Warning: Permanently added '10.128.1.69' (ED25519) to the list of known hosts. executing program syzkaller login: [ 92.790087][ T5835] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 92.797920][ T5835] #PF: supervisor instruction fetch in kernel mode [ 92.804434][ T5835] #PF: error_code(0x0010) - not-present page [ 92.810412][ T5835] PGD 0 P4D 0 [ 92.813802][ T5835] Oops: Oops: 0010 [#1] SMP KASAN PTI [ 92.819190][ T5835] CPU: 0 UID: 0 PID: 5835 Comm: syz-executor168 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full) [ 92.831604][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 92.841665][ T5835] RIP: 0010:0x0 [ 92.845150][ T5835] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 92.852540][ T5835] RSP: 0018:ffffc9000401f9c8 EFLAGS: 00010293 [ 92.858608][ T5835] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81f116ee [ 92.866665][ T5835] RDX: ffff888029630000 RSI: ffffea0001a489c0 RDI: ffff88807d2ddc00 [ 92.874837][ T5835] RBP: ffffea0001a489c0 R08: 0000000000000007 R09: 0000000000000000 [ 92.882829][ T5835] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000803f3a [ 92.890803][ T5835] R13: ffff88807d2ddc00 R14: 0000000000000000 R15: dffffc0000000000 [ 92.898795][ T5835] FS: 0000555585943380(0000) GS:ffff8881249bf000(0000) knlGS:0000000000000000 [ 92.907746][ T5835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.914335][ T5835] CR2: ffffffffffffffd6 CR3: 0000000034100000 CR4: 00000000003526f0 [ 92.922313][ T5835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.930284][ T5835] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.938255][ T5835] Call Trace: [ 92.941537][ T5835] <TASK> [ 92.944478][ T5835] filemap_read_folio+0xc5/0x2a0 [ 92.949445][ T5835] ? __pfx_filemap_read_folio+0x10/0x10 [ 92.955020][ T5835] ? __filemap_get_folio+0x333/0xc10 [ 92.960321][ T5835] ? down_read+0x13d/0x480 [ 92.964754][ T5835] do_read_cache_folio+0x263/0x5c0 [ 92.969884][ T5835] freader_get_folio+0x337/0x8e0 [ 92.974835][ T5835] freader_fetch+0xc2/0x5e0 [ 92.979349][ T5835] ? mt_find+0x3ef/0xa30 [ 92.983609][ T5835] __build_id_parse.isra.0+0xec/0x7a0 [ 92.988991][ T5835] ? __pfx___build_id_parse.isra.0+0x10/0x10 [ 92.994991][ T5835] ? __pfx_find_vma+0x10/0x10 [ 92.999701][ T5835] do_procmap_query+0xd96/0x1090 [ 93.004644][ T5835] ? do_vfs_ioctl+0x512/0x1990 [ 93.009424][ T5835] ? __pfx_do_procmap_query+0x10/0x10 [ 93.014827][ T5835] ? __x64_sys_openat+0x174/0x210 [ 93.019866][ T5835] ? __pfx___x64_sys_openat+0x10/0x10 [ 93.025342][ T5835] procfs_procmap_ioctl+0x7d/0xb0 [ 93.030370][ T5835] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 93.036101][ T5835] __x64_sys_ioctl+0x190/0x200 [ 93.040878][ T5835] do_syscall_64+0xcd/0x230 [ 93.045400][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.051299][ T5835] RIP: 0033:0x7fdac29c93a9 [ 93.055718][ T5835] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 93.075334][ T5835] RSP: 002b:00007fff4e782048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.083755][ T5835] RAX: ffffffffffffffda RBX: 00007fff4e782218 RCX: 00007fdac29c93a9 [ 93.091728][ T5835] RDX: 0000200000000080 RSI: 00000000c0686611 RDI: 0000000000000003 [ 93.099699][ T5835] RBP: 00007fdac2a3c610 R08: 0000000000008000 R09: 00007fff4e782218 [ 93.107672][ T5835] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000001 [ 93.115652][ T5835] R13: 00007fff4e782208 R14: 0000000000000001 R15: 0000000000000001 [ 93.123632][ T5835] </TASK> [ 93.126646][ T5835] Modules linked in: [ 93.130554][ T5835] CR2: 0000000000000000 [ 93.134706][ T5835] ---[ end trace 0000000000000000 ]--- [ 93.140155][ T5835] RIP: 0010:0x0 [ 93.143620][ T5835] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 93.150982][ T5835] RSP: 0018:ffffc9000401f9c8 EFLAGS: 00010293 [ 93.157052][ T5835] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81f116ee [ 93.165026][ T5835] RDX: ffff888029630000 RSI: ffffea0001a489c0 RDI: ffff88807d2ddc00 [ 93.173021][ T5835] RBP: ffffea0001a489c0 R08: 0000000000000007 R09: 0000000000000000 [ 93.180994][ T5835] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000803f3a [ 93.188964][ T5835] R13: ffff88807d2ddc00 R14: 0000000000000000 R15: dffffc0000000000 [ 93.196936][ T5835] FS: 0000555585943380(0000) GS:ffff8881249bf000(0000) knlGS:0000000000000000 [ 93.205872][ T5835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.212479][ T5835] CR2: ffffffffffffffd6 CR3: 0000000034100000 CR4: 00000000003526f0 [ 93.220453][ T5835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.228427][ T5835] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.236406][ T5835] Kernel panic - not syncing: Fatal exception [ 93.242875][ T5835] Kernel Offset: disabled [ 93.247207][ T5835] Rebooting in 86400 seconds..