Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.977193] ------------[ cut here ]------------ [ 38.978177] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.980327] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.981911] Modules linked in: [ 38.982529] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.984602] Tainted: [W]=WARN [ 38.985244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.986782] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.987751] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 38.991072] RSP: 0018:ffff888015547bc0 EFLAGS: 00010286 [ 38.992104] RAX: 0000000000000000 RBX: ffffed1002aa8f78 RCX: ffffffff813a4050 [ 38.993463] RDX: ffff8880160e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.994803] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aa8f2f [ 38.996129] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.997448] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015547df8 [ 38.998918] FS: 00007f748271e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.000415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.001519] CR2: 00007ffc94213ef7 CR3: 0000000009ef2000 CR4: 0000000000350ef0 [ 39.002850] Call Trace: [ 39.003336] [ 39.003791] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.004727] ? __create_object+0x59/0x80 [ 39.005496] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.006499] __vmalloc_noprof+0x59/0x60 [ 39.007269] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.008182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.009158] bpf_prog_alloc+0x39/0x200 [ 39.009941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.010914] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.011865] do_seccomp+0x349/0x25e0 [ 39.012566] ? find_held_lock+0x2b/0x80 [ 39.013373] ? do_prlimit+0x310/0x610 [ 39.014152] ? __pfx_do_seccomp+0x10/0x10 [ 39.014990] ? do_raw_spin_unlock+0x53/0x220 [ 39.015867] ? _raw_spin_unlock+0x1e/0x40 [ 39.016691] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.017705] ? static_key_count+0x60/0x80 [ 39.018488] prctl_set_seccomp+0x4e/0x70 [ 39.019294] __do_sys_prctl+0xe6c/0x1d70 [ 39.020105] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.021010] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.022024] ? irqentry_exit+0xf3/0x650 [ 39.022825] do_syscall_64+0xbf/0x430 [ 39.023554] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.024541] RIP: 0033:0x7f7482c105cd [ 39.025284] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.028577] RSP: 002b:00007ffc94212bd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.029774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7482c105cd [ 39.030526] RDX: 000055e33b697e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.031307] RBP: 00007ffc94212c30 R08: 0000000000000000 R09: 00007ffc942122d0 [ 39.032093] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e359d95ad0 [ 39.032891] R13: 00007ffc94213060 R14: 000055e359d96bc0 R15: 000055e359da7780 [ 39.033683] [ 39.033932] irq event stamp: 1737 [ 39.034285] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 39.035179] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 39.036070] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 39.036980] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 39.037871] ---[ end trace 0000000000000000 ]--- [ 41.903527] ------------[ cut here ]------------ [ 41.904455] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.906406] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.907808] Modules linked in: [ 41.908386] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.910551] Tainted: [W]=WARN [ 41.911199] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.912653] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.913507] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.916532] RSP: 0018:ffff888016ea7bc0 EFLAGS: 00010286 [ 41.917485] RAX: 0000000000000000 RBX: ffffed1002dd4f78 RCX: ffffffff813a4050 [ 41.918710] RDX: ffff888015a50000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.919936] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd4f2f [ 41.921183] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.922415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ea7df8 [ 41.923664] FS: 00007f0139a63900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.925059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.926073] CR2: 00007f0139f55580 CR3: 0000000020375000 CR4: 0000000000350ef0 [ 41.927304] Call Trace: [ 41.927790] [ 41.928220] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.929132] ? __create_object+0x59/0x80 [ 41.929926] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.930884] __vmalloc_noprof+0x59/0x60 [ 41.931584] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.932436] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.933379] bpf_prog_alloc+0x39/0x200 [ 41.934105] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.935019] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.935898] do_seccomp+0x349/0x25e0 [ 41.936555] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.937438] ? __pfx_do_seccomp+0x10/0x10 [ 41.938210] ? find_held_lock+0x2b/0x80 [ 41.938961] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.939907] ? static_key_count+0x60/0x80 [ 41.940701] prctl_set_seccomp+0x4e/0x70 [ 41.941569] __do_sys_prctl+0xe6c/0x1d70 [ 41.942379] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.943203] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.944157] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.945135] ? irqentry_exit+0xf3/0x650 [ 41.945882] do_syscall_64+0xbf/0x430 [ 41.946563] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.947493] RIP: 0033:0x7f0139f555cd [ 41.948177] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 