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7dbd59bf80 R15: 00007ffe4600ddc8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30769, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/30769:
 #0: ffff88806697e848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
 #1: ffff88803211cc18 (&type->i_mutex_dir_key#9){.+.+}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
 #2: ffffffff8cfc0438 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 3 PID: 30769 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187