Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 54.043051] ------------[ cut here ]------------ [ 54.043984] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.046030] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 54.047513] Modules linked in: [ 54.048226] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 54.050223] Tainted: [W]=WARN [ 54.050787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.052258] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.053186] 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 [ 54.056367] RSP: 0018:ffff88801a747bc0 EFLAGS: 00010286 [ 54.057352] RAX: 0000000000000000 RBX: ffffed10034e8f78 RCX: ffffffff813a4050 [ 54.058644] RDX: ffff888015249bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.059951] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034e8f2f [ 54.061270] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.062577] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a747df8 [ 54.063870] FS: 00007f28badca900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 54.065353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.066413] CR2: 00007ffd0c035ef7 CR3: 000000000a7f6000 CR4: 0000000000350ef0 [ 54.067710] Call Trace: [ 54.068241] [ 54.068653] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.069561] ? __create_object+0x59/0x80 [ 54.070364] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.071343] __vmalloc_noprof+0x59/0x60 [ 54.072129] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.073029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.073968] bpf_prog_alloc+0x39/0x200 [ 54.074673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.075603] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.076534] do_seccomp+0x349/0x25e0 [ 54.077263] ? find_held_lock+0x2b/0x80 [ 54.078028] ? do_prlimit+0x310/0x610 [ 54.078733] ? __pfx_do_seccomp+0x10/0x10 [ 54.079522] ? do_raw_spin_unlock+0x53/0x220 [ 54.080386] ? _raw_spin_unlock+0x1e/0x40 [ 54.081191] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.082163] ? static_key_count+0x60/0x80 [ 54.082968] prctl_set_seccomp+0x4e/0x70 [ 54.083691] __do_sys_prctl+0xe6c/0x1d70 [ 54.084504] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.085361] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.086348] ? irqentry_exit+0xf3/0x650 [ 54.087130] do_syscall_64+0xbf/0x430 [ 54.087843] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.088813] RIP: 0033:0x7f28bb2bc5cd [ 54.089508] 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 [ 54.092714] RSP: 002b:00007ffd0c034380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.094081] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28bb2bc5cd [ 54.095374] RDX: 000056425027de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.096696] RBP: 00007ffd0c0343e0 R08: 0000000000000000 R09: 00007ffd0c033a80 [ 54.097992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564267125bf0 [ 54.099278] R13: 00007ffd0c034810 R14: 000056426712f380 R15: 000056426713a460 [ 54.100596] [ 54.101071] irq event stamp: 1725 [ 54.101674] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 54.103217] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 54.104757] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 54.106310] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 54.107837] ---[ end trace 0000000000000000 ]--- [ 57.027408] ------------[ cut here ]------------ [ 57.028616] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.030458] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/245 [ 57.031632] Modules linked in: [ 57.032222] CPU: 1 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 57.033931] Tainted: [W]=WARN [ 57.034371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.035550] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.036307] 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 [ 57.038984] RSP: 0018:ffff888016e0fbc0 EFLAGS: 00010286 [ 57.039745] RAX: 0000000000000000 RBX: ffffed1002dc1f78 RCX: ffffffff813a4050 [ 57.040786] RDX: ffff88801518b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.041820] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc1f2f [ 57.042873] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.043928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e0fdf8 [ 57.045173] FS: 00007fd9a4f28900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.046346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.047198] CR2: 00007ffd8fa3eef7 CR3: 000000000d347000 CR4: 0000000000350ef0 [ 57.048241] Call Trace: [ 57.048624] [ 57.048986] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.049677] ? __create_object+0x59/0x80 [ 57.050304] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.051088] __vmalloc_noprof+0x59/0x60 [ 57.051672] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.052383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.053144] bpf_prog_alloc+0x39/0x200 [ 57.053711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.054473] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.055201] do_seccomp+0x349/0x25e0 [ 57.055757] ? find_held_lock+0x2b/0x80 [ 57.056380] ? do_prlimit+0x310/0x610 [ 57.057004] ? __pfx_do_seccomp+0x10/0x10 [ 57.057610] ? do_raw_spin_unlock+0x53/0x220 [ 57.058274] ? _raw_spin_unlock+0x1e/0x40 [ 57.058876] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.059668] ? static_key_count+0x60/0x80 [ 57.060332] prctl_set_seccomp+0x4e/0x70 [ 57.060979] __do_sys_prctl+0xe6c/0x1d70 [ 57.061583] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.062269] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.063063] ? irqentry_exit+0xf3/0x650 [ 57.063661] do_syscall_64+0xbf/0x430 [ 57.064280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.065067] RIP: 0033:0x7fd9a541a5cd [ 57.065609] 