41.951518] RSP: 002b:00007fffa93602b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.953058] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0139f555cd [ 41.954407] RDX: 000055e6199e1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.955658] RBP: 00007fffa9360310 R08: 0000000000000000 R09: 00007fffa935f9b0 [ 41.956898] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e620392ad0 [ 41.958154] R13: 00007fffa9360740 R14: 000055e620393bc0 R15: 000055e6203a4780 [ 41.959399] [ 41.959854] irq event stamp: 1805 [ 41.960431] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 41.961903] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 41.963349] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 41.964850] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 41.966298] ---[ end trace 0000000000000000 ]--- [ 42.844138] ------------[ cut here ]------------ [ 42.845117] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.847148] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 42.848585] Modules linked in: [ 42.849240] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.851216] Tainted: [W]=WARN [ 42.851810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.853272] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.854175] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.857325] RSP: 0018:ffff888017167bc0 EFLAGS: 00010286 [ 42.858305] RAX: 0000000000000000 RBX: ffffed1002e2cf78 RCX: ffffffff813a4050 [ 42.859571] RDX: ffff8880183a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.860875] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2cf2f [ 42.862158] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.863424] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017167df8 [ 42.864704] FS: 00007ff4f36fe900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.866166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.867225] CR2: 00007ffe67270ef7 CR3: 000000000c25b000 CR4: 0000000000350ef0 [ 42.868499] Call Trace: [ 42.869016] [ 42.869431] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.870320] ? __create_object+0x59/0x80 [ 42.871102] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.872057] __vmalloc_noprof+0x59/0x60 [ 42.872809] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.873700] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.874580] bpf_prog_alloc+0x39/0x200 [ 42.875320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.876247] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.877150] do_seccomp+0x349/0x25e0 [ 42.877866] ? find_held_lock+0x2b/0x80 [ 42.878575] ? do_prlimit+0x310/0x610 [ 42.879317] ? __pfx_do_seccomp+0x10/0x10 [ 42.880094] ? do_raw_spin_unlock+0x53/0x220 [ 42.880934] ? _raw_spin_unlock+0x1e/0x40 [ 42.881705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.882605] ? static_key_count+0x60/0x80 [ 42.883404] prctl_set_seccomp+0x4e/0x70 [ 42.884170] __do_sys_prctl+0xe6c/0x1d70 [ 42.884957] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.885807] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.886766] ? irqentry_exit+0xf3/0x650 [ 42.887483] do_syscall_64+0xbf/0x430 [ 42.888226] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.889170] RIP: 0033:0x7ff4f3bf05cd [ 42.889880] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.893032] RSP: 002b:00007ffe6726fea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.894382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4f3bf05cd [ 42.895657] RDX: 000055ff914a4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.896937] RBP: 00007ffe6726ff00 R08: 0000000000000000 R09: 00007ffe6726f5a0 [ 42.898205] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ffcd53aad0 [ 42.899488] R13: 00007ffe67270330 R14: 000055ffcd53bbc0 R15: 000055ffcd54c780 [ 42.900872] [ 42.901298] irq event stamp: 1799 [ 42.901950] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 42.903461] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 42.904988] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 42.906231] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 42.907209] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63733' (ECDSA) to the list of known hosts. 2025/11/18 15:17:48 fuzzer started 2025/11/18 15:17:48 dialing manager at localhost:34383 2025/11/18 15:17:48 checking machine... 2025/11/18 15:17:48 checking revisions... [ 43.765050] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:17:48 testing simple program... [ 43.833957] cgroup: Unknown subsys name 'net' [ 43.912372] cgroup: Unknown subsys name 'cpuset' [ 43.925973] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:17:47 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88801616f878 R8 =0000000000000001 R9 =ffff88801616f9d0 R10=000000000003c9ed R11=000000000000453f R12=ffffffff8135e7a2 R13=ffff88801616f9d8 R14=ffff88801616fa28 R15=ffff88801616f990 RIP=ffffffff815bd130 RFL=00000216 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f0139a63900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0139a28008 CR3=000000000bc2a000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000050 RBX=ffff888009d58000 RCX=ffffffff8259f946 RDX=00000000000101f7 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=00000000000003e7 RSP=ffff888015aa7740 R8 =0000000000000001 R9 =0000000000006d2c R10=00000000000101f7 R11=0000000000000001 R12=00000000000101f7 R13=ffffed10013ab001 R14=ffffffff862e1aa0 R15=dffffc0000000000 RIP=ffffffff8259f958 RFL=00000093 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f794852c000 CR3=000000000d4e5000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2037343a37313a353120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037343a37313a3531203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000