Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. executing program [ 34.297676][ T6437] loop0: detected capacity change from 0 to 32768 [ 34.330476][ T6437] XFS (loop0): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab [ 34.358589][ T6437] XFS (loop0): Ending clean mount [ 34.362584][ T6437] XFS (loop0): Quotacheck needed: Please wait. [ 34.375660][ T6437] XFS (loop0): Quotacheck: Done. [ 39.165460][ T6437] [ 39.166159][ T6437] ===================================== [ 39.167579][ T6437] WARNING: bad unlock balance detected! [ 39.169062][ T6437] 6.14.0-rc6-syzkaller-ga5618886fdab #0 Not tainted [ 39.170806][ T6437] ------------------------------------- [ 39.172354][ T6437] syz-executor466/6437 is trying to release lock (&mm->mmap_lock) at: [ 39.174611][ T6437] [] __mm_populate+0x328/0x3d8 [ 39.176363][ T6437] but there are no more locks to release! [ 39.177883][ T6437] [ 39.177883][ T6437] other info that might help us debug this: [ 39.180007][ T6437] no locks held by syz-executor466/6437. [ 39.181545][ T6437] [ 39.181545][ T6437] stack backtrace: [ 39.183123][ T6437] CPU: 1 UID: 0 PID: 6437 Comm: syz-executor466 Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0 [ 39.183136][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 39.183143][ T6437] Call trace: [ 39.183147][ T6437] show_stack+0x2c/0x3c (C) [ 39.183165][ T6437] dump_stack_lvl+0xe4/0x150 [ 39.183179][ T6437] dump_stack+0x1c/0x28 [ 39.183191][ T6437] print_unlock_imbalance_bug+0x254/0x2ac [ 39.183203][ T6437] lock_release+0x410/0x9e4 [ 39.183214][ T6437] up_read+0x24/0x3c [ 39.183222][ T6437] __mm_populate+0x328/0x3d8 [ 39.183233][ T6437] vm_mmap_pgoff+0x304/0x3c4 [ 39.183244][ T6437] ksys_mmap_pgoff+0x3a4/0x5c8 [ 39.183255][ T6437] __arm64_sys_mmap+0xf8/0x110 [ 39.183266][ T6437] invoke_syscall+0x98/0x2b8 [ 39.183278][ T6437] el0_svc_common+0x130/0x23c [ 39.183290][ T6437] do_el0_svc+0x48/0x58 [ 39.183301][ T6437] el0_svc+0x54/0x168 [ 39.183312][ T6437] el0t_64_sync_handler+0x84/0x108 [ 39.183322][ T6437] el0t_64_sync+0x198/0x19c [ 39.209037][ T6437] ------------[ cut here ]------------ [ 39.210539][ T6437] DEBUG_RWSEMS_WARN_ON(tmp < 0): count = 0xffffffffffffff00, magic = 0xffff0000d6bcb460, owner = 0x1, curr 0xffff0000dbf5db80, list empty [ 39.214213][ T6437] WARNING: CPU: 1 PID: 6437 at kernel/locking/rwsem.c:1346 __up_read+0x3bc/0x5f8 [ 39.216624][ T6437] Modules linked in: [ 39.217599][ T6437] CPU: 1 UID: 0 PID: 6437 Comm: syz-executor466 Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0 [ 39.220376][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 39.223068][ T6437] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 39.225190][ T6437] pc : __up_read+0x3bc/0x5f8 [ 39.226367][ T6437] lr : __up_read+0x3bc/0x5f8 [ 39.227548][ T6437] sp : ffff80009fbf79e0 [ 39.228638][ T6437] x29: ffff80009fbf7a60 x28: 1ffff00011f780cd x27: ffff80008fbc0000 [ 39.230721][ T6437] x26: dfff800000000000 x25: ffffffffffffff00 x24: ffff0000d6bcb4b8 [ 39.232834][ T6437] x23: ffff0000d6bcb460 x22: ffffffffffffff00 x21: 0000000000000001 [ 39.235130][ T6437] x20: ffff0000dbf5db80 x19: ffff0000d6bcb460 x18: 0000000000000008 [ 39.237284][ T6437] x17: 0000000000000000 x16: ffff8000832bd8fc x15: 0000000000000001 [ 39.239536][ T6437] x14: 1ffff00013f7ee94 x13: 0000000000000000 x12: 0000000000000000 [ 39.241706][ T6437] x11: 0000000000000003 x10: 0000000000ff0100 x9 : 9e1581d9d123c400 [ 39.243838][ T6437] x8 : 9e1581d9d123c400 x7 : 0000000000000001 x6 : 0000000000000001 [ 39.245945][ T6437] x5 : ffff80009fbf7198 x4 : ffff80008fcafb00 x3 : ffff80008324f914 [ 39.248071][ T6437] x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000 [ 39.250225][ T6437] Call trace: [ 39.251093][ T6437] __up_read+0x3bc/0x5f8 (P) [ 39.252278][ T6437] up_read+0x2c/0x3c [ 39.253325][ T6437] __mm_populate+0x328/0x3d8 [ 39.254522][ T6437] vm_mmap_pgoff+0x304/0x3c4 [ 39.255745][ T6437] ksys_mmap_pgoff+0x3a4/0x5c8 [ 39.256978][ T6437] __arm64_sys_mmap+0xf8/0x110 [ 39.258184][ T6437] invoke_syscall+0x98/0x2b8 [ 39.259383][ T6437] el0_svc_common+0x130/0x23c [ 39.260621][ T6437] do_el0_svc+0x48/0x58 [ 39.261695][ T6437] el0_svc+0x54/0x168 [ 39.262727][ T6437] el0t_64_sync_handler+0x84/0x108 [ 39.264107][ T6437] el0t_64_sync+0x198/0x19c [ 39.265274][ T6437] irq event stamp: 61009 [ 39.266425][ T6437] hardirqs last enabled at (61009): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 39.269128][ T6437] hardirqs last disabled at (61008): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 39.271738][ T6437] softirqs last enabled at (60416): [] handle_softirqs+0xb44/0xd34 [ 39.274262][ T6437] softirqs last disabled at (60369): [] __do_softirq+0x14/0x20 [ 39.276613][ T6437] ---[ end trace 0000000000000000 ]---