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 [ 57.068201] RSP: 002b:00007ffd8fa3de60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.069301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9a541a5cd [ 57.070343] RDX: 000055e2b80b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.071380] RBP: 00007ffd8fa3dec0 R08: 0000000000000000 R09: 00007ffd8fa3d560 [ 57.072428] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2d3016ad0 [ 57.073435] R13: 00007ffd8fa3e2f0 R14: 000055e2d3017bc0 R15: 000055e2d3028780 [ 57.074464] [ 57.074797] irq event stamp: 1829 [ 57.075308] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 57.076543] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 57.078004] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 57.079543] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 57.081003] ---[ end trace 0000000000000000 ]--- [ 57.782559] ------------[ cut here ]------------ [ 57.783505] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.785579] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 57.787089] Modules linked in: [ 57.787711] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 57.789717] Tainted: [W]=WARN [ 57.790318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.791792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.792718] 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 [ 57.795938] RSP: 0018:ffff888016c97bc0 EFLAGS: 00010286 [ 57.796972] RAX: 0000000000000000 RBX: ffffed1002d92f78 RCX: ffffffff813a4050 [ 57.798269] RDX: ffff8880188a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.799559] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d92f2f [ 57.800865] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.802176] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c97df8 [ 57.803465] FS: 00007f9ef20f3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 57.804939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.805995] CR2: 00007f9ef25e5580 CR3: 000000000d22f000 CR4: 0000000000350ef0 [ 57.807291] Call Trace: [ 57.807759] [ 57.808230] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.809156] ? __create_object+0x59/0x80 [ 57.809953] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.810871] __vmalloc_noprof+0x59/0x60 [ 57.811634] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.812537] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.813479] bpf_prog_alloc+0x39/0x200 [ 57.814234] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.815163] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.816095] do_seccomp+0x349/0x25e0 [ 57.816774] ? __pfx_css_rstat_updated+0x10/0x10 [ 57.817694] ? __pfx_do_seccomp+0x10/0x10 [ 57.818486] ? find_held_lock+0x2b/0x80 [ 57.819247] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.820236] ? static_key_count+0x60/0x80 [ 57.821045] prctl_set_seccomp+0x4e/0x70 [ 57.821784] __do_sys_prctl+0xe6c/0x1d70 [ 57.822581] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.823458] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.824475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.825464] ? irqentry_exit+0xf3/0x650 [ 57.826252] do_syscall_64+0xbf/0x430 [ 57.827023] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.828025] RIP: 0033:0x7f9ef25e55cd [ 57.828703] 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 [ 57.831921] RSP: 002b:00007ffca85c40a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.833339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ef25e55cd [ 57.834651] RDX: 0000562f20c6fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.835965] RBP: 00007ffca85c4100 R08: 0000000000000000 R09: 00007ffca85c37a0 [ 57.837304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562f59c62bf0 [ 57.838634] R13: 00007ffca85c4530 R14: 0000562f59c6c380 R15: 0000562f59c77460 [ 57.840001] [ 57.840439] irq event stamp: 1759 [ 57.841101] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 57.842683] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 57.844223] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 57.845750] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 57.847252] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40556' (ECDSA) to the list of known hosts. 2025/11/18 08:29:33 fuzzer started 2025/11/18 08:29:33 dialing manager at localhost:34383 2025/11/18 08:29:33 checking machine... 2025/11/18 08:29:33 checking revisions... [ 58.699291] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:29:33 testing simple program... [ 58.785492] cgroup: Unknown subsys name 'net' [ 58.851338] cgroup: Unknown subsys name 'cpuset' [ 58.864551] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:29:32 Registers: info registers vcpu 0 RAX=0ccb5e95eee45900 RBX=ffff88801504f920 RCX=ffff88801504f4ec RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff88800e928a80 RBP=ffffffff85e1ffe0 RSP=ffff88801504f4e0 R8 =0000000000000001 R9 =ffff88801504f5d8 R10=000000000003c9ed R11=00000000000255fd R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff88800e928000 R15=0000000000000002 RIP=ffffffff81529012 RFL=00000206 [-----P-] 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 00007fd9a4f28900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd9a4f07020 CR3=000000000db52000 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=0000000000027083 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe68040b68 CR3=000000000e0ee000 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=29588eb54df14e801641c068eed78e0b XMM02=ec2efd57dc4c00df0000000000305a98 XMM03=2165dfb87fcee7210000000000305b68 XMM04=3f24341583c7153100000000000ae988 XMM05=e1bcd410fb3842e60000000000322818 XMM06=f7d3ceb425dabd3b0000000000322108 XMM07=e042d86d42eb936e0000000000312c98 XMM08=2165dfb87fcee7210000000000305b68 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000