Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.649598] ------------[ cut here ]------------ [ 46.650512] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.652831] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 46.654257] Modules linked in: [ 46.655131] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.657183] Tainted: [W]=WARN [ 46.657775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.659270] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.660181] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 46.663291] RSP: 0018:ffff8880172ffbc0 EFLAGS: 00010286 [ 46.664253] RAX: 0000000000000000 RBX: ffffed1002e5ff78 RCX: ffffffff813a4050 [ 46.665539] RDX: ffff888016ad3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.666827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5ff2f [ 46.668096] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.669358] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172ffdf8 [ 46.670635] FS: 00007f72778dd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.672077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.673104] CR2: 00007ffc22dc5ef7 CR3: 0000000007302000 CR4: 0000000000350ef0 [ 46.674362] Call Trace: [ 46.674877] [ 46.675285] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.676180] ? __create_object+0x59/0x80 [ 46.676953] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.677920] __vmalloc_noprof+0x59/0x60 [ 46.678637] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.679504] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.680431] bpf_prog_alloc+0x39/0x200 [ 46.681167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.682099] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.682999] do_seccomp+0x349/0x25e0 [ 46.683665] ? find_held_lock+0x2b/0x80 [ 46.684430] ? do_prlimit+0x310/0x610 [ 46.685178] ? __pfx_do_seccomp+0x10/0x10 [ 46.685965] ? do_raw_spin_unlock+0x53/0x220 [ 46.686811] ? _raw_spin_unlock+0x1e/0x40 [ 46.687539] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.688495] ? static_key_count+0x60/0x80 [ 46.689291] prctl_set_seccomp+0x4e/0x70 [ 46.690049] __do_sys_prctl+0xe6c/0x1d70 [ 46.690837] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.691644] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.692598] ? irqentry_exit+0xf3/0x650 [ 46.693356] do_syscall_64+0xbf/0x430 [ 46.694075] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.695043] RIP: 0033:0x7f7277dcf5cd [ 46.695738] 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 [ 46.698867] RSP: 002b:00007ffc22dc36e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.700218] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7277dcf5cd [ 46.701485] RDX: 0000555ee7b01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.702771] RBP: 00007ffc22dc3740 R08: 0000000000000000 R09: 00007ffc22dc2de0 [ 46.704038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555f0bdb52b0 [ 46.705312] R13: 00007ffc22dc3b70 R14: 0000555f0bdb7d20 R15: 0000555f0bdc98d0 [ 46.706619] [ 46.707084] irq event stamp: 1879 [ 46.707676] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80 [ 46.709194] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 46.710734] softirqs last enabled at (1856): [] handle_softirqs+0x50c/0x770 [ 46.712274] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 46.713816] ---[ end trace 0000000000000000 ]--- [ 49.443850] ------------[ cut here ]------------ [ 49.444781] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.447524] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.448990] Modules linked in: [ 49.449599] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.451573] Tainted: [W]=WARN [ 49.452173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.454369] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.455363] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 49.458570] RSP: 0018:ffff8880169afbc0 EFLAGS: 00010286 [ 49.459800] RAX: 0000000000000000 RBX: ffffed1002d35f78 RCX: ffffffff813a4050 [ 49.461366] RDX: ffff888016d49bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.462851] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d35f2f [ 49.464115] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.465415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169afdf8 [ 49.466738] FS: 00007f6b4a639900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.468201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.469280] CR2: 00007ffcc85d1ef7 CR3: 000000000ce82000 CR4: 0000000000350ef0 [ 49.470590] Call Trace: [ 49.471111] [ 49.471527] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.472455] ? __create_object+0x59/0x80 [ 49.473274] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.474253] __vmalloc_noprof+0x59/0x60 [ 49.475043] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.475929] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.476873] bpf_prog_alloc+0x39/0x200 [ 49.477578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.478529] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.479452] do_seccomp+0x349/0x25e0 [ 49.480186] ? find_held_lock+0x2b/0x80 [ 49.480959] ? do_prlimit+0x310/0x610 [ 49.481687] ? __pfx_do_seccomp+0x10/0x10 [ 49.482463] ? do_raw_spin_unlock+0x53/0x220 [ 49.483339] ? _raw_spin_unlock+0x1e/0x40 [ 49.484134] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.485114] ? static_key_count+0x60/0x80 [ 49.485918] prctl_set_seccomp+0x4e/0x70 [ 49.486671] __do_sys_prctl+0xe6c/0x1d70 [ 49.487470] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.488341] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.489330] ? irqentry_exit+0xf3/0x650 [ 49.490102] do_syscall_64+0xbf/0x430 [ 49.490861] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.491813] RIP: 0033:0x7f6b4ab2b5cd [ 49.492482] 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 [ 49.495720] RSP: 002b:00007ffcc85cf520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.497106] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b4ab2b5cd [ 49.498418] RDX: 000055d752586e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.499735] RBP: 00007ffcc85cf580 R08: 0000000000000000 R09: 00007ffcc85cec20 [ 49.501016] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d76b298b10 [ 49.502316] R13: 00007ffcc85cf9b0 R14: 000055d76b2992b0 R15: 000055d76b2ad6f0 [ 49.503641] [ 49.504129] irq event stamp: 1845 [ 49.504782] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 49.506320] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 49.507868] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 49.509428] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 49.510971] ---[ end trace 0000000000000000 ]--- [ 50.307779] ------------[ cut here ]------------ [ 50.308669] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.310888] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.312424] Modules linked in: [ 50.314357] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.318334] Tainted: [W]=WARN [ 50.318976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.320495] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.321427] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.324667] RSP: 0018:ffff888013eafbc0 EFLAGS: 00010286 [ 50.325677] RAX: 0000000000000000 RBX: ffffed10027d5f78 RCX: ffffffff813a4050 [ 50.327033] RDX: ffff88801ba40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.328341] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d5f2f [ 50.329653] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.330961] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013eafdf8 [ 50.332278] FS: 00007f0b39a5e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.333742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.334844] CR2: 00007ffd83947ef7 CR3: 000000000dea8000 CR4: 0000000000350ef0 [ 50.336177] Call Trace: [ 50.336652] [ 50.337121] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.338040] ? __create_object+0x59/0x80 [ 50.338852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.339839] __vmalloc_noprof+0x59/0x60 [ 50.340563] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.341467] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.342429] bpf_prog_alloc+0x39/0x200 [ 50.343183] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.344144] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.345075] do_seccomp+0x349/0x25e0 [ 50.345807] ? find_held_lock+0x2b/0x80 [ 50.346535] ? do_prlimit+0x310/0x610 [ 50.347310] ? __pfx_do_seccomp+0x10/0x10 [ 50.348122] ? do_raw_spin_unlock+0x53/0x220 [ 50.348972] ? _raw_spin_unlock+0x1e/0x40 [ 50.349788] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.350876] ? static_key_count+0x60/0x80 [ 50.351667] prctl_set_seccomp+0x4e/0x70 [ 50.352476] __do_sys_prctl+0xe6c/0x1d70 [ 50.353294] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.354189] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.355199] ? irqentry_exit+0xf3/0x650 [ 50.355973] do_syscall_64+0xbf/0x430 [ 50.356675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.357662] RIP: 0033:0x7f0b39f505cd [ 50.358386] 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 [ 50.361626] RSP: 002b:00007ffd83946670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.363040] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b39f505cd [ 50.364338] RDX: 0000557382669e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.365639] RBP: 00007ffd839466d0 R08: 0000000000000000 R09: 00007ffd83945d70 [ 50.366955] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573b47b32b0 [ 50.368278] R13: 00007ffd83946b00 R14: 00005573b47b5d20 R15: 00005573b47c78d0 [ 50.369607] [ 50.370073] irq event stamp: 2127 [ 50.370752] hardirqs last enabled at (2137): [] __up_console_sem+0x78/0x80 [ 50.372312] hardirqs last disabled at (2146): [] __up_console_sem+0x5d/0x80 [ 50.373855] softirqs last enabled at (2024): [] handle_softirqs+0x50c/0x770 [ 50.375444] softirqs last disabled at (2019): [] __irq_exit_rcu+0xc4/0x100 [ 50.377008] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13708' (ECDSA) to the list of known hosts. 2025/11/17 18:41:24 fuzzer started 2025/11/17 18:41:24 dialing manager at localhost:37895 2025/11/17 18:41:24 checking machine... 2025/11/17 18:41:24 checking revisions... [ 51.281099] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:41:24 testing simple program... [ 51.364215] cgroup: Unknown subsys name 'net' [ 51.431560] cgroup: Unknown subsys name 'cpuset' [ 51.445751] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:41:23 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81a25aa9 RCX=ffff888015fd6d94 RDX=1ffff11002bfadd3 RSI=ffffffff85e1ffe0 RDI=ffffffff81a25aa9 RBP=ffffffff81a25aa9 RSP=ffff888015fd6de8 R8 =0000000000000001 R9 =ffff888015fd6e80 R10=000000000003c9ed R11=00000000000231c7 R12=ffff888015fd6f08 R13=0000000000000000 R14=ffff88800f1f1bc0 R15=0000000000000000 RIP=ffffffff81439c17 RFL=00000286 [--S--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 00007f6b4a639900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6b4a5fe008 CR3=000000000d35b000 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=0000000000029923 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f529b734000 CR3=000000000d6c3000 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=2b6abcf487f8549e024a1a56fe32133e XMM02=ec2efd57dc4c00df00000000003013a0 XMM03=2b3f71c9e263c3620000000000301470 XMM04=d5593822c5677f0700000000000ae988 XMM05=07c8bb74b6c04a44000000000031ca90 XMM06=d74844bf967d85ba000000000031c918 XMM07=e042d86d42eb936e000000000030cb70 XMM08=2b3f71c9e263c3620000000000301470 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000