[ 15.151599][ T5600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.158711][ T5600] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.200607][ T39] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.203064][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 34.996555][ T5930] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5930 'syz-executor387' executing program executing program executing program executing program [ 35.087097][ T5941] loop4: detected capacity change from 0 to 4096 [ 35.092769][ T5941] ntfs3: loop4: Different NTFS' sector size (4096) and media sector size (512) [ 35.112652][ T5936] loop2: detected capacity change from 0 to 4096 [ 35.116559][ T5936] ntfs3: loop2: Different NTFS' sector size (4096) and media sector size (512) [ 35.141574][ T5930] loop0: detected capacity change from 0 to 4096 [ 35.152261][ T5930] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [ 35.165998][ T5940] loop3: detected capacity change from 0 to 4096 [ 35.172663][ T5940] ntfs3: loop3: Different NTFS' sector size (4096) and media sector size (512) [ 35.180853][ T5939] loop5: detected capacity change from 0 to 4096 [ 35.187014][ T5939] ntfs3: loop5: Different NTFS' sector size (4096) and media sector size (512) executing program [ 35.225939][ T5943] loop1: detected capacity change from 0 to 4096 [ 35.236009][ T5943] ntfs3: loop1: Different NTFS' sector size (4096) and media sector size (512) [ 35.252726][ T5947] [ 35.253267][ T5947] ====================================================== [ 35.254891][ T5947] WARNING: possible circular locking dependency detected [ 35.256415][ T5947] 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Not tainted [ 35.257876][ T5947] ------------------------------------------------------ [ 35.259342][ T5947] syz-executor387/5947 is trying to acquire lock: [ 35.260710][ T5947] ffff0000e199efa0 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x34c/0x2290 [ 35.262884][ T5947] [ 35.262884][ T5947] but task is already holding lock: [ 35.264556][ T5947] ffff0000d12af5c8 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x2b4 [ 35.266520][ T5947] [ 35.266520][ T5947] which lock already depends on the new lock. [ 35.266520][ T5947] [ 35.268856][ T5947] [ 35.268856][ T5947] the existing dependency chain (in reverse order) is: [ 35.271023][ T5947] [ 35.271023][ T5947] -> #2 (&mm->mmap_lock){++++}-{3:3}: [ 35.272628][ T5947] __might_fault+0xc4/0x124 [ 35.273760][ T5947] fiemap_fill_next_extent+0x1b4/0x424 [ 35.275081][ T5947] ni_fiemap+0x7dc/0xe10 [ 35.276100][ T5947] ntfs_fiemap+0x110/0x168 [ 35.277198][ T5947] do_vfs_ioctl+0x194c/0x26f8 [ 35.278361][ T5947] __arm64_sys_ioctl+0xe4/0x1c8 [ 35.279515][ T5947] invoke_syscall+0x98/0x2c0 [ 35.280633][ T5947] el0_svc_common+0x138/0x258 [ 35.281767][ T5947] do_el0_svc+0x64/0x198 [ 35.282892][ T5947] el0_svc+0x4c/0x15c [ 35.283885][ T5947] el0t_64_sync_handler+0x84/0xf0 [ 35.285012][ T5947] el0t_64_sync+0x190/0x194 [ 35.286142][ T5947] [ 35.286142][ T5947] -> #1 (&indx->run_lock){.+.+}-{3:3}: [ 35.287786][ T5947] down_read+0x50/0x6c [ 35.288798][ T5947] ni_fiemap+0x2c4/0xe10 [ 35.289857][ T5947] ntfs_fiemap+0x110/0x168 [ 35.291020][ T5947] do_vfs_ioctl+0x194c/0x26f8 [ 35.292229][ T5947] __arm64_sys_ioctl+0xe4/0x1c8 [ 35.293383][ T5947] invoke_syscall+0x98/0x2c0 [ 35.294536][ T5947] el0_svc_common+0x138/0x258 [ 35.295639][ T5947] do_el0_svc+0x64/0x198 [ 35.296754][ T5947] el0_svc+0x4c/0x15c [ 35.297730][ T5947] el0t_64_sync_handler+0x84/0xf0 [ 35.298921][ T5947] el0t_64_sync+0x190/0x194 [ 35.300055][ T5947] [ 35.300055][ T5947] -> #0 (&ni->ni_lock/4){+.