BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 12284, name: syz-executor.4
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by syz-executor.4/12284:
#0: ffff88807cec8198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:110 [inline]
#0: ffff88807cec8198 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x158/0x3b0 mm/util.c:541
#1: ffff888021556270 (&shmem->pages_lock){+.+.}-{3:3}, at: drm_gem_shmem_get_pages+0x53/0x180 drivers/gpu/drm/drm_gem_shmem_helper.c:216
#2: ffffffff8c796680 (rcu_read_lock){....}-{1:2}, at: _vm_unmap_aliases.part.0+0x138/0x560 mm/vmalloc.c:2182
CPU: 1 PID: 12284 Comm: syz-executor.4 Not tainted 6.3.0-rc3-next-20230322-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106
__might_resched+0x358/0x580 kernel/sched/core.c:10059
__mutex_lock_common kernel/locking/mutex.c:580 [inline]
__mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747
_vm_unmap_aliases.part.0+0x1ca/0x560 mm/vmalloc.c:2187
_vm_unmap_aliases mm/vmalloc.c:2181 [inline]
vm_unmap_aliases+0x49/0x50 mm/vmalloc.c:2230
change_page_attr_set_clr+0x226/0x470 arch/x86/mm/pat/set_memory.c:1837
cpa_set_pages_array arch/x86/mm/pat/set_memory.c:1892 [inline]
_set_pages_array+0x1c6/0x220 arch/x86/mm/pat/set_memory.c:2230
drm_gem_shmem_get_pages_locked+0x155/0x240 drivers/gpu/drm/drm_gem_shmem_helper.c:191
drm_gem_shmem_get_pages+0x71/0x180 drivers/gpu/drm/drm_gem_shmem_helper.c:219
drm_gem_shmem_mmap drivers/gpu/drm/drm_gem_shmem_helper.c:636 [inline]
drm_gem_shmem_mmap+0x153/0x540 drivers/gpu/drm/drm_gem_shmem_helper.c:620
drm_gem_mmap_obj+0x1b6/0x6c0 drivers/gpu/drm/drm_gem.c:1046
drm_gem_mmap+0x41d/0x780 drivers/gpu/drm/drm_gem.c:1124
call_mmap include/linux/fs.h:1859 [inline]
mmap_region+0x694/0x28d0 mm/mmap.c:2652
do_mmap+0x816/0xf20 mm/mmap.c:1438
vm_mmap_pgoff+0x1a4/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1484
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f73a268c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f73a3433168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f73a27abf80 RCX: 00007f73a268c0f9
RDX: 0000000000000000 RSI: 0000000000003028 RDI: 0000000020ffc000
RBP: 00007f73a26e7b39 R08: 0000000000000004 R09: 0000000100000000
R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffcb27772f R14: 00007f73a3433300 R15: 0000000000022000
</TASK>
=============================
[ BUG: Invalid wait context ]
6.3.0-rc3-next-20230322-syzkaller #0 Tainted: G W
-----------------------------
syz-executor.4/12284 is trying to lock:
ffff888022ab2868 (&vb->lock){+.+.}-{3:3}, at: _vm_unmap_aliases.part.0+0x1ca/0x560 mm/vmalloc.c:2187
other info that might help us debug this:
context-{4:4}
3 locks held by syz-executor.4/12284:
#0: ffff88807cec8198 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:110 [inline]
#0: ffff88807cec8198 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x158/0x3b0 mm/util.c:541
#1: ffff888021556270 (&shmem->pages_lock){+.+.}-{3:3}, at: drm_gem_shmem_get_pages+0x53/0x180 drivers/gpu/drm/drm_gem_shmem_helper.c:216
#2: ffffffff8c796680 (rcu_read_lock){....}-{1:2}, at: _vm_unmap_aliases.part.0+0x138/0x560 mm/vmalloc.c:2182
stack backtrace:
CPU: 1 PID: 12284 Comm: syz-executor.4 Tainted: G W 6.3.0-rc3-next-20230322-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_lock_invalid_wait_context kernel/locking/lockdep.c:4724 [inline]
check_wait_context kernel/locking/lockdep.c:4785 [inline]
__lock_acquire+0x159e/0x5df0 kernel/locking/lockdep.c:5024
lock_acquire.part.0+0x11c/0x370 kernel/locking/lockdep.c:5691
