Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.850708] ------------[ cut here ]------------ [ 38.851480] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.853162] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.854356] Modules linked in: [ 38.854844] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.856552] Tainted: [W]=WARN [ 38.857010] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.858225] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.858994] 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 [ 38.861618] RSP: 0018:ffff8880164e7bc0 EFLAGS: 00010286 [ 38.862427] RAX: 0000000000000000 RBX: ffffed1002c9cf78 RCX: ffffffff813a4050 [ 38.863494] RDX: ffff888009afd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.864556] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c9cf2f [ 38.865623] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.866675] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164e7df8 [ 38.867749] FS: 00007fbacefc7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.868950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.869834] CR2: 00007fff25908ef8 CR3: 000000000cc33000 CR4: 0000000000350ef0 [ 38.870907] Call Trace: [ 38.871330] [ 38.871671] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.872430] ? __create_object+0x59/0x80 [ 38.873045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.873851] __vmalloc_noprof+0x59/0x60 [ 38.874475] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.875177] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.875957] bpf_prog_alloc+0x39/0x200 [ 38.876566] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.877338] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.878047] do_seccomp+0x349/0x25e0 [ 38.878644] ? find_held_lock+0x2b/0x80 [ 38.879253] ? do_prlimit+0x310/0x610 [ 38.879875] ? __pfx_do_seccomp+0x10/0x10 [ 38.880528] ? do_raw_spin_unlock+0x53/0x220 [ 38.881188] ? _raw_spin_unlock+0x1e/0x40 [ 38.881847] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.882653] ? static_key_count+0x60/0x80 [ 38.883328] prctl_set_seccomp+0x4e/0x70 [ 38.883942] __do_sys_prctl+0xe6c/0x1d70 [ 38.884588] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.885259] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.886084] ? irqentry_exit+0xf3/0x650 [ 38.886724] do_syscall_64+0xbf/0x430 [ 38.887339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.888089] RIP: 0033:0x7fbacf4b95cd [ 38.888675] 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 [ 38.891341] RSP: 002b:00007fff25906840 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.892467] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbacf4b95cd [ 38.893536] RDX: 0000561e710e7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.894596] RBP: 00007fff259068a0 R08: 0000000000000000 R09: 00007fff25905f40 [ 38.895678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ea2cdb2b0 [ 38.896744] R13: 00007fff25906cd0 R14: 0000561ea2cddd20 R15: 0000561ea2cef8d0 [ 38.897837] [ 38.898189] irq event stamp: 1717 [ 38.898736] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 38.900019] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 38.901278] softirqs last enabled at (1244): [] handle_softirqs+0x50c/0x770 [ 38.902576] softirqs last disabled at (1231): [] __irq_exit_rcu+0xc4/0x100 [ 38.903842] ---[ end trace 0000000000000000 ]--- [ 41.736338] ------------[ cut here ]------------ [ 41.737196] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.739202] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.740633] Modules linked in: [ 41.741209] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.743171] Tainted: [W]=WARN [ 41.743748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.745193] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.746088] 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 [ 41.749918] RSP: 0018:ffff88801736fbc0 EFLAGS: 00010286 [ 41.750970] RAX: 0000000000000000 RBX: ffffed1002e6df78 RCX: ffffffff813a4050 [ 41.752221] RDX: ffff88800f8f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.753472] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e6df2f [ 41.754725] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.756097] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801736fdf8 [ 41.757581] FS: 00007f8588e56900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.759145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.760199] CR2: 00007f8589348580 CR3: 000000001e671000 CR4: 0000000000350ef0 [ 41.761466] Call Trace: [ 41.761922] [ 41.762370] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.763226] ? __create_object+0x59/0x80 [ 41.764022] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.764995] __vmalloc_noprof+0x59/0x60 [ 41.765762] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.766645] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.767602] bpf_prog_alloc+0x39/0x200 [ 41.768343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.769230] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.770138] do_seccomp+0x349/0x25e0 [ 41.770852] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.771774] ? __pfx_do_seccomp+0x10/0x10 [ 41.772566] ? find_held_lock+0x2b/0x80 [ 41.773347] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.774330] ? static_key_count+0x60/0x80 [ 41.775091] prctl_set_seccomp+0x4e/0x70 [ 41.775871] __do_sys_prctl+0xe6c/0x1d70 [ 41.776663] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.777520] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.778502] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.779518] ? irqentry_exit+0xf3/0x650 [ 41.780267] do_syscall_64+0xbf/0x430 [ 41.781028] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.781973] RIP: 0033:0x7f85893485cd [ 41.782702] 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 [ 41.785892] RSP: 002b:00007ffddca565b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.787313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85893485cd [ 41.788592] RDX: 000055a9e9936e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.789902] RBP: 00007ffddca56610 R08: 0000000000000000 R09: 00007ffddca55cb0 [ 41.791208] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa0ec4dad0 [ 41.792493] R13: 00007ffddca56a40 R14: 000055aa0ec4ebc0 R15: 000055aa0ec5f780 [ 41.793790] [ 41.794215] irq event stamp: 2741 [ 41.794869] hardirqs last enabled at (2751): [] __up_console_sem+0x78/0x80 [ 41.796436] hardirqs last disabled at (2760): [] __up_console_sem+0x5d/0x80 [ 41.797960] softirqs last enabled at (2604): [] handle_softirqs+0x50c/0x770 [ 41.799528] softirqs last disabled at (2597): [] __irq_exit_rcu+0xc4/0x100 [ 41.801037] ---[ end trace 0000000000000000 ]--- [ 42.515709] ------------[ cut here ]------------ [ 42.516651] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.519400] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.520856] Modules linked in: [ 42.521480] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.523732] Tainted: [W]=WARN [ 42.524396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.525880] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.526804] 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 [ 42.530007] RSP: 0018:ffff88801bc87bc0 EFLAGS: 00010286 [ 42.531003] RAX: 0000000000000000 RBX: ffffed1003790f78 RCX: ffffffff813a4050 [ 42.532304] RDX: ffff888015c11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.533603] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003790f2f [ 42.534893] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.536200] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bc87df8 [ 42.537757] FS: 00007f8349f0b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.539221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.540306] CR2: 00007ffc67193ef8 CR3: 000000000a211000 CR4: 0000000000350ef0 [ 42.541614] Call Trace: [ 42.542083] [ 42.542541] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.543469] ? __create_object+0x59/0x80 [ 42.544217] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.545200] __vmalloc_noprof+0x59/0x60 [ 42.545969] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.546854] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.547814] bpf_prog_alloc+0x39/0x200 [ 42.548561] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.549509] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.550426] do_seccomp+0x349/0x25e0 [ 42.551122] ? find_held_lock+0x2b/0x80 [ 42.551898] ? do_prlimit+0x310/0x610 [ 42.552654] ? __pfx_do_seccomp+0x10/0x10 [ 42.553453] ? do_raw_spin_unlock+0x53/0x220 [ 42.554257] ? _raw_spin_unlock+0x1e/0x40 [ 42.555068] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.556050] ? static_key_count+0x60/0x80 [ 42.556866] prctl_set_seccomp+0x4e/0x70 [ 42.557657] __do_sys_prctl+0xe6c/0x1d70 [ 42.558451] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.559335] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.560323] ? irqentry_exit+0xf3/0x650 [ 42.561060] do_syscall_64+0xbf/0x430 [ 42.561816] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.562785] RIP: 0033:0x7f834a3fd5cd [ 42.563516] 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 [ 42.566746] RSP: 002b:00007ffc67192ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.568147] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f834a3fd5cd [ 42.569452] RDX: 0000563a3bec0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.570751] RBP: 00007ffc67192c00 R08: 0000000000000000 R09: 00007ffc671922a0 [ 42.572063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a74b63ad0 [ 42.573373] R13: 00007ffc67193030 R14: 0000563a74b64bc0 R15: 0000563a74b75780 [ 42.574690] [ 42.575129] irq event stamp: 1809 [ 42.575784] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.577341] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 42.578884] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 42.580307] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 42.581595] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17888' (ECDSA) to the list of known hosts. 2025/11/18 05:17:19 fuzzer started 2025/11/18 05:17:19 dialing manager at localhost:37895 2025/11/18 05:17:19 checking machine... 2025/11/18 05:17:19 checking revisions... [ 43.464887] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:17:19 testing simple program... [ 43.564442] cgroup: Unknown subsys name 'net' [ 43.627752] cgroup: Unknown subsys name 'cpuset' [ 43.640621] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:17:18 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce08a50 RCX=0000000000000002 RDX=1ffff1100d9c114b RSI=ffff88806ce08a20 RDI=ffff88806ce08a58 RBP=ffff88806ce08ae8 RSP=ffff88806ce08990 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08a20 R15=ffff88806ce08a50 RIP=ffffffff8135fba2 RFL=00000246 [---Z-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 00007f8588e56900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8588e25008 CR3=000000000e1be000 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=ffffffff8161932e RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888016587901 RSI=ffff8880165879a8 RDI=ffff8880165879a8 RBP=ffff888016587960 RSP=ffff888016587848 R8 =ffffffff869f1f7a R9 =ffff888016587948 R10=000000000003c9ed R11=000000000000453f R12=ffff888016587968 R13=ffff888016587950 R14=ffff8880165879b0 R15=ffff888016587908 RIP=ffffffff8135efad RFL=00000202 [-------] 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 00007fc30bafc900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f249d232040 CR3=000000001c7ef000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000