Extracting prog: 2m34.06407692s Minimizing prog: 28m0.137249327s Simplifying prog options: 0s Extracting C: 33.493337721s Simplifying C: 14m3.237953853s 1 programs, 3 VMs, timeouts [15s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getegid-syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat detailed listing: executing program 0: getegid() syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x2008a1f, &(0x7f0000000300), 0x1, 0x4c6, &(0x7f0000000a00)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x2008002, &(0x7f0000000040), 0x1, 0x54d, &(0x7f0000000fc0)="$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") syz_mount_image$vfat(&(0x7f00000000c0), &(0x7f0000000540)='./mnt\x00', 0x40, 0x0, 0xfd, 0x0, &(0x7f0000000300)) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getegid-syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat detailed listing: executing program 0: getegid() syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x2008a1f, &(0x7f0000000300), 0x1, 0x4c6, &(0x7f0000000a00)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x2008002, &(0x7f0000000040), 0x1, 0x54d, &(0x7f0000000fc0)="$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") syz_mount_image$vfat(&(0x7f00000000c0), &(0x7f0000000540)='./mnt\x00', 0x40, 0x0, 0xfd, 0x0, &(0x7f0000000300)) program crashed: possible deadlock in dquot_commit single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getegid-syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: getegid() syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x2008a1f, &(0x7f0000000300), 0x1, 0x4c6, &(0x7f0000000a00)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x2008002, &(0x7f0000000040), 0x1, 0x54d, &(0x7f0000000fc0)="$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") program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getegid-syz_mount_image$ext4-syz_mount_image$vfat detailed listing: executing program 0: getegid() syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x2008a1f, &(0x7f0000000300), 0x1, 0x4c6, &(0x7f0000000a00)="$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") syz_mount_image$vfat(&(0x7f00000000c0), &(0x7f0000000540)='./mnt\x00', 0x40, 0x0, 0xfd, 0x0, &(0x7f0000000300)) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getegid-syz_mount_image$ext4-syz_mount_image$vfat detailed listing: executing program 0: getegid() syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x2008002, &(0x7f0000000040), 0x1, 0x54d, &(0x7f0000000fc0)="$eJzs3c9vHFcdAPDvjn8mTeMEeoAKSIBCQFHW9qaNql7aXECoqoSoOCAOqbE3lvGu13jXpTaWcP8GkEDiRP8EDkgckHriwI0jEgeEVA5IASxQjATSopkdO1t7TbbZ9S7Z/Xyk8fx4M/N9L87se/NmPS+AsXU9IvYjYjoi3oqIuXx7IZ/itdaU7vfwYG/58GBvuRDN5pt/K2Tp6bZoOyb1TH7O2Yj4xlcjvlM4Hbe+s7u+VKmUt/L1+UZ1c76+s3trrbq0Wl4tb5RKdxbvLLx8+6VS38p6rfqLB19Ze/2bv/7Vpz/43f6Xf5Bm61Ke1l6OfmoVfeo4TmoyIl4/j2BDMJHPp4ecD55MEhEfi4jPZdf/XExk/zsBgFHWbM5Fc659HQAYdUnWB1ZIihGRJHkjoNjqw3suLiaVWr1x835te2Ol1Vd2JaaS+2uV8sLVmT98L9t5qpCuL2ZpWXq2XjqxfjsirkbEj2cuZOvF5VplZThNHgAYe8+01/8R8c+ZJCkWuzq0w1M9AOCpMTvsDAAAA6f+B4Dxo/4HgPHTRf2fP+zfP/e8AACD4f4fAMbPmfX/e5cHmxEAYGDc/wPAWPn6G2+kU/Mwf//1yts72+u1t2+tlOvrxer2cnG5trVZXK3VVrN39lQfd75Krba5+GJsvzPfKNcb8/Wd3XvV2vZG4172Xu975amBlAoA+F+uXnv/94WI2H/lQjZF21gO6moYbcmwMwAMzUQvB2sgwFPNaF8wvrqqwrNGwm/PPS/AcHR8mfdsx8UP++lHCOJ7RvB/5cYnu+//N8YzjJaP1P/vYQGMlCfr/3+17/kABk//P4yvZrNwcsz/6eMkAGAk9fAVvuYP+9UIAYbqcYN59+X5PwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIyYSxHx3SgkxWx47yT9mRSLEc9GxJWYmoy1SnkhIi7HtYiYmrm/VikvDjvTAECPkr8U8vG/bsy9cOlk6nThXzPZPCK+/7M3f/LOUqOxtZhu//vx9pmj4cNKj47rYVxBAKDPsvq7lM/bbuQfHuwtH02DzM+Du/GffCji5cODvWxqpUxGujFiNmtLXPxHISbzY2Yj4vmImOhD/P13I+ITncpfyPpGruQjn7bHjzz2swONn3wofpKlteZp4+vjfcgLjJv370bEa52uvySuZ/PO1/9s9gnVuwd3Wyc7+uw7bIs/mUea6BA/veavdxvjxd987dTG5lwr7d2I5yc7xS8cxy+cEf+FLuP/8VOf+dGrrcULp7Lx84gb0Tl+e6z5RnVzvr6ze2uturRaXi1vlEp3Fu8svHz7pdL8/bVKeaH1s2P8v75y8/JZeUvLf/GM+LMdyz99fOwXuiz/e/9+69uffbQ6czL+lz7f+ff/XMf4LWmd+MUu4y9d/OWZw3en8VfOKP/jfv83u4z/wZ93V7rcFQAYgPrO7vpSpVLe6mkhvQvtx3lOLaRZ7G7no+Zib0H/FOdRiidcmDqvf9VzX5g8biv298zfSs844OIkfS9FTwsPBxVreJ9JwGA8uuiHnRMAAAAAAAAAAAAAAOAsg/jTpWGXEQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgNH13wAAAP//747NQA==") syz_mount_image$vfat(&(0x7f00000000c0), &(0x7f0000000540)='./mnt\x00', 