__mutex_lock_common kernel/locking/mutex.c:603 [inline]
__mutex_lock+0x12f/0x1350 kernel/locking/mutex.c:747
_vm_unmap_aliases.part.0+0x1ca/0x560 mm/vmalloc.c:2187
_vm_unmap_aliases mm/vmalloc.c:2181 [inline]
vm_unmap_aliases+0x49/0x50 mm/vmalloc.c:2230
change_page_attr_set_clr+0x226/0x470 arch/x86/mm/pat/set_memory.c:1837
cpa_set_pages_array arch/x86/mm/pat/set_memory.c:1892 [inline]
_set_pages_array+0x1c6/0x220 arch/x86/mm/pat/set_memory.c:2230
drm_gem_shmem_get_pages_locked+0x155/0x240 drivers/gpu/drm/drm_gem_shmem_helper.c:191
drm_gem_shmem_get_pages+0x71/0x180 drivers/gpu/drm/drm_gem_shmem_helper.c:219
drm_gem_shmem_mmap drivers/gpu/drm/drm_gem_shmem_helper.c:636 [inline]
drm_gem_shmem_mmap+0x153/0x540 drivers/gpu/drm/drm_gem_shmem_helper.c:620
drm_gem_mmap_obj+0x1b6/0x6c0 drivers/gpu/drm/drm_gem.c:1046
drm_gem_mmap+0x41d/0x780 drivers/gpu/drm/drm_gem.c:1124
call_mmap include/linux/fs.h:1859 [inline]
mmap_region+0x694/0x28d0 mm/mmap.c:2652
do_mmap+0x816/0xf20 mm/mmap.c:1438
vm_mmap_pgoff+0x1a4/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1484
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f73a268c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f73a3433168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f73a27abf80 RCX: 00007f73a268c0f9
RDX: 0000000000000000 RSI: 0000000000003028 RDI: 0000000020ffc000
RBP: 00007f73a26e7b39 R08: 0000000000000004 R09: 0000000100000000
R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffcb27772f R14: 00007f73a3433300 R15: 0000000000022000
</TASK>
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 12284, name: syz-executor.4
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
INFO: lockdep is turned off.
CPU: 0 PID: 12284 Comm: syz-executor.4 Tainted: G W 6.3.0-rc3-next-20230322-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106
__might_resched+0x358/0x580 kernel/sched/core.c:10059
__mutex_lock_common kernel/locking/mutex.c:580 [inline]
__mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747
purge_fragmented_blocks mm/vmalloc.c:2051 [inline]
purge_fragmented_blocks_allcpus+0x23f/0xa20 mm/vmalloc.c:2078
_vm_unmap_aliases.part.0+0x6d/0x560 mm/vmalloc.c:2206
_vm_unmap_aliases mm/vmalloc.c:2181 [inline]
vm_unmap_aliases+0x49/0x50 mm/vmalloc.c:2230
change_page_attr_set_clr+0x226/0x470 arch/x86/mm/pat/set_memory.c:1837
cpa_set_pages_array arch/x86/mm/pat/set_memory.c:1892 [inline]
_set_pages_array+0x1c6/0x220 arch/x86/mm/pat/set_memory.c:2230
drm_gem_shmem_get_pages_locked+0x155/0x240 drivers/gpu/drm/drm_gem_shmem_helper.c:191
drm_gem_shmem_get_pages+0x71/0x180 drivers/gpu/drm/drm_gem_shmem_helper.c:219
drm_gem_shmem_mmap drivers/gpu/drm/drm_gem_shmem_helper.c:636 [inline]
drm_gem_shmem_mmap+0x153/0x540 drivers/gpu/drm/drm_gem_shmem_helper.c:620
drm_gem_mmap_obj+0x1b6/0x6c0 drivers/gpu/drm/drm_gem.c:1046
drm_gem_mmap+0x41d/0x780 drivers/gpu/drm/drm_gem.c:1124
call_mmap include/linux/fs.h:1859 [inline]
mmap_region+0x694/0x28d0 mm/mmap.c:2652
do_mmap+0x816/0xf20 mm/mmap.c:1438
vm_mmap_pgoff+0x1a4/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1484
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f73a268c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f73a3433168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f73a27abf80 RCX: 00007f73a268c0f9
RDX: 0000000000000000 RSI: 0000000000003028 RDI: 0000000020ffc000
RBP: 00007f73a26e7b39 R08: 0000000000000004 R09: 0000000100000000
R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffcb27772f R14: 00007f73a3433300 R15: 0000000000022000
</TASK>