+.}-{3:3}: [ 35.301755][ T5947] __lock_acquire+0x3338/0x764c [ 35.302924][ T5947] lock_acquire+0x238/0x718 [ 35.304006][ T5947] __mutex_lock_common+0x190/0x21a0 executing program [ 35.305231][ T5947] mutex_lock_nested+0x2c/0x38 [ 35.306418][ T5947] attr_data_get_block+0x34c/0x2290 executing program [ 35.307674][ T5947] ntfs_file_mmap+0x3b0/0x644 [ 35.308829][ T5947] mmap_region+0xce4/0x1ac8 [ 35.309993][ T5947] do_mmap+0xa00/0x1108 [ 35.311010][ T5947] vm_mmap_pgoff+0x1a4/0x2b4 [ 35.312100][ T5947] ksys_mmap_pgoff+0x3c8/0x5b0 [ 35.313254][ T5947] __arm64_sys_mmap+0xf8/0x110 [ 35.314448][ T5947] invoke_syscall+0x98/0x2c0 [ 35.315559][ T5947] el0_svc_common+0x138/0x258 [ 35.316711][ T5947] do_el0_svc+0x64/0x198 [ 35.317759][ T5947] el0_svc+0x4c/0x15c [ 35.318721][ T5947] el0t_64_sync_handler+0x84/0xf0 [ 35.320013][ T5947] el0t_64_sync+0x190/0x194 [ 35.321084][ T5947] [ 35.321084][ T5947] other info that might help us debug this: [ 35.321084][ T5947] [ 35.323360][ T5947] Chain exists of: [ 35.323360][ T5947] &ni->ni_lock/4 --> &indx->run_lock --> &mm->mmap_lock [ 35.323360][ T5947] [ 35.326257][ T5947] Possible unsafe locking scenario: [ 35.326257][ T5947] [ 35.327917][ T5947] CPU0 CPU1 [ 35.329130][ T5947] ---- ---- [ 35.330240][ T5947] lock(&mm->mmap_lock); [ 35.331213][ T5947] lock(&indx->run_lock); [ 35.332748][ T5947] lock(&mm->mmap_lock); [ 35.334236][ T5947] lock(&ni->ni_lock/4); [ 35.335261][ T5947] [ 35.335261][ T5947] *** DEADLOCK *** [ 35.335261][ T5947] [ 35.337113][ T5947] 1 lock held by syz-executor387/5947: [ 35.338394][ T5947] #0: ffff0000d12af5c8 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x2b4 [ 35.340498][ T5947] [ 35.340498][ T5947] stack backtrace: [ 35.341743][ T5947] CPU: 1 PID: 5947 Comm: syz-executor387 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 35.343957][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 35.346147][ T5947] Call trace: [ 35.346830][ T5947] dump_backtrace+0x1b8/0x1e4 [ 35.347864][ T5947] show_stack+0x2c/0x44 [ 35.348806][ T5947] dump_stack_lvl+0xd0/0x124 [ 35.349831][ T5947] dump_stack+0x1c/0x28 [ 35.350780][ T5947] print_circular_bug+0x150/0x1b8 [ 35.351934][ T5947] check_noncircular+0x2cc/0x378 [ 35.353034][ T5947] __lock_acquire+0x3338/0x764c [ 35.354118][ T5947] lock_acquire+0x238/0x718 [ 35.355148][ T5947] __mutex_lock_common+0x190/0x21a0 [ 35.356339][ T5947] mutex_lock_nested+0x2c/0x38 [ 35.357378][ T5947] attr_data_get_block+0x34c/0x2290 [ 35.358608][ T5947] ntfs_file_mmap+0x3b0/0x644 [ 35.359626][ T5947] mmap_region+0xce4/0x1ac8 [ 35.360625][ T5947] do_mmap+0xa00/0x1108 [ 35.361626][ T5947] vm_mmap_pgoff+0x1a4/0x2b4 [ 35.362697][ T5947] ksys_mmap_pgoff+0x3c8/0x5b0 [ 35.363775][ T5947] __arm64_sys_mmap+0xf8/0x110 [ 35.364840][ T5947] invoke_syscall+0x98/0x2c0 [ 35.365843][ T5947] el0_svc_common+0x138/0x258 [ 35.366924][ T5947] do_el0_svc+0x64/0x198 [ 35.367854][ T5947] el0_svc+0x4c/0x15c [ 35.368804][ T5947] el0t_64_sync_handler+0x84/0xf0 [ 35.369925][ T5947] el0t_64_sync+0x190/0x194 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program