0x40, 0x0, 0xfd, 0x0, &(0x7f0000000300)) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x2008a1f, &(0x7f0000000300), 0x1, 0x4c6, &(0x7f0000000a00)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x2008002, &(0x7f0000000040), 0x1, 0x54d, &(0x7f0000000fc0)="$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") syz_mount_image$vfat(&(0x7f00000000c0), &(0x7f0000000540)='./mnt\x00', 0x40, 0x0, 0xfd, 0x0, &(0x7f0000000300)) program crashed: possible deadlock in dquot_commit extracting C reproducer testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit simplifying C reproducer testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$vfat program crashed: possible deadlock in dquot_commit reproducing took 45m10.932638802s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. ====================================================== WARNING: possible circular locking dependency detected 5.15.160-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor235/4137 is trying to acquire lock: ffff0000df21f5a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 fs/quota/dquot.c:507 but task is already holding lock: ffff0000df1f8c70 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x828/0x19ac fs/ext4/inode.c:638 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->i_data_sem/2){++++}-{3:3}: down_read+0xc0/0x398 kernel/locking/rwsem.c:1498 ext4_map_blocks+0x2b4/0x19ac fs/ext4/inode.c:568 ext4_getblk+0x160/0x688 fs/ext4/inode.c:846 ext4_bread+0x3c/0x1d4 fs/ext4/inode.c:899 ext4_quota_write+0x238/0x564 fs/ext4/super.c:6566 write_blk fs/quota/quota_tree.c:64 [inline] get_free_dqblk+0x2dc/0x6a0 fs/quota/quota_tree.c:125 do_insert_tree+0x238/0x14cc fs/quota/quota_tree.c:335 do_insert_tree+0x4b8/0x14cc fs/quota/quota_tree.c:366 do_insert_tree+0x4b8/0x14cc fs/quota/quota_tree.c:366 do_insert_tree+0x4b8/0x14cc fs/quota/quota_tree.c:366 dq_insert_tree fs/quota/quota_tree.c:392 [inline] qtree_write_dquot+0x318/0x488 fs/quota/quota_tree.c:411 v2_write_dquot+0xf4/0x188 fs/quota/quota_v2.c:358 dquot_acquire+0x2cc/0x5e4 fs/quota/dquot.c:472 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6192 dqget+0x664/0xcd4 fs/quota/dquot.c:986 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1516 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1578 ext4_mkdir+0x15c/0xa74 fs/ext4/namei.c:3010 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 -> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0xc0/0x398 kernel/locking/rwsem.c:1498 v2_read_dquot+0x50/0x11c fs/quota/quota_v2.c:332 dquot_acquire+0x130/0x5e4 fs/quota/dquot.c:463 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6192 dqget+0x664/0xcd4 fs/quota/dquot.c:986 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1516 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1578 ext4_process_orphan+0x5c/0x2b8 fs/ext4/orphan.c:329 ext4_orphan_cleanup+0x8bc/0x1048 fs/ext4/orphan.c:474 ext4_fill_super+0x8044/0x8768 fs/ext4/super.c:4974 mount_bdev+0x274/0x370 fs/super.c:1387 ext4_mount+0x44/0x58 fs/ext4/super.c:6602 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1517 do_new_mount+0x278/0x8fc fs/namespace.c:3005 path_mount+0x594/0x101c fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount fs/namespace.c:3533 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 -> #0 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x32d4/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6172 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6232 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb54/0xf7c fs/quota/dquot.c:1751 dquot_alloc_space_nodirty include/linux/quotaops.h:297 [inline] dquot_alloc_space include/linux/quotaops.h:310 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0xf34/0x4318 fs/ext4/mballoc.c:5678 ext4_ext_map_blocks+0x1500/0x64c4 