Warning: Permanently added '10.128.10.43' (ED25519) to the list of known hosts. executing program [ 33.639202][ T6437] loop0: detected capacity change from 0 to 32768 [ 33.660933][ T6437] XFS (loop0): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab [ 33.699232][ T6437] XFS (loop0): Ending clean mount [ 33.703199][ T6437] XFS (loop0): Quotacheck needed: Please wait. [ 33.716822][ T6437] XFS (loop0): Quotacheck: Done. [ 38.498706][ T6437] [ 38.499327][ T6437] ===================================== [ 38.500670][ T6437] WARNING: bad unlock balance detected! [ 38.502007][ T6437] 6.14.0-rc6-syzkaller-ga5618886fdab #0 Not tainted [ 38.503561][ T6437] ------------------------------------- [ 38.504967][ T6437] syz-executor369/6437 is trying to release lock (&mm->mmap_lock) at: [ 38.506829][ T6437] [] __mm_populate+0x328/0x3d8 [ 38.508372][ T6437] but there are no more locks to release! [ 38.509702][ T6437] [ 38.509702][ T6437] other info that might help us debug this: [ 38.511694][ T6437] no locks held by syz-executor369/6437. [ 38.512982][ T6437] [ 38.512982][ T6437] stack backtrace: [ 38.514478][ T6437] CPU: 0 UID: 0 PID: 6437 Comm: syz-executor369 Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0 [ 38.514492][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 38.514499][ T6437] Call trace: [ 38.514503][ T6437] show_stack+0x2c/0x3c (C) [ 38.514522][ T6437] dump_stack_lvl+0xe4/0x150 [ 38.514536][ T6437] dump_stack+0x1c/0x28 [ 38.514549][ T6437] print_unlock_imbalance_bug+0x254/0x2ac [ 38.514562][ T6437] lock_release+0x410/0x9e4 [ 38.514573][ T6437] up_read+0x24/0x3c [ 38.514583][ T6437] __mm_populate+0x328/0x3d8 [ 38.514594][ T6437] vm_mmap_pgoff+0x304/0x3c4 [ 38.514606][ T6437] ksys_mmap_pgoff+0x3a4/0x5c8 [ 38.514618][ T6437] __arm64_sys_mmap+0xf8/0x110 [ 38.514630][ T6437] invoke_syscall+0x98/0x2b8 [ 38.514643][ T6437] el0_svc_common+0x130/0x23c [ 38.514655][ T6437] do_el0_svc+0x48/0x58 [ 38.514667][ T6437] el0_svc+0x54/0x168 [ 38.514679][ T6437] el0t_64_sync_handler+0x84/0x108 [ 38.514690][ T6437] el0t_64_sync+0x198/0x19c [ 38.538481][ T6437] ------------[ cut here ]------------ [ 38.539865][ T6437] DEBUG_RWSEMS_WARN_ON(tmp < 0): count = 0xffffffffffffff00, magic = 0xffff0000c24eefe0, owner = 0x1, curr 0xffff0000c6315b80, list empty [ 38.543340][ T6437] WARNING: CPU: 0 PID: 6437 at kernel/locking/rwsem.c:1346 __up_read+0x3bc/0x5f8 [ 38.545617][ T6437] Modules linked in: [ 38.546592][ T6437] CPU: 0 UID: 0 PID: 6437 Comm: syz-executor369 Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0 [ 38.549234][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 38.551864][ T6437] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.553777][ T6437] pc : __up_read+0x3bc/0x5f8 [ 38.554910][ T6437] lr : __up_read+0x3bc/0x5f8 [ 38.556042][ T6437] sp : ffff8000a42379e0 [ 38.557171][ T6437] x29: ffff8000a4237a60 x28: 1ffff00011f780cd x27: ffff80008fbc0000 [ 38.559101][ T6437] x26: dfff800000000000 x25: ffffffffffffff00 x24: ffff0000c24ef038 [ 38.561105][ T6437] x23: ffff0000c24eefe0 x22: ffffffffffffff00 x21: 0000000000000001 [ 38.563173][ T6437] x20: ffff0000c6315b80 x19: ffff0000c24eefe0 x18: 0000000000000008 [ 38.565130][ T6437] x17: 0000000000000000 x16: ffff8000832bd8fc x15: 0000000000000001 [ 38.567153][ T6437] x14: 1ffff00014846e94 x13: 0000000000000000 x12: 0000000000000000 [ 38.569151][ T6437] x11: 0000000000000003 x10: 0000000000ff0100 x9 : 66afa7d531e9b300 [ 38.571198][ T6437] x8 : 66afa7d531e9b300 x7 : 0000000000000001 x6 : 0000000000000001 [ 38.573157][ T6437] x5 : ffff8000a4237198 x4 : ffff80008fcafb00 x3 : ffff80008324f914 [ 38.575173][ T6437] x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000 [ 38.577212][ T6437] Call trace: [ 38.578051][ T6437] __up_read+0x3bc/0x5f8 (P) [ 38.579254][ T6437] up_read+0x2c/0x3c [ 38.580201][ T6437] __mm_populate+0x328/0x3d8 [ 38.581319][ T6437] vm_mmap_pgoff+0x304/0x3c4 [ 38.582454][ T6437] ksys_mmap_pgoff+0x3a4/0x5c8 [ 38.583616][ T6437] __arm64_sys_mmap+0xf8/0x110 [ 38.584850][ T6437] invoke_syscall+0x98/0x2b8 [ 38.586014][ T6437] el0_svc_common+0x130/0x23c [ 38.587187][ T6437] do_el0_svc+0x48/0x58 [ 38.588225][ T6437] el0_svc+0x54/0x168 [ 38.589128][ T6437] el0t_64_sync_handler+0x84/0x108 [ 38.590443][ T6437] el0t_64_sync+0x198/0x19c [ 38.591570][ T6437] irq event stamp: 60437 [ 38.592652][ T6437] hardirqs last enabled at (60437): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 38.595228][ T6437] hardirqs last disabled at (60436): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 38.597604][ T6437] softirqs last enabled at (59860): [] local_bh_enable+0x10/0x34 [ 38.599931][ T6437] softirqs last disabled at (59858): [] local_bh_disable+0x10/0x34 [ 38.602286][ T6437] ---[ end trace 0000000000000000 ]---