fs/ext4/extents.c:4316 ext4_map_blocks+0x8c4/0x19ac fs/ext4/inode.c:645 ext4_getblk+0x160/0x688 fs/ext4/inode.c:846 ext4_bread+0x3c/0x1d4 fs/ext4/inode.c:899 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x294/0x8f4 fs/ext4/namei.c:2981 ext4_mkdir+0x3d4/0xa74 fs/ext4/namei.c:3027 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 other info that might help us debug this: Chain exists of: &dquot->dq_lock --> &s->s_dquot.dqio_sem --> &ei->i_data_sem/2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/2); lock(&s->s_dquot.dqio_sem); lock(&ei->i_data_sem/2); lock(&dquot->dq_lock); *** DEADLOCK *** 4 locks held by syz-executor235/4137: #0: ffff0000d5bde460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000df1ff198 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline] #1: ffff0000df1ff198 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x204/0x468 fs/namei.c:3835 #2: ffff0000df1f8c70 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x828/0x19ac fs/ext4/inode.c:638 #3: ffff800014c389f8 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:311 stack backtrace: CPU: 0 PID: 4137 Comm: syz-executor235 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2011 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x32d4/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6172 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6232 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb54/0xf7c fs/quota/dquot.c:1751 dquot_alloc_space_nodirty include/linux/quotaops.h:297 [inline] dquot_alloc_space include/linux/quotaops.h:310 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0xf34/0x4318 fs/ext4/mballoc.c:5678 ext4_ext_map_blocks+0x1500/0x64c4 fs/ext4/extents.c:4316 ext4_map_blocks+0x8c4/0x19ac fs/ext4/inode.c:645 ext4_getblk+0x160/0x688 fs/ext4/inode.c:846 ext4_bread+0x3c/0x1d4 fs/ext4/inode.c:899 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x294/0x8f4 fs/ext4/namei.c:2981 ext4_mkdir+0x3d4/0xa74 fs/ext4/namei.c:3027 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 EXT4-fs error (device loop0): ext4_do_update_inode:5160: inode #2: comm syz-executor235: corrupted inode contents EXT4-fs error (device loop0): ext4_dirty_inode:5993: inode #2: comm syz-executor235: mark_inode_dirty error EXT4-fs error (device loop0): ext4_do_update_inode:5160: inode #2: comm syz-executor235: corrupted inode contents EXT4-fs error (device loop0): __ext4_ext_dirty:183: inode #2: comm syz-executor235: mark_inode_dirty error final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. ====================================================== WARNING: possible circular locking dependency detected 5.15.160-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor235/4137 is trying to acquire lock: ffff0000df21f5a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 fs/quota/dquot.c:507 but task is already holding lock: ffff0000df1f8c70 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x828/0x19ac fs/ext4/inode.c:638 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->i_data_sem/2){++++}-{3:3}: down_read+0xc0/0x398 kernel/locking/rwsem.c:1498 ext4_map_blocks+0x2b4/0x19ac fs/ext4/inode.c:568 ext4_getblk+0x160/0x688 fs/ext4/inode.c:846 ext4_bread+0x3c/0x1d4 fs/ext4/inode.c:899 ext4_quota_write+0x238/0x564 fs/ext4/super.c:6566 write_blk fs/quota/quota_tree.c:64 [inline] get_free_dqblk+0x2dc/0x6a0 fs/quota/quota_tree.c:125 do_insert_tree+0x238/0x14cc fs/quota/quota_tree.c:335 do_insert_tree+0x4b8/0x14cc fs/quota/quota_tree.c:366 do_insert_tree+0x4b8/0x14cc fs/quota/quota_tree.c:366 do_insert_tree+0x4b8/0x14cc fs/quota/quota_tree.c:366 dq_insert_tree fs/quota/quota_tree.c:392 [inline] qtree_write_dquot+0x318/0x488 fs/quota/quota_tree.c:411 v2_write_dquot+0xf4/0x188 fs/quota/quota_v2.c:358 dquot_acquire+0x2cc/0x5e4 fs/quota/dquot.c:472 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6192 dqget+0x664/0xcd4 fs/quota/dquot.c:986 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1516 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1578 ext4_mkdir+0x15c/0xa74 fs/ext4/namei.c:3010 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 -> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0xc0/0x398 kernel/locking/rwsem.c:1498 v2_read_dquot+0x50/0x11c fs/quota/quota_v2.c:332 dquot_acquire+0x130/0x5e4 fs/quota/dquot.c:463 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6192 dqget+0x664/0xcd4 fs/quota/dquot.c:986 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1516 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1578 ext4_process_orphan+0x5c/0x2b8 fs/ext4/orphan.c:329 ext4_orphan_cleanup+0x8bc/0x1048 fs/ext4/orphan.c:474 ext4_fill_super+0x8044/0x8768 fs/ext4/super.c:4974 mount_bdev+0x274/0x370 fs/super.c:1387 ext4_mount+0x44/0x58 fs/ext4/super.c:6602 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1517 do_new_mount+0x278/0x8fc fs/namespace.c:3005 path_mount+0x594/0x101c fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount fs/namespace.c:3533 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 -> #0 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x32d4/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6172 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6232 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb54/0xf7c fs/quota/dquot.c:1751 dquot_alloc_space_nodirty include/linux/quotaops.h:297 [inline] dquot_alloc_space include/linux/quotaops.h:310 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0xf34/0x4318 fs/ext4/mballoc.c:5678 ext4_ext_map_blocks+0x1500/0x64c4 fs/ext4/extents.c:4316 ext4_map_blocks+0x8c4/0x19ac fs/ext4/inode.c:645 ext4_getblk+0x160/0x688 fs/ext4/inode.c:846 ext4_bread+0x3c/0x1d4 fs/ext4/inode.c:899 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x294/0x8f4 fs/ext4/namei.c:2981 ext4_mkdir+0x3d4/0xa74 fs/ext4/namei.c:3027 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 other info that might help us debug this: Chain exists of: &dquot->dq_lock --> &s->s_dquot.dqio_sem --> &ei->i_data_sem/2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/2); lock(&s->s_dquot.dqio_sem); lock(&ei->i_data_sem/2); lock(&dquot->dq_lock); *** DEADLOCK *** 4 locks held by syz-executor235/4137: #0: ffff0000d5bde460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000df1ff198 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline] #1: ffff0000df1ff198 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x204/0x468 fs/namei.c:3835 #2: ffff0000df1f8c70 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x828/0x19ac fs/ext4/inode.c:638 #3: ffff800014c389f8 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:311 stack backtrace: CPU: 0 PID: 4137 Comm: syz-executor235 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2011 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x32d4/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6172 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6232 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb54/0xf7c fs/quota/dquot.c:1751 dquot_alloc_space_nodirty include/linux/quotaops.h:297 [inline] dquot_alloc_space include/linux/quotaops.h:310 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0xf34/0x4318 fs/ext4/mballoc.c:5678 ext4_ext_map_blocks+0x1500/0x64c4 fs/ext4/extents.c:4316 ext4_map_blocks+0x8c4/0x19ac fs/ext4/inode.c:645 ext4_getblk+0x160/0x688 fs/ext4/inode.c:846 ext4_bread+0x3c/0x1d4 fs/ext4/inode.c:899 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x294/0x8f4 fs/ext4/namei.c:2981 ext4_mkdir+0x3d4/0xa74 fs/ext4/namei.c:3027 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 EXT4-fs error (device loop0): ext4_do_update_inode:5160: inode #2: comm syz-executor235: corrupted inode contents EXT4-fs error (device loop0): ext4_dirty_inode:5993: inode #2: comm syz-executor235: mark_inode_dirty error EXT4-fs error (device loop0): ext4_do_update_inode:5160: inode #2: comm syz-executor235: corrupted inode contents EXT4-fs error (device loop0): __ext4_ext_dirty:183: inode #2: comm syz-executor235: mark_inode_dirty error